SELIGMAN INCOME FUND INC
485BPOS, 1998-04-29
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                                                                File No. 2-10837
                                                                         811-525

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
- --------------------------------------------------------------------------------

                                    FORM N-1A
   
         REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933             [X]

           Pre-Effective Amendment No. __                                    [ ]

           Post-Effective Amendment No.  75                                  [X]

         REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940     [X]



           Amendment No.  21                                                 [X]
    
- --------------------------------------------------------------------------------
                           SELIGMAN INCOME FUND, INC.
               (Exact name of registrant as specified in charter)
- --------------------------------------------------------------------------------

                    100 PARK AVENUE, NEW YORK, NEW YORK 10017
                    (Address of principal executive offices)

     Registrant's Telephone Number: 212-850-1864 or Toll Free: 800-221-2450
- --------------------------------------------------------------------------------

      THOMAS G. ROSE, Treasurer, 100 Park Avenue, New York, New York 10017
                     (Name and address of agent for service)
- --------------------------------------------------------------------------------

It is proposed that this filing will become effective (check appropriate box):

   
[X] immediately upon filing pursuant to paragraph (b)
    

[ ] on   (date)    pursuant to paragraph (b)

[ ] 60 days after filing pursuant to paragraph (a)(1)

[ ] on (date) pursuant to paragraph (a)(1)

[ ] 75 days after filing pursuant to paragraph (a)(2)

[ ] on (date) pursuant to paragraph (a)(2) of rule 485.

If appropriate, check the following box:

[ ]  This  post-effective  amendment  designates  a  new  effective  date  for a
     previously filed post-effective amendment.

   
Registrant  has  registered  an  indefinite   amount  of  securities  under  the
Securities Act of 1933 pursuant to Rule  24f-2(a)(1) and a Rule 24f-2 Notice for
Registrant's  most recent fiscal year was filed with the Commission on March 27,
1998.
    

<PAGE>

                                                                File No. 2-10837
                                                                         811-525

   
                           SELIGMAN INCOME FUND, INC.
                         FORM N-1A CROSS REFERENCE SHEET
                         Post-Effective Amendment No. 75
                            Pursuant to Rule 481 (a)
    
<TABLE>
<CAPTION>


Item in Part A of Form N-1A                               Location in Prospectus
- ---------------------------                               ----------------------
<S>     <C>                                               <C>
 1.     Cover Page                                        Cover Page

 2.     Synopsis                                          Summary of Fund Expenses

 3.     Condensed Financial Information                   Financial Highlights

 4.     General Description of Registrant                 Cover Page; Organization and Capitalization

 5.     Management of the Fund                            Management Services

5a.     Manager's Discussion of Fund Performance          Management Services

 6.     Capital Stock and Other Securities                Organization and Capitalization

 7.     Purchase of Securities Being Offered              Alternative Distribution System; Purchase of Shares; Administration,
                                                          Shareholder Services and Distribution Plan

 8.     Redemption or Repurchase                          Telephone Transactions; Redemption of Shares; Exchange Privilege

 9.     Pending Legal Proceedings                         Not applicable

Item in Part B of Form N-1A                               Location in Statement of Additional Information
- ---------------------------                               -----------------------------------------------
10.     Cover Page                                        Cover Page

11.     Table of Contents                                 Table of Contents

12.     General Information and History                   General Information; Organization and Capitalization (Prospectus); 
                                                          Appendix

13.     Investment Objectives and Policies                Investment Objective, Policies And Risks; Investment Limitations

14.     Management of the Registrant                      Management and Expenses

15.     Control Persons and Principal                     Directors and Officers
        Holders of Securities

16.     Investment Advisory and Other Services            Management and Expenses; Distribution Services

17.     Brokerage Allocation                              Portfolio   Transactions; Administration, Shareholder Services and
                                                          Distribution Plan

18.     Capital Stock and Other Securities                General Information; Organization and Capitalization (Prospectus)

19.     Purchase, Redemption and Pricing                  Purchase And Redemption of Fund Shares;
        of Securities being Offered                       Valuation

20.     Tax Status                                        Federal Income Taxes (Prospectus)

21.     Underwriters                                      Distribution Services

22.     Calculation of Performance Data                   Performance

23.     Financial Statements                              Financial Statements
</TABLE>





                                                                        SELIGMAN
                                                                   -------------
                                                                          Income
                                                                      Fund, Inc.

                                   PROSPECTUS
   
                                   MAY 1, 1998
    
                                      -----
                                       An

                                   Income Fund

                                     In Its

   
                                    52nd Year
    

                                     [logo]

                             J. & W. SELIGMAN & CO.
                                  INCORPORATED
                                ESTABLISHED 1864



                                       
<PAGE>


Table of Contents

Summary of Fund Expenses   2

Financial Highlights   3

Alternative Distribution System   5

Investment Objectives, Policies and Risks   7

Management Services   10

Purchase of Shares   12

Telephone Transactions   18

Redemption of Shares   19

Administration, Shareholder Services
  and Distribution Plan   22

Exchange Privilege   23

Further Information about
  Transactions in the Fund   25
   
Dividends and Capital Gain Distributions   25
    
Federal Income Taxes   26

Shareholder Information   28

Advertising the Fund's Performance   30

Organization and Capitalization   30

TIMES CHANGE ... VALUES ENDURE




                                       
<PAGE>
   
                           SELIGMAN INCOME FUND, INC.
                      100 Park Avenue o New York, NY 10017
                     New York City Telephone: (212) 850-1864
                       Toll-Free Telephone: (800) 221-2450
      For Retirement Plan Information--Toll-Free Telephone: (800) 445-1777

                                                                     May 1, 1998
    
     Seligman  Income Fund,  Inc. (the "Fund") is a mutual fund which invests to
produce high current income  consistent with what is believed to be prudent risk
of capital and the  possibility  of improvement of income and capital value over
the longer term. Investment advisory and management services are provided to the
Fund  by J.  & W.  Seligman  & Co.  Incorporated  (the  "Manager").  The  Fund's
distributor is Seligman Financial  Services,  Inc., an affiliate of the Manager.
For a description of the Fund's  investment  objectives and policies,  including
the risk factors  associated  with an  investment in the Fund,  see  "Investment
Objectives,  Policies  and  Risks."  There can be no  assurance  that the Fund's
investment objectives will be achieved.
   
     The Fund offers three classes of shares. Class A shares are sold subject to
an initial sales load of up to 4.75% and an annual service fee currently charged
at a rate of up to .25% of the  average  daily  net  asset  value of the Class A
shares.  Class A shares  purchased in an amount of  $1,000,000  or more are sold
without an initial  sales load but are subject to a  contingent  deferred  sales
load ("CDSL") of 1% on redemptions  within eighteen months of purchase.  Class B
shares are sold without an initial sales load but are subject to a CDSL of 5% on
redemptions in the first year after purchase of such shares,  declining to 1% in
the sixth  year and 0%  thereafter,  an annual  distribution  fee of .75% and an
annual  service  fee of up to .25% of the  average  daily net asset value of the
Class B shares.  Class B shares will automatically  convert to Class A shares on
the last day of the month that precedes the eighth  anniversary of their date of
purchase.  Class D shares are sold without an initial sales load but are subject
to a CDSL of 1% imposed on  redemptions  within one year of purchase,  an annual
distribution  fee of up to .75% and an annual  service  fee of up to .25% of the
average  daily net asset  value of the Class D  shares.  Any CDSL  payable  upon
redemption  of Class B or Class D shares  will be  assessed on the lesser of the
current net asset value or the original  purchase price of the shares  redeemed.
No CDSL will be imposed on shares acquired through the reinvestment of dividends
or gain  distributions  received  from any  class of  shares.  See  "Alternative
Distribution System." Shares of the Fund may be purchased through any authorized
investment dealer.
    

     This Prospectus sets forth concisely the information a prospective investor
should know about the Fund before investing. Please read it carefully before you
invest and keep it for future reference.  Additional information about the Fund,
including  a  Statement  of  Additional  information,  has been  filed  with the
Securities and Exchange Commission.  The Statement of Additional  Information is
available  upon request and without charge by calling or writing the Fund at the
telephone  numbers or the address set forth above.  The  Statement of Additional
Information is dated the same date as this Prospectus and is incorporated herein
by reference in its entirety.

 SHARES IN THE FUND ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR 
ENDORSED BY, ANY BANK, AND SHARES ARE NOT FEDERALLY INSURED BY THE FEDERAL 
  DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY.

  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
  EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
   AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
       ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
                         CONTRARY IS A CRIMINAL OFFENSE.
                                ---------------


<PAGE>


                            SUMMARY OF FUND EXPENSES
<TABLE>
<CAPTION>
                                                                          CLASS A             CLASS B           CLASS D
                                                                        ----------          ----------        ----------
                                                                      (Initial Sales      (Deferred Sales   (Deferred Sales
                                                                     Load Alternative)   Load Alternative) Load Alternative)
<S>                                                                   <C>                 <C>               <C> 
SHAREHOLDER TRANSACTION EXPENSES
      Maximum Sales Load Imposed on Purchases (as a percentage of
         offering price)................................................   4.75%               None               None
      Sales Load on Reinvested Dividends................................    None               None               None
      Deferred Sales Load (as a percentage of original
        purchase price or redemption proceeds, whichever is lower)......   None;          5% in 1st year    1% in 1st year
                                                                        except 1% in      4% in 2nd year    None thereafter
                                                                       first 18 months     3% in 3rd and
                                                                      if initial sales       4th years
                                                                       load was waived    2% in 5th year
                                                                     in full due to size  1% in 6th year
                                                                         of purchase      None thereafter
      Redemption Fees...................................................    None               None               None
      Exchange Fees.....................................................    None               None               None
<CAPTION>

ANNUAL FUND OPERATING EXPENSES  FOR 1997                                  CLASS A             CLASS B           CLASS D
(as a percentage of average net assets)                                  ----------          ----------        ----------
<S>                                                                        <C>                 <C>              <C>   

      Management Fees...................................................    .60%                .60%               .60%
      12b-1 Fees........................................................    .24%               1.00%*             1.00%*
      Other Expenses....................................................    .30%                .30%               .30%
                                                                           -----                -----             -----
      Total Fund Operating Expenses.....................................   1.14%               1.90%              1.90%
                                                                           =====                =====             =====
</TABLE>
   
     The  purpose  of this table is to assist  investors  in  understanding  the
various costs and expenses which  shareholders  of the Fund may bear directly or
indirectly.  The sales load on Class A shares is a one-time  charge  paid at the
time of purchase of shares.  Reductions  in initial sales loads are available in
certain  circumstances.  Class A shares are not subject to an initial sales load
for purchases of $1,000,000 or more; however, such shares are subject to a CDSL,
a one-time  charge,  only if the shares are redeemed  within  eighteen months of
purchase. The CDSLs on Class B and Class D shares are one-time charges paid only
if shares are redeemed  within six years or one year of purchase,  respectively.
For  more  information  concerning  reductions  in  sales  loads  and for a more
complete  description  of the  various  costs and  expenses,  see  "Purchase  of
Shares,"  "Redemption of Shares" and "Management  Services"  herein.  The Fund's
Administration, Shareholder Services and Distribution Plan, to which the caption
"12b-1 Fees" relates, is discussed under  "Administration,  Shareholder Services
and Distribution Plan" herein.

<TABLE>
<CAPTION>
EXAMPLE                                                                         1 YEAR     3 YEARS     5 YEARS    10 YEARS
- -------                                                                         ------      ------     -------    --------
<S>                                                                            <C>        <C>         <C>        <C>     
An investor would pay the following  expenses on a $1,000  
   investment, assuming (1) 5% annual return and (2)
  redemption at the end of each time period.......................   Class A     $59         $82        $107        $180
                                                                     Class B+     69          90         123         202
                                                                     Class D      29          60         103         222
An investor would pay the following expenses  on the same
   investment, assuming no redemption............................    Class A     $59         $82        $107        $180
                                                                     Class B+     19          60         103         202
                                                                     Class D      19          60         103         222
    
</TABLE>
The  example  should  not be  considered  a  representation  of past  or  future
expenses.  Actual  expenses  may be greater or less than those  shown and the 5%
annual return used in this example is a hypothetical rate.
    
- ----------
  *Includes  an annual  distribution  fee of .75% and an annual  service  fee of
   .25%.  Pursuant  to the  Rules  of the  National  Association  of  Securities
   Dealers,  Inc., the aggregate  deferred  sales loads and annual  distribution
   fees on Class B and Class D shares of the Fund may not exceed  6.25% of total
   gross sales, subject to certain exclusions.  The maximum sales charge rule is
   applied separately to each class. The 6.25% limitation is imposed on the Fund
   rather than on a per  shareholder  basis.  Therefore,  a long-term Class B or
   Class D shareholder of the Fund may pay more in total sales loads  (including
   distribution   fees)  than  the   economic   equivalent   of  6.25%  of  such
   shareholder's investment in such shares.
  +The expenses shown for the ten-year  period reflect the conversion of Class B
   shares to Class A shares after 8 years.
    

                                       2


<PAGE>

                              FINANCIAL HIGHLIGHTS
   
     The Fund's financial highlights for the Fund's Class A, Class B and Class D
shares for the periods  presented  below have been  audited by Deloitte & Touche
LLP, independent auditors. This information, which is derived from the financial
and accounting  records of the Fund, should be read in conjunction with the 1997
financial statements and notes contained in the Fund's 1997 Annual Report, which
is incorporated by reference in the Fund's Statement of Additional  Information,
copies of which may be obtained free of charge by calling or writing the Fund at
the telephone numbers or address provided on the cover page of this Prospectus.
     "Per share  operating  performance"  data is designed to allow investors to
trace the operating  performance,  on a per share basis,  from the beginning net
asset  value to the  ending  net asset  value so that they can  understand  what
effect the  individual  items  have on their  investment,  assuming  it was held
throughout  the  period.  Generally,  the  per  share  amounts  are  derived  by
converting the actual dollar amounts incurred for each item, as disclosed in the
financial statements, to their equivalent per share amount.
     "Total  return  based on net asset  value"  measures a Class's  performance
assuming investors  purchased Fund shares at net asset value as of the beginning
of the period, invested dividends and capital gains paid at net asset value, and
then sold their  shares at the net asset  value per share on the last day of the
period.  Total return  computations do not reflect any sales loads investors may
incur in purchasing or selling shares of the Fund. The total returns for periods
of less than one year are not annualized.
     "Average  commission rate paid" represents the average  commissions paid by
the Fund to purchase or sell securities.  It is determined by dividing the total
commission  dollars paid by the number of shares  purchased  and sold during the
period for which commissions were paid.

<TABLE>
<CAPTION>

                                                                         CLASS A

                               --------------------------------------------------------------------------------------------------
                                                                 YEAR ENDED DECEMBER 31,
                               --------------------------------------------------------------------------------------------------
                                 1997o      1996o     1995o     1994o     1993      1992      1991      1990     1989      1988
                               ---------   -------   -------   -------   -------   -------   -------  -------   -------  --------
<S>                            <C>         <C>       <C>       <C>       <C>       <C>       <C>      <C>       <C>      <C>
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning
of year ...................... $   14.97   $ 14.63   $ 13.05   $ 14.58   $ 13.69   $ 12.45   $ 10.38  $ 12.44   $ 12.04  $  11.80
                               ---------   -------   -------   -------   -------   -------   -------  -------   -------  --------
Net investment income ........       .71       .74       .76       .76       .75       .92       .96     1.2       1.06      1.00
Net realized and unrealized
  investment gain (loss) .....      1.41       .38      1.89     (1.57)     1.40      1.21      2.08    (2.02)      .71       .23
Net realized and unrealized
 gain (loss) from foreign
 currency transactions .......      (.10)      .04      (.01)      .03        --        --        --       --        --        --
                                --------   -------   -------   -------   -------   -------   -------  -------   -------   -------
Increase (decrease) from
 investment operations .......      2.02      1.16      2.64      (.78)     2.15      2.13      3.04    (1.00)     1.77      1.23
Dividends paid ...............      (.74)     (.73)     (.78)     (.75)     (.75)     (.89)     (.97)   (1.06)    (1.03)     (.99)
Distributions from net gain
 realized ....................     (1.44)     (.09)     (.28)       --      (.51)       --        --       --      (.34)       --
                                --------   -------   -------   -------   -------   -------   -------  -------   -------   -------
Net increase (decrease) in net
 asset value .................      (.16)      .34      1.58     (1.53)      .89      1.24      2.07    (2.06)      .40       .24
                                --------   -------   -------   -------   -------   -------   -------  -------   -------   -------
Net asset value, end of year .  $  14.81   $ 14.97   $ 14.63   $ 13.05   $ 14.58   $ 13.69   $ 12.45  $ 10.38   $ 12.44   $ 12.04
                                ========   =======   =======   =======   =======   =======   =======  =======   =======   =======
TOTAL RETURN BASED ON
 NET ASSET VALUE: ............     14.06%     8.22%    20.60%    (5.43)%   15.98%    17.54%    30.12%  (8.30)%    15.11%    10.53%
RATIOS/SUPPLEMENTAL DATA:
Expenses to average net
 assets ......................      1.14%     1.14%     1.00%     1.02%     1.03%      .84%      .85%     .76%      .75%      .80%
Net investment income to 
average net assets ...........      4.66%     5.11%     5.38%     5.51%     5.29%     6.88%     8.24%    8.79%     8.35%     7.99%
Portfolio turnover ...........    138.90%   125.92%   111.78%    66.62%    60.62%    70.43%    66.77%   53.27%    83.33%    74.23%
Average commission rate paid .     $.0170    $.0361
Net assets, end of year 
(000s omitted) ...............   $270,688  $296,291  $318,307  $286,355  $321,040  $213,007  $153,511 $127,825  $159,155  $160,403
</TABLE>

- --------
    oPer share amounts  for the years  ended  December 31, 1997, 1996, 1995  and
     1994, are calculated  based on average shares outstanding.

     The data provided above reflects  historical  information and therefore has
not been  adjusted  to reflect  (i) through  April 10,  1991,  the effect of the
increased  management fee which was approved by  shareholders on April 10, 1991;
(ii) through  December 31, 1992, the effect of the  Administration,  Shareholder
Services and  Distribution  Plan which was approved by  shareholders on November
23, 1992 and became  effective  January 1, 1993; and (iii) through  December 31,
1995,  the effect of the increase in the management fee rate payable by the Fund
which was approved by shareholders on December 12, 1995 and became  effective on
January 1, 1996.
    

                                       3


<PAGE>


                        FINANCIAL HIGHLIGHTS (continued)
<TABLE>
<CAPTION>
   
                                                          CLASS B                               CLASS D
                                                    -----------------     -------------------------------------------------- 
                                                     YEAR     4/22/96*            YEAR ENDED DECEMBER 31,            5/3/93* 
                                                     ENDED      TO        ---------------------------------------       TO   
                                                   12/31/97o 12/31/96o     1997o      1996o      1995o    1994o      12/31/93
                                                   --------   --------    -------    -------    -------   -------    ------- 
<S>                                                 <C>       <C>         <C>        <C>        <C>       <C>        <C>     
PER SHARE OPERATING PERFORMANCE:

Net asset value, beginning of period .............. $ 14.95   $ 14.43     $ 14.95    $ 14.60    $ 13.01   $ 14.55    $ 14.42
                                                    -------   -------     -------    -------    -------   -------    -------
Net investment income .............................     .59       .43         .59        .63        .65       .65        .45
Net realized and unrealized
  investment gain (loss) ..........................    1.41       .59        1.40        .38       1.88     (1.57)       .69
Net realized and unrealized gain (loss)
  from foreign currency transactions ..............    (.10)      .05        (.10)       .04       (.01)      .03         --
                                                    -------   -------     -------    -------    -------   -------    -------
Increase (decrease) from investment operations ....    1.90      1.07        1.89       1.05       2.52      (.89)      1.14
Dividends paid ....................................    (.62)     (.46)       (.62)      (.61)      (.65)     (.65)      (.50)
Distributions from net gain realized ..............   (1.44)     (.09)      (1.44)      (.09)      (.28)       --       (.51)
                                                    -------   -------     -------    -------    -------   -------    -------
Net increase (decrease) in net asset value ........    (.16)      .52        (.17)       .35       1.59     (1.54)       .13
                                                    -------   -------     -------    -------    -------   ---------  -------
Net asset value, end of period .................... $ 14.79   $ 14.95     $ 14.78    $ 14.95    $ 14.60   $ 13.01    $ 14.55
                                                    =======   =======     =======    =======    =======   =======   ========
TOTAL RETURN BASED ON NET ASSET VALUE: ............   13.24%     7.58%      13.17%      7.43%     19.66%    (6.20)%     8.02%
RATIOS/SUPPLEMENTAL DATA:
Expenses to average net assets ....................    1.90%     1.89%+      1.90%      1.90%      1.79%      1.82%     1.84%+
Net investment income to average net assets .......    3.90%     4.36%+      3.90%      4.37%      4.58%      4.74%     4.42%+
Portfolio turnover ................................  138.90%   125.92%++   138.90%    125.92%    111.78%     66.62%    60.62%+++
Average commisson rate paid .......................   $.0170    $.0361++    $.0170     $.0361
Net assets, end of period (000s omitted) ..........   $8,607    $2,961     $76,194    $81,957    $86,701    $67,946   $49,941
</TABLE>

- -------
    * Commencement of offering of shares.
    o Per share amounts for the periods ended December 31, 1997, 1996, 1995, and
      1994, are calculated based on average shares outstanding.
    + Annualized.
   ++ For the year ended December 31, 1996.
  +++ For the year ended December 31, 1993.
    
     The data  provided  above  reflects  historical  information  and therefore
through  December 31, 1995,  has not been  adjusted to reflect the effect of the
increase in the management fee rate rate payable by the Fund, which was approved
by shareholders on December 12, 1995 and became effective on January 1, 1996.


                                       4


<PAGE>


ALTERNATIVE DISTRIBUTION SYSTEM

     The Fund  offers  three  classes  of  shares.  Class A  shares  are sold to
investors who have concluded that they would prefer to pay an initial sales load
and have  the  benefit  of lower  continuing  fees.  Class B shares  are sold to
investors choosing to pay no initial sales load, a higher distribution fee and a
CDSL with  respect to  redemptions  within six years of purchase  and who desire
shares to convert  automatically  to Class A shares after eight  years.  Class D
shares are sold to  investors  choosing to pay no initial  sales load,  a higher
distribution fee and, with respect to redemptions within one year of purchase, a
CDSL. The Alternative  Distribution System allows investors to choose the method
of  purchasing  shares  that is most  beneficial  in light of the  amount of the
purchase,  the  length  of time the  shares  are  expected  to be held and other
relevant   circumstances.   Investors  should  determine   whether  under  their
particular  circumstances it is more advantageous to incur an initial sales load
and be subject to lower ongoing fees, as discussed  below, or to have the entire
initial purchase price invested in the Fund with the investment thereafter being
subject  to higher  ongoing  fees and either a CDSL for a six year  period  with
automatic  conversion  to  Class A  shares  after  eight  years  or a CDSL for a
one-year period with no automatic conversion to Class A shares.

     Investors who expect to maintain their investment for an extended period of
time might choose to purchase Class A shares  because over time the  accumulated
continuing  distribution  fees of Class B and  Class D  shares  may  exceed  the
initial  sales  load  and  lower  distribution  fee  of  Class  A  shares.  This
consideration  must be weighed  against the fact that the amount invested in the
Fund will be reduced by the initial sales load on Class A shares deducted at the
time of  purchase.  Furthermore,  the  distribution  fees on Class B and Class D
shares  will be offset to the extent any return is  realized  on the  additional
funds initially invested therein that would have been equal to the amount of the
initial sales load on Class A shares.

     Investors who qualify for reduced  initial sales loads,  as described under
"Purchase of Shares" below, might also choose to purchase Class A shares because
the sales load deducted at the time of purchase would be less or waived in full.
However,  investors  should consider the effect of the 1% CDSL imposed on shares
on which the initial sales load was waived in full because the amount of Class A
shares  purchased was  $1,000,000  or more. In addition,  Class B shares will be
converted  automatically to Class A shares after a period of approximately eight
years,  and thereafter  investors will be subject to lower ongoing fees.  Shares
purchased through  reinvestment of dividends and distributions on Class B shares
also will  converted  automatically  to Class A shares along with the underlying
shares on which they were earned.

     Alternatively,  some  investors  might  choose  to have all of their  funds
invested initially in Class B or Class D shares, although remaining subject to a
higher continuing distribution fee and for a six-year or one-year period, a CDSL
as described  below.  For example,  an investor who does not qualify for reduced
sales  loads  would have to hold Class A shares for more than 6.33 years for the
Class B or Class D  distribution  fee to exceed the initial  sales load plus the
distribution fee on Class A shares.  This example does not take into account the
time value of money, which further reduces the impact of the Class B and Class D
shares' 1% distribution fee, other expenses charged to each class,  fluctuations
in net asset  value or the  effect of the  return  on the  investment  over this
period of time.

     Investors  should bear in mind that total asset based sales charges  (i.e.,
higher  continuing  distribution  fee plus the CDSL) on Class B shares  that are
redeemed may exceed the total asset based sales charges that would be payable on
the same amount of Class A or Class D shares, particularly if the Class B shares
are redeemed  shortly after purchase or if the investor  qualifies for a reduced
sales load on the Class A shares.



                                       5
<PAGE>

     Investors  should  understand  that the purpose and function of the initial
sales loads (and deferred sales load, when  applicable)  with respect to Class A
shares is the same as those of the deferred sales loads and higher  distribution
fees with  respect  to Class B and  Class D shares  in that the sales  loads and
distribution  fees  applicable  to each class  provide for the  financing of the
distribution of the shares of the Fund.

     Class B and Class D shares  are  subject to the same  ongoing  distribution
fees but Class D shares are subject to a CDSL for a shorter  period of time (one
year as opposed  to six years)  than  Class B shares.  However,  unlike  Class D
shares,  Class B shares  automatically  convert  to Class A shares  after  eight
years, which are subject to lower ongoing fees.
   
     The three classes of shares  represent  interests in the same  portfolio of
investments,  have the same rights and are  generally  identical in all respects
except that each class bears its separate distribution and, potentially, certain
other class expenses and has exclusive  voting rights with respect to any matter
to which a separate vote of any class is required by the Investment  Company Act
of  1940,  as  amended  (the  "1940  Act"),  or  Maryland  law.  The net  income
attributable  to each  class and  dividends  payable on the shares of each class
will be reduced by the amount of distribution  and other expenses of each class.
Class B and Class D shares  bear higher  distribution  fees which will cause the
Class B and Class D shares to pay lower  dividends than the Class A shares.  The
three classes also have separate exchange privileges.
    

     The  Directors of the Fund  believe that no conflict of interest  currently
exists between the Class A, Class B and Class D shares. On an ongoing basis, the
Directors,  in the  exercise of their  fiduciary  duties  under the 1940 Act and
Maryland  law,  will  seek to  ensure  that no such  conflict  arises.  For this
purpose,  the Directors  will monitor the Fund for the existence of any material
conflict among the classes and will take such action as is reasonably  necessary
to eliminate any such conflicts that may develop.

     DIFFERENCES BETWEEN CLASSES. The primary differences between Class A, Class
B and Class D shares are their sales load structures and ongoing expenses as set
forth below. The primary differences between Class B and Class D shares are that
Class D shares are  subject to a shorter  CDSL  period and a lower CDSL rate but
Class B  shares  automatically  convert  to Class A shares  after  eight  years,
resulting in a reduction  in ongoing  fees.  Investors in Class B shares  should
take into account  whether  they intend to redeem  their shares  within the CDSL
period and, if not,  whether they intend to remain invested until the end of the
conversion  period and thereby take  advantage of the  reduction in ongoing fees
resulting from the conversion to Class A shares.  Other investors,  however, may
elect to purchase Class D shares if they determine  that it is  advantageous  to
have all their assets invested initially and they are uncertain as to the length
of time they intend to hold their  assets in the Fund or another  mutual fund in
the Seligman Group for which the exchange privilege is available. Although Class
D shareholders  are subject to a shorter CDSL period at a lower rate, they forgo
the Class B automatic  conversion feature,  making their investment subject to a
higher  distribution  fee for an  indefinite  period  of time.  Each  Class  has
advantages  and  disadvantages  for different  investors,  and investors  should
choose the class that best suits their circumstances and their objectives.





                                       6
<PAGE>

                                ANNUAL 12B-1 FEES
         INITIAL                (AS A % OF AVERAGE
         SALES LOAD             DAILY NET ASSETS)         OTHER INFORMATION
         ----------             -------------------       -----------------
CLASS A  Maximum initial        Service fee of .25%       Initial sales load
         sales load                                       waived or reduced
         of 4.75% of the                                  for certain purchases.
         public offering                                  CDSL of 1% on
         price.                                           redemptions within
                                                          18 months of purchase
                                                          on shares on which 
                                                          sales load was waived
                                                          in full due to the 
                                                          size of the purchase.

CLASS B  None                   Service fee of .25%;      CDSL of:
                                Distribution fee of       5% in 1st year
                                .75% until conversion     4% in 2nd year
                                                          3% in 3rd and 4th 
                                                          years 2% in 5th year
                                                          1% in 6th year 0% 
                                                          after 6th year.
   
CLASS D  None                   Service fee of            CDSL of 1% on
                                .25%; Distribution        redemptions
                                fee of up to .75%.        within one year of
                                                          purchase.
    
*  Conversion  occurs at the end of the month which precedes the 8th anniversary
   of the purchase date. If Class B shares of the Fund are exchanged for Class B
   shares of another Seligman Mutual Fund, the conversion  period  applicable to
   the Class B shares  acquired  in the  exchange  will  apply,  and the holding
   period of the shares  exchanged will be tacked onto the holding period of the
   shares acquired.

INVESTMENT OBJECTIVES, POLICIES AND RISKS

     The Fund is an  open-end  diversified  management  investment  company,  as
defined in the 1940 Act, or mutual fund,  incorporated  in Maryland in 1947. The
Fund has two investment objectives.  Primarily, it seeks to provide shareholders
with high current income  consistent  with what is believed to be a prudent risk
of capital.  Secondarily,  it seeks to provide the possibility of improvement in
income and capital  value over the longer term.  There can be no assurance  that
the Fund's investment objectives will be attained.

     Assets are invested in securities carefully selected in light of investment
objectives  and  diversified  to limit risk.  The  distribution  of  investments
between different types of securities is governed by a fundamental policy, which
can be changed only by vote of the shareholders, that at least 25% of the market
value of gross  assets  must at all  times be in cash,  bonds  and/or  preferred
stocks. Under an investment policy established by the Fund's Board of Directors,
which can be changed by the Board,  at least 80% of assets  will be  invested in
income-producing securities.

     Subject to that limitation,  assets may be invested in many different types
of securities, including money market instruments, fixed-income securities, such
as bonds,  debentures and preferred stocks,  senior securities  convertible into
common stocks, and common stocks.

     Convertible  bonds are  convertible at a stated exchange rate or price into
common  stock.  Before  conversion,   convertible   securities  are  similar  to
nonconvertible  debt  securities  in that they provide a steady stream of income
with  generally  higher yields than an issuer's  equity  securities.  The market
value of all debt securities, including convertible securities, tends to decline
as  interest  rates  increase  and to increase as  interest  rates  decline.  In
general,  convertible  securities may provide lower interest or dividend  yields
than nonconvertible debt securities of similar quality,  but they may also allow
investors to benefit from increases in the market price of the underlying common
stock. When the market price of the underlying common stock increases, the price
of the convertible security tends to reflect the increase. When the market price
of the underlying common stock declines, the convertible security tends to trade
on the  basis  of  yield,  and may not  depreciate  to the  same  extent  as the
underlying  common  stock.  In  an  issuer's  capital   structure,   convertible
securities are senior to common stocks. They are therefore of higher quality and
involve less risk than the issuer's common stock but the extent to which risk is
reduced depends  largely on the extent to which the  convertible  security sells
above its value as a fixed income security. In selecting convertible  securities
for the Fund's  portfolio,  the Manager  evaluates  such factors as economic and
business  conditions  involving the 




                                       7
<PAGE>

issuer,  future  earnings  growth  potential of the issuer,  potential for price
appreciation  of the  underlying  equity,  the  value of  individual  securities
relative  to  other  investment  alternatives,  trends  in the  determinants  of
corporate  profits and  capability  of  management.  In evaluating a convertible
security,  the Manager gives  emphasis to the  attractiveness  of the underlying
common stock and the capital  appreciation  opportunities  that the  convertible
security presents.  Convertible  securities can be callable or redeemable at the
issuer's  discretion,  in  which  case  the  Manager  would  be  forced  to seek
alternative investments. The Fund may invest in debt securities convertible into
equity securities rated as low as CC by Standard & Poor's Rating Service ("S&P")
or Ca by Moody's Investors Service,  Inc.  ("`Moody's").  Securities rated below
investment  grade often have speculative  characteristics  and may be subject to
greater market fluctuations and risk of loss of income and principal than higher
rated  securities.  A description  of credit ratings and risks  associated  with
lower rated debt securities,  which tend to be more speculative and riskier than
higher rated debt  securities,  is set forth in the Appendix to this prospectus.
The  Manager  does  not  rely on the  ratings  of  these  securities  in  making
investment  decisions  but  performs  its own  analysis,  based  on the  factors
described above, in light of the Fund's investment objectives.

     The  Fund  does  not  expect  to  invest  more  than  5% of its  assets  in
nonconvertible  bonds, notes and debentures  ("bonds") rated below BBB by S&P or
Baa by Moody's ("investment  grade").  Although bonds rated in the fourth credit
rating category (BBB or Baa) are commonly  referred to as investment grade, they
may have speculative characteristics.
   
     The following  table sets forth the weighted  average ratings of the Fund's
portfolio invested in debt securities for the year ended December 31, 1997. When
securities  receive different  ratings from S&P and Moody's,  the table reflects
the higher rating.

AAA/Aaa...........................................    17.4%
AA/Aa.............................................     1.1%
A/A...............................................     3.1%
BBB/Baa...........................................    23.3%
BB/Ba.............................................     7.5%
B/B...............................................     2.5%
CCC/Caa...........................................       --
CC/Ca.............................................       --
Non-rated.........................................     1.9%
    
     The Fund may invest  for  either  the long or short term in its  efforts to
attain  its  objectives,  and  changes  in  investments  may  be  made  whenever
considered  advisable  by the  Manager.  Portfolio  turnover  may vary with such
changes.  Short-term  investing may result in higher portfolio  turnover and the
payment of higher brokerage commissions.

     BORROWING. The Fund may borrow money for temporary or emergency purposes in
an amount  not to exceed  15% of the  value of its  total  assets.  The Fund may
pledge its assets only to the extent necessary to effect permitted borrowings on
a secured basis.

   
     LENDING OF PORTFOLIO SECURITIES.  The Fund may lend portfolio securities to
brokers or dealers,  banks or other institutional  borrowers of securities.  The
borrower must maintain with the Fund cash or equivalent  collateral  equal to at
least  100% of the  market  value  of the  securities  loaned.  During  the time
portfolio  securities  are on  loan,  the  borrower  pays  the  Fund  an  amount
equivalent  to any dividends or interest  paid on the  securities.  The Fund may
invest the cash collateral and earn  additional  income or may receive an agreed
upon amount of interest income from the borrower.
    

     ILLIQUID  SECURITIES.  The Fund may  invest up to 15% of its net  assets in
illiquid  securities,  including  restricted  securities  (i.e.,  securities not
readily  marketable  without  registration under the Securities Act of 1933 (the
"1933 Act")) and other securities that are not readily marketable.  The Fund may
purchase  restricted  securities  that can 


                                       8


<PAGE>


be offered and sold to "qualified  institutional  buyers" under Rule 144A of the
1933 Act, and the Manager,  acting pursuant to procedures approved by the Fund's
Board of Directors,  may determine,  when  appropriate,  that specific Rule 144A
securities  are  liquid  and not  subject  to the  15%  limitation  on  illiquid
securities.  Should this determination be made, the Manager,  acting pursuant to
such procedures,  will carefully monitor the security (focusing on such factors,
among others,  as trading activity and availability of information) to determine
that the Rule 144A  security  continues  to be  liquid.  It is not  possible  to
predict  with  assurance  exactly how the market for Rule 144A  securities  will
further evolve. This investment practice could have the effect of increasing the
level  of  illiquidity  in  the  Fund,  if  and to  the  extent  that  qualified
institutional  buyers become for a time  uninterested  in  purchasing  Rule 144A
securities.
   
     FOREIGN   SECURITIES.   The  Fund  may  invest  in  commercial   paper  and
certificates  of  deposit  issued  by  foreign  banks  and may  invest  in other
securities of foreign issuers directly or through American  Depositary  Receipts
("ADRs"),  European  Depositary  Receipts ("EDRs") or Global Depositary Receipts
("GDRs")  (collectively,  "Depositary  Receipts").  Foreign  investments  may be
affected  favorably  or  unfavorably  by changes in currency  rates and exchange
control  regulations.  There may be less  information  available about a foreign
company than about a U.S.  company and foreign  companies  may not be subject to
reporting  standards and  requirements  comparable  to those  applicable to U.S.
companies.  Foreign  securities  may  not  be  as  liquid  as  U.S.  securities.
Securities of foreign  companies may involve greater market risk than securities
of U.S.  companies,  and foreign  brokerage  commissions  and  custody  fees are
generally  higher  than  those in the  United  States.  Investments  in  foreign
securities may also be subject to local economic or political  risks,  political
instability and possible  nationalization  of issuers.  Depositary  Receipts are
instruments generally issued by domestic banks or trust companies that represent
the deposits of a security of a foreign  issuer.  ADRs may be publicly traded on
exchanges or over-the-counter in the United States and are quoted and settled in
dollars at a price that  generally  reflects the dollar  equivalent  of the home
country  share price.  EDRs are typically  traded in Europe.  GDRs are typically
traded in both Europe and the United States.  Depositary  Receipts may be issued
under sponsored or unsponsored programs.  In sponsored programs,  the issuer has
made  arrangements  to have its  securities  traded in the form of a  Depositary
Receipt.  In unsponsored  programs,  the issuers may not be directly involved in
the creation of the program.  Although  regulatory  requirements with respect to
sponsored and unsponsored Depositary Receipt programs are generally similar, the
issuers of securities  represented  by unsponsored  Depositary  Receipts are not
obligated to disclose material  information in the United States, and therefore,
the import of such  information may not be reflected in the market value of such
receipts.  The  Fund  may  invest  up to 10%  of its  total  assets  in  foreign
securities that it holds directly,  but this 10% limit does not apply to foreign
securities  held  through  Depositary  Receipts  which are  traded in the United
States or to  commercial  paper and  certificates  of deposit  issued by foreign
banks.
    
     GENERAL.  Except as noted above, the foregoing  investment policies are not
fundamental  and the Fund's Board of Directors may change such policies  without
the vote of a majority of the Fund's outstanding voting securities.  As a matter
of  policy,  the Board  would not change the  Fund's  investment  objectives  of
seeking to produce high current income  consistent  with prudent risk of capital
and the  possibility  of improvement in income and capital value over the longer
term without such a vote.

     A more detailed description of the Fund's investment policies,  including a
list of those  restrictions on the Fund's investment  activities which cannot be
changed without such a vote, appears in the Statement of Additional Information.
Under the 1940 Act, a "vote of a majority of the outstanding  voting securities"
of the Fund means the affirmative vote of the lesser of (1) more than 50% of the
outstanding  shares of the Fund or (2) 67% or more of the  shares  present  at a
shareholder's


                                       9


<PAGE>


meeting  if more  than 50% of the  outstanding  shares  are  represented  at the
meeting in person or by proxy.
   
     YEAR 2000 RISKS.  The Fund is dependent  upon service  providers  and their
computer systems for its day-to-day  operations,  and many of the Fund's service
providers in turn depend upon computer  systems of other persons.  Many computer
systems   currently   cannot  properly   recognize  or  process  date  sensitive
information  relating  to the  year  2000  and  beyond.  The  Manager,  Seligman
Financial  Services,  Inc., and the Fund's  custodian  have been  evaluating the
impact the year 2000 issue may have on their computer systems.  They expect that
any  modifications to their computer systems  necessary to address the year 2000
issue will be made and tested in a timely  manner.  They are also  working  with
vendors  and  other  persons  whose  systems  are  linked  to  theirs  to obtain
satisfactory  assurances  regarding  the year 2000 issue.  Seligman  Data Corp.,
which provides certain corporate and shareholder account services to the Fund at
cost, has informed the Fund that it does not expect that the cost to the Fund of
its services will increase  materially as a result of the  modifications  to its
computer  systems  necessary to prepare for the year 2000.  The costs of systems
remediation by persons other than Seligman Data Corp. will not be borne directly
by the Fund.  There can be no assurance  that the remedial  actions taken by the
Fund's service  providers will be sufficient or timely.  Inadequate  remediation
could have an adverse  effect on the Fund's  operations,  including  pricing and
securities trading and settlement, and the provision of shareholder services.
    

MANAGEMENT SERVICES

     THE MANAGER.  The Board of Directors  provides board  supervision  over the
affairs of the Fund.  Pursuant to a Management  Agreement  approved by the Board
and the  shareholders  of the Fund, the Manager  manages the  investments of the
Fund and  administers the business and other affairs of the Fund. The address of
the Manager is 100 Park Avenue, New York, NY 10017.
   
     The  Manager  also  serves  as a  manager  of  seventeen  other  investment
companies which,  together with the Fund,  comprise the "Seligman  Group." These
companies are: Seligman Capital Fund, Inc., Seligman Cash Management Fund, Inc.,
Seligman Common Stock Fund, Inc., Seligman  Communications and Information Fund,
Inc.,  Seligman  Frontier  Fund,  Inc.,  Seligman  Growth Fund,  Inc.,  Seligman
Henderson Global Fund Series,  Inc., Seligman High Income Fund Series,  Seligman
Municipal  Fund Series,  Inc.,  Seligman  Municipal  Series Trust,  Seligman New
Jersey  Municipal  Fund,  Inc.,  Seligman  Pennsylvania  Municipal  Fund Series,
Seligman  Portfolios,  Inc.,  Seligman Quality  Municipal Fund,  Inc.,  Seligman
Select   Municipal   Fund,   Inc.,   Seligman   Value  Fund  Series,   Inc.  and
Tri-Continental  Corporation.  The aggregate  assets of the Seligman  Group were
approximately  $20.2  billion  at March 31,  1998.  The  Manager  also  provides
investment  management or advice to  institutional  accounts having an aggregate
value at March 31, 1998 of approximately $7.4 billion.
    

     Mr.  William C. Morris is Chairman of the Manager and Chairman of the Board
and Chief  Executive  Officer of the Fund.  Mr.  Morris  owns a majority  of the
outstanding voting securities of the Manager.

     The Manager also provides  senior  management  for Seligman  Data Corp.,  a
wholly-owned  subsidiary of the Fund, and certain other investment  companies in
the Seligman Group, which performs, at cost, certain recordkeeping functions for
the Fund,  maintains the records of shareholder  accounts and furnishes dividend
paying, redemption and related services.
   
     The Manager is entitled to receive a management fee,  calculated  daily and
payable  monthly.  The  management fee is equal to an annual rate of .60% of the
Fund's  average daily net assets on the first $1 billion of net assets,  .55% of
the  Fund's  average  daily net  assets on the next $1 billion of net assets and
 .50% of the Fund's  average  daily net assets in excess of $2 billion.  In 1997,
the  management  fee paid by the Fund
    

                                       10


<PAGE>


was equal to an annual rate of .60% of the average daily net assets of the Fund.
   
     The Fund pays all of its expenses  other than those assumed by the Manager.
Total  expenses of the Fund's Class A, Class B and Class D shares,  for the year
ended December 31, 1997 amounted to 1.14%, 1.90% and 1.90%, respectively, of the
average daily net assets of such class.

     Prior to March 30, 1998,  the Manager was party to a Subadvisory  Agreement
with Seligman  Henderson Co. pursuant to which Seligman  Henderson Co. agreed to
provide investment advisory services to the Fund in respect of foreign assets to
the  extent  requested  by the  Manager.  On March  30,  1998,  the  Subadvisory
Agreement  terminated in accordance  with its terms.  The Manager has no present
plans to enter into similar subadvisory arrangements in respect of the Fund.

     PORTFOLIO  MANAGEMENT.  Charles C. Smith,  Jr., a Managing  Director of the
Manager,  has been  Vice  President  and  Portfolio  Manager  of the Fund  since
December  1991.  He is also Vice  President  and  Portfolio  Manager of Seligman
Common Stock Fund, Inc., and Tri-Continental Corporation and a Vice President of
Seligman Portfolios, Inc. ("SPI") and Portfolio Manager of SPI's Seligman Common
Stock Portfolio and Seligman Income  Portfolio.  Mr. Smith joined the Manager in
1985 as Vice  President,  Investment  Officer.  He was  promoted  to Senior Vice
President, Senior Investment Officer in 1992 and to Managing Director in January
1994.

     Rodney Collins,  Vice  President,  Investment  Officer of the Manager,  has
served as Co-Portfolio  Manager of the Fund since October 1996. Mr. Collins also
serves  as  Co-Portfolio  Manager  of  Seligman  Income  Portfolio  of  Seligman
Portfolios,  Inc.  Mr.  Collins  joined  the  Manager  in 1992 as an  investment
associate.

     The Managers'  discussion of the Fund's performance as well as a line graph
illustrating  comparative performance information between the Fund, the Standard
& Poor's 500 Composite  Stock Price Index,  the Lehman  Brothers  Aggregate Bond
Index and the Lipper  Income Funds Average is included in the Fund's 1997 Annual
Report  to  Shareholders.  Copies of the 1997  Annual  Report  may be  obtained,
without  charge,  by  calling or writing  the Fund at the  telephone  numbers or
address listed on the cover page of this Prospectus.

     PORTFOLIO  TRANSACTIONS.  The Management  Agreement  recognizes that in the
purchase  and sale of  portfolio  securities,  the  Manager  will  seek the most
favorable  price and  execution,  and,  consistent  with that  policy,  may give
consideration  to the  research,  statistical  and other  services  furnished by
brokers or dealers to the Manager. The use of brokers who provide investment and
market  research  and  securities  and  economic  analysis  may result in higher
brokerage  charges  than the use of  brokers  selected  on the basis of the most
favorable brokerage  commission rates, and research and analysis received may be
useful to the Manager in  connection  with its services to other clients as well
as to  the  Fund.  In the  over-the-counter  markets,  orders  are  placed  with
responsible  primary market makers unless a more favorable execution or price is
believed to be obtainable.

     Consistent  with  the  Rules  of the  National  Association  of  Securities
Dealers,  Inc.,  and subject to seeking the most  favorable  price and execution
available and such other  policies as the Directors may  determine,  the Manager
may consider  sales of shares of the Fund and, if permitted by applicable  laws,
may consider sales of shares of the other  Seligman  Mutual Funds as a factor in
the selection of brokers or dealers to execute  portfolio  transactions  for the
Fund.

     PORTFOLIO  TURNOVER.  A change in  securities  held by the Fund is known as
"portfolio  turnover"  which  may  result in the  payment  by the Fund of dealer
spreads or underwriting  commissions and other transactions costs on the sale of
securities as well as on the  reinvestment of the proceeds in other  securities.
High portfolio turnover involves  correspondingly greater transactions costs and
a possible increase in short-term  capital gains and losses.  Although it is the
policy of the Fund to hold securities for investment,  changes will be made from
time to time when the Manager  believes such changes
    


                                       11


<PAGE>

   
in the securities  held by the Fund will  strengthen the Fund's  portfolio.  The
portfolio turnover of the Fund may exceed 100%.
    

PURCHASE OF SHARES

     Seligman Financial  Services,  Inc. ("SFSI"),  an affiliate of the Manager,
acts as  general  distributor  of the  Fund's  shares.  Its  address is 100 Park
Avenue, New York, NY 10017.

     The Fund  issues  three  classes  of  shares:  Class A  shares  are sold to
investors  choosing the initial sales load alternative;  Class B shares are sold
to investors  choosing to pay no initial sales load, a higher  distribution  fee
and a CDSL with  respect to  redemptions  within six years of  purchase  and who
desire  their  shares to convert  automatically  to Class A shares  after  eight
years; and Class D shares are sold to investors  choosing no initial sales load,
a higher distribution fee and a CDSL on redemptions within one year of purchase.
See "Alternative Distribution System" above.
   
     Shares  of the Fund may be  purchased  through  any  authorized  investment
dealer.  All  orders  will be  executed  at the net asset  value per share  next
determined  after  receipt of the  purchase  order plus,  in the case of Class A
shares, a sales load which, except for shares purchased under one of the reduced
sales  load  plans,  will  vary  with the size of the  purchase  as shown in the
schedule under "Class A Shares -- Initial Sales Load" below.

     THE MINIMUM AMOUNT FOR INITIAL INVESTMENT IN THE FUND IS $1,000; SUBSEQUENT
INVESTMENTS  MUST BE IN THE MINIMUM  AMOUNT OF $100  (EXCEPT FOR  INVESTMENT  OF
DIVIDENDS AND CAPITAL GAIN DISTRIBUTIONS). THE FUND RESERVES THE RIGHT TO RETURN
INVESTMENTS  WHICH DO NOT MEET THESE MINIMUMS.  EXCEPTIONS TO THESE MINIMUMS ARE
AVAILABLE   FOR  FUND  ACCOUNTS   BEING   ESTABLISHED   CONCURRENTLY   WITH  THE
INVEST-A-CHECK(R)  SERVICE.  THE MINIMUM  AMOUNT FOR INITIAL  INVESTMENT  IN THE
SELIGMAN  TIME  HORIZON  MATRIXSM  ASSET  ALLOCATION  PROGRAM  IS  $10,000.  FOR
INFORMATION ABOUT THIS PROGRAM, CONTACT YOUR FINANCIAL ADVISOR.

     The minimum amount for initial investment in the Fund is $500 for investors
who  purchase  shares of the Fund  through  Merrill  Lynch's  MFA or MFA  Select
Programs.  There is no minimum  investment  required for  investors who purchase
shares of the Fund through wrap fee programs.

     Purchase  orders  placed for Class B shares must be for an amount LESS THAN
$250,000.

     Orders received by an authorized  dealer by the close of regular trading on
the New York Stock  Exchange  ("NYSE")  (normally,  4:00 p.m.  Eastern time) and
accepted by SFSI before the close of business  (5:00 p.m.  Eastern  time) on the
same day will be  executed at the Funds' net asset  value  determined  as of the
close of regular  trading  on the NYSE on that day plus,  in the case of Class A
shares, any applicable sales load. Orders accepted by dealers after the close of
the NYSE,  or received by SFSI after the close of business,  will be executed at
the  Fund's  net asset  value as next  determined  plus,  in the case of Class A
shares,  any  applicable  sales load.  The  authorized  dealer  through  which a
shareholder  purchases  shares is  responsible  for forwarding the order to SFSI
promptly.
    
     Payment  for  dealer  purchases  may be made by check  or by wire.  To wire
payment,  dealer  orders  must  first be placed  through  SFSI's  order desk and
assigned a purchase  confirmation  number.  Funds in payment of the purchase may
then be wired to Mellon Bank,  N.A., ABA  #043000261,  A/C Seligman Income Fund,
Inc.  (A, B or D), A/C  #107-1011.  WIRE  TRANSFERS  MUST  INCLUDE THE  PURCHASE
CONFIRMATION NUMBER AND CLIENT ACCOUNT REGISTRATION AND ACCOUNT NUMBER.  Persons
other than dealers who wish to wire payment should  contact  Seligman Data Corp.
for  specific  wire  instructions.  Although  the Fund  makes no charge for this
service, the transmitting bank may impose a wire service fee.
   
     Current  shareholders may purchase  additional shares of a Fund at any time
through any  authorized  dealer or by sending a check,  payable to the "Seligman
Group of Funds," in a postage-paid return envelope or
    

                                       12


<PAGE>

   
directly to P.O. BOX 9766, PROVIDENCE, RI 02940-9766. Checks for investment must
be in U.S.  dollars drawn on a domestic bank. The check should be accompanied by
an investment  slip (provided at the bottom of shareholder  account  statements)
and include the shareholder's  name,  address,  account number, name of Fund and
class of shares (A, B or D).  Checks sent  directly to Seligman  Data Corp.  and
received in good order will be invested at the Fund's net asset value determined
as of the close of regular  trading on the NYSE on that day plus, in the case of
Class A shares, any applicable sales load.

     IF A SHAREHOLDER DOES NOT PROVIDE THE REQUIRED  INFORMATION,  SELIGMAN DATA
CORP. WILL SEEK FURTHER  CLARIFICATION  AND MAY BE FORCED TO RETURN THE CHECK TO
THE SHAREHOLDER.  IF ONLY THE CLASS DESIGNATION IS MISSING,  THE INVESTMENT WILL
AUTOMATICALLY BE MADE IN CLASS A SHARES FOR NEW ACCOUNTS OR IN THE SHAREHOLDER'S
EXISTING  CLASS FOR ADDITIONAL  PURCHASES.  Credit card  convenience  checks and
third  party  checks  (i.e.,  checks  made  payable  to  someone  other than the
"Seligman  Group  of  Funds")  may not be used to  open a new  fund  account  or
purchase additional shares of the Fund.

     Seligman Data Corp. may charge a $10.00 service fee for checks  returned to
it as uncollectable. This charge may be deducted from the shareholder's account.
For the protection of the Fund and its shareholders, no redemption proceeds will
be remitted to a shareholder  with respect to shares  purchased by check (unless
certified) until Seligman Data Corp.  receives notice that the check has cleared
which may be up to 15 days from the  credit of the  shares to the  shareholder's
account.

     Current  shareholders may also purchase  additional  shares by having funds
electronically  transferred  directly  from an employer,  the  Internal  Revenue
Service or other government  agency, or any institution  capable of transmitting
payments through the Automated Clearing House ("ACH") network.  Purchases may be
one-time  transactions,  or, for those  institutions  that offer direct  deposit
programs,  may be made on a  systematic  basis.  To utilize  this  service,  the
following bank information must be provided to the paying institution:

                                Mellon Bank, N.A.
                                 ABA #043000261
                            A/C No. 600FFFNNNNNNNNNN

     "600"  IDENTIFIES  THE  SELIGMAN  GROUP OF  FUNDS,  "FFF" IS THE FUND  CODE
REPRESENTING  THE FUND AND CLASS OF SHARES IN WHICH THE PURCHASE  SHOULD BE MADE
(this code is available on the back of all shareholder account statements),  AND
"NNNNNNNNNN" INDICATES THE SHAREHOLDER'S  TEN-DIGIT ACCOUNT NUMBER. In addition,
the  shareholder  must indicate that this is a checking  account at Mellon Bank.
For  IRA  and  group  retirement  accounts,  all  electronic  purchases  will be
designated  as  current  year  contributions.  For more  information  about this
service, please contact Seligman Data Corp.

     VALUATION. The net asset value of the Fund's shares is determined each day,
Monday through Friday, as of the close of regular trading on the NYSE (normally,
4:00  p.m.  Eastern  time) on each day that the NYSE is open for  business.  Net
asset value is calculated separately for each class. Securities traded on a U.S.
or  foreign  exchange  or  over-the-counter  market are valued at the last sales
price on the primary exchange or market on which they are traded. United Kingdom
securities and securities for which there are no recent sales  transactions  are
valued based on quotations provided by primary market makers in such securities.
Short-term  holdings  maturing  in 60 days  or  less  are  generally  valued  at
amortized  cost if  their  original  maturity  was 60 days or  less.  Short-term
holdings with more than 60 days  remaining to maturity will be valued at current
market value until the 61st day prior to maturity, and will then be valued on an
amortized  cost  basis  based on the  value as of such  date  unless  the  Board
determines  that amortized cost value does not represent fair market value.  Any
securities  for which recent  market  quotations  are not readily  available are
valued at fair value  determined in accordance with  procedures  approved by the
Fund's Board of Directors.
    



                                       13
<PAGE>

     Although  the  legal  rights  of Class A,  Class B and  Class D shares  are
substantially  identical, the different expenses borne by each class will result
in different net asset values and dividends.  The net asset value of Class B and
Class D shares  will  generally  be lower  than the net  asset  value of Class A
shares as a result of the higher  distribution fees charged to Class B and Class
D shares.  In addition,  net asset value per share of the three  classes will be
affected to the extent any other expenses differ among classes.

     CLASS A SHARES -- INITIAL  SALES  LOAD.  Class A shares  are  subject to an
initial  sales load which  varies with the size of the  purchase as shown in the
schedule below, and an annual service fee of up to .25% of the average daily net
asset value of Class A shares.  See  "Administration,  Shareholder  Services and
Distribution Plan" below.

- --------------------------------------------------------------------------------
                       CLASS A SHARES SALES LOAD SCHEDULE

                                   SALES LOAD AS A
                                     PERCENTAGE OF         REGULAR
                                -------------------        DEALER
                                          NET AMOUNT      DISCOUNT
                                           INVESTED      AS A % OF
              AMOUNT OF         OFFERING  (NET ASSET)     OFFERING
              PURCHASE           PRICE       VALUE         PRICE
             ----------         -------   ----------      -------
      Less than    $ 50,000       4.75%       4.99%         4.25%
      $   50,000-    99,999       4.00        4.17          3.50
         100,000-   249,999       3.50        3.63          3.00
         250,000-   499,999       2.50        2.56          2.25
         500,000-   999,999       2.00        2.04          1.75
       1,000,000-   or more*         0           0             0

- --------
  *Shares  acquired at net asset value  pursuant to the above  schedule  will be
   subject  to a CDSL of 1% if  redeemed  within  18  months  of  purchase.  See
   "Purchase of Shares--Contingent Deferred Sales Load."
- --------------------------------------------------------------------------------

     There is no initial sales load on purchases of Class A shares of $1,000,000
or more ("NAV  sales");  however,  such  shares  are  subject to a CDSL of 1% if
redeemed within eighteen months of purchase.

     SFSI shall pay broker/dealers,  from its own resources, a fee on NAV sales,
calculated  as follows:  1.00% of NAV sales up to but not  including $2 million;
 .80% of NAV sales from $2 million up to but not  including  $3 million;  .50% of
NAV sales from $3 million up to but not  including  $5 million;  and .25% of NAV
sales from $5 million  and above.  The  calculation  of the fee will be based on
assets held by a "Single person" as defined below.
   
     SFSI shall also pay broker/dealers, from its own resources, a fee on assets
of  certain  investments  in  Class  A  shares  of  the  Seligman  Mutual  Funds
participating  in an "eligible  employee  benefit  plan" (as defined below under
"Special Programs") that are attributable to the particular  broker/dealer.  The
shares  eligible  for the fee are those on which an  initial  sales load was not
paid because  either the  participating  eligible  employee  benefit plan has at
least (i)  $500,000  invested in the  Seligman  Mutual Funds or (ii) 50 eligible
employees to whom such plan is made available.  Class A shares representing only
an initial  purchase of Seligman Cash  Management  Fund are not eligible for the
fee.  Such shares will become  eligible for the fee once they are  exchanged for
shares of another Seligman Mutual Fund. The payment is based on cumulative sales
for each Plan  during a single  calendar  year or portion  thereof.  The payment
schedule,  for each calendar  year, is as follows:  1.00% of sales up to but not
including $2 million;  .80% of sales from $2 million up to but not  including $3
million;  .50% of sales from $3 million up to but not including $5 million;  and
 .25% of sales from $5 million and above.
    
     REDUCED SALES LOADS.  Reductions in sales loads apply to purchases of Class
A shares by a "single person," including an individual, members of a family unit
comprising husband,  wife and minor children purchasing securities for their own
account,  or a trustee  or other  fiduciary  purchasing  for a single  fiduciary
account or single trust.  Purchases  made by a trustee or other  fiduciary for a
fiduciary  account may not be aggregated  with  purchases  made on behalf of any
other fiduciary or individual account.

     Shares purchased without an initial sales load in accordance with the sales
load schedule or pursuant to a Volume Discount,  Right of Accumulation or Letter
of Intent are subject to a CDSL of 1% on redemptions  within  eighteen months of
purchase.



                                       14
<PAGE>

     VOLUME DISCOUNTS are provided if the total amount being invested in Class A
shares of the Fund alone, or in any combination of shares of the Seligman Mutual
Funds that are sold with an initial sales load reaches  levels  indicated in the
above sales load schedule.
   
     THE RIGHT OF  ACCUMULATION  allows an investor to combine the amount  being
invested in shares of any Seligman  Mutual Fund sold with an initial  sales load
with the total net asset  value of shares  already  owned that were sold with an
initial sales load,  including shares of Seligman Cash Management Fund that were
acquired  by the  investor  through an  exchange  of shares of another  Seligman
Mutual Fund on which there was an initial sales load, to determine reduced sales
loads in accordance with the above sales load schedule.  An investor or a dealer
purchasing  shares on behalf of an investor  must indicate that the investor has
existing accounts when making investments or opening new accounts.

     A LETTER OF INTENT  allows an investor  to  purchase  Class A shares over a
13-month period at reduced initial sales loads,  based upon the total amount the
investor  intends to  purchase,  plus the total net asset value of shares of the
other  Seligman  Mutual Funds already owned that were sold with an initial sales
load and the total net asset value of shares of Seligman  Cash  Management  Fund
that were acquired through an exchange of shares of another Seligman Mutual Fund
on which  there was an initial  sales load.  An investor or a dealer  purchasing
shares on behalf of an investor  must  indicate  that the  investor has existing
accounts when making  investments or opening new accounts.  For more information
concerning terms of Letters of Intent, see "Terms and Conditions."
    
     SPECIAL  PROGRAMS.  The Fund may sell Class A shares at net asset  value to
present  and retired  directors,  trustees,  officers  and  employees  and their
spouses (and family members of the foregoing) of the Fund, the other  investment
companies in the Seligman Group, the Manager and other companies affiliated with
the Manager. Family members are defined to include lineal descendants and lineal
ancestors,  siblings  (and  their  spouses  and  children)  and any  company  or
organization controlled by any of the foregoing.  Such sales also may be made to
employee  benefit  and  thrift  plans  for such  persons  and to any  investment
advisory,  custodial, trust or other fiduciary account managed or advised by the
Manager or any affiliate.

     Class A  shares  also  may be  issued  without  an  initial  sales  load in
connection with the acquisition of cash and securities owned by other investment
companies;  to any  registered  unit  investment  trust  which is the  issuer of
periodic  payment plan  certificates,  the net proceeds of which are invested in
Fund shares,  to separate  accounts  established  and maintained by an insurance
company which are exempt from  registration  under Section  3(c)(11) of the 1940
Act; to registered  representatives  and employees  (and their spouses and minor
children)  of any dealer  that has a sales  agreement  with SFSI;  to  financial
institution trust  departments;  to registered  investment  advisers  exercising
discretionary  investment authority with respect to the purchase of Fund shares;
to accounts of financial  institutions  or  broker/dealers  that charge  account
management fees,  provided the Manager or one of its affiliates has entered into
an agreement  with respect to such account;  pursuant to sponsored  arrangements
with organizations  which make  recommendations to or permit group solicitations
of, its employees,  members or  participants  in connection with the purchase of
shares of the Fund;  to other  investment  companies  in the  Seligman  Group in
connection  with a  deferred  fee  arrangement  for  outside  directors;  and to
"eligible  employee benefit plans" which have at least (i) $500,000  invested in
the Seligman  Group of Mutual  Funds or (ii) 50 eligible  employees to whom such
plan is made  available.  "Eligible  employee  benefit  plan"  means any plan or
arrangement,  whether or not tax  qualified,  which provides for the purchase of
Fund  shares.  Sales of shares to such plans must be made in  connection  with a
payroll  deduction system of plan funding or other system acceptable to Seligman
Data Corp.

     Section 403(b) plans sponsored by public  educational  institutions are not
eligible for net asset value purchases based on the aggregate investment made




                                       15
<PAGE>
   
by the plan or number of eligible employees. Employee benefit plans eligible for
net asset value sales, as described  above,  will be subject to a CDSL of 1% for
terminations at the plan level only, on redemptions of shares  purchased  within
eighteen months prior to plan  termination.  Sales pursuant to a 401(k) or other
retirement  alliance  program  the sponsor of which has an  agreement  with SFSI
pursuant to which  shares are made  available at net asset value are not subject
to a CDSL.
    
     CLASS B SHARES.  Class B shares are sold without an initial  sales load but
are subject to a CDSL if the shares are redeemed within six years of purchase at
rates set forth in the table below,  charged as a percentage  of the current net
asset value or the original purchase price, whichever is less.

YEARS SINCE PURCHASE                                   CDSL
- --------------------                                   ----
less than 1 year....................................... 5%
1 year or more but less than 2 years................... 4%
2 years or more but less than 3 years.................. 3%
3 years or more but less than 4 years.................. 3%
4 years or more but less than 5 years.................. 2%
5 years or more but less than 6 years.................. 1%
6 years or more........................................ 0%

     Class B shares are also subject to an annual  distribution  fee of .75% and
an annual  service fee of up to .25% of the average daily net asset value of the
Class B shares.  SFSI will make a 4% payment to dealers in respect of  purchases
of Class B shares. Approximately eight years after purchase, Class B shares will
convert  automatically to Class A shares, which are subject to an annual service
fee of up to .25% but no distribution fee. Shares purchased through reinvestment
of dividends and distributions on Class B shares also will convert automatically
to Class A shares  along with the  underlying  shares on which they were earned.
Conversion occurs at the end of the month which precedes the eighth  anniversary
of the purchase  date.  If Class B shares of the Fund are  exchanged for Class B
shares of another Seligman Mutual Fund, the conversion  period applicable to the
Class B shares  acquired in the exchange will apply,  and the holding  period of
the  shares  exchanged  will be tacked  onto the  holding  period of the  shares
acquired.  Class B shareholders  of the Fund  exercising the exchange  privilege
will  continue  to be subject to the Fund's CDSL  schedule  if such  schedule is
higher or longer than the CDSL schedule  relating to the new Class B shares.  In
addition, Class B shares of the Fund acquired by exchange will be subject to the
Fund's CDSL schedule if such schedule is higher or longer than the CDSL schedule
relating  to the  Class B shares of the  Seligman  Mutual  Fund  from  which the
exchange has been made.
   
     CLASS D SHARES.  Class D shares are sold without an initial  sales load but
are subject to a 1% CDSL if the shares are redeemed  within one year,  an annual
distribution  fee of up to .75% and an annual  service fee of up to .25%, of the
average daily net asset value of the Class D shares. SFSI will make a 1% payment
to dealers in respect of  purchases  of Class D shares.  Unlike  Class B shares,
Class D shares do not automatically convert to Class A shares after eight years.

     CONTINGENT  DEFERRED  SALES LOAD. A CDSL will be imposed on  redemptions of
Class B or Class D shares which were  purchased  during the  preceding six years
(for Class B shares) or twelve  months  (for Class D shares).  The amount of any
CDSL will  initially  be used by SFSI to defray the expense of the payment of 4%
(in the case of Class B shares) or 1% (in the case of Class D shares) made by it
to Service Organizations (as defined under "Administration, Shareholder Services
and Distribution  Plan") at the time of sale.  Pursuant to an agreement with FEP
Capital,  L.P.  ("FEP") to fund payments in respect of Class B shares,  SFSI has
agreed to assign any Class B CDSL to FEP.

     A CDSL  of 1%  will  also be  imposed  on  redemptions  of  Class A  shares
purchased  during the preceding  eighteen months if such shares were acquired at
net asset value  pursuant to the sales load  schedule  provided  under  "Class A
Shares--Initial Sales Load." Employee benefit plans eligible for net asset sales
as described
    

                                       16
<PAGE>

above under "Special  Programs" may be subject to a CDSL of 1% for  terminations
at the plan level only,  on  redemptions  of shares  purchased  within  eighteen
months prior to plan termination.
   
     The 1% CDSL  normally  imposed on  redemptions  of  certain  Class A shares
(i.e.,  those purchased during the preceding  eighteen months at net asset value
pursuant to the sales load  schedule  provided  under  "Class A  Shares--Initial
Sales Load") will be waived on shares that were purchased through Morgan Stanley
Dean Witter & Co. ("Morgan Stanley") by certain Chilean institutional  investors
(i.e., pension plans,  insurance companies and mutual funds). Upon redemption of
such shares within an eighteen month period,  Morgan Stanley will reimburse SFSI
a pro rata portion of the fee it received  from SFSI at the time of sale of such
shares.

     To minimize the  application  of a CDSL to a  redemption,  shares  acquired
pursuant to the  investment of dividends and capital gain  distributions  (which
are not subject to a CDSL) will be redeemed first; followed by shares held for a
period of time  longer  than the  applicable  CDSL  period.  Shares held for the
longest period of time within the applicable  CDSL period will then be redeemed.
Additionally,  for  those  shares  determined  to  be  subject  to a  CDSL,  the
application  of the CDSL will be made to the current net asset value or original
purchase  price,  whichever is less. No CDSL will be imposed on shares  acquired
through the investment of dividends or capital gain distributions from any Class
A, Class B or Class D shares of Seligman Mutual Funds.
    
     For example,  assume an investor purchased 100 Class D shares in January at
a price of $10.00 per share.  During the first year, 5 additional Class D shares
were acquired through investment of dividends and  distributions.  In January of
the following year, an additional 50 Class D shares were purchased at a price of
$12.00  per  share.  In March of that  year,  the  investor  chooses  to  redeem
$1,500.00 from the account which now holds 155 Class D shares with a total value
of  $1,898.75  ($12.25  per  share).  The  CDSL for  this  transaction  would be
calculated as follows:

Total shares to be redeemed
   (122.449 @ $12.25) as follows:...........     $1,500.00
                                                 =========
Dividend/Distribution shares
   (5 @ $12.25).............................     $   61.25
Shares held more than 1 year
   (100 @ $12.25)...........................      1,225.00
Shares held less than 1 year subject to
   CDSL (17.449 @ $12.25)...................        213.75
Gross proceeds of redemption................     $1,500.00
Less CDSL (17.449 shares @
   $12.00 = $209.39 x 1% = $2.09)...........         (2.09)
                                                 ---------
Net proceeds of redemption..................     $1,497.91
                                                 =========

     For  federal  income tax  purposes,  the amount of the CDSL will reduce the
gain or increase the loss,  as the case may be, on the amount  recognized on the
redemption of shares.

     The CDSL will be waived or reduced in the following instances:
   
     (a) on redemptions following the death or disability (as defined in section
72(m)(7) of the  Internal  Revenue Code of 1986,  as amended (the  "Code")) of a
shareholder or beneficial owner; (b) in connection with (i)  distributions  from
retirement   plans  qualified  under  section  401(a)  of  the  Code  when  such
redemptions  are  necessary to make  distributions  to plan  participants  (such
payments  include,  but are not  limited to death,  disability,  retirement,  or
separation  of  service),  (ii)  distributions  from a custodial  account  under
section 403(b)(7) of the Code or an individual retirement account (an "IRA") due
to death, disability,  minimum distribution requirements after attainment of age
701/2, or, for accounts established prior to January 1, 1998,  attainment of age
591/2,  and (iii) a tax-free return of an excess  contribution to an IRA; (c) in
whole  or in part,  in  connection  with  shares  sold to  current  and  retired
Directors of the Fund;  (d) in whole or in part, in connection  with shares sold
to any state, county, or city or any instrumentality,  department, authority, or
agency thereof,  which is prohibited by applicable investment laws from paying a
sales  load or  commission  in
    

                                       17
<PAGE>
   
connection with the purchase of shares of any registered  investment  management
company; (e) in whole or in part, in connection with systematic withdrawals; (f)
in  connection  with  participation  in the Merrill  Lynch Small  Market  401(k)
Program;  and (g) in connection with the redemption of shares of the Fund if the
Fund  is  combined  with  another  Seligman  Mutual  Fund,  or  another  similar
reorganization transaction.

     If, with respect to a redemption  of any Class A, Class B or Class D shares
sold by a dealer,  the CDSL is waived  because the  redemption  qualifies  for a
waiver as set forth above,  the dealer shall remit to SFSI promptly upon notice,
an amount  equal to the payment or a portion of the payment  made by SFSI at the
time of sale of such shares.

     SFSI may from time to time assist dealers by, among other things, providing
sales  literature  to, and holding  informational  programs  for the benefit of,
dealers'  registered  representatives.  Dealers may limit the  participation  of
registered  representatives  in such  informational  programs  by means of sales
incentive  programs  which may  require  the sale of minimum  dollar  amounts of
shares of the Seligman  Mutual Funds.  SFSI may from time to time pay a bonus or
other  incentive to dealers that sell shares of the Seligman  Mutual  Funds.  In
some  instances,  these  bonuses or  incentives  may be offered  only to certain
dealers  which  employ  registered  representatives  who have sold or may sell a
significant  amount of shares of the Fund  and/or  certain  other  mutual  funds
managed by the Manager  during a specified  period of time.  Such bonus or other
incentive may take the form of payment for travel expenses,  including  lodging,
incurred in connection with trips taken by qualifying registered representatives
and members of their families to places within or outside the United States. The
cost to SFSI of such  promotional  activities  and payments  shall be consistent
with the Rules of the National Association of Securities Dealers,  Inc., as then
in effect.
    
TELEPHONE TRANSACTIONS
   
     A shareholder with telephone transaction privileges,  AND THE SHAREHOLDER'S
BROKER/DEALER   REPRESENTATIVE,   has  the  ability  to  effect  the   following
transactions via telephone:  (i) redemption of Fund shares with proceeds sent to
the address of record (up to $50,000 per day per fund account), (ii) exchange of
Fund shares for shares of the same class of another  Seligman Mutual Fund, (iii)
change of a dividend and/or capital gain distribution option, and (iv) change of
address.  In addition,  a shareholder  who has current bank  information on file
with Seligman  Data Corp.  may redeem shares via telephone and have the proceeds
transferred   electronically   from  the  shareholder's   fund  account  to  the
shareholder's  predesignated  bank  account.  See  "Redemption  of Shares."  All
telephone  transactions  are  effected  through  Seligman  Data  Corp.  at (800)
221-2450.

     FOR INVESTORS WHO PURCHASE  SHARES BY COMPLETING  AND SUBMITTING AN ACCOUNT
APPLICATION:  Unless an election is made otherwise on the Account Application, a
shareholder and the shareholder's broker/ dealer of record, as designated on the
Account   Application,   will  automatically   receive  telephone  services.   A
shareholder  must  provide  bank  information  on the Account  Application  or a
supplemental  election form in order to have  redemptions  via telephone sent to
the shareholder's bank account.

     FOR  INVESTORS  WHO  PURCHASE  SHARES  THROUGH A  BROKER/DEALER:  Telephone
services for a shareholder and the shareholder's  representative  may be elected
by completing a supplemental  election form available from the  broker/dealer of
record.

     FOR  ACCOUNTS  REGISTERED  AS IRAS:  Telephone  services  will include only
exchanges or address changes.

     FOR CORPORATIONS OR GROUP RETIREMENT PLANS:  Telephone  redemptions are not
permitted.  Additionally,  group  retirement plans are not permitted to change a
dividend or gain distribution option. Group retirement plans that may allow plan
participants  to place  telephone  exchanges  directly  with the Fund must first
provide a letter
    

                                       18
<PAGE>
   
of  authorization  signed by the plan's  custodian  or  trustee,  and  provide a
telephone services election form signed by each plan participant.
    
     All  Seligman  Mutual Fund  accounts  with the same account  number  (i.e.,
registered  exactly the same) as an existing account,  including any new fund in
which  the  shareholder  invests  in  the  future,  will  automatically  include
telephone  services if the existing  account has telephone  services.  Telephone
services may also be elected at any time on a  supplemental  telephone  services
election form.

     For accounts registered jointly (such as joint tenancies, tenants in common
and community  property  registrations),  each owner, by accepting or requesting
telephone  services,  authorizes  each of the other  owners to effect  telephone
transactions on his or her behalf.

     During times of drastic  economic or market  changes,  a shareholder or the
shareholder's  representative may experience  difficulty in contacting  Seligman
Data Corp. to request a redemption or exchange of Fund shares via telephone.  In
these circumstances,  the shareholder or the shareholder's representative should
consider  using other  redemption or exchange  procedures.  (See  "Redemption of
Shares" below). Use of these other redemption or exchange  procedures may result
in the request being  processed at a later time than if a telephone  transaction
had been used, and the Fund's net asset value may fluctuate during such periods.

     The Fund and  Seligman  Data Corp.  will employ  reasonable  procedures  to
confirm that  instructions  communicated  by telephone  are genuine.  These will
include:  recording all telephone calls requesting  account activity,  requiring
that the caller provide certain requested personal and/or account information at
the time of the call for the purpose of establishing the caller's identity,  and
sending a written  confirmation of redemptions,  exchanges or address changes to
the address of record each time activity is initiated by  telephone.  As long as
the Fund and Seligman Data Corp. follow  instructions  communicated by telephone
that  were  reasonably  believed  to be  genuine  at the time of their  receipt,
neither  they nor any of their  affiliates  will be  liable  for any loss to the
shareholder  caused by an  unauthorized  transaction.  In any instance where the
Fund or  Seligman  Data Corp.  is not  reasonably  satisfied  that  instructions
received  by  telephone  are  genuine,  the  requested  transaction  will not be
executed,  and neither they nor any of their  affiliates  will be liable for any
losses which may occur due to a delay in implementing  the  transaction.  If the
Fund or Seligman Data Corp. does not follow the procedures  described above, the
Fund or Seligman Data Corp. may be liable for any losses due to  unauthorized or
fraudulent  instructions.  Telephone  transactions  must be  effected  through a
representative  of Seligman Data Corp.,  i.e.,  requests may not be communicated
via Seligman Data Corp.'s automated telephone answering system. Shareholders, of
course,  may refuse or cancel  telephone  services.  Telephone  services  may be
terminated by a shareholder at any time by sending a written request to Seligman
Data  Corp.  TELEPHONE  SERVICES  MAY  NOT  BE  ESTABLISHED  BY A  SHAREHOLDER'S
BROKER/DEALER  WITHOUT THE WRITTEN  AUTHORIZATION  OF THE  SHAREHOLDER.  Written
acknowledgment  of the addition of telephone  services to an existing account or
termination of telephone services will be sent to the shareholder at the address
of record.

REDEMPTION OF SHARES
   
     REGULAR REDEMPTION PROCEDURES. A shareholder may redeem shares held in book
credit  ("uncertificated") form without charge, (except a CDSL, if applicable at
any time by sending a written  request to Seligman  Data Corp.,  P.O.  Box 9759,
Providence, RI 02940-9759; or if the request is being sent by overnight delivery
service to 100 Park Avenue,  New York, NY 10017. The redemption  request must be
signed by all persons in whose name the shares are registered. A shareholder may
redeem shares that are not in book credit form without charge, except a CDSL, if
applicable,  by  surrendering  certificates  in proper form to the same address.
Certificates  should be sent  certified or registered  mail.  Return  receipt is
advisable;  however,  this may increase mailing time. Share certificates must be
endorsed for transfer or  accompanied  by an endorsed  stock power signed by all
share  owners  exactly as their  name(s) appear(s) on the account  registration.
The shareholder's letter of instruction or endorsed
    

                                       19
<PAGE>

stock power should specify the Fund name, account number,  class of shares (A, B
or D) and the number of shares or dollar amount to be redeemed.  The Fund cannot
accept  conditional  redemption  requests  (i.e.,  requests  to sell shares at a
specific price or on a future date).
   
     If the  redemption  proceeds  are (i)  $50,000 or more,  (ii) to be paid to
someone other than the shareholder of record (regardless of the amount) or (iii)
to be mailed to other than the address of record (regardless of the amount), the
signature(s) of the  shareholder(s)  must be guaranteed by an eligible financial
institution  including,  but  not  limited  to,  the  following:   banks,  trust
companies,  credit  unions,  securities  brokers and  dealers,  savings and loan
associations and participants in the Securities Transfer  Association  Medallion
Program (STAMP),  the Stock Exchanges  Medallion  Program (SEMP) or the New York
Stock Exchange Medallion Signature Program (MSP). The Fund reserves the right to
reject a signature  guarantee  where it is believed that the Fund will be placed
at risk by accepting such guarantee.  A signature guarantee is also necessary in
order to change the account registration. Notarization by a notary public is not
an  acceptable  signature  guarantee.  A signature  guarantee is not required if
redemption   proceeds  are  transferred   electronically  to  the  shareholder's
pre-designated bank account.
    

     ADDITIONAL DOCUMENTATION MAY ALSO BE REQUIRED BY SELIGMAN DATA CORP. IN THE
EVENT  OF A  REDEMPTION  BY A  CORPORATION,  EXECUTOR,  ADMINISTRATOR,  TRUSTEE,
CUSTODIAN OR RETIREMENT PLAN. FOR FURTHER INFORMATION WITH RESPECT TO REDEMPTION
REQUIREMENTS,  PLEASE CONTACT THE  SHAREHOLDER  SERVICES  DEPARTMENT OF SELIGMAN
DATA CORP. FOR ASSISTANCE.

     In the case of Class A shares,  (except  for  shares  purchased  without an
initial sales load due to the size of the purchase),  and in the case of Class B
shares  redeemed  after six years and Class D shares  redeemed after one year, a
shareholder  will  receive the net asset value per share next  determined  after
receipt  of a request in good  order.  If Class A shares  which  were  purchased
without an initial sales load because the purchase amount was $1,000,000 or more
are redeemed within eighteen months of purchase,  a shareholder will receive the
net asset  value per share next  determined  after  receipt of a request in good
order,  less a CDSL  of 1% as  described  under  "Purchase  of  Shares--Class  A
Shares--InitiaL  Sales Load" above.  If Class B shares are  redeemed  within six
years of purchase, a shareholder will receive the net asset value per share next
determined after receipt of a request in good order, less the applicable CDSL as
described  under "Purchase of Shares -- Class B Shares" above. If Class D shares
are redeemed  within one year of purchase,  a  shareholder  will receive the net
asset value per share next determined  after receipt of a request in good order,
less a CDSL of 1% as  described  under  "Purchase  of  Shares -- Class D Shares"
above.
   
     A  shareholder  also may "sell"  shares to the Fund  through an  investment
dealer and, in that way, be certain, providing the order is timely, of receiving
the net asset  value  established  at the end of the day on which the  dealer is
given the repurchase order (less any applicable  CDSL). The Fund makes no charge
for this  transaction,  but the  dealer  may  charge a  service  fee.  "Sell" or
repurchase orders received from an authorized dealer before the close of regular
trading on the NYSE (normally, 4:00 p.m. Eastern time) and received by SFSI, the
repurchase agent,  before the close of business on the same day will be executed
at the net asset value per share  determined as of the close of regular  trading
on the NYSE on that day, less any applicable  CDSL.  Repurchase  orders received
from  authorized  dealers after the close of regular  trading on the NYSE or not
received  by SFSI prior to the close of  business,  will be  executed at the net
asset  value  determined  as of the close of regular  trading on the NYSE on the
next trading  day,  less any  applicable  CDSL.  Shares held in a "street  name"
account  with  a  broker/dealer   may  be  sold  to  the  Fund  only  through  a
broker/dealer.
    

                                       20
<PAGE>
   
     TELEPHONE  REDEMPTIONS.  Telephone  redemptions  of  uncertificated  shares
payable to the  address of record may be made,  once per day, in an amount of up
to $50,000 per fund account.  Proceeds will be sent to the address of record.  A
shareholder  whose bank is a member of the ACH network and who has current  bank
information  on file with  Seligman  Data  Corp.  may have  redemption  proceeds
transferred  electronically  to the  shareholder's  predesignated  bank account.
Telephone  redemption requests received by Seligman Data Corp. at (800) 221-2450
by the close of regular trading on the NYSE (normally,  4:00 p.m.  Eastern time)
will be processed as of the close of business on that day.  Redemption  requests
by telephone will not be accepted  within 30 days  following an address  change.
IRAs, group retirement plans,  corporations and trusts for which the name of the
current trustee does not appear on the account registration are not eligible for
telephone  redemptions.  The Fund reserves the right to suspend or terminate its
telephone redemption service at any time without notice.
    
     For more  information  about telephone  redemptions  and the  circumstances
under which shareholders may bear the risk of loss for a fraudulent transaction,
see "Telephone Transactions" above.

     CHECK REDEMPTION SERVICE. The Check Redemption Service allows a shareholder
who owns or  purchases  shares  in the Fund  worth  $25,000  or more to  request
Seligman  Data  Corp.  to  provide   redemption   checks  to  be  drawn  on  the
shareholder's  account in amounts of $500 or more. The  shareholder may elect to
use this  Service on the  Account  Application  or by later  written  request to
Seligman Data Corp.  Shares for which  certificates have been issued will not be
available for redemption  under this service.  Holders of Class B shares may use
this service,  although check redemptions of Class B shares will be subject to a
CDSL.  Holders of Class D shares may use this  service  with  respect to Class D
shares held for at least one year. Use of this service is subject to Boston Safe
Deposit and Trust Co. rules and regulations covering checking accounts.

     There is no  charge  for use of  checks.  When  honoring  a check  that was
processed for payment,  Boston Safe Deposit and Trust Co. will cause the Fund to
redeem exactly  enough full and  fractional  shares from an account to cover the
amount of the check.  If shares are owned  jointly,  redemption  checks  must be
signed by all persons,  unless otherwise elected on the Account Application,  in
which case a single signature will be acceptable.

     In view of daily  fluctuations in share value,  the  shareholder  should be
certain  that the  amount of shares in the  account is  sufficient  to cover the
amount of checks written. If insufficient  shares are in the account,  the check
will be returned, marked "insufficient funds." SELIGMAN DATA CORP. WILL CHARGE A
$10.00  PROCESSING FEE FOR ANY CHECK REDEMPTION DRAFT RETURNED AS UNCOLLECTABLE.
THIS CHARGE MAY BE DEDUCTED FROM THE ACCOUNT THE CHECK WAS DRAWN AGAINST.

     Check Redemption books cannot be reordered unless the shareholder's account
has  a  value  of  $25,000  or  more  and  the  Fund  has a  certified  Taxpayer
Identification Number on file.
   
     Cancelled checks will be returned to a shareholder under separate cover the
month after they clear.  The Check  Redemption  Service may be terminated at any
time  by the  Fund  or  Boston  Safe  Deposit  and  Trust  Co.  See  "Terms  and
Conditions."

     GENERAL.  With respect to shares redeemed,  a check for the proceeds,  less
any applicable CDSL, will be sent to the address of record within seven calendar
days after acceptance of the redemption order and will be made payable to all of
the registered owners on the account.  With respect to shares repurchased by the
Fund,  a check for the proceeds  will be sent to the  investment  dealer  within
seven calendar days after  acceptance of the  repurchase  order and will be made
payable to the investment dealer. Redemptions via telephone to the shareholder's
bank account  will be  transferred  electronically  within five  business  days.
Payment  of  redemption  proceeds  will be  delayed  on  redemptions  of  shares
purchased by check (unless certified) until Seligman Data Corp.  receives notice
that the check has
    

                                       21
<PAGE>
   
cleared,  which  may be up to 15 days  from  the  credit  of the  shares  to the
shareholder's  account.  No interest is earned on the redemption proceeds during
this time.  The proceeds of a redemption or repurchase  may be more or less than
the shareholder's cost.
    
     The Fund reserves the right to redeem  shares owned by a shareholder  whose
investment  in the Fund has a value of less than a minimum  amount  specified by
the Fund's Board of Directors,  which is presently $500.  Shareholders  would be
sent a notice before the redemption is processed stating that the value of their
investment  in the Fund is less than the  specified  minimum  and that they have
sixty days to make an additional investment.

     REINSTATEMENT  PRIVILEGE.  If a shareholder redeems Class A shares and then
decides  to  reinvest  them,  or to shift  the  investment  to one of the  other
Seligman Mutual Funds, the shareholder may, within 120 calendar days of the date
of  redemption,  use  all or any  part  of the  proceeds  of the  redemption  to
reinstate,  free of an initial sales load,  all or any part of the investment in
Class A shares  of the Fund or any of the  other  Seligman  Mutual  Funds.  If a
shareholder  redeems  shares  and the  redemption  was  subject  to a CDSL,  the
shareholder  may  reinstate  all or any part of the  investment in shares of the
same class of the Fund or of any of the other  Seligman  Mutual Funds within 120
calendar days of the date of redemption  and receive a credit for the applicable
CDSL paid.  Such  investment will be reinstated at the net asset value per share
established  as of the  close  of  regular  trading  on the  NYSE on the day the
request is  received.  Seligman  Data Corp.  must be informed  that the purchase
represents a reinstated investment. REINSTATED SHARES MUST BE REGISTERED EXACTLY
AND BE OF THE SAME  CLASS AS THE  SHARES  PREVIOUSLY  REDEEMED;  AND THE  FUND'S
MINIMUM INITIAL INVESTMENT AMOUNT MUST BE MET AT THE TIME OF REINSTATEMENT.

     Generally,  exercise  of the  Reinstatement  Privilege  does not  alter the
federal income tax status of any capital gain realized on a sale of Fund shares,
but to the  extent  that any  shares  are sold at a loss  and the  proceeds  are
reinvested  in  shares  of the same  Fund,  some or all of the loss  will not be
allowed  as  a  deduction,   depending  upon  the  percentage  of  the  proceeds
reinvested.

ADMINISTRATION, SHAREHOLDER SERVICES AND DISTRIBUTION PLAN

     Under the Fund's Administration, Shareholder Services and Distribution Plan
(the "Plan"),  the Fund may pay to SFSI an administration,  shareholder services
and  distribution  fee in  respect  of the  Fund's  Class A, Class B and Class D
shares.  Payments  under  the Plan may  include,  but are not  limited  to:  (i)
compensation   to   securities   dealers  and  other   organizations   ("Service
Organizations")  for providing  distribution  assistance  with respect to assets
invested in the Fund, (ii)  compensation to Service  Organizations for providing
administration,  accounting and other shareholder  services with respect to Fund
shareholders,  and  (iii)  otherwise  promoting  the sale of shares of the Fund,
including paying for the preparation of advertising and sales literature and the
printing and  distribution  of such  promotional  materials and  prospectuses to
prospective investors and defraying SFSI's costs incurred in connection with its
marketing  efforts with respect to shares of the Fund. The Manager,  in its sole
discretion, may also make similar payments to SFSI from its own resources, which
may include the management fee that the Manager receives from the Fund.

     Under the Plan, the Fund  reimburses  SFSI for its expenses with respect to
Class A shares at an annual  rate of up to .25% of the  average  daily net asset
value of Class A  shares.  It is  expected  that  the  proceeds  from the fee in
respect  of  Class A  shares  will  be  used  primarily  to  compensate  Service
Organizations which enter into agreements with SFSI. Such Service  Organizations
will  receive  from  SFSI a  continuing  fee of up to .25% on an  annual  basis,
payable  quarterly,   of  the  average  daily  net  assets  of  Class  A  shares
attributable  to the  particular  Service  Organization  for providing  personal
service and/or the  maintenance of  shareholder  accounts.  The fee payable from
time to time is, within such limit, determined by the Directors of the Fund.


                                       22
<PAGE>


     The Plan, as it relates to Class A shares,  was approved by shareholders on
November 23, 1992 and became  effective on January 1, 1993. The Plan is reviewed
by the Directors annually. The total amount paid for the year ended December 31,
1997 in respect of the Fund's  Class A shares  pursuant to the Plan was equal to
 .24% of the Class A shares' average daily net assets.
   
     Under the Plan, the Fund  reimburses  SFSI for its expenses with respect to
Class B and  Class D  shares  at an  annual  rate of up to 1% of the  respective
average  daily net asset value of the Class B and Class D shares.  Proceeds from
the Class B distribution fees are used to pay Service Organizations a continuing
fee of up to .25% on an annual  basis of the  average net asset value of Class B
shares  attributable to particular Service  Organizations for providing personal
service and/or the maintenance of shareholder  accounts and will also be used by
SFSI  to  defray  the  expense  of  the  payment  of 4%  made  by it to  Service
Organizations  at the time of the sale of Class B  shares.  In that  connection,
SFSI has  assigned  FEP its interest in the fees payable to it in respect of the
Class B shares,  other than the portion  payable to Service  Organizations  on a
continuing basis.  Proceeds from Class D distribution fees are used primarily to
compensate Service  Organizations for administration,  shareholder  services and
distribution  assistance  (including a continuing fee of up to .25% on an annual
basis of the  average  daily net asset value of Class D shares  attributable  to
particular  Service  Organizations  for providing  personal  service  and/or the
maintenance  of  shareholder  accounts)  and will  initially  be used by SFSI to
defray the expense of the payment of 1% made by it to Service  Organizations  at
the time of the  sale.  The  amounts  expended  by SFSI in any one year upon the
initial  purchase of Class B and Class D shares may exceed the amounts  received
by it from Plan  payments  retained.  Expenses  of  administration,  shareholder
services  and  distribution  of Class B and Class D shares in one fiscal year of
the Fund may be paid from Class B and Class D Plan fees, respectively,  received
from the Fund in any other fiscal year.
    
     The Plan, as it relates to Class B shares, was approved by the Directors of
the Fund on March 21, 1996 and became  effective April 22, 1996. The Plan, as it
relates to Class D shares,  was  approved by the  Directors of the Fund on March
18, 1993 and became effective May 1, 1993. The Plan is reviewed by the Directors
annually. The total amount paid for the fiscal period ended December 31, 1997 by
the Fund's  Class B and Class D shares  pursuant to the Plan was 1% per annum of
the average daily net assets of Class B and Class D shares.

     Seligman Services,  Inc. ("SSI"), an affiliate of the Manager, is a limited
purpose broker/dealer.  SSI acts as broker/dealer of record for most shareholder
accounts  that do not have a designated  broker/dealer  of record  including all
such  shareholder   accounts  established  after  April  1,  1995  and  receives
compensation  for providing  personal  service and account  maintenance  to such
accounts of record.

EXCHANGE PRIVILEGE
   
     A shareholder of the Fund may, without charge,  exchange at net asset value
any part or all of an  investment  in the Fund for  shares  of any of the  other
Seligman  Mutual Funds.  Exchanges may be made by mail, or by telephone,  if the
shareholder has telephone services.

     Class A,  Class B and  Class D shares  may be  exchanged  only for Class A,
Class B and Class D shares, respectively, of another Seligman Mutual Fund on the
basis of relative net asset value.

     If shares  that are subject to a CDSL are  exchanged  for shares of another
Seligman   Mutual  Fund,  for  purposes  of  assessing  the  CDSL  payable  upon
disposition  of the exchanged  shares,  the  applicable  holding period shall be
reduced by the period for which the original shares were held.
    
     Class B shareholders  of the Fund  exercising  the exchange  privilege will
continue to be subject to the Fund's CDSL schedule if such schedule is higher or
longer than the CDSL schedule  relating to the new Class B shares.  In addition,
Class B shares of the Fund  acquired by  exchange  will be subject to the Fund's
CDSL  schedule  if such  schedule  is higher or  longer  than the




                                       23
<PAGE>
   
CDSL schedule  relating to the Class B shares of the fund from which such shares
were exchanged.
    
     The Seligman Mutual Funds available under the Exchange Privilege are:

     O SELIGMAN  CAPITAL  FUND,  INC.  seeks  aggressive  capital  appreciation.
Current  income is not an  objective. 

     O SELIGMAN CASH MANAGEMENT  FUND, INC. invests in high quality money market
instruments. Shares are sold at net asset value.

     O SELIGMAN  COMMON STOCK FUND,  INC.  seeks  favorable  current  income and
long-term  growth of both income and capital value without  exposing  capital to
undue risk.

     O SELIGMAN  COMMUNICATIONS  AND INFORMATION FUND, INC. invests in shares of
companies in the  communications,  information and related industries to produce
capital gain. Income is not an objective.

     O SELIGMAN  FRONTIER  FUND,  INC. seeks to produce growth in capital value;
income may be considered,  but will only be incidental to the Fund's  investment
objective.

     O SELIGMAN GROWTH FUND, INC. seeks longer-term  growth in capital value and
an increase in future  income. 

     O SELIGMAN  HENDERSON  GLOBAL FUND  SERIES,  INC.  consists of the Seligman
Henderson  International  Fund, the Seligman  Henderson  Emerging Markets Growth
Fund,  the Seligman  Henderson  Global Growth  Opportunities  Fund, the Seligman
Henderson  Global  Smaller  Companies  Fund and the  Seligman  Henderson  Global
Technology  Fund,  which  seek  long-term  capital  appreciation   primarily  by
investing in companies either globally or internationally.
   
     O SELIGMAN HIGH INCOME FUND SERIES consists of the Seligman U.S. Government
Securities  Series and the Seligman  High-Yield  Bond Series each of which seeks
high current income by investing in debt securities.
    
     O SELIGMAN MUNICIPAL FUND SERIES, INC. consists of several State Series and
a National Series. The National Municipal Series seeks to provide maximum income
exempt from regular federal income taxes;  individual state series, each seeking
to maximize  income exempt from regular  federal  income taxes and from personal
income  taxes  in  designated  states,  are  available  for  Colorado,  Georgia,
Louisiana,  Maryland,  Massachusetts,  Michigan, Minnesota,  Missouri, New York,
Ohio, Oregon and South Carolina. (Does not currently offer Class B shares.)

     O  SELIGMAN  MUNICIPAL  SERIES  TRUST  includes  the  Seligman   California
Municipal Quality Series, the Seligman California  Municipal  High-Yield Series,
the Seligman Florida Municipal Series and the Seligman North Carolina  Municipal
Series,  each of which invests in municipal  securities of its designated state.
(Does not currently offer Class B shares.)

     O SELIGMAN NEW JERSEY  MUNICIPAL FUND, INC. invests in investment grade New
Jersey municipal securities. (Does not currently offer Class B shares.)

     O SELIGMAN  PENNSYLVANIA  MUNICIPAL FUND SERIES invests in investment grade
Pennsylvania municipal securities. (Does not currently offer Class B shares.)
   
     O SELIGMAN VALUE FUND SERIES, INC. consists of the Seligman Large-Cap Value
Fund and the  Seligman  Small-Cap  Value  Fund,  each of which  seeks  long-term
capital  appreciation  by  investing  in equity  securities  of value  companies
primarily located in the U.S.

     All  permitted  exchanges  will be based  on the net  asset  values  of the
respective  funds determined at the close of regular trading on the NYSE on that
day.  Telephone  requests for exchanges received by the close of regular trading
on the NYSE (normally,  4:00 p.m.  Eastern time) by Seligman Data Corp. at (800)
221-2450,  will be processed  as of the close of business on that day.  Requests
received after the close of regular trading on the NYSE will be processed at the
net  asset  values  per  share  calculated  the  following   business  day.  The
registration  of an account  into which an exchange is made must be identical to
the  registration  of  the  account  from  which  shares  are  exchanged.   When
establishing a new account by an exchange of shares,  the shares being exchanged
must have a value of at least the  minimum  initial  investment  required by the
mutual  fund into which the  exchange  is being  made.  THE METHOD OF  RECEIVING
DISTRIBUTIONS,  UNLESS OTHERWISE INDICATED, WILL BE CARRIED OVER TO THE NEW
    

                                       24
<PAGE>
   
FUND  ACCOUNT,   AS  WILL  TELEPHONE   SERVICES.   ACCOUNT  SERVICES,   SUCH  AS
INVEST-A-CHECK(R)  SERVICE,  DIRECTED DIVIDENDS,  SYSTEMATIC WITHDRAWAL PLAN AND
CHECK WRITING  PRIVILEGE WILL NOT BE CARRIED OVER TO THE NEW FUND ACCOUNT UNLESS
SPECIFICALLY  REQUESTED  AND PERMITTED BY THE NEW FUND.  Exchange  orders may be
placed to effect an  exchange  of a specific  number of shares,  an  exchange of
shares  equal to a specific  dollar  amount or an exchange  of all shares  held.
Shares  for  which  certificates  have  been  issued  may not be  exchanged  via
telephone and may be exchanged only upon receipt of a written  exchange  request
together with certificates representing shares to be exchanged in proper form.

     The Exchange  Privilege via mail is generally  applicable to investments in
group retirement  plans,  although some restrictions may apply. The terms of the
exchange offer described  herein may be modified at any time; and not all of the
Seligman  Mutual Funds are  available to residents of all states.  Before making
any exchange,  a shareholder  should contact an authorized  investment dealer or
Seligman Data Corp. to obtain prospectuses of any of the Seligman Mutual Funds.
    
     A broker/dealer  representative  of record will be able to effect exchanges
on behalf of a shareholder  only the shareholder  has telephone  services or the
broker/dealer has entered into a Telephone  Exchange Agreement with SFSI wherein
the  broker/dealer  must agree to indemnify  SFSI and the Seligman  Mutual Funds
from any loss or liability  incurred as a result of the  acceptance of telephone
exchange orders.

     Written  confirmation of all exchanges will be forwarded to the shareholder
to whom the exchanged shares are registered and a duplicate confirmation will be
sent to the dealer of record  listed on the account.  SFSI reserves the right to
reject any telephone exchange request. Any rejected telephone exchange order may
be processed by mail. For more information about telephone exchange  privileges,
which, unless objected to, are assigned to most shareholders automatically,  and
the  circumstances  under  which  shareholders  may  bear the risk of loss for a
fraudulent transaction, see "Telephone Transactions" above.

     Exchanges  of shares are sales and may result in a gain or loss for federal
income tax purposes.

FURTHER INFORMATION ABOUT
TRANSACTIONS IN THE FUND

     Because excessive trading (including  short-term,  "market timing" trading)
can hurt the Fund's  performance,  the Fund may refuse any exchange (1) from any
shareholder  account from which there have been two  exchanges in the  preceding
three month period,  or (2) where the exchanged shares equal in value the lesser
of  $1,000,000  or 1% of the Fund's  net  assets.  The Fund may also  refuse any
exchange or purchase order from any  shareholder  account if the  shareholder or
the  shareholder's  broker/dealer  has been  advised that  previous  patterns of
purchases and redemptions or exchanges have been considered excessive.  Accounts
under common  ownership or control,  including  those with the same  taxpayer ID
number and those  administered  so as to redeem or  purchase  shares  based upon
certain predetermined market indicators, will be considered one account for this
purpose.  Additionally,  the Fund reserves the right to refuse any order for the
purchase of shares.
   
DIVIDENDS AND CAPITAL GAIN DISTRIBUTIONS

     The Fund's  net  investment  income is paid to  shareholders  in  dividends
quarterly,  usually in March,  June,  September and  December.  Payments vary in
amount  depending on income received from portfolio  securities and the costs of
operations.  The Fund distributes substantially all of any taxable net long-term
and short-term  gain realized on investments to  shareholders at least annually.
Dividends  and  capital  gain   distributions   will  generally  be  taxable  to
shareholders  in the year in which they are  declared by the Fund if paid before
February 1 of the following year.
    
     Shareholders   may  elect:   (1)  to  receive  both   dividends   and  gain
distributions in shares; (2) to receive





                                       25
<PAGE>
   
dividends  in cash  and  gain  distributions  in  shares;  (3) to  receive  both
dividends and gain  distributions in cash. Cash dividends and gain distributions
are  paid by check  and sent to the  address  of  record  or,  if  elected  by a
shareholder  who has current bank  information on file with Seligman Data Corp.,
electronically deposited into the shareholder's predesignated bank account. Such
deposits will normally be credited to the  shareholder's  bank account in 3 to 4
business days after the payable date of the dividend or gain distribution.

     In the case of prototype retirement plans, dividends and gain distributions
are reinvested in additional shares.  Unless another election is made, dividends
and capital  gain  distributions  will be credited  to  shareholder  accounts in
additional  shares.  Shares acquired through a dividend or gain distribution and
credited to a shareholder's  account are not subject to an initial sales load or
a CDSL.  Dividends  and gain  distributions  paid in shares are  invested on the
payable date using the net asset value of the ex-dividend date. Shareholders may
elect to change their dividend and gain distribution options by writing Seligman
Data Corp. at the address listed below. If the shareholder has elected telephone
services,  changes may also be telephoned  to Seligman  Data Corp.  between 8:30
a.m. and 6:00 p.m. Eastern time, by either the shareholder or the  broker/dealer
of  record  on the  account.  For  information  about  telephone  services,  see
"Telephone  Transactions."  These  elections  must be received by Seligman  Data
Corp.  before the record date for the dividend or gain  distribution in order to
be effective for such dividend or gain  distribution.  For information on how to
have   dividend  or  gain   distributions   electronically   deposited   into  a
shareholder's bank account, contact Seligman Data Corp.

     The per share  dividends from net investment  income on Class B and Class D
shares will be lower than the per share  dividends on Class A shares as a result
of the higher  distribution  fees applicable with respect to Class B and Class D
shares.  Per share dividends of the three classes may also differ as a result of
differing  class expenses.  Distributions  of net capital gains, if any, will be
paid in the same amount for Class A, Class B and Class D shares.  See  "Purchase
of Shares -- Valuation."

     Shareholders  exchanging  shares of one  mutual  fund for shares of another
Seligman  Mutual  Fund will  continue to receive  dividend  and gains as elected
prior  to  such  exchange  unless  otherwise  specified.  In  the  event  that a
shareholder  redeems  all shares in an account  between  the record date and the
payable date the value of dividends or gain distributions  declared will be paid
in cash  regardless  of the  existing  election.  A transfer  or exchange of all
shares (closing an account),  between the record date and the payable date, will
result in the value of dividends  and gain  distributions  being paid to the new
fund  account  in  accordance  with the  option on the  closed  account,  unless
Seligman Data Corp. is instructed otherwise.
    
FEDERAL INCOME TAXES

     The Fund intends to continue to qualify as a regulated  investment  company
under the Code.  For each year so  qualified,  the Fund will not be  subject  to
federal  income taxes on its net investment  income and capital  gains,  if any,
realized  during any taxable year,  which it  distributes  to its  shareholders,
provided  that at least  90% of its net  investment  income  and net  short-term
capital gains are distributed to shareholders each year.
   
     Dividends from net investment income and distributions  from net short-term
capital gains are taxable as ordinary income to  shareholders,  whether received
in cash or reinvested in additional  shares. To the extent designated as derived
from the  Fund's  dividend  income  that  would be  eligible  for the  dividends
received deduction if the Fund were not a regulated investment company, they are
eligible,  subject  to  certain  restrictions,  for the 70%  dividends  received
deduction for corporations.

     Distributions  of net  capital  gain  (i.e.,  the  excess of net  long-term
capital gains over any net short-term  losses) are taxable as long-term  capital
gain, whether received in cash or invested in additional  shares,  regardless of
how long  shares have been held by a  shareholder.  Such  distributions  are not
eligible for the dividends received deduction allowed to corporate
    

                                       26
<PAGE>
   
shareholders.  Shareholders  receiving  distributions  in the form of additional
shares  issued by the Fund will be treated  for federal  income tax  purposes as
having  received a  distribution  in an amount equal to the fair market value on
the date of distribution of the shares received. Individual shareholders will be
subject to federal income tax on distributions of net capital gains at a maximum
rate of 28% if designated as derived from the Fund's capital gains from property
held for  more  than one year  and at a  maximum  rate of 20% if  designated  as
derived from the Fund's  capital gains from property held for more than eighteen
months.

     Any gain or loss  realized  upon a sale or redemption of shares in the Fund
by a shareholder  who is not a dealer in securities will generally be treated as
a long-term  capital gain or loss if the shares have been held for more than one
year and otherwise as a short-term capital gain or loss. Individual shareholders
will be subject to federal  income tax on net capital  gain at a maximum rate of
28% in  respect of shares  held for more than one year and at a maximum  rate of
20% in respect of shares held for more than eighteen months. Net capital gain of
a corporate  shareholder is taxed at the same rate as ordinary income.  However,
if shares on which a long-term  capital gain  distribution has been received are
subsequently  sold or redeemed  and such shares have been held for six months or
less, any loss realized will be treated as long-term  capital loss to the extent
that it offsets the long-term capital gain  distribution.  In addition,  no loss
will be  allowed  on the sale or other  disposition  of  shares  of the Fund if,
within a period  beginning  30 days before the date of such sale or  disposition
and  ending 30 days  after  such  date,  the  holder  acquires  (such as through
dividend reinvestment) securities that are substantially identical to the shares
of the Fund.
    
     In  determining  gain  or loss on  shares  of the  Fund  that  are  sold or
exchanged within 90 days after acquisition,  a shareholder generally will not be
permitted to include in the tax basis attributable to such shares the sales load
incurred in acquiring such shares to the extent of any  subsequent  reduction of
the sales load by reason of the Exchange or Reinstatement  Privilege  offered by
the Fund. Any sales load not taken into account in determining  the tax basis of
shares sold or exchanged  within 90 days after  acquisition will be added to the
shareholder's  tax basis in the shares  acquired  pursuant  to the  Exchange  or
Reinstatement Privilege.
   
     The Fund will  generally be subject to an excise tax of 4% on the amount of
any income or capital  gains,  above certain  permitted  levels,  distributed to
shareholders  on a basis  such  that  such  income  or gain  is not  taxable  to
shareholders in the calendar year in which it was earned. Furthermore, dividends
declared in October, November or December payable to shareholders of record on a
specified date in such a month and paid in the following January will be treated
as having been paid by the fund and  received by each  shareholder  in December.
Under this rule,  therefore,  shareholders may be taxed in one year on dividends
or gain distributions actually received in January of the following year.
    
     Shareholders are urged to consult their tax advisors  concerning the effect
of federal income taxes in their individual circumstances.

     UNLESS A SHAREHOLDER  INCLUDES A CERTIFIED TAXPAYER  IDENTIFICATION  NUMBER
(SOCIAL  SECURITY  NUMBER  FOR  INDIVIDUALS)  ON  THE  ACCOUNT  APPLICATION  AND
CERTIFIES THAT THE SHAREHOLDER IS NOT SUBJECT TO BACKUP WITHHOLDING, THE FUND IS
REQUIRED TO WITHHOLD AND REMIT TO THE U.S.  TREASURY A PORTION OF  DISTRIBUTIONS
AND OTHER REPORTABLE PAYMENTS TO THE SHAREHOLDER. THE RATE OF BACKUP WITHHOLDING
IS 31%. SHAREHOLDERS SHOULD BE AWARE THAT, UNDER REGULATIONS  PROMULGATED BY THE
INTERNAL  REVENUE  SERVICE,  THE FUND MAY BE FINED $50 ANNUALLY FOR EACH ACCOUNT
FOR WHICH A CERTIFIED  TAXPAYER  IDENTIFICATION  NUMBER IS NOT PROVIDED.  IN THE
EVENT THAT SUCH A FINE IS  IMPOSED,  THE FUND MAY CHARGE A SERVICE  FEE OF UP TO
$50 THAT MAY BE DEDUCTED FROM THE  SHAREHOLDER'S  ACCOUNT AND OFFSET AGAINST ANY
UNDISTRIBUTED  DIVIDENDS AND CAPITAL GAIN DISTRIBUTIONS.  THE FUND ALSO RESERVES
THE  RIGHT TO CLOSE  ANY  ACCOUNT  WHICH  DOES  NOT  HAVE A  CERTIFIED  TAXPAYER
IDENTIFICATION NUMBER.



                                       27
<PAGE>


SHAREHOLDER INFORMATION
   
     Shareholders will be sent reports semi-annually regarding the Fund. General
information   about  the  Fund  may  be  requested  by  writing  the   Corporate
Communications/Investor   Relations   Department,   J.  &  W.   Seligman  &  Co.
Incorporated,  100  Park  Avenue,  New  York,  NY 10017  or by  telephoning  the
Corporate   Communications/Investor  Relations  Department  toll-free  at  (800)
221-7844 from all continental  United States,  or (212) 850-1864 in the New York
City area.  Information about  shareholder  accounts may be requested by writing
Shareholder  Services,  Seligman  Data Corp.  at the same  address or by calling
toll-free (800) 221-2450 from all continental  United States,  or (212) 682-7600
outside the  continental  United  States.  Seligman Data Corp. may be telephoned
Monday through Friday (except holidays), between the hours of 8:30 a.m. and 6:00
p.m. Eastern time, and calls will be answered by a service representative.

     24 HOUR  TELEPHONE  ACCESS IS  AVAILABLE  BY DIALING  (800)  622-4597  ON A
TOUCHTONE PHONE, WHICH PROVIDES INSTANT ACCESS TO PRICE, YIELD, ACCOUNT BALANCE,
MOST RECENT TRANSACTION AND OTHER INFORMATION.  IN ADDITION,  ACCOUNT STATEMENTS
AND FORM  1099-DIV CAN BE ORDERED.  TO INSURE  PROMPT  DELIVERY OF  DISTRIBUTION
CHECKS,  ACCOUNT STATEMENTS AND OTHER INFORMATION  SELIGMAN DATA CORP. SHOULD BE
NOTIFIED  IMMEDIATELY IN WRITING OF ANY ADDRESS  CHANGE.  ADDRESS CHANGES MAY BE
TELEPHONED TO SELIGMAN DATA CORP. IF THE SHAREHOLDER HAS TELEPHONE SERVICES. FOR
MORE INFORMATION ABOUT TELEPHONE SERVICES, SEE "TELEPHONE TRANSACTIONS" ABOVE.
    
ACCOUNT SERVICES.  Shareholders are sent confirmation of financial  transactions
in their Account. Other investor services are available. These include:
   
     INVEST-A-CHECK(R)  SERVICE  enables a shareholder  to authorize  additional
purchases of shares  automatically  by electroniC funds transfer from a checking
or savings  account,  if the bank that  maintains the account is a member of the
ACH or by preauthorized checks to be drawn on the shareholder's checking account
at regular  monthly  intervals  in fixed  amounts  of $100 or more per fund,  or
regular  quarterly  intervals  in fixed  amounts  of $250 or more per  fund,  to
purchase   shares.   Accounts   may  be   established   concurrently   with  the
Invest-A-Check(R)  Service only if  accompanied  by a check for at leasT $100 in
conjunction with the monthly  investment  option or a check for at least $250 in
conjunction  with  the  quarterly  investment  option.  For  investments  in the
Seligman Time Horizon MatrixSM Asset Allocation  Program,  the minimum amount is
$500 at regular monthly intervals or $1,000 at regular quarterly  intervals.  By
utilizing  the  Invest-A-Check(R)  Service  tO  establish  an  account,  you are
agreeing to continue the service until the Fund's minimum  investment  amount is
met.  If you elect to cancel the  Service  prior to meeting  the  minimum,  your
account may be subject to closure. (See "Terms and Conditions.")
    
     AUTOMATIC  DOLLAR-COST-AVERAGING  SERVICE permits a shareholder of Seligman
Cash  Management  Fund to  exchange  a  specified  amount,  at  regular  monthly
intervals  in fixed  amounts  of $100 or more per  fund,  or  regular  quarterly
intervals in fixed amounts of $250 or more per fund, from shares of any class of
the Cash  Management  Fund into  shares of the same class of any other  Seligman
Mutual Fund  registered in the same name.  For exchanges  into the Seligman Time
Horizon MatrixSM Asset Allocation Program, the minimum amount is $500 at regular
monthly  intervals or $1,000 at regular quarterly  intervals.  The shareholder's
Cash  Management  Fund  account  must  have a value  of at least  $5,000  at the
initiation of the service. Exchanges will be made at the public offering price.
   
     DIVIDENDS FROM OTHER  INVESTMENTS  permit a shareholder to order  dividends
payable on shares of other  companies to be paid to and  invested in  additional
shares of the Fund or  another  Seligman  Mutual  Fund.  (Dividend  checks  must
include the  shareholder's  name,  account number,  the name of the Fund and the
class of shares in which the  investment is to be made.) If the dividends are to
be invested in a new fund account,  the first  investment must meet the required
minimum purchase amount for such fund.
    

                                       28
<PAGE>

   
     A  shareholder  may also direct that  dividends  payable on shares of other
companies  be  transferred  electronically  to purchase  shares of any  Seligman
Mutual Fund,  if the other  company  provides  this  service.  See  "Purchase of
Shares" or contact Seligman Data Corp. for more information.
    

     AUTOMATIC CD TRANSFER  SERVICE  permits a shareholder to instruct a bank to
invest the proceeds of a maturing bank  certificate  of deposit ("CD") in shares
of any  designated  Seligman  Mutual  Fund.  Shareholders  who  wish to use this
service should  contact  Seligman Data Corp. or a broker to obtain the necessary
documentation.  Banks may  charge a  penalty  on CD  assets  withdrawn  prior to
maturity.  Accordingly,  it will not  normally be  advisable  to  liquidate a CD
before its maturity.
   
     SYSTEMATIC WITHDRAWAL PLAN permits payments in fixed amounts of $50 or more
at regular  intervals to be made to a shareholder  who owns or purchases  shares
worth $5,000 or more held as book credits. Payments will be sent by check to the
address  designated by the  shareholder  or, if elected by a shareholder who has
current  bank  information  on file with  Seligman  Data  Corp.,  electronically
deposited into the shareholder's  predesignated bank account. Such deposits will
normally be credited to the  shareholder's  bank account in 2 to 3 business days
after the shares are redeemed from the  shareholder's  fund account.  Holders of
Class A shares  purchased  at net asset value  because the  purchase  amount was
$1,000,000 or more should bear in mind that  withdrawals will be subject to a 1%
CDSL if made within eighteen months of purchase of such shares. Holders of Class
B and Class D shares may elect to use this plan  immediately,  although  certain
withdrawals may be subject to a CDSL. (See "Terms and Conditions.")
    

     DIRECTED  DIVIDENDS allows a shareholder to pay dividends to another person
or to direct the payment of such dividends to another  Seligman  Mutual Fund for
purchase at net asset  value.  Dividends  on Class A, Class B and Class D shares
may only be  directed  to shares of the same  class of another  Seligman  Mutual
Fund.

     OVERNIGHT  DELIVERY  to service  shareholder  requests is  available  for a
$15.00 fee which will be deducted from a shareholder's account, if requested.

     COPIES  OF  ACCOUNT  STATEMENTS  will be sent to each  shareholder  free of
charge for the  current  year and most  recent  prior  year.  Copies of year-end
statements  for prior years back to 1970 are  available  for a fee of $10.00 per
year, per account, with a maximum charge of $150 per account. Statement requests
should be forwarded, along with a check, to Seligman Data Corp.
   
     TAX-DEFERRED PLANS. Shares of the Fund may be purchased for:

     -- Individual Retirement Accounts (IRAs), including Traditional IRAs, Roth 
        IRAs and Education IRAs;
    
     -- Savings Incentive Match Plans for Employees (SIMPLE IRAs);

     -- Simplified Employee Pension Plans (SEPs);

     -- Section 401(k) Plans for corporations and their employees;

     -- Section  403(b)(7)  Plans for  employees  of public  school  systems and
certain  non-profit   organizations  who  wish  to  make  deferred  compensation
arrangements; and

     --  Money   Purchase   Pension   and   Profit   Sharing   Plans   for  sole
proprietorships, corporations and partnerships.
   
     These  types of plans may be  established  only upon  receipt  of a written
application  form.  The Fund may register an IRA investment for which an account
application has not been received as an ordinary taxable account.
    
     For more information,  write Retirement Plan Services, Seligman Data Corp.,
100 Park Avenue,  New York, NY 10017 or telephone  toll-free (800) 445-1777 from
all  continental  United  States.  You also may receive  information  through an
authorized dealer.



                                       29
<PAGE>

ADVERTISING THE FUND'S PERFORMANCE

     From time to time the Fund  advertises  its  "total  return"  and  "average
annual total return," each of which are calculated separately for Class A, Class
B and Class D shares. THESE FIGURES ARE BASED ON HISTORICAL EARNINGS AND ARE NOT
INTENDED  TO  INDICATE  FUTURE  PERFORMANCE.  The "total  return"  shows what an
investment  in shares of Class A,  Class B and  Class D of the Fund  would  have
earned over a specified  period of time (for  example,  one,  five and  ten-year
periods or since  inception)  assuming the payment of the maximum sales load, if
any, when the investment was made (or CDSL upon  redemption,  if applicable) and
that all  distributions  and dividends  paid by the Fund were  reinvested on the
reinvestment  dates during the period.  The "average annual total return" is the
annual rate  required for the initial  payment to grow to the amount which would
be received at the end of the specified  period (one, five and ten-year  periods
or since  inception of the Fund);  i.e.,  the average  annual  compound  rate of
return.  The total  return and  average  annual  total  return of Class A shares
quoted from time to time  through  December  31, 1992 have not been  adjusted to
reflect  the  deduction  of  the   administration,   shareholder   services  and
distribution  fee and  through  April 10,  1991 also have not been  adjusted  to
reflect the increase in the management fee approved by shareholders on April 10,
1991,  which fees if reflected  would reduce the performance  quoted.  The total
return and average  total return for both Class A and Class D shares for periods
prior to January 1, 1996 do not  reflect  the  increase  in the  management  fee
payable by the Fund effective on such date,  which if reflected would reduce the
performance  quoted.  Total  return and average  annual total return may also be
presented without the effect of the initial sales load or CDSL, as applicable.

     From time to time,  reference  may be made in  advertising  or  promotional
material to performance information, including mutual fund rankings, prepared by
Lipper Analytical Services,  Inc. ("Lipper"),  an independent  reporting service
which monitors the  performance of mutual funds. In calculating the total return
of the Fund's Class A, Class B and Class D shares,  the Lipper analysis  assumes
investment  of all  dividends  and  distributions  paid but  does not take  into
account  applicable sales loads. The Fund may also refer in advertisements or in
other promotional  material to articles,  comments,  listings and columns in the
financial press pertaining to the Fund's performance. Examples of such financial
and other press publications include BARRON'S,  BUSINESS WEEK,  CDA/WEISENBERGER
MUTUAL FUNDS INVESTMENT REPORT,  CHRISTIAN SCIENCE MONITOR,  FINANCIAL PLANNING,
FINANCIAL  TIMES,  FINANCIAL  WORLD,  FORBES,   FORTUNE,   INDIVIDUAL  INVESTOR,
INVESTMENT ADVISOR,  INVESTORS BUSINESS DAILY,  KIPLINGER'S,  LOS ANGELES TIMES,
MONEY MAGAZINE,  MORNINGSTAR,  INC., PENSIONS AND INVESTMENTS,  SMART MONEY, THE
NEW YORK TIMES, USA TODAY, U.S. NEWS AND WORLD REPORT,  THE WALL STREET JOURNAL,
WASHINGTON POST, WORTH MAGAZINE and YOUR MONEY.

ORGANIZATION AND CAPITALIZATION

     The  Fund  is  an  open-end  diversified   management   investment  company
incorporated  under  the laws of the  state  of  Maryland  in 1947.  The Fund is
authorized to issue 500,000,000 shares of common stock, each with a par value of
$1.00, divided into three classes. Each share of the Fund's Class A, Class B and
Class D common  stock is equal as to  earnings,  assets and  voting  privileges,
except that each class bears its own  separate  distribution  and,  potentially,
certain other class expenses and has exclusive voting rights with respect to any
matter  to which a  separate  vote of any class is  required  by the 1940 Act or
Maryland law. The Fund has adopted a plan (the  "Multiclass  Plan")  pursuant to
Rule 18f-3  under the 1940 Act  permitting  the  issuance  and sale of  multiple
classes of common stock. In accordance with the Articles of  Incorporation,  the
Board of Directors may  authorize  the creation of additional  classes of common
stock with such characteristics as are permitted by the Multiclass Plan and Rule
18f-3.  The 1940 Act requires that where more than one class exists,  each class
must be  preferred  over all other  classes in  respect  of assets  specifically
allocated to such class. Shares have  non-cumulative  voting rights, do not have
preemptive or subscription rights and are transferable.





                                       30
<PAGE>

                                    APPENDIX

MOODY'S INVESTORS SERVICE, INC.
BONDS AND NOTES

     Aaa:  Bonds which are rated Aaa are judged to be of the best quality.  They
carry the smallest degree of investment risk. Interest payments are protected by
a large or  exceptionally  stable  margin and  principal  is  secure.  While the
various  protective  elements  are  likely to  change,  such  changes  as can be
visualized are most unlikely to impair the fundamentally strong position of such
issues.

     Aa:  Bonds  which are  rated Aa are  judged  to be of high  quality  by all
standards. Together with the Aaa group they comprise what are generally known as
high-grade  bonds.  They are rated  lower  than Aaa  bonds  because  margins  of
protection may not be as large or  fluctuation of protective  elements may be of
greater  amplitude  or  there  may be  other  elements  present  which  make the
long-term risks appear somewhat larger than the Aaa securities.

     A: Bonds which are rated A possess many favorable investment attributes and
are to be considered as upper-medium-grade obligations.  Factors giving security
to principal and interest are considered  adequate,  but elements may be present
which suggest a susceptibility to impairment some time in the future.

     Baa:  Bonds and notes which are rated Baa are  considered  as medium  grade
obligations, i.e., they are neither highly protected nor poorly secured.

     Interest  payments and principal  security appear adequate for the present,
but certain  protective  elements  may be  characteristically  lacking or may be
unreliable over any great length of time.  Such bonds or notes lack  outstanding
investment  characteristics and in fact may have speculative  characteristics as
well.

     Ba:  Bonds and notes  which  are  rated Ba are  judged to have  speculative
elements;  their  future  cannot  be  considered  as  well-assured.   Often  the
protection of interest and principal payments may be very moderate and therefore
not well safeguarded during both good and bad times over the future. Uncertainty
of position characterizes bonds and notes in this class.

     B: Bonds and notes which are rated B generally lack  characteristics of the
desirable  investment.  Assurance  of  interest  and  principal  payments  or of
maintenance  of other terms of the contract  over any long period of time may be
small.

     Caa: Bonds and notes which are rated Caa are of poor standing.  Such issues
may be in default or there may be present  elements  of danger  with  respect to
principal or interest.

     Ca:  Bonds and notes  which are rated Ca  represent  obligations  which are
speculative  in high  degree.  Such  issues  are often in  default or have other
marked shortcomings.

     C: Bonds and notes which are rated C are the lowest rated class of bonds or
notes, and issues so rated can be regarded as having extremely poor prospects of
ever attaining any real investment standing.

STANDARD & POOR'S RATING SERVICE ("S&P")
BONDS

     AAA:  Debt  issues  rated  AAA have the  highest  rating  assigned  by S&P.
Capacity to pay interest and repay principal is extremely strong.




                                       31
<PAGE>

     AA:  Debt  issues  rated AA have a very high  degree  of safety  and a very
strong  capacity to pay interest and repay  principal and differ from the higher
rated issues only in small degree.

     A: Debt issues  rated A are  regarded as upper  medium  grade.  They have a
strong  degree  of safety  and  capacity  to pay  interest  and repay  principal
although  they are  somewhat  more  susceptible  in the long term to the adverse
effects of changes in circumstances and economic  conditions than debt in higher
rated categories.

     BBB: Debt issues rated BBB are regarded as having a satisfactory  degree of
safety and capacity to pay interest and repay  principal.  Whereas they normally
exhibit adequate protection parameters,  adverse economic conditions or changing
circumstances are more likely to lead to a weakened capacity to pay interest and
repay  principal  for bonds in this  category  than for  bonds in  higher  rated
categories.

     BB, B, CCC, CC:  Bonds rated BB, B, CCC and CC are regarded on balance,  as
predominantly  speculative  with  respect to capacity to pay  interest and repay
principal in  accordance  with the terms of the bond.  BB  indicates  the lowest
degree of speculation and CC the highest degree of speculation. While such bonds
will  likely  have  some  quality  and  protective  characteristics,  these  are
outweighed by large uncertainties or major risk exposures to adverse conditions.

     C: The rating C is reserved  for income bonds on which no interest is being
paid.

     D: Debt  issues  rated D are in default,  and  payment of  interest  and/or
repayment of principal is in arrears.

     NR: Indicates that no rating has been requested, that there is insufficient
information on which to base a rating  or  that  S&P  does not rate a particular
type of bond as a matter of policy.


                                       32


<PAGE>


                              TERMS AND CONDITIONS
                           GENERAL ACCOUNT INFORMATION
   
     Investments  will be made in as many  shares,  including  fractions  to the
third  decimal  place,  as can be  purchased at the net asset value plus a sales
load, if applicable, at the close of business on the day payment is received. If
a check in  payment  of a  purchase  of shares  is  dishonored  for any  reason,
Seligman Data Corp. will cancel the purchase and may redeem  additional  shares,
if any, held in the  shareholder's  account in an amount sufficient to reimburse
the Fund for any loss it may have incurred and charge a $10.00 return check fee.
Shareholders will receive dividends from investment income and any distributions
from gain realized on investments in shares or in cash,  according to the option
elected.  Dividend and gain options may be changed by  notifying  Seligman  Data
Corp.  These option  changes must be received by Seligman Data Corp.  before the
record date for the dividend or  distribution  in order to be effective for such
dividend  or  distribution.   Stock  certificates  will  not  be  issued  unless
requested.   Replacement  stock  certificates  and  certain  waiver  of  probate
procedures will be subject to a surety fee.

                            INVEST-A-CHECK(R) SERVICE

     The  Invest-A-Check(R)  Service  is  available  to  all  shareholders.  The
application is subject to acceptance by thE shareholder's bank and Seligman Data
Corp. The electronic funds transfer ("ACH debit") or preauthorized  check in the
amount specified will be drawn  automatically on the  shareholder's  bank on the
fifth day (unless  otherwise  specified) of each month (or on the prior business
day if such  day of the  month  falls  on a  weekend  or  holiday)  in  which an
investment  is scheduled and invested at the close of business on the same date.
By utilizing  the  Invest-A-Check(R)  Service tO  establish an account,  you are
agreeing to continue the service until the Fund's minimum  investment  amount is
met.  If you elect to cancel the  service  prior to meeting  the  minimum,  your
account may be subject to closure. If an ACH debit or preauthorized check is not
honored by the  shareholder's  bank,  or if the value of shares held falls below
the required minimum,  the  Invest-A-Check(R)  Service may be suspended.  In the
event that a check or ACH debit is returned  uncollectable,  Seligman Data Corp.
will cancel the purchase, redeem shares held in the shareholder's account for an
amount  sufficient  to reimburse the Fund for any loss it may have incurred as a
result, and charge a $10.00 return check fee. This fee will be deducted from the
shareholder's  account.  The  Invest-A-Check(R)  Service may be reinstated  upon
written request  indicatinG  that the cause of interruption  has been corrected.
The  Invest-A-Check(R)  Service may be terminated by the shareholder oR Seligman
Data Corp. at any time by written  notice.  The  shareholder  agrees to hold the
Fund and its agents free from all  liability  which may result from acts done in
good  faith  and  pursuant  to  these  terms.   Instructions   for  establishing
Invest-A-Check(R)  Service are given on the Account Application.  In the event a
shareholder  exchanges  all of the shares froM one mutual  fund in the  Seligman
Group to  another,  the  Invest-A-Check(R)  Service  will be  terminated  in the
Seligman  MutuaL Fund that was closed as a result of the  exchange of all shares
and the  shareholder  must  reapply  for the  Invest-A-Check(R)  Service  in the
Seligman Mutual Fund into which the exchange was made. In the event of a partial
exchange, the Invest-A-Check(R) Service will be continued,  subject to the above
conditions,  in the Seligman  Fund from which the  exchange  was made.  Accounts
established  in  conjunction   with  the   Invest-A-Check(R)   Service  must  be
accompanied  by a  check  for at  least  $100 in  connection  with  the  monthly
investment  option or a check for at least $250 in connection with the quarterly
investment option. If a shareholder uses the  Invest-A-Check(R)  Service to make
an IRA or group retirement plan  investment,  the purchase will be credited as a
current year contribution.

                           SYSTEMATIC WITHDRAWAL PLAN

     A  sufficient  number of full and  fractional  shares  will be  redeemed to
provide the amount  required for a scheduled  payment and any  applicable  CDSL.
Redemptions  will be made at the  asset  value at the close of  business  on the
specific  day of each  month  designated  by the  shareholder  (or on the  prior
business day if the day specified  falls on a weekend or holiday),  less, in the
case of Class B or Class D Shares, any applicable CDSL.  Systematic  withdrawals
of Class A shares which were  purchased at net asset value  because the purchase
amount was $1,000,000 or more will be subject to a CDSL if made within 18 months
of purchase of such shares.  Under this plan,  a Class B or Class D  shareholder
who reinvests both dividends and distributions in additional shares may withdraw
up to 12%, or 10%, respectively,  of the value of the shareholder's fund account
(at the time of election) per annum, without the imposition of a CDSL. A minimum
payment  amount  of $50  per  cycle  is  needed  to  establish  this  plan.  The
shareholder may change the amount of scheduled payments, or may suspend payments
by  written  notice  to  Seligman  Data  Corp.  at least  ten days  prior to the
effective date of such a change or suspension. The plan may be terminated by the
shareholder  or Seligman  Data Corp. at any time by written  notice.  It will be
terminated  upon proper  notification  of the death or legal  incapacity  of the
shareholder.  This plan is  considered  terminated  in the event a withdrawal of
shares, other than to make scheduled  withdrawal payments,  reduces the value of
shares remaining on deposit to less than $5,000. Continued payments in excess of
dividend   income   invested  will  reduce  and  ultimately   exhaust   capital.
Withdrawals, concurrent with purchases of shares of this or any other investment
company,  will be  disadvantageous  because of the payment of duplicative  sales
loads, if applicable.  For this reason,  additional purchases of Fund shares are
discouraged when the Withdrawal Plan is in effect.

                     LETTER OF INTENT -- CLASS A SHARES ONLY

     Seligman Financial Services, Inc. will hold in escrow shares equal to 5% of
the minimum  purchase  amount  specified.  Dividends  and  distributions  on the
escrowed  shares will be paid to the  shareholder  or credited to their  account
upon  completion of the specified  minimum  purchase  within the  thirteen-month
period,  all shares  held in escrow  will be  deposited  into the  shareholder's
account or  delivered  to the  shareholder.  A  shareholder  may include  toward
completion of a Letter of Intent the total asset value of shares of the Seligman
Mutual  Funds  on  which an  initial  sales  load was paid as of the date of the
Letter. If the total amount invested within the  thirteen-month  period does not
equal  or  exceed  the  specified  minimum  purchase,  the  shareholder  will be
requested  to pay the  difference  between the amount of the sales load paid and
the amount of the sales load  applicable to the total  purchase made. If, within
20 days following the mailing of a written  request,  a shareholder has not paid
this additional  sales load to Seligman  Financial  Services,  Inc.,  sufficient
escrowed  shares will be  redeemed  for  payment of the  additional  sales load.
Shares  remaining  in escrow after this payment will be released to the Account.
The  intended   purchase  amount  may  be  increased  at  any  time  during  the
thirteen-month  period  by  filing a  revised  Agreement  for the  same  period,
provided  that a Dealer  furnishes  evidence  that an  amount  representing  the
reduction in sales load under the new  Agreement,  which  becomes  applicable on
purchases  already  made under the original  Agreement,  will be refunded to the
Fund and that the required  additional  escrowed shares will be purchased by the
shareholder.

     Shares of  Seligman  Cash  Management  Fund which have been  acquired by an
exchange  of shares of the  Seligman  Mutual  Fund on which  there is an initial
sales load may be taken into account in  completing  a Letter of Intent,  or for
Right of  Accumulation.  However,  shares of Seligman Cash Management Fund which
have been purchased directly may not be used for purposes of determining reduced
sales loads on additional purchases of the other Seligman Mutual Funds.

                            CHECK REDEMPTION SERVICE

     The Check Redemption Service is available to Class A shareholders, to Class
B shareholders  and to Class D shareholders  with respect to Class D shares held
for one year or more.

     If shares are held in joint  names,  all  shareholders  must sign the Check
Redemption  section of the  Account  Application.  All checks  will  require all
signatures unless a lesser number is indicated in the Check Redemption  section.
Accounts in the names of corporations,  trusts, partnerships, etc. must list all
authorized signatories.

     In all  cases,  each  signator  guarantees  the  genuineness  of the  other
signature(s). Checks may not be drawn for less than $500.

     The shareholder  authorizes  Boston Safe Deposit and Trust Co. to honor the
checks drawn by the shareholder on the account of Seligman Income Fund, Inc. and
to effect a redemption  of  sufficient  shares in the  shareholder's  account to
cover  payment of the check and, in the case of Class B shares,  any  applicable
CDSL.

     Boston  Safe  Deposit  and  Trust  Co.  shall  be  liable  only for its own
negligence,  Seligman Income Fund, Inc. will not be liable for any loss, expense
or cost arising out of check  redemptions.  Seligman Income Fund, Inc.  reserves
the  right to  change,  modify  or  terminate  this  service  at any  time  upon
notification  mailed to the  address of record of the  shareholder(s).  Seligman
Data Corp.  will  charge a $10.00  service  fee for any check  redemption  draft
returned  marked  "unpaid."  This charge may be debited  from the  shareholder's
account.  No proceeds will be remitted to a  shareholder  with respect to shares
purchased by check (unless certified) until Seligman Data Corp.  Receives notice
that the  check  has  cleared  for  payment  which may be up to 15 days from the
credit of the shares to the shareholder's account.
    
                                                                            5/98


                                       33


<PAGE>


                                    SELIGMAN
                                INCOME FUND, INC.






                        SELIGMAN FINANCIAL SERVICES, INC.
                                 AN AFFILIATE OF
                                     [LOGO]
                               J.& W. SELIGMAN & CO.
                                  INCORPORATED
                                ESTABLISHED 1864
                       100 PARK AVENUE, NEW YORK, NY 10017
EQINI 5/98


<PAGE>



   
                       STATEMENT OF ADDITIONAL INFORMATION
                                   May 1, 1998
                           SELIGMAN INCOME FUND, INC.
    

                    100 Park Avenue New York, New York 10017
                     New York City Telephone (212) 850-1864
                       Toll Free Telephone (800) 221-2450
      For Retirement Plan Information - Toll-Free Telephone (800) 445-1777


   
         This Statement of Additional  Information  expands upon and supplements
the  information  contained in the current  Prospectus of Seligman  Income Fund,
Inc., (the "Fund") dated May 1, 1998. It should be read in conjunction  with the
Prospectus,  which may be  obtained  by writing or calling the Fund at the above
address or telephone numbers. This Statement of Additional Information, although
not in itself a Prospectus,  is incorporated by reference into the Prospectus in
its entirety.

         The  Fund  offers  three  classes  of  shares.  Class A  shares  may be
purchased  at net asset  value plus a sales load of up to 4.75%.  Class A shares
purchased in an amount of  $1,000,000  or more are sold without an initial sales
load but are  subject to a  contingent  deferred  sales load  ("CDSL") of 1% (of
current net asset value or original  purchase price,  whichever is less) if such
shares are redeemed within  eighteen  months of purchase.  Class B shares may be
purchased at net asset value and are subject to a CDSL,  if  applicable,  in the
following amount (as a percentage of the current net asset value or the original
purchase price,  whichever is less),  if redemption  occurs within the indicated
number of years of purchase  of such  shares:  5% (less than 1 year),  4% (1 but
less than 2 years),  3% (2 but less than 4 years), 2% (4 but less than 5 years),
1% (5  but  less  than 6  years)  and  0% (6 or  more  years).  Class  B  shares
automatically  convert  to  Class A  shares  after  approximately  eight  years,
resulting in lower  ongoing  fees.  Shares  purchased  through  reinvestment  of
dividends  and  gain   distributions   on  Class  B  shares  also  will  convert
automatically  to Class A shares along with the underlying  shares on which they
were earned.  Class D shares may be purchased at net asset value and are subject
to a CDSL of 1% if redeemed within one year of purchase.
    

         Each Class A, Class B and Class D share  represents an identical  legal
interest in the investment  portfolio of the Fund and has the same rights except
for  certain  class  expenses  and except  that Class B and Class D shares  bear
higher  ongoing fees that generally will cause the Class B and Class D shares to
have higher  expense ratios and pay lower  dividends  than Class A shares.  Each
Class has  exclusive  voting  rights  with  respect  to its  distribution  plan.
Although  holders of Class A, Class B and Class D shares  have  identical  legal
rights,  the different expenses borne by each Class will result in different net
asset  values and  dividends.  The three  classes also have  different  exchange
privileges.

                                TABLE OF CONTENTS

   
                                                 Page
Investment Objectives, Policies and Risks.......  2
Investment Limitations..........................  4
Directors and Officers..........................  5
Management and Expenses.........................  9
Administration, Shareholder Services and
  Distribution Plan............................. 10
Portfolio Transactions.......................... 11
Purchase and Redemption of Fund Shares.......... 11
Distribution Services........................... 14
Valuation....................................... 14
Performance..................................... 15
General Information............................. 17
Financial Statements............................ 17
Appendix A...................................... 18
Appendix B...................................... 20
    

EQIN1A


                                      -1-
<PAGE>


                    INVESTMENT OBJECTIVES, POLICIES AND RISKS

As stated in  the  Prospectus,  the Fund seeks primarily to provide high current
income  consistent  with  what  is  believed  to be  prudent  risk  of  capital.
Secondarily,  it also seeks to provide the  possibility of improvement in income
and capital value over the longer term. The following  information regarding the
Fund's investment policies supplements the information in the Prospectus.

LENDING OF  PORTFOLIO  SECURITIES.  The Fund may lend  portfolio  securities  to
certain institutional borrowers of securities and may invest the cash collateral
and obtain  additional  income or receive an agreed upon amount of interest from
the borrower.  Loans are subject to termination at the option of the Fund or the
borrower.  The Fund may pay  reasonable  administrative  and  custodial  fees in
connection  with a loan and may pay a negotiated  portion of the interest earned
on the cash or equivalent collateral to the borrower or placing broker. The Fund
does not have the right to vote securities on loan, but would terminate the loan
and regain the right to vote if that were  considered  important with respect to
the investment.

RIGHTS AND  WARRANTS.  The Fund may invest in common  stock  rights and warrants
believed by the Manager to provide capital  appreciation  opportunities.  Common
stock rights and warrants  received as part of a unit or attached to  securities
purchased  (i.e.,  not  separately  purchased)  are not  included  in the Fund's
investment restrictions regarding such securities.

    The  Fund  may  not  invest  in  rights  and  warrants  if,  at the  time of
acquisition, the investment in rights and warrants would exceed 5% of the Fund's
net assets,  valued at the lower of cost or market. In addition, no more than 2%
of net assets may be invested in warrants not listed on the New York or American
Stock Exchanges. For purposes of this restriction,  rights and warrants acquired
by the Fund in units or  attached  to  securities  may be  deemed  to have  been
purchased without cost.

FOREIGN CURRENCY  TRANSACTIONS.  A forward foreign currency exchange contract is
an agreement  to purchase or sell a specific  currency at a future date and at a
price set at the time the  contract  is entered  into.  The Fund will  generally
enter into forward foreign  currency  exchange  contracts to fix the U.S. dollar
value of a security it has agreed to buy or sell for the period between the date
the trade was entered into and the date the security is delivered  and paid for,
or, to hedge the U.S. dollar value of securities it owns.

    The Fund may enter  into a forward  contract  to sell or buy the amount of a
foreign  currency it believes may experience a substantial  movement against the
U.S.  dollar.  In this case the contract would  approximate the value of some or
all of the Fund's  portfolio  securities  denominated in such foreign  currency.
Under normal  circumstances,  the portfolio  manager will limit forward currency
contracts  to not greater than 75% of the Fund's  portfolio  position in any one
country as of the date the contract is entered  into.  This  limitation  will be
measured at the point the hedging transaction is entered into by the Fund. Under
extraordinary  circumstances,  the  Manager  may  enter  into  forward  currency
contracts in excess of 75% of the Fund's  portfolio  position in any one country
as of the date the contract is entered into. The precise matching of the forward
contract  amounts and the value of  securities  involved  will not  generally be
possible since the future value of such  securities in foreign  currencies  will
change as a consequence of market  involvement in the value of those  securities
between the date the forward  contract is entered  into and the date it matures.
The projection of short-term  currency market  movement is extremely  difficult,
and  the  successful  execution  of a  short-term  hedging  strategy  is  highly
uncertain.  Under  certain  circumstances,  the Fund may commit up to the entire
value  of  its  assets  which  are  denominated  in  foreign  currencies  to the
consummation  of  these  contracts.  The  Manager  will  consider  the  effect a
substantial  commitment  of its  assets to forward  contracts  would have on the
investment  program  of  the  Fund  and  its  ability  to  purchase   additional
securities.

    Except as set  forth  above and  immediately  below,  the Fund will also not
enter into such forward  contracts or maintain a net exposure to such  contracts
where the  consummation  of the  contracts  would  oblige the Fund to deliver an
amount of  foreign  currency  in excess  of the  value of the  Fund's  portfolio
securities or other assets  denominated in that currency.  The Fund, in order to
avoid excess transactions and transaction costs, may nonetheless  maintain a net
exposure  to forward  contracts  in excess of the value of the Fund's  portfolio
securities  or other assets  denominated  in that  currency  provided the excess
amount is "covered" by cash or liquid,  high-grade debt securities,  denominated
in any currency, at least equal at all times to the amount of such excess. Under
normal circumstances, consideration of the prospect for currency parties will be
incorporated  into the longer  term  investment  decisions  made with  regard to
overall  diversification  strategies.  However,  the Manager believes that it is
important to have the  flexibility to enter into such forward  contracts when it
determines that the best interests of the Fund will be served.

                                      -2-
<PAGE>

    At the  maturity  of a  forward  contract,  the  Fund  may  either  sell the
portfolio  security and make delivery of the foreign currency,  or it may retain
the security and  terminate  its  contractual  obligation to deliver the foreign
currency by purchasing an "offsetting"  contract  obligating it to purchase,  on
the same maturity date, the same amount of the foreign currency.

    As indicated above, it is impossible to forecast with absolute precision the
market value of portfolio  securities at the expiration of the forward contract.
Accordingly,  it may be necessary  for the Fund to purchase  additional  foreign
currency  on the spot  market  (and bear the  expense of such  purchase)  if the
market  value of the  security is less than the amount of foreign  currency  the
Fund is  obligated to deliver and if a decision is made to sell the security and
make delivery of the foreign currency.  Conversely,  it may be necessary to sell
on the spot market some of the foreign  currency  received  upon the sale of the
portfolio  security if its market value  exceeds the amount of foreign  currency
the Fund is obligated to deliver.  However, the Fund may use liquid,  high-grade
debt securities,  denominated in any currency,  to cover the amount by which the
value of a forward  contract  exceeds  the value of the  securities  to which it
relates.

    If the Fund  retains  the  portfolio  security  and  engages  in  offsetting
transactions,  the Fund will incur a gain or a loss (as described  below) to the
extent that there has been  movement  in forward  contract  prices.  If the Fund
engages  in an  offsetting  transaction,  it may  subsequently  enter into a new
forward  contract to sell the foreign  currency.  Should  forward prices decline
during the period  between the Fund's  entering into a forward  contract for the
sale of a foreign  currency and the date it enters into an  offsetting  contract
for the  purchase of the foreign  currency,  the Fund will realize a gain to the
extent the price of the  currency it has agreed to sell exceeds the price of the
currency it has agreed to purchase.  Should  forward prices  increase,  the Fund
will  suffer a loss to the  extent  the price of the  currency  it has agreed to
purchase exceeds the price of the currency it has agreed to sell.

    The Fund's dealing in forward foreign  currency  exchange  contracts will be
limited to the transactions described above. Of course, the Fund is not required
to enter into forward contracts with regard to its foreign  currency-denominated
securities and will not do so unless deemed appropriate by the Manager.  It also
should be realized that this method of hedging against a decline in the value of
a currency  does not  eliminate  fluctuations  in the  underlying  prices of the
securities.  It  simply  establishes  a  rate  of  exchange  at a  future  date.
Additionally, although such contracts tend to minimize the risk of loss due to a
decline in the value of a hedged currency,  at the same time, they tend to limit
any  potential  gain which  might  result  from an increase in the value of that
currency.

    Shareholders should be aware of the costs of currency  conversion.  Although
foreign exchange  dealers do not charge a fee for conversion,  they do realize a
profit based on the difference  (the "spread")  between the prices at which they
are buying and selling  various  currencies.  Thus, a dealer may offer to sell a
foreign  currency  to the Fund at one  rate,  while  offering  a lesser  rate of
exchange should the Fund desire to resell that currency to the dealer.

    Investment income received by the Fund from sources within foreign countries
may be subject to foreign income taxes withheld at the source. The United States
has entered into tax treaties with many foreign countries which entitle the Fund
to a reduced  rate of such taxes or exemption  from taxes on such income.  It is
impossible to determine  the effective  rate of foreign tax in advance since the
amounts of the Fund's  assets to be invested  within  various  countries  is not
known.

REPURCHASE  Agreements.  The Fund may  enter  into  repurchase  agreements  with
commercial banks and with  broker/dealers  to invest cash for the short-term.  A
repurchase  agreement  is an  agreement  under  which the Fund  acquires a money
market instrument,  generally a U.S. Government obligation, subject to resale at
an agreed  upon  price and date.  Such  resale  price  reflects  an agreed  upon
interest  rate  effective  for the period of time the  instrument is held by the
Fund  and is  unrelated  to the  interest  rate  on the  instrument.  Repurchase
agreements  could  involve  certain  risks in the event of  bankruptcy  or other
default by the seller, including possible delays and expenses in liquidating the
securities  underlying  the  agreement,  decline  in  value  of  the  underlying
securities  and loss of interest.  Repurchase  agreements  usually are for short
periods, such as one week or less, but may be for longer periods.  However, as a
matter of fundamental policy, the Fund will not enter into repurchase agreements
of more than one week's  duration if more than 10% of its net assets would be so
invested.  The Fund to date has not entered into any  repurchase  agreements and
has no present intention of doing so in the future.

    Except as indicated  above or as described  under  "Investment  Limitations"
below,  the foregoing  investment  policies are not fundamental and the Board of
Directors of the Fund may change such policies without the vote of a majority of
its outstanding voting securities (as defined on page 5).

                                      -3-
<PAGE>

   
PORTFOLIO TURNOVER. The Fund's portfolio turnover rate is calculated by dividing
the lesser of purchases or sales of portfolio  securities for the fiscal year by
the monthly  average value of the portfolio  securities  owned during the fiscal
year. High portfolio  turnover  involves  correspondingly  greater  transactions
costs and a possible increase in short-term capital gains or losses.  Securities
with  remaining  maturities of one year or less at the date of  acquisition  are
excluded from the calculation. The Fund's portfolio turnover rates for the years
ended December 31, 1997 and 1996 were 138.90% and 125.92%, respectively.
    

                             INVESTMENT LIMITATIONS

     Under the Fund's  fundamental  policies,  which cannot be changed except by
vote of a majority of its outstanding voting securities, the Fund may not:

o   Borrow money, except for temporary or emergency purposes in an amount not to
    exceed 15% of the value of its total assets;

o   Mortgage  or pledge any of its  assets,  except to the  extent  necessary to
    effect  permitted  borrowings  on a secured  basis and  except to enter into
    escrow  arrangements in connection with the sales of permitted call options.
    The Fund has no present  intention of selling call options,  and will not do
    so without the prior approval of the Fund's Board of Directors;

o   Purchase securities (other than closing call options) except for investment,
    buy on "margin," or sell "short";

o   Invest more than 5% of the value of its total assets,  at market  value,  in
    securities  of any  company  which,  with their  predecessors,  have been in
    operation  less  than  three  continuous  years,  provided,   however,  that
    securities guaranteed by a company that (including predecessors) has been in
    operation  at least  three  continuous  years  shall be  excluded  from this
    calculation;

o   Invest more than 5% of its total assets  (taken at market) in  securities of
    any  one  issuer,   other  than  the  U.S.   Government,   its  agencies  or
    instrumentalities, buy more than 10% of the outstanding voting securities or
    more than 10% of all the  securities of any issuer,  or invest to control or
    manage any company;

o   Invest more than 25% of total assets at market value in any one industry;

o   Invest  in  securities  issued  by other  investment  companies,  except  in
    connection with a merger, consolidation, acquisition or reorganization;*

o   Purchase or hold any real estate, including limited partnership interests in
    real  property,  except  the Fund may invest in  securities  secured by real
    estate or  interests  therein or issued by persons  (including  real  estate
    investment trusts) which deal in real estate or interests therein;

o   Purchase  or  hold  the  securities  of any  issuer,  if to  its  knowledge,
    directors or officers of the Fund individually owning beneficially more than
    0.5% of the  securities of that other company own in the aggregate more than
    5% of such securities;

o   Deal with its directors or officers,  or firms they are associated  with, in
    the purchase or sale of securities of other issuers, except as broker;

o   Purchase or sell commodities and commodity contracts;

o   Underwrite the  securities of other issuers,  except insofar as the Fund may
    be deemed an underwriter  under the  Securities Act of 1933, as amended,  in
    disposing of a portfolio security;

   
- ----------
* The Fund has applied for and received an exemptive  order from the  Securities
and  Exchange  Commission  that  would  permit  it to  purchase  shares of other
investment  companies  advised by the Manager for the limited purpose of hedging
its  obligations  in connection  with the deferred fee  arrangement  for outside
directors referred to under "Directors and Officers" below.
    


                                      -4-
<PAGE>

o   Make loans,  except loans of portfolio  securities  and except to the extent
    the purchase of notes,  bonds or other evidences of indebtedness,  the entry
    into repurchase  agreements or deposits with banks may be considered  loans;
    or

o   Write or purchase put, call, straddle or spread options except that the Fund
    may sell covered call options  listed on a national  securities  exchange or
    quoted on NASDAQ and purchase closing call options so listed or quoted.  The
    Fund has no present  intention of entering into these types of transactions,
    and will  not do so  without  the  prior  approval  of the  Fund's  Board of
    Directors.

    Under the  Investment  Company  Act of 1940 (the "1940  Act"),  a "vote of a
majority of the outstanding voting securities" of the Fund means the affirmative
vote of the lesser of (1) more than 50% of the outstanding shares of the Fund or
(2) 67% or more of the shares  present at a  shareholders'  meeting if more than
50% of the  outstanding  shares are  represented  at the meeting in person or by
proxy.

                             DIRECTORS AND OFFICERS

    Directors and officers of the Fund,  together with  information  as to their
principal business occupations during the past five years, are shown below. Each
Director who is an "interested  person" of the Fund, as defined in the 1940 Act,
is indicated by an asterisk. Unless otherwise indicated, their addresses are 100
Park Avenue, New York, NY 10017.

   
WILLIAM C. MORRIS*    Director,  Chairman of the Board, Chief Executive Officer 
 (60)                 and Chairman of the Executive Committee                   

                      Chairman, J. & W. Seligman & Co. Incorporated,  investment
                      managers  and  advisers;  Chairman  and  Chief   Executive
                      Officer,  the  Seligman  Group of  Investment   Companies;
                      Chairman,     Seligman    Financial     Services,    Inc.,
                      broker/dealer;  Seligman Services,  Inc.,   broker/dealer;
                      and Carbo  Ceramics Inc.,  ceramic  proppants  for oil and
                      gas industry;  Director, Seligman Data Corp.,  shareholder
                      service agent; Kerr-McGee Corporation, diversified  energy
                      company;  and Sarah Lawrence College; and a Member  of the
                      Board of Governors of the Investment  Company   Institute;
                      formerly, President, J. & W. Seligman & Co.  Incorporated;
                      Chairman,  Seligman Advisors,  Inc.,  advisers;   Seligman
                      Holdings,  Inc.,  holding company;  Seligman   Securities,
                      Inc., broker/dealer;  and J. & W. Seligman Trust  Company,
                      trust  company;  and Director,  Daniel  Industries   Inc.,
                      manufacturer of oil and gas metering equipment.          
                       

BRIAN T. ZINO*         Director, President and Member of the Executive Committee

(45)                   Director  and   President,   J.  &  W.   Seligman  &  Co.
                       Incorporated, investment managers and advisers; President
                       (with the exception of Seligman  Quality  Municipal Fund,
                       Inc.  and  Seligman  Select  Municipal  Fund,  Inc.)  and
                       Director or Trustee,  the  Seligman  Group of  Investment
                       Companies;  Chairman,  Seligman  Data Corp.,  shareholder
                       service agent; and Director, Seligman Financial Services,
                       Inc.,    broker/dealer;    Seligman    Services,    Inc.,
                       broker/dealer;  and  Seligman  Henderson  Co.,  advisers;
                       formerly,  Director,  Seligman Advisors,  Inc., advisers;
                       Seligman  Securities,  Inc.,  broker/dealer;  and J. & W.
                       Seligman Trust Company, trust company.


RICHARD R. SCHMALTZ*   Director and Member of the Executive Committee

(57)                   Director and Managing Director,  Director of Investments,
                       J. & W. Seligman & Co. Incorporated; Director of Seligman
                       Henderson  Co. and  Trustee  Emeritus  of Colby  College;
                       formerly,  Director,  Investment  Research at Neuberger &
                       Berman from May 1993 to September 1996 and Executive Vice
                       President of McGlinn Capital from July 1987 to May 1993.
    
                                      -5-
<PAGE>
   

JOHN R. GALVIN         Director

(68)                   Dean,  Fletcher  School  of Law and  Diplomacy  at  Tufts
                       University;  Director or Trustee,  the Seligman  Group of
                       Investment  Companies;   Chairman,  American  Council  on
                       Germany;   a  Governor   of  the   Center  for   Creative
                       Leadership;  National Committee on U.S.-China  Relations,
                       National  Defense  University;   and  the  Institute  for
                       Defense; Raytheon Co., electronics;  formerly,  Director,
                       USLIFE  Corporation,  life  insurance;  Ambassador,  U.S.
                       State    Department   for    negotiations    in   Bosnia;
                       Distinguished Policy Analyst at Ohio State University and
                       Olin Distinguished Professor of National Security Studies
                       at the United States Military Academy. From June, 1987 to
                       June, 1992, he was the Supreme Allied  Commander,  Europe
                       and  the   Commander-in-Chief,   United  States  European
                       Command.  Tufts University,  Packard Avenue,  Medford, MA
                       02155


ALICE S. ILCHMAN       Director

(63)                   President,  Sarah Lawrence College;  Director or Trustee,
                       the  Seligman  Group  of  Investment  Companies;  and the
                       Committee  for  Economic   Development;   Chairman,   The
                       Rockefeller Foundation,  charitable foundation; formerly,
                       Trustee,    The    Markle    Foundation,    philanthropic
                       organization; and Director, NYNEX, telephone company; and
                       International  Research and Exchange Board,  intellectual
                       exchanges. Sarah Lawrence College, Bronxville, NY 10708


FRANK A. McPHERSON     Director

(65)                   Director, various corporations;  Director or Trustee, the
                       Seligman  Group of Investment  Companies;  Kimberly-Clark
                       Corporation,  consumer products; Bank of Oklahoma Holding
                       Company;  Baptist Medical Center; Oklahoma Chapter of the
                       Nature Conservancy; Oklahoma Medical Research Foundation;
                       and National Boys and Girls Clubs of America;  and Member
                       of  the  Business   Roundtable  and  National   Petroleum
                       Council;  formerly,  Chairman  of  the  Board  and  Chief
                       Executive Officer,  Kerr-McGee  Corporation,  diversified
                       energy  company;  Chairman,  Oklahoma City Public Schools
                       Foundation; and Director, Federal Reserve System's Kansas
                       City  Reserve  Bank;  and the  Oklahoma  City  Chamber of
                       Commerce.  123 Robert S. Kerr Avenue,  Oklahoma  City, OK
                       73102


JOHN E. MEROW          Director

(68)                   Retired Chairman and Senior Partner, Sullivan & Cromwell,
                       law firm;  Director or  Trustee,  the  Seligman  Group of
                       Investment  Companies;   Commonwealth  Industries,  Inc.,
                       manufacturer  of  aluminum  sheet  products;  the Foreign
                       Policy  Association;  Municipal  Art Society of New York;
                       the U.S. Council for International  Business; and The New
                       York  and  Presbyterian  Hospital;   Chairman,   American
                       Australian Association; and The New York and Presbyterian
                       Hospital Care Network, Inc.; Vice-Chairman,  the U.S.-New
                       Zealand Council; Member of the American Law Institute and
                       Council on Foreign Relations. 125 Broad Street, New York,
                       NY 10004


BETSY S. MICHEL        Director

(55)                   Attorney;  Director or  Trustee,  the  Seligman  Group of
                       Investment  Companies;  Trustee,  The  Geraldine R. Dodge
                       Foundation,  charitable  foundation;  and Chairman of the
                       Board of Trustees of St. George's School  (Newport,  RI);
                       formerly,  Director,  National Association of Independent
                       Schools  (Washington,  DC). St.  Bernard's Road, P.O. Box
                       449, Gladstone, NJ 07934
    

                                      -6-
<PAGE>

   
JAMES C. PITNEY        Director

(71)                   Retired Partner,  Pitney, Hardin, Kipp & Szuch, law firm;
                       Director or Trustee,  the  Seligman  Group of  Investment
                       Companies;  and  Director,  Public  Broadcasting  Service
                       (PBS);  formerly,  Director,  Public  Service  Enterprise
                       Group, public utility. Park Avenue at Morris County, P.O.
                       Box 1945, Morristown, NJ 07962-1945


JAMES Q. RIORDAN       Director

(70)                   Director, various corporations;  Director or Trustee, the
                       Seligman  Group  of  Investment  Companies;  The  Houston
                       Exploration  Company;  The Brooklyn Museum;  The Brooklyn
                       Union   Gas   Company;   the   Committee   for   Economic
                       Development;   and  Public  Broadcasting  Service  (PBS);
                       formerly,  Co-Chairman  of the Policy  Council of the Tax
                       Foundation;    Director   and   Vice   Chairman,    Mobil
                       Corporation;  Director, Tesoro Petroleum Companies, Inc.;
                       Dow  Jones  & Co.,  Inc.;  and  Director  and  President,
                       Bekaert  Corporation.  675 Third Avenue,  Suite 3004, New
                       York, NY 10017


ROBERT L. SHAFER       Director

(65)                   Director, various corporations;  Director or Trustee, the
                       Seligman Group of Investment  Companies;  formerly,  Vice
                       President,  Pfizer Inc.,  pharmaceuticals;  and Director,
                       USLIFE Corporation, life insurance. 235 East 42nd Street,
                       New York, NY 10017


JAMES N. WHITSON       Director

(63)                   Director, Sammons Enterprises, Inc.; Director or Trustee,
                       the Seligman Group of Investment  Companies;  C-SPAN; and
                       CommScope,   Inc.,   manufacturer   of  coaxial   cables;
                       formerly,  Executive Vice  President and Chief  Operating
                       Officer, Sammons Enterprises,  Inc.; and Red Man Pipe and
                       Supply Company,  piping and other materials.  5949 Sherry
                       Lane, Suite 1900, Dallas, TX 75225


CHARLES C. SMITH, JR.  Vice President and Portfolio Manager

(41)                   Managing  Director  (formerly,  Senior Vice President and
                       Senior  Investment  Officer),  J.  & W.  Seligman  &  Co.
                       Incorporated,  investment  managers  and  advisers;  Vice
                       President  and  Portfolio  Manager,  two  other  open-end
                       investment  companies in the Seligman Group of Investment
                       Companies  and  Tri-Continental  Corporation,  closed-end
                       investment company.


LAWRENCE P. VOGEL      Vice President

(41)                   Senior Vice  President,  Finance,  J. & W. Seligman & Co.
                       Incorporated,  investment managers and advisers; Seligman
                       Financial  Services,  Inc.,  broker/dealer;  and Seligman
                       Data Corp.,  shareholder  service agent;  Vice President,
                       the Seligman Group of Investment Companies;  and Seligman
                       Services, Inc.,  broker/dealer;  and Treasurer,  Seligman
                       Henderson Co., advisers; formerly, Senior Vice President,
                       Seligman  Advisors,   Inc.,   advisers;   and  Treasurer,
                       Seligman Holdings, Inc., holding company.
    

                                      -7-
<PAGE>

   
FRANK J. NASTA         Secretary

(33)                   Senior Vice  President,  Law and Regulation and Corporate
                       Secretary,   J.  &  W.   Seligman  &  Co.   Incorporated,
                       investment managers and advisers; Secretary, the Seligman
                       Group  of  Investment   Companies;   Seligman   Financial
                       Services,  Inc.,  broker/dealer;  Seligman Henderson Co.,
                       advisers;  Seligman Services,  Inc.,  broker/dealer;  and
                       Seligman Data Corp., shareholder service agent; formerly,
                       Senior Vice  President,  Law and Regulation and Corporate
                       Secretary,  Seligman  Advisors,  Inc.,  advisers;  and an
                       attorney at Seward and Kissel, law firm.


THOMAS G. ROSE         Treasurer

(40)                   Treasurer,  the Seligman  Group of Investment  Companies;
                       and Seligman Data Corp., shareholder service agent.
    

    The  Executive  Committee  of the Board acts on behalf of the Board  between
meetings to determine the value of  securities  and assets owned by the Fund for
which no market  valuation is available and to elect or appoint  officers of the
Fund to serve until the next meeting of the Board.

<TABLE>
<CAPTION>

                               Compensation Table
                               ------------------
                                                                                Pension or
                                                     Aggregate             Retirement Benefits         Total Compensation
                                                   Compensation             Accrued as part of            from Fund and
         Position With Fund                        from Fund (1)              Fund Expenses            Fund Complex (1)(2)
         ------------------                        -------------              -------------            -------------------
<S>                                                <C>                            <C>                       <C>
   
William C. Morris, Director and 
Chairman                                                N/A                        N/A                         N/A
Brian T. Zino, Director and President                   N/A                        N/A                         N/A
Richard R. Schmaltz, Director                           N/A                        N/A                         N/A
Fred E. Brown, Director Emeritus**                      N/A                        N/A                         N/A
John R. Galvin, Director                            $1,683.01                      N/A                      $69,000.00
Alice S. Ilchman, Director                           1,615.38                      N/A                       65,000.00
Frank A. McPherson, Director                         1,651.09                      N/A                       66,000.00
John E. Merow, Director                              1,615.38                      N/A                       65,000.00
Betsy S. Michel, Director                            1,683.01                      N/A                       69,000.00
James C. Pitney, Director                            1,604.74                      N/A                       64,000.00
James Q. Riordan, Director                           1,661.73                      N/A                       67,000.00
Robert L. Shafer, Director                           1,661.73                      N/A                       67,000.00
James N. Whitson, Director                           1,672.37(d)                   N/A                       68,000.00(d)
</TABLE>
- ----------------------
(1) Based on  remuneration  received by the  Directors  of the Fund for the year
ended  December 31, 1997.  Effective  January 16, 1998,  the per meeting fee for
Directors  was  increased by $1,000,  which is allocated  among all Funds in the
Fund Complex.

(2) As  defined in the  Fund's  Prospectus,  the  Seligman  Group of  Investment
Companies consists of eighteen investment companies.

** Retired as Director and designated Director Emeritus on March 20, 1997.

(d) Deferred.

     The Fund has a compensation  arrangement  under which outside directors may
elect to defer receiving their fees. Under this arrangement, interest is accrued
on the deferred  balances.  The annual cost of such  interest is included in the
directors' fees and expenses, and the accumulated balance thereof is included in
"Liabilities" in the Fund's financial  statements.  As of December 31, 1997, the
total amount of deferred compensation (including interest) payable in respect of
the Fund to Mr.  Whitson was $14,822.  Messrs.  Merow and Pitney no longer defer
current  compensation;  however,  they have accrued
    
                                      -8-
<PAGE>


   
deferred compensation in the amounts of $51,281 and $43,330, respectively, as of
December 31, 1997. The Fund has applied for and received  exemptive  relief that
would permit a director who has elected  deferral of his or her fees to choose a
rate of return  equal to either (i) the  interest  rate on  short-term  Treasury
bills,  or (ii)  the  rate of  return  on the  shares  of any of the  investment
companies advised by the Manager,  as designated by the director.  The Fund may,
but is not obligated to, purchase  shares of such investment  companies to hedge
its obligations in connection with this deferral arrangement.

    Directors  and  officers  of the Fund are also  directors  or  trustees  and
officers of some or all of the other investment companies in the Seligman Group.
Directors  and  officers of the Fund as a group owned less than 1% of the Fund's
Class A Capital  Stock at March 31,  1998.  As of that  date,  no  Directors  or
officers owned shares of the Fund's Class D Capital Stock.

    As of March 31, 1998,  1,466,685  Class A shares of the Fund or 8.21% of the
Fund's  Class A capital  stock  and  6.16% of the  Fund's  capital  stock,  then
outstanding;  and  1,320,575  Class D shares  or 25.40%  of the  Fund's  Class D
capital  stock and 5.55% of the  Fund's  capital  stock then  outstanding;  were
registered in the name of Merrill  Lynch Pierce Fenner & Smith,  P.O. Box 45286,
Jacksonville, FL 32232-5286.
    

                             MANAGEMENT AND EXPENSES

    Under the  Management  Agreement,  dated December 29, 1988, as amended April
10, 1991, and January 1, 1996, subject to the control of the Board of Directors,
J. & W. Seligman & Co.  Incorporated  (the "Manager")  manages the investment of
the  assets of the  Fund,  including  making  purchases  and sales of  portfolio
securities  consistent with the Fund's investment  objectives and policies,  and
administers its business and other affairs.  The Manager  provides the Fund with
such office  space,  administrative  and other  services and executive and other
personnel  as are  necessary  for Fund  operations.  The Manager pays all of the
compensation  of directors of the Fund who are employees or  consultants  of the
Manager and of the officers and employees of the Fund. The Manager also provides
senior management for Seligman Data Corp., the Fund's shareholder service agent.

   
    The Fund pays the  Manager a  management  fee for its  services,  calculated
daily and payable  monthly.  The  management  fee is equal to .60% of the Fund's
average  daily net  assets on the first $1 billion  of net  assets,  .55% of the
Fund's average daily net assets on the next $1 billion of net assets and .50% of
the Fund's average daily net assets in excess of $2 billion.  The management fee
amounted to $2,192,400  in 1997,  $2,342,764  in 1996,  and  $1,836,072 in 1995,
which was equivalent to annual rates of .60%,  .60% and .48%,  respectively,  of
the Fund's  average net assets in 1997,  1996 and 1995. The Manager paid fees to
Seligman Henderson Co., pursuant to a subadvisory  contract no longer in effect,
of $271,414,  $248,704 and $175,819 for the years ended December 31, 1997,  1996
and 1995, respectively.
    

    The Fund pays all its  expenses  other  than those  assumed by the  Manager,
including  brokerage  commissions,  administration,   shareholder  services  and
distribution  fees,  fees and expenses of  independent  attorneys  and auditors,
taxes and governmental  fees including fees and expenses for qualifying the Fund
and  its  shares  under  Federal  and  state  securities  laws,  cost  of  stock
certificates  and expenses of repurchase  or  redemption of shares,  expenses of
printing and distributing reports,  notices and proxy materials to shareholders,
expenses of printing and filing reports and other  documents  with  governmental
agencies,  expenses  of  shareholders'  meetings,  expenses  of  corporate  data
processing and related  services,  shareholder  record  keeping and  shareholder
account  services,  fees and  disbursements  of transfer  agents and custodians,
expenses  of  disbursing  dividends  and  distributions,  fees and  expenses  of
directors  of the Fund not employed by (or serving as a Director of) the Manager
or its  affiliates,  insurance  premiums  and  extraordinary  expenses  such  as
litigation expenses.

    The Management Agreement was initially approved by the Board of Directors on
September 30, 1988 and by the shareholders at a special meeting held on December
16, 1988. The amendments to the Management Agreement,  effective April 10, 1991,
to increase  the fee rate payable to the Manager by the Fund,  were  approved by
the Board of Directors on January 17, 1991 and by the  shareholders at a special
meeting held on April 10, 1991.  The  amendments  to the  Management  Agreement,
effective January 1, 1996 to increase the fee rate payable to the Manager by the
Fund were  approved by the Board of Directors  on September  21, 1995 and by the
shareholders  at a special  meeting held on December 12,  1995.  The  Management
Agreement  will  continue in effect  until  December 31 of each year if (1) such
continuance  is approved in the manner  required by the 1940 Act (by a vote of a
majority of the Board of Directors or of the  outstanding  voting  securities of
the Fund and by a vote of a majority of the Directors who are not parties to the
Management  Agreement  or  interested  persons of any such party) and (2) if the
Manager  shall not have  notified the Fund at least 60 days prior to December 31
of any year that it does not desire such continuance.  The Management  Agreement
may be terminated by the Fund,  without  penalty,  on 60 days' written notice to
the Manager and will terminate automatically in the event of its assignment. The
Fund

                                      -9-
<PAGE>

has agreed to change its name upon  termination of the  Management  Agreement if
continued use of the name would cause  confusion in the context of the Manager's
business.

    The Manager is a successor firm to an investment banking business founded in
1864 which has thereafter provided investment services to individuals, families,
institutions  and  corporations.  On  December  29,  1988,  a  majority  of  the
outstanding  voting  securities of the Manager was  purchased by Mr.  William C.
Morris and a simultaneous recapitalization of the Manager occurred. See Appendix
B for further history of the Manager.

       

   
    Officers,  directors and employees of the Manager are permitted to engage in
personal securities  transactions,  subject to the Manager's Code of Ethics (the
"Ethics  Code").  The Ethics Code  proscribes  certain  practices with regard to
personal securities transactions and personal dealings, provides a framework for
the  reporting  and  monitoring  of  personal  securities  transactions  by  the
Manager's  Compliance  Officer,  and sets forth a procedure of identifying,  for
disciplinary  action,  those individuals who violate the Ethics Code. The Ethics
Code  prohibits  each of the officers,  directors and employees  (including  all
portfolio  managers) of the Manager from purchasing or selling any security that
the officer,  director or employee knows or believes (i) was  recommended by the
Manager  for  purchase  or sale by any client,  including  the Fund,  within the
preceding two weeks, (ii) has been reviewed by the Manager for possible purchase
or sale within the preceding two weeks,  (iii) is being purchased or sold by any
client, (iv) is being considered by a research analyst, (v) is being acquired in
a private placement,  unless prior approval has been obtained from the Manager's
Compliance  Officer,  or (vi) is being  acquired  during an initial or secondary
public   offering.   The  Ethics  Code  also   imposes  a  strict   standard  of
confidentiality  and requires  portfolio  managers to disclose any interest they
may have in the  securities  or issuers that they  recommend for purchase by any
client.
    

    The Ethics Code also  prohibits (i) each  portfolio  manager or member of an
investment  team from  purchasing or selling any security  within seven calendar
days of the  purchase or sale of the security by a client's  account  (including
investment  company accounts) for which the portfolio manager or investment team
manages and (ii) each employee  from engaging in short-term  trading (a purchase
and sale or vice-versa  within 60 days). Any profit realized  pursuant to either
of these prohibitions must be disgorged.

    Officers,  directors and  employees are required,  except under very limited
circumstances,  to  engage  in  personal  securities  transactions  through  the
Manager's order desk. The order desk maintains a list of securities that may not
be purchased due to a possible  conflict with clients.  All officers,  directors
and employees are also required to disclose all securities beneficially owned by
them on December 31 of each year.

           ADMINISTRATION, SHAREHOLDER SERVICES AND DISTRIBUTION PLAN

    The  Fund  has  adopted  an   Administration,   Shareholder   Services   and
Distribution  Plan for each Class (the "Plan") in accordance  with Section 12(b)
of the 1940 Act and Rule 12b-1 thereunder.

    The Plan was  approved  on July 16,  1992 by the Board of  Directors  of the
Fund, including a majority of the Directors who are not "interested persons" (as
defined  in the  1940  Act) of the  Fund  and who  have no  direct  or  indirect
financial  interest in the operation of the Plan or in any agreement  related to
the Plan (the  "Qualified  Directors")  and was approved by  shareholders of the
Fund at a Special  Meeting of  Shareholders  held on November 23, 1992. The Plan
became  effective in respect of the Class A shares on January 1, 1993.  The Plan
was  approved in respect of the Class B shares on March 21, 1996 by the Board of
Directors  of the Fund,  including a majority of the  Qualified  Directors,  and
became  effective in respect of the Class B shares on April 22,  1996.  The Plan
was  approved in respect of the Class D shares on March 18, 1993 by the Board of
Directors  of the Fund,  including a majority of the  Qualified  Directors,  and
became  effective in respect of the Class D shares on May 1, 1993. The Plan will
continue in effect through  December 31 of each year so long as such continuance
is approved  annually by a majority vote of both the Directors and the Qualified
Directors  of the Fund,  cast in person at a meeting  called for the  purpose of
voting on such approval.  The Plan may not be amended to increase materially the
amounts  payable to Service  Organizations  with respect to a Class  without the
approval of a majority of the outstanding voting securities of the Class. If the
amount  payable in respect of Class A shares  under the Plan is  proposed  to be
increased materially,  the fund will either (i) permit holders of Class B shares
to vote as a separate  class on the  proposed  increase or (ii)  establish a new
class of shares  subject to the same payment under the Plan as existing  Class A
shares,  in which case the Class B shares will  thereafter  convert into the new
class instead of into Class A shares.  No material  amendment to the Plan may be
made except by a majority of both the Directors and Qualified Directors.

                                      -10-
<PAGE>

   
    For the year ended  December 31, 1997,  Seligman  Financial  Services,  Inc.
("SFSI"),  an affiliate of the Manager,  received payments of $674,872 under the
Plan in respect of Class A shares,  or 0.24% per annum of the average  daily net
assets  of Class A  shares.  This  amount  was  used  primarily  to pay  Service
Organizations  on a continuing  basis for  providing  personal  services  and/or
maintenance of shareholder accounts.  For the year ended December 31, 1997, fees
incurred by the Fund in respect of Class B shares amounted to $54,805,  or 1.00%
per annum of the  average  daily net assets of Class B shares.  Of this  amount,
0.725% per annum was paid directly to FEP Capital, L.P. ("FEP") to compensate it
for having  funded,  at the time of sale (i) the 4%  commission  paid to selling
brokers and (ii) a payment of 0.25% of sales to SFSI;  0.025% per annum was paid
to SFSI; and the remaining 0.25% per annum was paid to SFSI which, in turn, made
an equal payment to Service Organizations for providing personal services and/or
maintenance of shareholder accounts.  For the year ended December 31, 1997, fees
incurred in respect of Class D shares  amounted to $781,422,  or 1.00% per annum
of the average daily net assets of Class D shares.  This amount was paid to SFSI
and, in the first twelve months after a sale, reimbursed it primarily for the 1%
payment  made to  dealers  at the  time of sale  and for  certain  other  direct
distribution costs. After the first twelve months, fees paid to SFSI are used to
pay a continuing fee to Service Organizations.
    

The Plan requires that the Treasurer of the Fund shall provide to the Directors,
and the Directors  shall review,  at least  quarterly,  a written  report of the
amounts  expended  (and  purposes  therefor)  under the Plan.  Rule  12b-1  also
requires that the selection and nomination of Directors who are not  "interested
persons" of the Fund be made by such disinterested Directors.

                             PORTFOLIO TRANSACTIONS

   
    The  Management  Agreement  recognizes  that  in the  purchase  and  sale of
portfolio  securities  the  Manager  will  seek the  most  favorable  price  and
execution,  and,  consistent  with that policy,  may give  consideration  to the
research,  statistical and other services furnished by brokers or dealers to the
Manager for its use, as well as to the  general  attitude  toward and support of
investment  companies  demonstrated  by such brokers or dealers.  Such  services
include  supplemental  investment  research,  analysis  and  reports  concerning
issuers, industries and securities deemed by the Manager to be beneficial to the
Fund.  In addition,  the Manager is  authorized to place orders with brokers who
provide supplemental investment and market research and statistical and economic
analysis  although  the use of such  brokers  may  result in a higher  brokerage
charge  to the Fund  than the use of  brokers  selected  solely  on the basis of
seeking the most  favorable  price and  execution and although such research and
analysis may be useful to the Manager in connection with its services to clients
other than the Fund.
    

    In  over-the-counter  markets,  the Fund deals with  primary  market  makers
unless a more  favorable  execution or price is believed to be  obtainable.  The
Fund may buy securities  from or sell securities to dealers acting as principal,
except dealers with which its directors and/or officers are affiliated.

    When two or more of the investment  companies in the Seligman Group or other
investment  advisory  clients  of the  Manager  desire  to buy or sell  the same
security at the same time the securities  purchased or sold are allocated by the
Manager in a manner  believed  to be  equitable  to each.  There may be possible
advantages or  disadvantages of such  transactions  with respect to price or the
size of positions readily obtainable or saleable.

   
    Total brokerage  commissions paid to others for the execution,  research and
statistical  services for the years ended December 31, 1997,  1996 and 1995 were
$298,513, $86,967 and $173,123, respectively.
    

                     PURCHASE AND REDEMPTION OF FUND SHARES

    The Fund issues three classes of shares:  Class A shares may be purchased at
a price equal to the next  determined  net asset  value per share,  plus a sales
load.  Class A shares purchased at net asset value without an initial sales load
due to the size of the  purchase  are subject to a CDSL of 1% if such shares are
redeemed within eighteen months of purchase.  Class B shares may be purchased at
a price equal to the next  determined  net asset value  without an initial sales
load, but a CDSL may be charged on redemptions within 6 years of purchase. Class
D shares may be  purchased  at a price  equal to the next  determined  net asset
value  without an initial sales load,  but a CDSL may be charged on  redemptions
within one year of purchase. See "Alternative Distribution System," "Purchase of
Shares" and "Redemption of Shares" in the Prospectus.

                                      -11-
<PAGE>

SPECIMEN PRICE MAKE-UP

     Under  the  current  distribution  arrangements  between  the  Fund and the
Distributor,  Class A shares are sold at a maximum sales load of 4.75% and Class
B and Class D shares  are sold at net asset  value.  Using the  Fund's net asset
value at December 31, 1997,  the maximum  offering price of the Fund's shares is
as follows:

   
     CLASS A

     Net   asset   value per Class A share..........................   $ 14.81

     Maximum  sales load (4.75% of offering price)..................      0.74
                                                                       -------

     Offering  price  to public.....................................   $ 15.55
                                                                       =======

     CLASS B

     Net   asset   value and  offering  price per share*...........    $ 14.79
                                                                       =======

     CLASS D

     Net   asset   value and  offering  price per share**.........     $ 14.78
                                                                       =======

- -----------
*  Class B shares  are  subject  to a CDSL  declining  from 5% in the first year
   after purchase to 0% after six years.
** Class D shares are subject to a CDSL of 1% on redemptions  within one year of
   purchase. See "Redemption of Shares" in the Prospectus.
    

CLASS A SHARES - REDUCED INITIAL SALES LOADS

REDUCTIONS  AVAILABLE.  Shares of any Seligman  Fund sold with an initial  sales
load in a continuous offering will be eligible for the following reductions:

    VOLUME  DISCOUNTS are provided if the total amount being invested in Class A
shares of the Fund alone,  or in any combination of shares of the other Seligman
Mutual Funds which are sold with an initial sales load, reaches levels indicated
in the sales load schedule set forth in the Prospectus.

   
    THE RIGHT OF  ACCUMULATION  allows an investor  to combine the amount  being
invested in Class A shares of the Fund and any  Seligman  Mutual Funds sold with
an initial  sales load with the total net asset  value of shares  already  owned
that were sold with an initial  sales load,  including  shares of Seligman  Cash
Management Fund that were acquired by the investor through an exchange of shares
of another  Seligman  Mutual Fund on which there was an initial  sales load,  to
determine reduced sales loads in accordance with the schedule in the Prospectus.
The value of the shares  owned,  including  the value of shares of Seligman Cash
Management  Fund  acquired in an exchange of shares of another  Seligman  Mutual
Fund on which there was an initial  sales load at the time of  purchase  will be
taken into account in orders placed through a dealer,  however,  only if SFSI is
notified by an investor or a dealer of the amount  owned by the  investor at the
time the  purchase is made and is  furnished  sufficient  information  to permit
confirmation.
    

    A LETTER OF INTENT  allows an  investor  to  purchase  Class A shares over a
13-month period at reduced initial sales loads in accordance with the sales load
schedule in the  Prospectus,  based on the total amount of Class A shares of the
Fund that the letter  states an investor  intends to purchase plus the total net
asset  value of shares  sold with an initial  sales  load of the other  Seligman
Mutual Funds  already  owned and the total net asset value of shares of Seligman
Cash  Management  Fund which were  acquired  through  an  exchange  of shares of
another  Seligman  Mutual  Fund on which  there was a sales  load at the time of
purchase.  Reduced initial sales loads also may apply to purchases made within a
13-month  period starting up to 90 days before the date of execution of a letter
of intent.  For more  information  concerning the terms of the letter of intent,
see "Terms and Conditions - Letter of Intent Class A Shares Only" in the back of
the Prospectus.

                                      -12-
<PAGE>

    Class A shares  purchased  without an initial sales load in accordance  with
the sales  load  schedule  in the Fund's  prospectus,  or  pursuant  to a Volume
Discount,  Right of Accumulation or Letter of Intent are subject to a CDSL of 1%
on redemptions of such shares within eighteen months of purchase.

PERSONS  ENTITLED  TO  REDUCTIONS.  Reductions  in initial  sales loads apply to
purchases  of Class A shares  by a "single  person,"  including  an  individual;
members of a family  unit  comprising  husband,  wife and minor  children;  or a
trustee or other fiduciary  purchasing for a single fiduciary account.  Employee
benefit plans qualified under Section 401 of the Internal Revenue Code, of 1986,
as amended,  organizations  tax exempt  under  Section  501(c)(3)  or (13),  and
non-qualified   employee   benefit  plans  that  satisfy  uniform  criteria  are
considered  "single  persons"  for this  purpose.  The uniform  criteria  are as
follows:

    1.  Employees  must  authorize  the  employer,  if requested by the Fund, to
receive in bulk and to distribute to each participant on a timely basis the Fund
prospectus, reports and other shareholder communications.

    2.  Employees  participating  in a plan  will be  expected  to make  regular
periodic  investments (at least annually).  A participant who fails to make such
investments  may be dropped  from the plan by the employer or the Fund 12 months
and 30 days after the last regular investment in his account. In such event, the
dropped participant would lose the discount on share purchases to which the plan
might then be entitled.

    3. The employer  must solicit its  employees  for  participation  in such an
employee  benefit plan or authorize  and assist an  investment  dealer in making
enrollment solicitations.

ELIGIBLE  EMPLOYEE  BENEFIT  PLANS  The table of sales  loads in the  Prospectus
applies  to sales to  "eligible  employee  benefit  plans,"  (as  defined in the
Prospectus) except that the Fund may sell shares at net asset value to "eligible
employee  benefit  plans"  which  have at least  (i)  $500,000  invested  in the
Seligman  Group of Mutual Funds or (ii) 50 eligible  employees to whom such plan
is  made  available.  Such  sales  must be made  in  connection  with a  payroll
deduction  system of plan funding or other  systems  acceptable to Seligman Data
Corp., the Fund's shareholder  service agent. Such sales are believed to require
limited  sales effort and  sales-related  expenses and therefore are made at net
asset value.  Contributions or account  information for plan  participation also
should be  transmitted  to  Seligman  Data Corp.  by methods  which it  accepts.
Additional information about "eligible employee benefit plans" is available from
investment dealers or SFSI.

PAYMENT IN Securities.  In addition to cash,  the Fund may accept  securities in
payment for Fund shares sold at the applicable  public offering price (net asset
value plus any  applicable  sales  load)  although  the Fund does not  presently
intend to accept securities in payment for Fund shares. Generally, the Fund will
only consider  accepting  securities (l) to increase its holdings in a portfolio
security,  or (2) if the Manager  determines  that the offered  securities are a
suitable  investment  for the  Fund and in a  sufficient  amount  for  efficient
management.  Although no minimum has been  established,  it is expected that the
Fund would not accept securities with a value of less than $100,000 per issue in
payment  for  shares.  The Fund may reject in whole or in part offers to pay for
Fund shares with securities,  may require partial payment in cash for applicable
sales loads, and may discontinue accepting securities as payment for Fund shares
at any time without notice.  The Fund will not accept  restricted  securities in
payment  for  shares.  The Fund will  value  accepted  securities  in the manner
provided for valuing portfolio  securities of the Fund. Any securities  accepted
by the Fund in  payment  for Fund  shares  will have an active  and  substantial
market and have a value which is readily ascertainable. (See "Valuation.")

   
    FURTHER TYPES OF  REDUCTIONS.  Class A shares also may be issued  without an
initial sales load in connection  with the  acquisition  of cash and  securities
owned by other  investment  companies  and personal  holding  companies;  to any
registered  unit investment  trust which is the issuer of periodic  payment plan
certificates, the net proceeds of which are invested in fund shares; to separate
accounts  established  and  maintained by an insurance  company which are exempt
from  registration  under  Section  3(c)(11)  of the  1940  Act;  to  registered
representatives  and  employees  (and their  spouses and minor  children) of any
dealer that has a sales  agreement  with SFSI;  to financial  institution  trust
departments;   to  registered   investment  advisers  exercising   discretionary
investment authority with respect to the purchase of Fund shares; to accounts of
financial  institutions or broker/dealers  that charge account  management fees,
provided the manager or one of its affiliates has entered into an agreement with
respect to such accounts;  pursuant to sponsored arrangements with organizations
which make  recommendations to or permit group  solicitations of, its employees,
members or  participants  in connection with the purchase of shares of the Fund;
to  other  investment  companies  in the  Seligman  Group in  connection  with a
deferred  fee  arrangement  for outside  directors;  and to  "eligible  employee
benefit plans" which have at least (i) $500,000  invested in the Seligman Mutual
Funds  or (ii)  50  eligible  employees  to whom  such  plan is made  available.
"Eligible  employee benefit plan" means 
    


                                      -14-
<PAGE>

any plan or  arrangement,  whether or not tax qualified,  which provides for the
purchase  of  Fund  shares.  Sales  of  shares  to  such  plans  must be made in
connection  with a payroll  deduction  system of plan  funding  or other  system
acceptable to Seligman Data Corp.

    The Fund may sell Class A shares at net asset  value to present  and retired
directors,  trustees,  officers, employees and their spouses (and family members
of the  foregoing) of the Fund, the other  investment  companies in the Seligman
Group,  the Manager,  and other companies  affiliated  with the Manager.  Family
members are defined to include lineal descendants and lineal ancestors, siblings
(and their spouses and children) and any company or  organization  controlled by
any of the foregoing. Such sales also may be made to employee benefit and thrift
plans for such persons and to any investment advisory, custodial, trust or other
fiduciary  account  managed or advised by the  Manager or any  affiliate.  These
sales may be made for investment  purposes only, and shares may be resold to the
Fund.

     Class A shares may be sold at net asset value to these  persons  since such
sales  required less sales effort and lower sales  related  expenses as compared
with sales to the general public.

MORE ABOUT  Redemptions.  The  procedures  for  redemption  of Fund shares under
ordinary circumstances are set forth in the Prospectus. In unusual circumstances
payment may be  postponed,  or the right of  redemption  postponed for more than
seven days, if the orderly  liquidation of portfolio  securities is prevented by
the closing of, or restricted  trading on the NYSE during  periods of emergency,
or such other  periods as ordered by the  Securities  and  Exchange  Commission.
Payment  may be  made  in  securities,  subject  to the  review  of  some  state
securities  commissions.  If payment is made in  securities,  a shareholder  may
incur brokerage expenses in converting these securities into cash.


                              DISTRIBUTION SERVICES

   
     SFSI acts as general distributor of the shares of the Fund and of the other
Seligman Mutual Funds. The Fund and SFSI are parties to a Distributing Agreement
dated January 1, 1993. As general  distributor of the Fund's capital stock, SFSI
allows commissions to all dealers,  as indicated in the Prospectus.  Pursuant to
agreements with the Fund,  certain dealers may also provide  sub-accounting  and
other services for a fee. SFSI receives the balance of sales loads and any CDSLs
paid by  investors.  The balance of sales loads and any CDSLs paid by  investors
and  received by SFSI in respect of Class A shares  amounted to $36,070 in 1997,
after  allowances of $276,369 as commissions to dealers;  $65,484 in 1996, after
allowance of $503,183 as  commissions  to dealers;  and $105,433 in 1995,  after
allowance of $804,096 as  commissions  to dealers.  For the years ended December
31, 1997,  1996, and 1995, SFSI retained CDSL charges from Class D shares and on
certain  redemptions  of Class A shares  occurring  within  eighteen  months  of
purchase amounting to $11,752, $23,156, and $18,340, respectively.

     SFSI has assigned its rights to collect any CDSL imposed on  redemptions of
Class B shares to FEP Capital,  L.P. ("FEP").  SFSI has also assigned its rights
to the distribution  fees with respect of Class B shares received by it pursuant
to the  Plans  (other  than  the  portion  of such  fees  used  to make  ongoing
shareholder  servicing  payments to Service  Organizations  as  described in the
Prospectus)  to  FEP,  which  provides  funding  to  SFSI  to  enable  it to pay
commissions to dealers at the time of the sale of the related Class B shares. In
connection  with  the  assignment  of its  rights  to  collect  any CDSL and the
distribution  fees with respect to Class B shares,  SFSI receives  payments from
FEP based on the value of Class B shares  sold.  The  aggregate  amounts of such
payments  from FEP and the Class B  distribution  fees  retained by SFSI for the
year ended  December 31, 1997 and the period ended 1996 were $14,432 and $7,616,
respectively.

     Effective April 1, 1995,  Seligman Services,  Inc. ("SSI"), an affiliate of
the Manager,  became eligible to receive  commissions from certain sales of Fund
shares,  as well as distribution  and service fees pursuant to the Plan. For the
years  ended  December  31, 1997 and 1996 and the period  April 1, 1995  through
December  31,  1995,  SSI received  commissions  of $8,141,  $10,898 and $7,101,
respectively,  from sales of Fund shares.  SSI also  received  distribution  and
service  fees of $51,665,  $57,842 and  $39,985,  respectively,  pursuant to the
Plan.
    

                                    VALUATION

   
     Net asset value per share of each class of the Fund is determined as of the
close of regular trading on the NYSE (normally, 4:00 p.m. Eastern time), on each
day that the NYSE is open.  The NYSE is  currently  closed  on New  Year's  Day,
Martin  Luther  King,  Jr. Day,  Presidents'  Day,  Good Friday,  Memorial  Day,
Independence  Day, Labor Day,  Thanksgiving Day and Christmas Day. The Fund will
also  determine  net asset  value for each class on each day in which there is a
    

                                      -14-
<PAGE>

sufficient  degree of trading in the Fund's  portfolio  securities  that the net
asset value of Fund shares  might be  materially  affected.  Net asset value per
share for a class is computed by dividing  such class' share of the value of the
net assets of the Fund (i.e.,  the value of its assets less  liabilities) by the
total  number of  outstanding  shares of such class.  All  expenses of the Fund,
including  the  Manager's  fee, are accrued daily and taken into account for the
purpose of determining net asset value. The net asset value of Class B and Class
D shares will generally be lower than the net asset value of Class A shares as a
result of the larger distribution fee with respect to such shares.

     Portfolio  securities,  including open short positions and options written,
are  valued at the last sale  price on the  securities  exchange  or  securities
market on which such  securities  primarily are traded.  Securities  traded on a
foreign exchange or  over-the-counter  market are valued at the last sales price
on the  primary  exchange  or market on which they are  traded.  United  Kingdom
securities and securities for which there are no recent sales  transactions  are
valued based on quotations  provided  primary market makers in such  securities.
Other securities not listed on an exchange or securities  market,  or securities
in which  there  were no  transactions,  are  valued at the  average of the most
recent bid and asked price except in the case of open short  positions where the
asked price is available.  Any securities for which recent market quotations are
not readily available, including restricted securities, are valued at fair value
as determined in accordance with procedures  approved by the Board of Directors.
Short-term  obligations  with less than sixty days  remaining  to  maturity  are
generally valued at amortized cost. Short-term  obligations with more than sixty
days  remaining  to maturity  will be valued at current  market  value until the
sixtieth  day prior to maturity,  and will then be valued on an  amortized  cost
basis  based on the value on such date  unless  the Board  determines  that this
amortized  cost value does not represent  fair market value.  Expenses and fees,
including the  management  fee, are accrued daily and taken into account for the
purpose of determining the net asset value of Fund shares.  Premiums received on
the sale of call  options  will be  included  in the net  asset  value,  and the
current market value of the options sold by the Fund will be subtracted from net
asset value.

   
    Generally,  trading  in  foreign  securities,  as well  as  U.S.  Government
securities, money market instruments and repurchase agreements, is substantially
completed each day at various times prior to the close of regular trading on the
NYSE. The values of such securities used in computing the net asset value of the
shares of the Fund are determined as of such times.  Foreign  currency  exchange
rates are also generally determined prior to the close of regular trading on the
NYSE.  Occasionally,  events  affecting  the value of such  securities  and such
exchange  rates may occur between the times at which they are determined and the
close of  regular  trading  on the  NYSE,  which  will not be  reflected  in the
computation  of net asset  value.  If during  such  periods  events  occur which
materially affect the value of such securities, the securities will be valued at
their fair market value as determined in accordance with procedures  approved by
the Board of Directors.
    

     For purposes of determining  the net asset value per share of the Fund, all
assets  and  liabilities  initially  expressed  in  foreign  currencies  will be
converted into U.S. dollars at the mean between the bid and offer prices of such
currencies  against  U.S.  dollars  quoted  by a major  bank  that is a  regular
participant in the foreign  exchange market or on the basis of a pricing service
that takes into account the quotes provided by a number of such major banks.

                                   PERFORMANCE

   
     The average  annual  total  returns  for the Fund's  Class A shares for the
one-year,  five-year and ten-year  periods  ended  December 31, 1997 were 8.61%,
9.24% and 10.74%,  respectively.  These returns were computed by subtracting the
maximum  sales load of 4.75% of public  offering  price and assuming that all of
the dividends and gain  distributions  by the Fund over the relevant time period
were  reinvested.  It was then  assumed  that at the end of these  periods,  the
entire amount was redeemed.  The average annual total return was then determined
by  calculating  the annual rate required for the initial  investment to grow to
the amount which would have been received  upon  redemption  (i.e.,  the average
annual compound rate of return). The average annual total returns for the Fund's
Class B shares for the one-year period and the period April 22, 1996 (inception)
through December 31, 1997 were 8.30% and 10.18%,  respectively.  This return was
computed assuming that all of the dividends and gain  distributions  paid by the
Fund's Class B shares, if any, were reinvested over the relevant time period. It
was then assumed that at the end of the period the entire  amount was  redeemed,
subtracting  the  applicable  CDSL (5% for the  one-year  period  and 4% for the
period since inception). The average annual total returns for the Fund's Class D
shares for the one-year  period and since  inception  through  December 31, 1997
were 12.18% and 8.67%,  respectively.  These returns were computed assuming that
all of the  dividends and gain  distributions  paid by the Fund's Class D shares
were reinvested  over the relevant time period.  It was then assumed that at the
end of each period, the entire amount was redeemed,  subtracting the 1% CDSL, if
applicable.
    

     Table A below  illustrates the total return (income and capital) on Class A
shares of the Fund  with  dividends  invested  and gain  distributions  taken in
shares. It shows that a $1,000 investment in Class A shares, assuming payment of
the 4.75%

                                      -15-
<PAGE>

   
sales load,  made on January 1, 1988 had a value of $2,775 on December 31, 1997,
resulting in an aggregate total return of 177.45%. Table B illustrates the total
return  (income  and  capital)  on Class B shares  of the  Fund  with  dividends
invested and gain distributions, if any, taken in shares. It shows that a $1,000
investment in Class B shares made on April 22, 1996 (commencement of offering of
Class B shares)  had a value of $1,178 on December  31,  1997,  resulting  in an
aggregate  total return of 17.83%.  Table C illustrates the total return (income
and  capital)  on Class D shares of the Fund with  dividends  invested  and gain
distributions,  if any,  taken in shares.  It shows that a $1,000  investment in
Class D shares made on May 3, 1993  (commencement of offering of Class D shares)
had a value of $1,474 on December  31, 1997,  resulting  in an  aggregate  total
return of 47.40%. The results shown should not be considered a representation of
the dividend  income or gain or loss in capital value which may be realized from
an investment made in a class of shares of the Fund today.
    

                                                        TABLE A - CLASS A SHARES

<TABLE>
<CAPTION>
                                                                       VALUE OF
 YEAR                  VALUE OF INITIAL        VALUE OF GAIN           DIVIDENDS                           TOTAL
ENDED1                  INVESTMENT 2            DISTRIBUTION           INVESTED        TOTAL VALUE 2    RETURN 1, 3
- ------                  ------------            ------------           --------        -------------    -----------
<S>                      <C>                       <C>                 <C>             <C>              <C>
12/31/88                 $   972                   $  --               $   81          $1,053
12/31/89                   1,004                      32                  176           1,212
12/31/90                     838                      26                  247           1,111
12/31/91                   1,005                      32                  409           1,446
12/31/92                   1,104                      35                  560           1,699
12/31/93                   1,177                     103                  691           1,971
12/31/94                   1,054                      92                  718           1,864
12/31/95                   1,181                     145                  922           2,248
12/31/96                   1,209                     162                1,062           2,433
12/31/97                   1,195                     406                1,174           2,775             177.45%
</TABLE>


                                                        TABLE B - CLASS B SHARES


<TABLE>
<CAPTION>
                                                                       VALUE OF
 YEAR                  VALUE OF INITIAL        VALUE OF GAIN           DIVIDENDS                           TOTAL
ENDED1                  INVESTMENT 2            DISTRIBUTION           INVESTED        TOTAL VALUE 2    RETURN 1, 3
- ------                  ------------            ------------           --------        -------------    -----------
<S>                      <C>                       <C>                 <C>             <C>              <C>
12/31/96                  $1,036                   $   6               $   34          $1,076
12/31/97                     985                     114                   79           1,178           17.83%
</TABLE>


                                                        TABLE C - CLASS D SHARES


<TABLE>
<CAPTION>
                                                                       VALUE OF
 YEAR                  VALUE OF INITIAL        VALUE OF GAIN           DIVIDENDS                           TOTAL
ENDED1                  INVESTMENT 2            DISTRIBUTION           INVESTED        TOTAL VALUE 2    RETURN 1, 3
- ------                  ------------            ------------           --------        -------------    -----------
<S>                      <C>                       <C>                 <C>             <C>              <C>
12/31/93                  $1,009                    $ 36               $   35          $1,080
12/31/94                     902                      32                   79           1,013
12/31/95                   1,012                      59                  141           1,212
12/31/96                   1,037                      68                  198           1,303
12/31/97                   1,025                     198                  251           1,474           47.40%
</TABLE>


   
1  For the ten years ended December 31, 1997;  from  commencement of offering of
   Class B shares on April 22, 1996; and from  commencement of offering of Class
   D shares on May 3, 1993.
    

2  The "Value of  Initial  Investment"  as of the date  indicated  reflects  the
   effect of the maximum sales load, and CDSL, if  applicable,  assumes that all
   dividends  and capital  gain  distributions  were taken in cash and  reflects
   changes in the net asset value of the shares  purchased with the hypothetical
   initial  investment.  "Total  Value"  reflects  the  effect of the  CDSL,  if
   applicable,   assumes   investment   of  all   dividends   and  capital  gain
   distributions and reflects changes in the net asset value.

                                      -16-
<PAGE>

3  "Total Return" for each class of shares of the Fund is calculated by assuming
   a  hypothetical  initial  investment of $1,000 at the beginning of the period
   specified, subtracting the maximum sales load for Class A shares; determining
   total value of all dividends and capital gain  distributions  that would have
   been paid during the period on such  shares  assuming  that each  dividend or
   capital  gain  distribution  was invested in  additional  shares at net asset
   value;  calculating  the  total  value  of the  investment  at the end of the
   period; subtracting the CDSL on Class B or Class D shares, if applicable; and
   finally,  by dividing the difference  between the amount of the  hypothetical
   initial  investment at the beginning of the period and its total value at the
   end of the period by the amount of the hypothetical initial investment.

    No  adjustments  have been made for any income taxes payable by investors on
dividends invested or gain distributions taken in shares.

    The total  return  and  average  annual  total  return of the Class A shares
quoted  through  December  31,  1992,  do  not  reflect  the  deduction  of  the
administration,  shareholder services and distribution fee, effective January 1,
1993;  through  April 10, 1991,  do not reflect the  management  fee approved by
shareholders  on April 10,  1991;  and for  Class A and Class D shares,  through
December 31, 1995, do not reflect the increase in the management fee approved by
shareholders on December 12, 1995 and effective on January 1, 1996,  which fees,
if reflected, would reduce the performances quoted.

    The Fund may also include  aggregate total return over a specified period in
advertisements   or  in   information   furnished  to  present  or   prospective
shareholders.

                               GENERAL INFORMATION

    It is the intention of the Fund not to hold Annual Meetings of Shareholders.
The  Directors  may  call  Special   Meetings  of  Shareholders  for  action  by
shareholder  vote  as may  be  required  by the  1940  Act  or the  Articles  of
Incorporation.

    CAPITAL  STOCK.  The  Board  of  Directors  is  authorized  to  classify  or
reclassify  and issue any unissued  Capital Stock of the Fund into any number of
other classes without further action by shareholders. The 1940 Act requires that
where more than one class  exists,  each class must be preferred  over all other
classes in respect of assets specifically allocated to such class.

   
    CUSTODIAN. Investors Fiduciary Trust Company, 801 Pennsylvania, Kansas City,
Missouri  64105 serves as custodian of the Fund.  It also  maintains,  under the
general  supervision of the Manager,  the accounting  records and determines the
net asset value for the Fund.
    

    AUDITORS. Deloitte & Touche LLP, independent auditors, have been selected as
auditors of the Fund. Their address is Two World Financial Center, New York, New
York 10281.

                              FINANCIAL STATEMENTS

   
     The Annual  Report to  Shareholders  for the year ended  December  31, 1997
contains a schedule of the  investments  as of  December  31,  1997,  as well as
certain other  financial  information as of that date. The financial  statements
and notes included in the Annual Report,  and the Independent  Auditor's  Report
thereon,  are  incorporated  herein by  reference.  The  Annual  Report  will be
furnished  without  charge to investors who request  copies of this Statement of
Additional Information.
    


<PAGE>

                                   APPENDIX A

MOODY'S INVESTORS SERVICE
BONDS AND NOTES

    Aaa:  Bonds which are rated Aaa are judged to be of the best  quality.  They
carry the smallest  degree of investment  risk and are generally  referred to as
"gilt edged." Interest  payments are protected by a large or by an exceptionally
stable margin and principal is secure. While the various protective elements are
likely to change,  such changes as can be visualized are most unlikely to impair
the fundamentally strong position of such issues.

    Aa:  Bonds  which  are  rated Aa are  judged  to be of high  quality  by all
standards.  Together with the Aaa group they comprise what are generally know as
high-grade  bonds.  They are rated lower than the best bonds because  margins of
protection may not be as large as in Aaa securities or fluctuation of protective
elements  may be of greater  amplitude  or there may be other  elements  present
which make the long-term risk appear somewhat larger than the Aaa securities.

    A: Bonds which are rated A posses many favorable  investment  attributes and
are to be considered as upper-medium-grade obligations.  Factors giving security
to principal and interest are considered  adequate,  but elements may be present
which suggest a susceptibility to impairment some time in the future.

    Baa:  Bonds and notes  which are rated Baa are  considered  as medium  grade
obligations,  i.e.,  they are  neither  highly  protected  nor  poorly  secured.
Interest  payments and principal  security  appear  adequate for the present but
certain  protective  elements  may  be  lacking  or  may  be  characteristically
unreliable over any great length of time.  Such bonds or notes lack  outstanding
investment  characteristics and in fact may have speculative  characteristics as
well.

    Ba:  Bonds and  notes  which  are  rated Ba are  judged to have  speculative
element; their future cannot be considered as well-assured. Often the protection
of interest and principal payments may be very moderate,  and therefore not well
safeguarded  during  other good and bad times over the  future.  Uncertainty  of
position characterizes bonds and notes in this class.

    B:  Bonds and notes  which are rated B  generally  lack  characteristics  of
desirable  investment.  Assurance  of  interest  and  principal  payments  or of
maintenance  of other terms of the contract  over any long period of time may be
small.

    Caa: Bonds and notes which are rated Caa are of poor  standing.  Such issues
may be in default or there may be present  elements  of danger  with  respect to
principal or interest.

    Ca:  Bonds and notes  which are  rated Ca  represent  obligations  which are
speculative  in high  degree.  Such  issues  are often in  default or have other
marked shortcomings.

    C: Bonds and notes which are rated C are the lowest  rated class of bonds or
notes, and issues so rated can be regarded as having extremely poor prospects of
ever attaining any real investment standing.

STANDARD & POOR'S RATING SERVICE ("S&P")
BONDS

    AAA: Debt rate AAA has the highest rating  assigned by S&P.  Capacity to pay
interest and repay principal is extremely strong.

    AA: Debt rated AA have a very high degree of safety and very strong capacity
to pay interest and repay  principal  and differs from the highest  rated issues
only in small degree.

    A: Debt  rated A are  regarded  as upper  medium  grade.  They have a strong
degree of safety and capacity to pay interest and repay principal although it is
somewhat more  susceptible in the long term to the adverse effects of changes in
circumstances and economic conditions than debt in higher rated categories.


                                      -18-
<PAGE>


    BBB: Bonds rated BBB are regarded as having a satisfactory  degree of safety
and  capacity to pay  principal  and  interest.  Whereas they  normally  exhibit
adequate  protection   parameters,   adverse  economic  conditions  or  changing
circumstances  are more likely to lead to a weakened  capacity to pay  principal
and interest for bonds in this category than for bonds in the A category.

     BB, B, CCC, CC: Bonds rated BB, B, CCC, and CC are regarded on balance,  as
predominantly  speculative  with  respect to capacity to pay  interest and repay
principal in  accordance  with the terms of the bond.  BB  indicates  the lowest
degree of speculation and C the highest degree of speculation.  While such bonds
will  likely  have  some  quality  and  protective  characteristics,  these  are
outweighed by large uncertainties or major risk exposures to adverse conditions.

    C: The rating C is reserved  for income  bonds on which no interest is being
paid.

    D: Bonds rated D are in default, and payment of interest and/or repayment of
principal is in arrears.

    NR: Indicates that no rating has been requested,  that there is insufficient
information  on which to base a  rating  or that S&P does not rate a  particular
type of bond as a matter of policy.


                                      -19-
<PAGE>



                                   APPENDIX B

                 HISTORY OF J. & W. SELIGMAN & CO. INCORPORATED

    Seligman's beginnings date back to 1837, when Joseph Seligman, the oldest of
eight brothers,  arrived in the United States from Germany. He earned his living
as a pack  peddler in  Pennsylvania,  and began  sending for his  brothers.  The
Seligmans became successful merchants,  establishing businesses in the South and
East.

    Backed by nearly thirty years of business success culminating in the sale of
government securities to help finance the Civil War - Joseph Seligman,  with his
brothers,  established the international  banking and investment firm of J. & W.
Seligman & Co. In the years that followed,  the Seligman  Complex played a major
role in the  geographical  expansion and  industrial  development  of the United
States.

THE SELIGMAN COMPLEX:

 .... Prior to 1900

o  Helps finance America's fledgling railroads through underwritings.
o  Is  admitted  to the New York Stock  Exchange  in 1869.  Seligman  remained a
   member of the NYSE until 1993,  when the  evolution of its  business  made it
   unnecessary.
o  Becomes a prominent underwriter of corporate  securities,  including New York
   Mutual Gas Light Company, later part of Consolidated Edison.
o  Provides  financial  assistance  to Mary Todd Lincoln and urges the Senate to
   award her a pension.
o  Is appointed U.S. Navy fiscal agent by President Grant.
o  Becomes  a leader in  raising  capital  for  America's  industrial  and urban
   development.

 ...1900-1910

o  Helps Congress finance the building of the Panama Canal.

 ...1910s

o  Participates in raising billions for Great Britain, France and Italy, helping
   to finance World War I.

 ...1920s

   
o  Participates  in hundreds of  underwritings  including  those for some of the
   country's largest companies:  Briggs Manufacturing,  Dodge Brothers,  General
   Motors,  Minneapolis-Honeywell  Regulatory  Company,  Maytag Company,  United
   Artists   Theater  Circuit  and  Victor  Talking   Machine   Company.   
o  Forms  Tri-Continental  Corporation  in 1929,  today  the  nation's  largest,
   diversified  closed-end  equity investment  company,  with over $3 billion in
   assets, and one of its oldest.
    

 ...1930s

o  Assumes management of Broad Street Investing Co. Inc., its first mutual fund,
   today known as Seligman Common Stock Fund, Inc.
o  Establishes Investment Advisory Service.


                                      -20-


<PAGE>


 ...1940s

o  Helps shape the Investment Company Act of 1940.
o  Leads in the  purchase  and  subsequent  sale to the public of  Newport  News
   Shipbuilding and Dry Dock Company, a prototype transaction for the investment
   banking industry.
o  Assumes management of National Investors  Corporation,  today Seligman Growth
   Fund, Inc.
o  Establishes Whitehall Fund, Inc., today Seligman Income Fund, Inc.

 ...1950-1989

o  Develops  new  open-end  investment  companies.  Today,  manages more than 40
   mutual fund portfolios.
o  Helps pioneer state-specific, municipal bond funds, today managing a national
   and 18 state-specific municipal funds.
o  Establishes Seligman Portfolios,  Inc., an investment vehicle offered through
   variable annuity products.

 ...1990s

o  Introduces  Seligman  Select  Municipal Fund and Seligman  Quality  Municipal
   Fund, two closed-end funds that invest in high-quality municipal bonds.
o  In 1991  establishes a joint venture with Henderson plc, of London,  known as
   Seligman  Henderson  Co.,  to  offer  global  and  international   investment
   products.
o  Introduces to the public Seligman Frontier Fund, Inc., a small capitalization
   mutual fund.
o  Launches Seligman Henderson Global Fund Series, Inc., which today offers five
   separate series:  Seligman Henderson  International  Fund, Seligman Henderson
   Global Smaller  Companies Fund,  Seligman  Henderson Global  Technology Fund,
   Seligman  Henderson Global Growth  Opportunities  Fund and Seligman Henderson
   Emerging Markets Growth Fund.
o  Launches  Seligman  Value  Fund  Series,  Inc.,  which  currently  offers two
   separate series:  Seligman  Large-Cap Value Fund and Seligman Small-Cap Value
   Fund.


                                      -21-


<PAGE>

================================================================================
PORTFOLIO OF INVESTMENTS
December 31, 1997



                                 PRINCIPAL
                                  AMOUNT          VALUE
                                 ---------         -----
US GOVERNMENT AND
GOVERNMENT AGENCY
SECURITIES  17.9%
US Treasury Bonds
   6 5/8%, 2/15/2027            $ 5,000,000    $ 5,428,130
US Treasury Notes
   6 5/8%, 5/15/2007             17,000,000     18,004,071
MORTGAGE-BACKED
SECURITIES:++
Government National
   Mortgage Association
   Obligations: 7 1/2%, with
   various maturities from
   1/15/2023 to 12/15/2027       39,149,679     40,165,504
                                               -----------
TOTAL US GOVERNMENT
AND GOVERNMENT
AGENCY SECURITIES
(Cost $61,512,378)                              63,597,705
                                               -----------

CORPORATE BONDS  31.3%
BANKING AND FINANCE  9.1%
Associates Corp. of North
   America 6 1/2%, 8/15/2002      3,500,000      3,536,190
Capital One Bank
   8 1/8%, 3/1/2000               5,000,000      5,179,530
Corp Andina de Fomento
   7 1/4%, 3/1/2007+              5,000,000      5,099,680
Franchise Finance
   7%, 11/30/2000                 5,000,000      5,079,925
Homeside Lending
   6.86%, 7/2/2001                5,000,000      5,087,365
The Money Store
   8 3/8%, 4/15/2004              3,000,000      3,128,910
United Companies Financial
   9.35%, 11/1/1999               2,000,000      2,101,246
United Companies Financial
   8 3/8%, 7/1/2005               3,000,000      3,165,780
                                               -----------
                                                32,378,626
                                               -----------
BUSINESS SERVICES  1.3%
First Data 6 3/8%, 12/15/2007     4,800,000      4,782,974
                                               -----------
CHEMICALS  1.9%
Geon 6 7/8%, 2/15/2005            1,800,000      1,818,288
Millennium America
   7%, 11/15/2006                 5,000,000      5,112,565
                                               -----------
                                                 6,930,853
                                               -----------
ELECTRIC AND GAS
UTILITIES  1.4%
Empresa Electrica Guacolda
   (Chile) 7.95%, 4/30/2003+      5,000,000      5,124,800
                                               -----------


                                 PRIN. AMT.
                                  OR SHARES        VALUE
                                 ----------        -----
ENERGY  4.0%
Barrett Resources
   7.55%, 2/1/2007              $ 3,300,000    $ 3,428,218
Oryx Energy
   8 1/8%, 10/15/2005             5,000,000      5,382,205
Petroleum Geo-Services
   7 1/2%, 3/31/2007              5,000,000      5,335,190
                                               -----------

                                                14,145,613
                                               -----------
FUNERAL SERVICES  1.4%
Loewen Group International
   7 1/2%, 4/15/2001              5,000,000      5,153,540
                                               -----------
HOTELS/MOTELS  0.6%
Felcor Suites
   7 3/8%, 10/1/2004+             2,000,000      2,017,042
                                               -----------
MACHINERY  1.5%
Anixter 8%, 9/15/2003             5,000,000      5,256,975
                                               -----------
MEDIA  3.2%
News America Holdings
   7.43%, 10/1/2026               5,000,000      5,332,970
Time Warner
   9 1/8%, 1/15/2013              5,000,000      5,984,230
                                               -----------
                                                11,317,200
                                               -----------
PAPER AND PACKAGING  1.0%
Owens-Illinois
   7.85%, 5/15/2004               3,500,000      3,679,386
                                               -----------
RETAILING  2.9%
Staples 7 1/8%, 8/15/2007         5,000,000      5,116,300
Woolworth 7%, 6/1/2000            5,000,000      5,069,285
                                               -----------
                                                10,185,585
                                               -----------
TECHNOLOGY   1.2%
Solectron 7 3/8%, 3/1/2006        4,000,000      4,144,492
                                               -----------

UTILITIES/
TELECOMMUNICATIONS  1.8%
Tele-Communications
   9.80%, 2/1/2012                5,000,000      6,309,705
                                               -----------

TOTAL CORPORATE BONDS
(Cost $108,059,915)                            111,426,791
                                               -----------

CONVERTIBLE
PREFERRED STOCKS  7.5%

AUTOMOTIVE
AND RELATED  1.4%
Federal Mogul 7%+                    96,000shs.  4,848,000
                                               -----------
BANKING AND
FINANCE  1.6%
Salomon Smith Barney
   Holdings 7 5/8%                  137,500      5,534,375
                                               -----------
- ----------
See footnotes on page 10.


<PAGE>

================================================================================
PORTFOLIO OF INVESTMENTS
December 31, 1997



                                   PRIN. AMT.
                                    OR SHARES          VALUE
                                   ----------          -----
DRUGS AND
HEALTH CARE  1.0%
McKesson 5%+                         46,000shs.     $ 3,519,000
                                                     ----------
ENERGY  0.4%
Lomak Petroleum 5 3/4%+              33,500           1,582,875
                                                     ----------
ENVIRONMENTAL
SERVICES    1.0%
Browning-Ferris Industries 7 1/4%   100,000           3,400,000
                                                     ----------
INSURANCE  1.5%
St. Paul Capital 6%                  75,000           5,400,000
                                                     ----------
OFFICE EQUIPMENT  0.6%
IKON Office Solutions $5.04          32,500           2,201,875
                                                     ----------

TOTAL CONVERTIBLE
PREFERRED STOCKS
(Cost $22,531,360)                                   26,486,125
                                                     ----------

CONVERTIBLE BONDS  3.8%
DIVERSIFIED  0.6%
MascoTech 4 1/2%, 12/15/2003      2,500,000           2,187,500
                                                     ----------
DRUGS AND
HEALTH CARE  0.6%
Ciba-Geigy 6 1/4%, 3/15/2016      2,000,000           2,200,000
                                                     ----------
ELECTRONICS  0.5%
Park Electrochemical
   5 1/2%, 3/1/2006               2,000,000           1,890,000
                                                     ----------
ENERGY  1.2%
Santa Fe Pipelines
   11.162%, 8/15/2010             2,500,000           4,237,500
                                                     ----------
INSURANCE  0.3%
LibLife International (UK)
   6 1/2%, 9/30/2004                750,000             879,381
                                                     ----------
TECHNOLOGY  0.6%
Xilinx 5 1/4%, 11/1/2002+         2,000,000           1,947,500
                                                     ----------

TOTAL CONVERTIBLE BONDS
(Cost $11,076,250)                                   13,341,881
                                                     ----------

COMMON STOCKS  36.1%
AEROSPACE AND
DEFENSE    0.6%
General Dynamics                     26,900shs.       2,325,169
                                                     ----------
AUTOMOTIVE AND
RELATED  0.5%
Chrysler                             50,000           1,759,375
                                                     ----------


                                     SHARES             VALUE
                                     ------             -----
BANKING AND FINANCE  5.9%
Ahmanson (H.F.)                      37,000       $   2,476,687
Banco Bilbao Vizcaya (Spain)         46,200           1,494,969
Bank of Ireland (Ireland)           190,000           2,927,969
Bank of New York                     30,600           1,769,063
BankAmerica                          12,700             927,100
Citicorp                             11,600           1,466,675
First Union                          25,000           1,281,250
ING Groep (Netherlands)              82,666           3,483,679
National Australia Bank
   (ADRs) (Australia)                60,000           4,237,500
Societe Generale (France)             6,360             866,816
                                                  -------------
                                                     20,931,708
                                                  -------------
CHEMICALS  1.3%
Bayer (Germany)                      57,000           2,115,572
duPont (E.I.) de Nemours             17,600           1,057,100
Goodrich (B.F.)                      33,000           1,367,438
                                                  -------------
                                                      4,540,110
                                                  -------------
CONSUMER GOODS
AND SERVICES  5.5%
Allied Domecq (UK)                  140,000           1,271,809
Anheuser-Busch                       20,000             880,000
B.A.T. Industries (UK)              200,000           1,831,735
General Mills                        34,400           2,463,900
PepsiCo                              80,300           2,925,931
RJR Nabisco Holdings                 64,000           2,400,000
Russell                              50,100           1,330,781
Sara Lee                             59,200           3,333,700
The Stanley Works                    28,900           1,363,719
Xerox                                23,000           1,697,687
                                                  -------------
                                                     19,499,262
                                                  -------------
DIVERSIFIED  0.6%
Alexander & Baldwin                  29,600             813,075
Tenneco                              36,000           1,422,000
                                                  -------------
                                                      2,235,075
                                                  -------------
DRUGS AND
HEALTH CARE  2.5%
American Home Products               15,600           1,193,400
Baxter International                 42,200           2,128,462
Bristol-Myers Squibb                 29,200           2,763,050
Schering-Plough                      46,500           2,888,813
                                                  -------------
                                                      8,973,725
                                                  -------------

ELECTRIC AND GAS
UTILITIES  4.3%
Companhia Energetica de
   Minas Gerais (ADRs)
   "CEMIG" (Brazil)                  22,700           1,021,500
Duke Energy                          36,000           1,993,500
Electricidade de Portugal
   (ADRs) (Portugal)                 48,200           1,867,750


- ----------
See footnotes on page 10.


<PAGE>


================================================================================
PORTFOLIO OF INVESTMENTS
December 31, 1997



                                       SHARES           VALUE
                                       ------           -----
ELECTRIC AND GAS
UTILITIES (CONTINUED)
Endesa (ADRs) (Spain)                 100,000     $   1,818,750
FPL Group                              34,500         2,041,969
Unicom                                 64,400         1,980,300
VEBA (Germany)                         30,000         2,043,426
Williams Companies                     83,000         2,355,125
                                                  -------------
                                                     15,122,320
                                                  -------------
ELECTRONICS  0.9%
AMP                                    30,400         1,276,800
Thomas & Betts                         38,400         1,814,400
                                                  -------------
                                                      3,091,200
                                                  -------------
ENERGY  3.5%
Amoco                                  18,200         1,549,275
Atlantic Richfield                     19,900         1,594,488
Exxon                                  26,300         1,609,231
Royal Dutch Petroleum
   (Netherlands)                       32,000         1,734,000
Snyder Oil                             91,022         1,661,151
Total (Class B) (France)               15,396         1,676,121
Unocal                                 71,100         2,759,569
                                                  -------------
                                                     12,583,835
                                                  -------------
FOOD  0.5%
ConAgra                                50,000         1,640,625
                                                  -------------
INSURANCE  2.6%
American General                       30,000         1,621,875
AXA-UAP (France)                        9,736           753,603
Irish Life (Ireland)                  430,000         2,450,297
Lincoln National                       20,700         1,617,188
Marsh & McLennan                       20,200         1,506,163
St. Paul Companies                     17,600         1,444,300
                                                  -------------
                                                      9,393,426
                                                  -------------
MACHINERY  0.6%
GATX                                   32,700         2,372,794
                                                  -------------
METALS  0.3%
Allegheny Teledyne                     41,500         1,073,813
                                                  -------------
PAPER AND PACKAGING  1.2%
Bemis                                  47,000         2,070,937
Mead                                   25,000           700,000
Union Camp                             15,300           821,419
Weyerhaeuser                           15,300           750,656
                                                  -------------
                                                      4,343,012
                                                  -------------
RETAILING  1.6%
May Department Stores                  25,900         1,364,606
Penney (J.C.)                          31,300         1,887,781
Tesco (UK)                            287,400         2,326,023
                                                  -------------
                                                      5,578,410
                                                  -------------



                                    SHARES OR
                                    PRIN. AMT.         VALUE
                                    ----------         -----
TOBACCO  0.8%
Philip Morris                          60,300 shs.$   2,732,344
                                                  -------------
TRANSPORTATION  0.2%
Norfolk Southern                       25,200           776,475
                                                  -------------
UTILITIES/
TELECOMMUNICATIONS  2.5%
Alcatel Alsthom (France)               15,000         1,907,255
Bell Atlantic                          21,500         1,956,500
GTE                                    35,300         1,844,425
SBC Communications                     27,200         1,992,400
Telecom Italia-SpA* (Italy)           255,225         1,125,324
                                                  -------------
                                                      8,825,904
                                                  -------------
MISCELLANEOUS  0.2%
Pacific Dunlop (Australia)            275,000           582,278
                                                  -------------

TOTAL COMMON STOCKS
(Cost $105,246,248)                                 128,380,860
                                                  -------------

ASSET-BACKED
SECURITIES++  2.8%

BANKING AND FINANCE  2.8%
The Money Store Home Equity
   Trust 1997-D
   6.555%, 12/15/2038             $ 5,000,000         4,993,750
United Companies Financial
   1997-C 6.88%, 9/15/2022          5,000,000         5,045,315
                                                  -------------

TOTAL ASSET-BACKED
SECURITIES
(Cost $9,999,247)                                    10,039,065
                                                  -------------


SHORT-TERM HOLDINGS  0.9%
(Cost $3,200,000)                                     3,200,000
                                                  -------------

TOTAL INVESTMENTS  100.3%
(Cost $321,625,398)                                 356,472,427

OTHER ASSETS
LESS LIABILITIES  (0.3)%                               (983,553)
                                                  -------------

NET ASSETS  100.0%                                $ 355,488,874
                                                  =============

- ----------
  +Rule 144A security.
 ++Investments in mortgage-backed and asset-backed securities are subject to
   principal paydowns. As a result of prepayments from refinancing or
   satisfaction of the underlying instruments, the average life may be less than
   the original maturity. This in turn may impact the ultimate yield realized
   from these instruments. See Notes to Financial Statements.
 See Notes to Financial Statements.

<PAGE>
<TABLE>
<CAPTION>


==============================================================================================
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997

ASSETS:
Investments, at value:
<S>                                                            <C>               <C>
  Bonds and stocks (cost $256,913,020) ......................  $ 289,674,722
  US Government and Government agency securities
  (cost $61,512,378) ........................................     63,597,705
  Short-term holdings (cost $3,200,000) .....................      3,200,000     $ 356,472,427
                                                               -------------
Cash                                                                                   828,150
Receivable for interest and dividends ......................................         3,163,999
Receivable for securities sold .............................................           920,112
Receivable for Capital Stock sold ..........................................           181,327
Investment in, and expenses prepaid to, shareholder service agent ..........            67,289
Other                                                                                   21,711
                                                                                 -------------
Total Assets ...............................................................       361,655,015
                                                                                 -------------

LIABILITIES:
Payable for securities purchased ...........................................         5,026,559
Payable for Capital Stock repurchased ......................................           498,571
Accrued expenses, taxes, and other .........................................           641,011
                                                                                 -------------
Total Liabilities ..........................................................
                                                                                     6,166,141
                                                                                 -------------
Net Assets .................................................................     $ 355,488,874
                                                                                 =============

COMPOSITION OF NET ASSETS:
Capital Stock, at par ($1 par value; 500,000,000 shares authorized;
 24,008,910 shares outstanding):
  Class A ..................................................................     $  18,271,389
  Class B ..................................................................           582,119
  Class D ..................................................................         5,155,402
Additional paid-in capital .................................................       294,084,005
Undistributed net investment income ........................................           406,565
Undistributed net realized gain ............................................         2,144,594
Net unrealized appreciation of investments .................................        35,749,685
Net unrealized depreciation on translation of assets
and liabilities denominated in foreign currencies ..........................          (904,885)
                                                                                 -------------
Net Assets .................................................................     $ 355,488,874
                                                                                 =============

NET ASSET VALUE PER SHARE:
Class A ($270,688,127 / 18,271,389 shares) .................................     $       14.81
                                                                                 =============
Class B ($8,606,825 / 582,119 shares) ......................................     $       14.79
                                                                                 =============
Class D ($76,193,922 / 5,155,402 shares) ...................................     $       14.78
                                                                                 =============

- ----------
See Notes to Financial Statements.
</TABLE>

<PAGE>
<TABLE>
<CAPTION>


=============================================================================================================================
STATEMENT OF OPERATIONS
For the Year Ended December 31, 1997

INVESTMENT INCOME:
<S>                                                                                    <C>                        <C>
Interest .............................................................                 $14,957,685
Dividends ............................................................                   6,243,369
                                                                                       -----------
Total Investment Income (net of foreign taxes withheld of $165,317) ..............................                $21,201,054

EXPENSES:
Management fee .......................................................                   2,192,400
Distribution and service fees ........................................                   1,511,099
Shareholder account services .........................................                     630,508
Shareholder reports and communications ...............................                     137,715
Custody and related services .........................................                     131,075
Registration .........................................................                      84,360
Auditing and legal fees ..............................................                      69,191
Directors' fees and expenses .........................................                      26,097
Miscellaneous ........................................................                      27,364
                                                                                       -----------
Total Expenses ...................................................................................                  4,809,809
                                                                                                                  -----------
Net Investment Income ............................................................................                 16,391,245

NET REALIZED AND UNREALIZED GAIN (LOSS) ON
INVESTMENTS AND FOREIGN CURRENCY TRANSACTIONS:
Net realized gain on investments .....................................                  28,464,970
Net realized loss from foreign currency transactions .................                    (330,664)
Net change in unrealized appreciation of investments .................                   4,951,521
Net change in unrealized appreciation on translation of
assets and liabilities denominated in foreign currencies .............                  (2,024,316)
                                                                                       -----------
Net Gain on Investments and Foreign Currency Transactions ........................................                 31,061,511
                                                                                                                  -----------
Increase in Net Assets from Operations ...........................................................                $47,452,756
                                                                                                                  ===========

- ----------
See Notes to Financial Statements.
</TABLE>


<PAGE>
<TABLE>
<CAPTION>


=========================================================================================================================
STATEMENTS OF CHANGES IN NET ASSETS


                                                                                              YEAR ENDED DECEMBER 31,
                                                                                         --------------------------------
                                                                                              1997               1996
                                                                                         ------------        ------------
OPERATIONS:
<S>                                                                                      <C>                 <C>         
Net investment income ..........................................................         $ 16,391,245        $ 19,322,087
Net realized gain on investments ...............................................           28,464,970           5,841,486
Net realized gain (loss) from foreign currency transactions ....................             (330,664)              7,433
Net change in unrealized appreciation of investments ...........................            4,951,521           3,571,125
Net change in unrealized appreciation/depreciation on translation of
assets and liabilities denominated in foreign currencies .......................           (2,024,316)            987,448
                                                                                         ------------        ------------
Increase in Net Assets from Operations .........................................           47,452,756          29,729,579
                                                                                         ------------        ------------
DISTRIBUTIONS TO SHAREHOLDERS:
Net investment income:
   Class A .....................................................................          (13,456,408)        (14,995,963)
   Class B .....................................................................             (246,429)            (55,035)
   Class D .....................................................................           (3,132,293)         (3,480,362)
Net realized gain on investments:
   Class A .....................................................................          (25,021,509)         (1,799,539)
   Class B .....................................................................             (633,473)             (3,653)
   Class D                                                                                 (6,970,215)           (494,274)
                                                                                         ------------        ------------
Decrease in Net Assets from Distributions                                                 (49,460,327)        (20,828,826)
                                                                                         ------------        ------------
</TABLE>

<TABLE>
<CAPTION>
                                                           SHARES
                                            ------------------------------------
                                                    YEAR ENDED DECEMBER 31,
                                            ------------------------------------
                                                      1997               1996
                                                   ---------         -----------
CAPITAL SHARE TRANSACTIONS:*
Net proceeds from sale of shares:
<S>                                                  <C>               <C>                  <C>                <C>       
   Class A ..............................            650,380           1,396,344            9,972,700          20,428,865
   Class B ..............................            343,682             207,814            5,230,021           3,024,908
   Class D ..............................            404,112             894,700            6,155,758          13,071,905
Investment of dividends:
   Class A ..............................            606,682             702,268            9,216,525          10,180,313
   Class B ..............................             11,758               2,581              178,238              37,557
   Class D ..............................            167,968             193,834            2,546,388           2,804,770
Exchanged from associated Funds:
   Class A ..............................            330,769           4,447,183            5,064,541          64,919,755
   Class B ..............................             79,482              11,499            1,207,365             170,381
   Class D ..............................            418,908             590,551            6,386,380           8,537,551
Shares issued in payment of
gain distributions:
   Class A ..............................          1,378,265             102,587           20,340,211           1,470,077
   Class B ..............................             34,906                 222              512,347               3,179
   Class D ..............................            423,625              30,841            6,229,511             441,057
                                                   ---------          ----------          -----------         -----------
Total ...................................          4,850,537           8,580,424           73,039,985         125,090,318
                                                   ---------          ----------          -----------         -----------
Cost of shares repurchased:
   Class A ..............................         (3,510,451)         (3,856,199)         (53,806,277)        (56,302,959)
   Class B ..............................            (46,830)             (6,522)            (709,661)            (96,604)
   Class D ..............................         (1,022,412)         (1,261,567)         (15,638,553)        (18,398,148)
Exchanged into associated Funds:
   Class A ..............................           (971,157)         (4,758,652)         (14,983,726)        (69,546,031)
   Class B ..............................            (39,006)            (17,467)            (600,589)           (258,956)
   Class D ..............................           (720,259)           (903,445)         (11,014,316)        (13,186,394)
                                                   ---------          ----------          -----------         -----------
Total ...................................         (6,310,115)        (10,803,852)         (96,753,122)       (157,789,092)
                                                   ---------          ----------          -----------         -----------
Decrease in Net Assets from Capital
Share Transactions ......................         (1,459,578)         (2,223,428)         (23,713,137)        (32,698,774)
                                                   =========          ==========          -----------         -----------
Decrease in Net Assets .........................................................          (25,720,708)        (23,798,021)

NET ASSETS:
Beginning of year ..............................................................          381,209,582         405,007,603
                                                                                          -----------         -----------
End of Year (including undistributed net investment income of
$406,565 and $888,857, respectively) ...........................................         $355,488,874        $381,209,582
                                                                                          ===========         ===========

- ----------
* The Fund began offering Class B shares on April 22, 1996.
See Notes to Financial Statements.
</TABLE>

<PAGE>


================================================================================
NOTES TO FINANCIAL STATEMENTS



1. MULTIPLE CLASSES OF SHARES -- Seligman Income Fund, Inc. (the "Fund") offers
three classes of shares. All shares existing prior to May 3, 1993, the
commencement of Class D shares, were classified as Class A shares. The Fund
began offering Class B shares on April 22, 1996. Class A shares are sold with an
initial sales charge of up to 4.75% and a continuing service fee of up to 0.25%
on an annual basis. Class A shares purchased in an amount of $1,000,000 or more
are sold without an initial sales charge but are subject to a contingent
deferred sales load ("CDSL") of 1% on redemptions within 18 months of purchase.
Class B shares are sold without an initial sales charge but are subject to a
distribution fee of 0.75%, a service fee of up to 0.25% on an annual basis, and
a CDSL, if applicable, of 5% on redemptions in the first year of purchase,
declining to 1% in the sixth year and 0% thereafter. Class B shares will
automatically convert to Class A shares on the last day of the month that
precedes the eighth anniversary of their date of purchase. Class D shares are
sold without an initial sales charge but are subject to a distribution fee of up
to 0.75% and a service fee of up to 0.25% on an annual basis, and a CDSL, if
applicable, of 1% imposed on redemptions made within one year of purchase. The
three classes of shares represent interests in the same portfolio of
investments, have the same rights and are generally identical in all respects
except that each class bears its separate distribution and certain other class
expenses, and has exclusive voting rights with respect to any matter on which a
separate vote of any class is required.

2. SIGNIFICANT ACCOUNTING POLICIES -- The financial statements have been
prepared in conformity with generally accepted accounting principles which
require management to make certain estimates and assumptions at the date of the
financial statements. The following summarizes the significant accounting
policies of the Fund:


a. SECURITY VALUATION -- Investments in US Government and Government agency
   securities, bonds, and stocks are valued at current market values or, in
   their absence, at fair values determined in accordance with procedures
   approved by the Board of Directors. Securities traded on national exchanges
   are valued at last sales prices or, in their absence and in the case of
   over-the-counter securities, at the mean of bid and asked prices. Short-term
   holdings maturing in 60 days or less are valued at amortized cost.

b. FOREIGN CURRENCY TRANSACTIONS -- The books and records of the Fund are
   maintained in US dollars. The market value of investment securities, other
   assets and liabilities denominated in foreign currencies are translated into
   US dollars at the daily rate of exchange as reported by a pricing service.
   Purchases and sales of investment securities, income, and expenses are
   translated into US dollars at the rate of exchange prevailing on the
   respective dates of such transactions.

     The Fund separates that portion of the results of operations resulting from
   changes in the foreign exchange rates from the fluctuations arising from
   changes in the market prices of securities held in the portfolio. Similarly,
   the Fund separates the effect of changes in foreign exchange rates from the
   fluctuations arising from changes in the market prices of portfolio
   securities sold during the period.

c. FEDERAL TAXES -- There is no provision for federal income tax. The Fund has
   elected to be taxed as a regulated investment company and intends to
   distribute substantially all taxable net income and net gain realized.

d. SECURITY TRANSACTIONS AND RELATED INVESTMENT INCOME -- Investment
   transactions are recorded on trade dates. Identified cost of investments sold
   is used for both financial statement and federal income tax purposes.
   Dividends receivable and payable are recorded on ex-dividend dates, except
   that certain dividends from foreign securities where the ex-dividend dates
   may have passed are recorded as soon as the Fund is informed of the dividend.
   Interest income is recorded on an accrual basis.

e. MULTIPLE CLASS ALLOCATIONS -- All income, expenses (other than class-specific
   expenses), and realized and unrealized gains or losses are allocated daily to
   each class of shares based upon the relative value of shares of each class.
   Class-specific expenses, which include distribution and service fees and any
   other items that are specifically attributable to a particular class, are
   charged directly to such class. For the year ended December 31, 1997,
   distribution and service fees were the only class-specific expenses.

f. DISTRIBUTIONS TO SHAREHOLDERS -- The treatment for financial statement
   purposes of distributions made to shareholders during the year from net
   investment income or net realized gains may differ from their ultimate
   treatment for federal income tax purposes. These differences are caused
   primarily by differences in the timing of the recognition of certain
   components of income, expense, or realized capital gain for federal income
   tax purposes. Where such differences are permanent in nature, they are
   reclassified in the components of net assets based on their ultimate
   characterization for federal income tax purposes. Any such reclassification
   will have no effect on net assets, results of operations, or net asset value
   per share of the Fund.

3. PURCHASES AND SALES OF SECURITIES -- Purchases and sales of portfolio
securities, excluding US Government obligations and short-term investments, for
the year ended December 31, 1997, amounted to $353,327,757 and $428,946,263,
respectively; purchases and sales of US Government obligations were $133,479,106
and $113,370,057, respectively.

   At December 31, 1997, the cost of investments for federal income tax purposes
was substantially the same as the cost for financial reporting purposes, and the
tax basis gross unrealized appreciation and depreciation of portfolio
securities, including


<PAGE>


================================================================================
NOTES TO FINANCIAL STATEMENTS

the effects of foreign currency translations, amounted to $37,813,748 and
$2,966,719, respectively.

4. SHORT-TERM INVESTMENTS -- At December 31, 1997, the Fund owned short-term
investments which matured in less than seven days.

5. MANAGEMENT FEE, ADMINISTRATIVE SERVICES, AND OTHER TRANSACTIONS -- J. & W.
Seligman & Co. Incorporated (the "Manager") manages the affairs of the Fund and
provides or arranges for the necessary personnel and facilities. Seligman
Henderson Co. (the "Subadviser"), an entity owned 50% each by the Manager and
Henderson plc, supervises and directs all or a portion of the Fund's foreign
investments. For this service, the Subadviser receives a fee from the Manager,
payable monthly. Compensation of all officers of the Fund, all directors of the
Fund who are employees or consultants of the Manager, and all personnel of the
Fund and the Manager is paid by the Manager or by Henderson plc. The Manager
receives a fee, calculated daily and payable monthly, equal to 0.60% per annum
of the first $1 billion of the Fund's average daily net assets, 0.55% per annum
of the next $1 billion of the Fund's average daily net assets and 0.50% per
annum of the Fund's average daily net assets in excess of $2 billion. The
management fee reflected in the Statement of Operations represents 0.60% per
annum of the Fund's average daily net assets.

   Seligman Financial Services, Inc. (the "Distributor"), agent for the
distribution of the Fund's shares and an affiliate of the Manager, received
concessions of $36,070 from sales of Class A shares, after commissions of
$276,369 were paid to dealers.

   The Fund has an Administration, Shareholder Services and Distribution Plan
(the "Plan") with respect to distribution of its shares. Under the Plan, with
respect to Class A shares, service organizations can enter into agreements with
the Distributor and receive a continuing fee of up to 0.25% on an annual basis,
payable quarterly, of the average daily net assets of the Class A shares
attributable to the particular service organizations for providing personal
services and/or the maintenance of shareholder accounts. The Distributor charges
such fees to the Fund pursuant to the Plan. For the year ended December 31,
1997, fees incurred aggregated $674,872, or 0.24% per annum of the average daily
net assets of Class A shares.

   Under the Plan, with respect to Class B and Class D shares, service
organizations can enter into agreements with the Distributor and receive a
continuing fee for providing personal services and/or the maintenance of
shareholder accounts of up to 0.25% on an annual basis of the average daily net
assets of the Class B and Class D shares for which the organizations are
responsible; and, for Class D shares only, fees for providing other distribution
assistance of up to 0.75% on an annual basis of such average daily net assets.
Such fees are paid monthly by the Fund to the Distributor pursuant to the Plan.

   With respect to Class B shares, a distribution fee of 0.75% on an annual
basis of average daily net assets is payable monthly by the Fund to the
Distributor; however, the Distributor has sold its rights to substantially all
of this fee to a third party (the "Purchaser"), which provides funding to the
Distributor to enable it to pay commissions to dealers at the time of the sale
of the related Class B shares.

   For the year ended December 31, 1997, fees incurred under the Plan,
equivalent to 1% per annum of the average daily net assets of Class B and Class
D shares, amounted to $54,805 and $781,422, respectively.

   The Distributor is entitled to retain any CDSL imposed on redemptions of
Class D shares occurring within one year of purchase and on certain redemptions
of Class A shares occurring within 18 months of purchase. For the year ended
December 31, 1997, such charges amounted to $11,752.

   The Distributor has sold its rights to collect any CDSL imposed on
redemptions of Class B shares to the Purchaser. In connection with the sale of
its rights to collect any CDSL and the distribution fees with respect to Class B
shares described above, the Distributor receives payments from the Purchaser
based on the value of Class B shares sold. The aggregate amount of such payments
and the Class B shares distribution fees retained by the Distributor, for the
year ended December 31, 1997, amounted to $14,432.

   Seligman Services, Inc., an affiliate of the Manager, is eligible to receive
commissions from certain sales of shares of the Fund, as well as distribution
and service fees pursuant to the Plan. For the year ended December 31, 1997,
Seligman Services, Inc. received commissions of $8,141 from the sales of shares
of the Fund. Seligman Services, Inc. also received distribution and service fees
of $51,665, pursuant to the Plan.

   Seligman Data Corp., which is owned by the Fund and certain associated
investment companies, charged the Fund at cost $630,508 for shareholder account
services. The Fund's investment in Seligman Data Corp. is recorded at cost of
$3,553.

   Certain officers and directors of the Fund are officers or directors of the
Manager, the Subadviser, the Distributor, Seligman Services, Inc., and/or
Seligman Data Corp.

   The Fund has a compensation arrangement under which directors who receive
fees may elect to defer receiving such fees. Interest is accrued on the deferred
balances. The annual cost of such fees and interest is included in directors'
fees and expenses and the accumulated balance thereof at December 31, 1997, of
$109,433 is included in other liabilities. Deferred fees and the related accrued
interest are not deductible for federal income tax purposes until such amounts
are paid.

<PAGE>


================================================================================
FINANCIAL HIGHLIGHTS


   The Fund's financial highlights are presented below. "Per share operating
performance" data is designed to allow investors to trace the operating
performance of each Class, on a per share basis, from the beginning net asset
value to the ending net asset value, so that investors can understand what
effect the individual items have on their investment, assuming it was held
throughout the period. Generally, per share amounts are derived by converting
the actual dollar amounts incurred for each item, as disclosed in the financial
statements, to their equivalent per share amounts.

   "Total return based on net asset value" measures each Class's performance
assuming that investors purchased Fund shares at net asset value as of the
beginning of the period, invested dividends and capital gains paid at net asset
value, and then sold their shares at the net asset value on the last day of the
period. The total return computations do not reflect any sales charges investors
may incur in purchasing or selling shares of the Fund. Total returns for periods
of less than one year are not annualized.

   "Average commission rate paid" represents the average commission paid by the
Fund to purchase or sell portfolio securities. It is determined by dividing the
total commission dollars paid by the number of shares purchased and sold during
the period for which commissions were paid. This rate is provided for periods
beginning January 1, 1996.

<TABLE>
<CAPTION>
                                                                                        CLASS A
                                                            -------------------------------------------------------------
                                                                                YEAR ENDED DECEMBER 31,
                                                            -------------------------------------------------------------
                                                                 1997o       1996o        1995o        1994o      1993
                                                              ---------    ---------    --------     --------   ---------
<S>                                                           <C>          <C>          <C>          <C>        <C>      
PER SHARE OPERATING PERFORMANCE:
NET ASSET VALUE, BEGINNING OF YEAR .....................      $   14.97    $   14.63    $  13.05     $  14.58   $   13.69
                                                              ---------    ---------    --------     --------   ---------
Net investment income ..................................            .71          .74         .76          .76         .75
Net realized and unrealized investment gain (loss) .....           1.41          .38        1.89        (1.57)       1.40
Net realized and unrealized gain (loss)
from foreign currency transactions .....................           (.10)         .04        (.01)         .03          --
                                                              ---------    ---------    --------     --------   ---------
INCREASE (DECREASE) FROM INVESTMENT
OPERATIONS .............................................           2.02         1.16        2.64         (.78)       2.15
Dividends paid .........................................           (.74)        (.73)       (.78)        (.75)       (.75)
Distributions from net gain realized ...................          (1.44)        (.09)       (.28)          --        (.51)
                                                              ---------    ---------    --------     --------   ---------
NET INCREASE (DECREASE) IN NET ASSET VALUE .............           (.16)         .34        1.58        (1.53)        .89
                                                              ---------    ---------    --------     --------   ---------
NET ASSET VALUE, END OF YEAR ...........................      $   14.81    $   14.97    $  14.63     $  13.05   $   14.58
                                                              =========    =========    ========     ========   =========
TOTAL RETURN BASED ON NET ASSET VALUE:                            14.06%        8.22%      20.60%       (5.43)%     15.98%

RATIOS/SUPPLEMENTAL DATA:
Expenses to average net assets .........................           1.14%        1.14%       1.00%        1.02%       1.03%
Net investment income to average net assets ............           4.66%        5.11%       5.38%        5.51%       5.29%
Portfolio turnover .....................................         138.90%      125.92%     111.78%       66.62%      60.62%
Average commission rate paid ...........................      $   .0170    $   .0361
NET ASSETS, END OF YEAR (000S OMITTED) .................      $ 270,688    $ 296,291   $ 318,307    $ 286,355   $ 321,040


- -------------
See footnotes on page 17.
</TABLE>

<PAGE>


================================================================================
FINANCIAL HIGHLIGHTS


<TABLE>
<CAPTION>
                                                                CLASS B                              CLASS D
                                                        -----------------------   --------------------------------------------
                                                           YEAR         4/22/96*         YEAR ENDED DECEMBER 31,       5/3/93*
                                                          ENDED           TO                                             TO
                                                        12/31/97o     12/31/96o    1997o     1996o    1995o    1994o  12/31/93
                                                        ---------     ---------   -------   -------  -------  ------- --------
PER SHARE OPERATING PERFORMANCE:

<S>                                                     <C>            <C>        <C>       <C>      <C>      <C>     <C>     
NET ASSET VALUE, BEGINNING OF YEAR ................     $ 14.95        $14.43     $ 14.95   $ 14.60  $ 13.01  $ 14.55 $  14.42
                                                        -------       -------     -------   -------    -----  ------- --------
Net investment income .............................         .59           .43         .59       .63      .65      .65      .45
Net realized and unrealized investment gain (loss)         1.41           .59        1.40       .38     1.88    (1.57)     .69
Net realized and unrealized gain (loss)
from foreign currency transactions ................        (.10)          .05        (.10)      .04     (.01)     .03       --
                                                        -------       -------     -------   -------    -----  ------- --------
INCREASE (DECREASE) FROM INVESTMENT
OPERATIONS ........................................        1.90          1.07        1.89      1.05     2.52     (.89)    1.14
Dividends paid ....................................        (.62)         (.46)       (.62)     (.61)    (.65)    (.65)    (.50)
Distributions from net gain realized ..............       (1.44)         (.09)      (1.44)     (.09)    (.28)      --     (.51)
                                                        -------       -------     -------   -------  -------  ------- --------
NET INCREASE (DECREASE) IN NET ASSET VALUE ........        (.16)          .52        (.17)      .35     1.59    (1.54)     .13
                                                        -------       -------     -------   -------  -------  ------  --------
NET ASSET VALUE, END OF YEAR ......................     $ 14.79       $ 14.95     $ 14.78   $ 14.95  $ 14.60  $ 13.01 $  14.55
                                                        =======       =======     =======   =======  =======  ======= ========

TOTAL RETURN BASED ON NET ASSET VALUE: ............       13.24%         7.58%      13.17%     7.43%   19.66%   (6.20)%   8.02%

RATIOS/SUPPLEMENTAL DATA:

Expenses to average net assets ....................        1.90%         1.89%+      1.90%     1.90%    1.79%    1.82%    1.84%+
Net investment income to average net assets .......        3.90%         4.36%+      3.90%     4.37%    4.58%    4.74%    4.42%+
Portfolio turnover ................................      138.90%       125.92%++   138.90%   125.92%  111.78%   66.62%   60.62%+++
Average commission rate paid ......................     $ .0170       $ .0361++   $ .0170   $ .0361
NET ASSETS, END OF YEAR (000S OMITTED) ............     $ 8,607       $ 2,961     $76,194   $81,957  $86,701  $67,946 $ 49,941
</TABLE>


- ------------
  * Commencement of offering of shares.
  o Per share amounts for the years ended December 31, 1997, 1996, 1995, and
    1994, are calculated based on average shares outstanding.
  + Annualized.
 ++ For the year ended December 31, 1996.
+++ For the year ended December 31, 1993.
See Notes to Financial Statements.

<PAGE>


================================================================================
REPORT OF INDEPENDENT AUDITORS



- --------------------------------------------------------------------------------
THE BOARD OF DIRECTORS AND SHAREHOLDERS,
SELIGMAN INCOME FUND, INC.:

We have audited the accompanying statement of assets and liabilities, including
the portfolio of investments, of Seligman Income Fund, Inc. as of December 31,
1997, the related statements of operations for the year then ended and of
changes in net assets for each of the years in the two-year period then ended,
and the financial highlights for each of the periods presented. These financial
statements and financial highlights are the responsibility of the Fund's
management. Our responsibility is to express an opinion on
these financial statements and financial highlights based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
December 31, 1997, by correspondence with the Fund's custodian and brokers;
where replies were not received from brokers, we performed other auditing
procedures. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

In our opinion, such financial statements and financial highlights present
fairly, in all material respects, the financial position of Seligman Income
Fund, Inc. as of December 31, 1997, the results of its operations, the changes
in its net assets, and the financial highlights for the respective stated
periods in conformity with generally accepted accounting principles.

DELOITTE & TOUCHE LLP
New York, New York
January 30, 1998
- --------------------------------------------------------------------------------




<PAGE>
                                                                File No. 2-10837
                                                                         811-525
PART C.  OTHER INFORMATION
ITEM 24.   FINANCIAL STATEMENTS AND EXHIBITS

    (a)  Financial Statements and Schedule:

   
    Part A  Financial  Highlights  for Class A shares  for the ten  years  ended
            December 31, 1997;  Financial  Highlights  for Class B shares of the
            Fund for the period from April 22, 1996  (commencement  of offering)
            to December 31, 1997;  Financial  Highlights  for Class D shares for
            the period from May 3, 1993  (commencement  of offering) to December
            31, 1997.

    Part B  Required  Financial  Statements,  which are  included  in the Fund's
            Annual  Report  to   Shareholders   dated  December  31,  1997,  are
            incorporated   by   reference  in  the   Statement   of   Additional
            Information.   These   Financial   Statements   are:   Portfolio  of
            Investments  as of  December  31,  1997;  Statement  of  Assets  and
            Liabilities as of December 31, 1997; Statement of Operations for the
            year ended  December 31, 1997;  Statements  of Changes in Net Assets
            for the years ended  December 31, 1997 and 1996;  Notes to Financial
            Statements;  Financial  Highlights for the five years ended December
            31,  1997 for the Fund's  Class A shares;  for the period  April 22,
            1996  (commencement of offering) to December 31, 1997 for the Fund's
            Class B shares;  and for the  period  May 3, 1993  (commencement  of
            offering)  through  December 31, 1997 for the Fund's Class D shares;
            Report of Independent Auditors.
    

    (b)  Exhibits:  All Exhibits  have been  previously  filed  except  Exhibits
         marked with an asterisk (*) are incorporated herein.

   
(1)     Articles  of  Amendment  and  Articles   Supplementary  to  Articles  of
        Incorporation of Registrant.  (Incorporated by reference to Registrant's
        Post-Effective Amendment No. 74, filed April 29, 1997.)

(2)     By-laws of the  Corporation.  (Incorporated by reference to Registrant's
        Post-Effective Amendment No. 74, filed April 29, 1997.)
    

(3)     Not applicable.

(4)     Specimen  certificate  of  Class  B  Capital  Stock.   (Incorporated  by
        reference to Form SE filed on April 16, 1996).

(4a)    Specimen  certificate  of  Class  D  Capital  Stock.   (Incorporated  by
        reference to Post-Effective Amendment No. 70 filed on April 23, 1993.)

(5)     Amended  Management  Agreement between Registrant and J. & W. Seligman &
        Co. Incorporated. (Incorporated by reference to Post-Effective Amendment
        No. 73 filed on April 19, 1996.)

   
(6)     Copy of Amended  Distributing  Agreement between Registrant and Seligman
        Financial  Services,  Inc.  (Incorporated  by reference to  Registrant's
        Post-Effective Amendment No. 74, filed April 29, 1997.)
    

(6a)    Copy  of  Amended  Sales  Agreement  between   Registrant  and  Seligman
        Financial  Services,  Inc.  (Incorporated by reference to Post-Effective
        Amendment No. 73 filed on April 19, 1996.)

(6b)    Form of Sales Agreement between Seligman  Financial  Services,  Inc. and
        Dean Witter Reynolds,  Inc.  (Incorporated by reference to Exhibit 6b of
        Registration  Statement No.  2-33566,  Post-Effective  Amendment No. 53,
        filed on April 28, 1997.)

(6c)    Form of Sales Agreement between Seligman  Financial  Services,  Inc. and
        Dean Witter Reynolds, Inc. with respect to certain Chilean institutional
        investors.  (Incorporated  by  reference  to Exhibit 6c of  Registration
        Statement No. 2-33566,  Post-Effective  Amendment No. 53, filed on April
        28, 1997.)

(6d)    Form of Dealer Agreement between Seligman Financial  Services,  Inc. and
        Smith  Barney  Inc.   (Incorporated   by  reference  to  Exhibit  6d  of
        Registration  Statement No.  2-33566,  Post-Effective  Amendment No. 53,
        filed on April 28, 1997.)

<PAGE>
                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION (continued)
ITEM 24.   FINANCIAL STATEMENTS AND EXHIBITS (continued)

(7)     Matched  Accumulation  Plan  of J.  & W.  Seligman  & Co.  Incorporated.
        (Incorporated  by reference to Exhibit 7 of  Registration  Statement No.
        2-92487, Post-Effective Amendment No. 21, filed on January 29, 1997.)

   
(7a)    Deferred Compensation Plan for Directors of Seligman Income Fund.*

(8)     Copy of Custodian  Agreement between Registrant and Investors  Fiduciary
        Trust Company. (Incorporated by reference to Registrant's Post-Effective
        Amendment No. 74, filed April 29, 1997.)
    

(9)     Not applicable.

   
(10)    Opinion  and  Consent  of  Counsel.   (Incorporated   by   reference  to
        Registrant's Post-Effective Amendment No. 74, filed April 29, 1997.)
    

(11)    Report and Consent of Independent Auditors.*

(12)    Not applicable.

(13)    Purchase  Agreement for Initial  Capital  between  Registrant's  Class B
        shares  and  J.  & W.  Seligman  & Co.  Incorporated.  (Incorporated  by
        reference to Post-Effective Amendment No. 73 filed on April 19, 1996.)

   
(13a)   Purchase  Agreement for Initial  Capital  between  Registrant's  Class D
        shares  and  J.  & W.  Seligman  & Co.  Incorporated.  (Incorporated  by
        reference to Registrant's  Post-Effective  Amendment No. 74, filed April
        29, 1997.)

(14)    The Seligman  Roth/Traditional  IRA Information  Kit.  (Incorporated  by
        reference to Exhibit q(1) of Registration Statement No. 333-50295,  Form
        N-2, filed on April 16, 1998.)
    

(14a)   The Seligman Simple IRA Plan Set-Up Kit.  (Incorporated  by reference to
        Exhibit  14  of  Registration  Statement  No.  333-20621,  Pre-Effective
        Amendment No. 2, filed on April 17, 1997.)

(14b)   The Seligman  Simple IRA Plan Agreement.  (Incorporated  by reference to
        Exhibit  14  of  Registration  Statement  No.  333-20621,  Pre-Effective
        Amendment No. 2, filed on April 17, 1997.)

   
(14c)   Qualified Plan and Trust Basic Plan Document. (Incorporated by reference
        to Exhibit q(4) to Registration No. 333-50295,  Form N-2, filed on April
        16, 1998.)

(14d)   Flexible  Standardized  401(k) Profit  Sharing Plan Adoption  Agreement.
        (Incorporated   by  reference  to  Exhibit  q(4)  to  Registration   No.
        333-50295, Form N-2, filed on April 16, 1998.)

(14e)   Flexible Nonstandardized Safe Harbor 401(k) Profit Sharing Plan Adoption
        Agreement.  (Incorporated  by reference to Exhibit q(4) to  Registration
        No. 333-50295, Form N-2, filed on April 16, 1998.)

(14f)   Simplified Employee Pension Plan.  (Incorporated by reference to Exhibit
        14(f) to  Registration  No.  2-10835,  Post-Effective  Amendment No. 76,
        filed on April 29, 1998.)

(14g)   Educational  IRA.   (Incorporated  by  reference  to  Exhibit  14(f)  to
        Registration  No.  2-10835,  Post-Effective  Amendment  No. 76, filed on
        April 29, 1998.)
    
(15)    Form of  Administration,  Shareholder  Services and Distribution Plan of
        Registrant.  (Incorporated by reference to Post-Effective  Amendment No.
        73 filed on April 19, 1996.)

(15a)   Form of Administration,  Shareholder Services and Distribution Agreement
        between Seligman Financial Services, Inc. and Dealers.  (Incorporated by
        reference to Post-Effective Amendment No. 73 filed on April 19, 1996.)

   
(16)    Schedule of  Computation of  Performance  Data provided in  Registration
        Statement  in  response  to  Item  22.  (Incorporated  by  reference  to
        Registrant's Post-Effective Amendment No. 74, filed April 29, 1997.)
    

(17)    Financial Data Schedules  meeting the requirements of Rule 483 under the
        Securities Act of 1933.*

(18)    Copy of  Multiclass  Plan  entered into by  Registrant  pursuant to Rule
        18f-3  under  the  Investment  Company  Act of  1940.  (Incorporated  by
        reference to Post-Effective Amendment No. 73 filed on April 19, 1996.)

Other Exhibits:  Power of Attorney*

<PAGE>
                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION (continued)

ITEM 25.   PERSONS  CONTROLLED  BY OR UNDER  COMMON  CONTROL  WITH  REGISTRANT -
           Seligman Data Corp. ("SDC"), a New York corporation,  is owned by the
           Registrant  and  certain   associated   investment   companies.   The
           Registrant's investment in SDC is recorded at a cost of $3,553.

ITEM 26.   NUMBER OF HOLDERS OF SECURITIES

   
                         (1)                                (2)
                                                     Number of Record
                    Title of Class               Holder as of March 31, 1998
                    --------------               ---------------------------
                    Class A Common Stock                 10,051
                    Class B Common Stock                    438
                    Class D Common Stock                  3,465
    

ITEM 27.  INDEMNIFICATION

   
           Reference  is  made  to  the  provisions  of  Articles   Twelfth  and
           Thirteenth  of   Registrant's   Amended  and  Restated   Articles  of
           Incorporation   filed  as  Exhibit   24(b)(1)   and   Article  IV  of
           Registrant's  Amended and Restated  By-laws filed as Exhibit 24(b)(2)
           to Registrant's  Post-Effective  Amendment No. 74 to the Registration
           Statement.
    

           Insofar  as  indemnification   for  liabilities   arising  under  the
           Securities  Act of 1933 may be permitted to  directors,  officers and
           controlling  persons  of the  registrant  pursuant  to the  foregoing
           provisions,  or  otherwise,  the  registrant  has been advised by the
           Securities and Exchange  Commission such  indemnification  is against
           public   policy  as   expressed   in  the  Act  and  is,   therefore,
           unenforceable.  In the event that a claim for indemnification against
           such  liabilities  (other  than  the  payment  by the  registrant  of
           expenses  incurred  or paid by a  director,  officer  or  controlling
           person of the  registrant  in the  successful  defense of any action,
           suit  or  proceeding)  is  asserted  by  such  director,  officer  or
           controlling   person  in  connection   with  the   securities   being
           registered, the registrant will, unless in the opinion of its counsel
           the matter has been  settled by  controlling  precedent,  submit to a
           court  of  appropriate   jurisdiction   the  question   whether  such
           indemnification  by it is against  public  policy as expressed in the
           Act and will be governed by the final adjudication of such issue.

 ITEM 28.  Business and Other  Connections  of Investment  Adviser - The Manager
           also serves as investment manager to seventeen associated  investment
           companies.  They are  Seligman  Capital  Fund,  Inc.,  Seligman  Cash
           Management  Fund, Inc.,  Seligman Common Stock Fund,  Inc.,  Seligman
           Communications  and Information  Fund, Inc.,  Seligman Frontier Fund,
           Inc.,  Seligman Growth Fund,  Inc.,  Seligman  Henderson  Global Fund
           Series,  Inc.,  Seligman High Income Fund Series,  Seligman Municipal
           Fund Series,  Inc.,  Seligman  Municipal  Series Trust,  Seligman New
           Jersey Municipal Fund,  Inc.,  Seligman  Pennsylvania  Municipal Fund
           Series,  Seligman Portfolios,  Inc., Seligman Quality Municipal Fund,
           Inc.,  Seligman  Select  Municipal  Fund,  Inc.,  Seligman Value Fund
           Series, Inc. and Tri-Continental Corporation.

   
           The  Manager  has  an  investment  advisory  service  division  which
           provides investment management or advice to private clients. The list
           required by this Item 28 of officers  and  directors  of the Manager,
           together  with  information  as to any  other  business,  profession,
           vocation or  employment of a  substantial  nature  engaged in by such
           officers and directors  during the past two years, is incorporated by
           reference  to  Schedules A and D of Form ADV,  filed by the  Manager,
           pursuant  to the  Investment  Advisers  Act of  1940  (SEC  File  No.
           801-15798), which was filed on March 31, 1998.
    

<PAGE>
                                                                File No. 2-10837
                                                                         811-525

 PART C. OTHER INFORMATION (continued)

 ITEM 29.  PRINCIPAL UNDERWRITERS
 (a)       The names of each investment  company (other than the Registrant) for
           which Registrant's  principal  underwriter is currently  distributing
           securities   of  the   Registrant   and  also  acts  as  a  principal
           underwriter, depositor or investment adviser are as follows:

                        Seligman Capital Fund, Inc.
                        Seligman Cash Management Fund, Inc.
                        Seligman Common Stock Fund, Inc.
                        Seligman Communications and Information Fund, Inc.
                        Seligman Frontier Fund, Inc.
                        Seligman Growth Fund, Inc.
                        Seligman Henderson Global Fund Series, Inc.
                        Seligman High Income Fund Series
                        Seligman Municipal Fund Series, Inc.
                        Seligman Municipal Series Trust
                        Seligman New Jersey Municipal Fund, Inc.
                        Seligman Pennsylvania Municipal Fund Series
                        Seligman Portfolios, Inc.
                        Seligman Value Fund Series, Inc.

(b)        Name of each director,  officer or partner of Registrant's  principal
           underwriter named in the answer to Item 21:

<TABLE>
<CAPTION>
   
                                               Seligman Financial Services, Inc.
                                               ---------------------------------
                                                     As of March 31, 1998
                                                     --------------------
                (1)                                         (2)                                             (3)
        Name and Principal                          Positions and Offices                          Positions and Offices
         Business Address                             with Underwriter                                with Registrant
         ----------------                             ----------------                                ---------------
<S>      <C>                                           <C>                                         <C>

         WILLIAM C. MORRIS*                            Director                                    Chairman of the Board and
                                                                                                   Chief Executive Officer
         BRIAN T. ZINO*                                Director                                    Director and President
         RONALD T. SCHROEDER*                          Director                                    None
         FRED E. BROWN*                                Director                                    Director Emeritus
         WILLIAM H. HAZEN*                             Director                                    None
         THOMAS G. MOLES*                              Director                                    None
         DAVID F. STEIN*                               Director                                    None
         STEPHEN J. HODGDON*                           President                                   None
         CHARLES W. KADLEC*                            Chief Investment Strategist                 None
         LAWRENCE P. VOGEL*                            Senior Vice President, Finance              Vice President
         ED LYNCH*                                     Senior Vice President, Director             None
                                                       of Marketing
         MARK R. GORDON*                               Senior Vice President, National             None
                                                       Sales Manager
         GERALD I. CETRULO, III                        Senior Vice President of Sales,             None
         140 West Parkway                              Regional Sales Manager
         Pompton Plains, NJ  07444
         JONATHAN G. EVANS                             Senior Vice President of Sales              None
         222 Fairmont Way
         Ft. Lauderdale, FL  33326
         BRADLEY W. LARSON                             Senior Vice President of Sales,             None
         367 Bryan Drive                               Regional Sales Manager
         Alamo, CA  94526
         BRUCE TUCKEY                                  Senior Vice President of Sales              None
         41644 Chathman Drive
         Novi, MI  48375
         ANDREW VEASEY                                 Senior Vice President of Sales              None
         14 Woodside Drive
         Rumson, NJ  07760
    
</TABLE>

<PAGE>
                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION (continued)

<TABLE>
<CAPTION>
   
                                               Seligman Financial Services, Inc.
                                               ---------------------------------
                                                     As of March 31, 1998
                                                     --------------------
               (1)                                           (2)                                         (3)
        Name and Principal                           Positions and Offices                       Positions and Offices
         Business Address                              with Underwriter                            with Registrant
         ----------------                              ----------------                            ---------------
<S>      <C>                                           <C>                                         <C>
         MICHELLE L. MCCANN                            Vice President, Manager, Retirement         None
                                                       Plans Marketing
         SCOTT H. NOVAK                                Vice President, Insurance Products          None
                                                       Manager
         MICHAEL R. SANDERS                            Vice President, Product Manager             None
         CHARLES L. VON BREITENBACH, II*               Vice President, Product Manager             None
                                                       Managed Money Services
         ROBERT T. HAUSLER*                            Vice President, Global Mutual Funds,        None
                                                       Product Management
         MARSHA E. JACOBY*                             Vice President, Offshore Funds              None
         WILLIAM W. JOHNSON*                           Vice President, Order Desk                  None
         TRACY A. SALOMON*                             Vice President, Retirement                  None
                                                       Marketing Manager
         HELEN SIMON*                                  Vice President, Sales                       None
                                                       Administration Manager
         J. BRERETON YOUNG*                            Vice President, Mutual Funds                None
                                                       Product Manager
         PETER J. CAMPAGNA                             Vice President, Regional Retirement         None
         1130 Green Meadow Court                       Plans Manager
         Acworth, GA  30102
         MASON S. FLINN                                Vice President, Regional Retirement         None
         159 Varennes                                  Plans Manager
         San Francisco, CA  94133
         CHARLES E. WENZEL                             Vice President, Regional Retirement         None
         703 Greenwood Road                            Plans Manager
         Wilmington, DE  19807
         JAMES R. BESHER                               Regional Vice President                     None
         14000 Margaux Lane
         Town & Country, MO  63017
         RICHARD B. CALLAGHAN                          Regional Vice President                     None
         7821 Dakota Lane
         Orland Park, IL  60462
         BRADFORD C. DAVIS                             Regional Vice President                     None
         241 110th Avenue SE
         Bellevue, WA  98004
         CHRISTOPHER J. DERRY                          Regional Vice President                     None
         2380 Mt. Lebanon Church Road
         Alvaton, KY  42122
         KENNETH DOUGHERTY                             Regional Vice President                     None
         8640 Finlarig Drive
         Dublin, OH  43017
         ANDREW DRALUCK                                Regional Vice President                     None
         4032 E. Williams Drive
         Phoenix, AZ  85024
         EDWARD S. FINOCCHIARO                         Regional Vice President                     None
         120 Screenhouse Lane
         Duxbury, MA  02332
    
</TABLE>

<PAGE>
                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION (continued)

   
<TABLE>
<CAPTION>
                                               Seligman Financial Services, Inc.
                                               ---------------------------------
                                                     As of March 31, 1998
                                                     --------------------
                (1)                                           (2)                                        (3)
        Name and Principal                           Positions and Offices                      Positions and Offices
         Business Address                              with Underwriter                            with Registrant
         ----------------                              ----------------                            ---------------
<S>      <C>                                           <C>                                         <C>
         MICHAEL C. FORGEA                             Regional Vice President                     None
         32 W. Anapamu Street # 186
         Santa Barbara, CA  93101
         DAVID GARDNER                                 Regional Vice President                     None
         2403 Cayenne Drive
         McKinney, TX  75070
         CARLA A. GOEHRING                             Regional Vice President                     None
         11426 Long Pine Drive
         Houston, TX  77077
         T. WAYNE KNOWLES                              Regional Vice President                     None
         104 Morninghills Court
         Cary, NC  27511
         JUDITH L. LYON                                Regional Vice President                     None
         7105 Harbour Landing
         Alpharetta, GA  30005
         DAVID MEYNCKE                                 Regional Vice President                     None
         4957 Cross Point Drive
         Oldsmar, FL  34677
         TIM O'CONNELL                                 Regional Vice President                     None
         11908 Acacia Glen Court
         San Diego, CA  92128
         THOMAS PARNELL                                Regional Vice President                     None
         1575 Edgecomb Road
         St. Paul, MN  55116
         JULIANA PERKINS                               Regional Vice President                     None
         2348 Adrian Street
         Newbury Park, CA  91320
         DAVE PETZKE                                   Regional Vice President                     None
         4016 Saint Lucia Street
         Boulder, CO  80301
         NICHOLAS ROBERTS                              Regional Vice President                     None
         200 Broad Street, Apt. 2225
         Stamford, CT  06901
         DIANE H. SNOWDEN                              Regional Vice President                     None
         11 Thackery Lane
         Cherry Hill, NJ  08003
         STEVE WILSON                                  Regional Vice President                     None
         83 Kaydeross Park
         Saratoga Springs, NY  12866
         KELLI A. WIRTH-DUMSER                         Regional Vice President                     None
         7121 Jardiniere Court
         Charlotte, NC  28215
         FRANK J. NASTA*                               Secretary                                   Secretary
         AURELIA LACSAMANA*                            Treasurer                                   None
         JEFFREY S. DEAN*                              Assistant Vice President, Marketing         None
    
</TABLE>

<PAGE>
                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION (continued)
<TABLE>
<CAPTION>

   
                                               Seligman Financial Services, Inc.
                                               ---------------------------------
                                                     As of March 31, 1998
                                                     --------------------
                (1)                                          (2)                                        (3)
        Name and Principal                           Positions and Offices                      Positions and Offices
         Business Address                              with Underwriter                            with Registrant
         ----------------                              ----------------                            ---------------
<S>      <C>                                           <C>                                         <C>
         SANDRA FLORIS*                                Assistant Vice President, Order Desk        None
         KEITH LANDRY*                                 Assistant Vice President, Order Desk        None
         GAIL S. CUSHING*                              Assistant Vice President,                   None
                                                       National Accounts Manager
         JOSEPH M. MCGILL*                             Vice President,                             None
                                                       Compliance Officer
         JACK TALVY*                                   Assistant Vice President, Internal          None
                                                       Marketing Services Manager
         JOYCE PERESS*                                 Assistant Secretary                         None
    
</TABLE>

       * The  principal  business  address  of each of  these  directors  and/or
officers is 100 Park Avenue, New York, NY 10017.

       (c) Not applicable.

   
ITEM 30.   LOCATION OF ACCOUNTS AND RECORDS
                             (1)    Investors Fiduciary Trust Company
                                    801 Pennsylvania
                                    Kansas City, Missouri 64105 AND
                             (2)    Seligman Data Corp.
                                    100 Park Avenue
                                    New York, NY  10017


ITEM 31.   MANAGEMENT  SERVICES - Seligman Data Corp.  ("SDC") the  Registrant's
           shareholder  service agent, has an agreement with First Data Investor
           Services  Group  ("FDISG")  pursuant to which  FDISG  provides a data
           processing   system   for   certain   shareholder    accounting   and
           recordkeeping  functions  performed by SDC,  which  commenced in July
           1990.  For the  years  ended  December  31,  1997,  1996 and 1995 the
           approximate cost of these services were:

                                        1997           1996         1995
                                        ----           ----         ----


               Class A Shares     $56,682.48        $61,000     $ 63,300
               Class B Shares       1,693.44            380           --
               Class D Shares      20,066.76         21,500       15,300
    

ITEM 32.   UNDERTAKINGS  - The Registrant  undertakes,  (1) to furnish a copy of
           the  Registrant's  latest  annual  report,  upon  request and without
           charge,  to every person to whom a prospectus is delivered and (2) if
           requested  to do so by the  holders  of at least ten  percent  of its
           outstanding shares, to call a meeting of shareholders for the purpose
           of voting upon the removal of a director or  directors  and to assist
           in  communications  with other  shareholders  as  required by Section
           16(c) of the Investment Company Act of 1940.

<PAGE>
                                                                File No. 2-10837
                                                                         811-525


                                   SIGNATURES

      Pursuant  to the  requirements  of the  Securities  Act of  1933,  and the
Investment  Company Act of 1940, the  Registrant  certifies that it meets all of
the requirements for effectiveness of this Post-Effective  Amendment pursuant to
Rule  485(b)  under  the  Securities  Act of  1933  and  has  duly  caused  this
Post-Effective  Amendment No. 75 to its  Registration  Statement to be signed on
its behalf by the  undersigned,  thereunto duly  authorized,  in the City of New
York, State of New York, on the 29th day of April, 1998.

                                       SELIGMAN INCOME FUND, INC.


                                       By: /s/ WILLIAM C. MORRIS
                                           -------------------------------------
                                               William C. Morris, Chairman



      Pursuant  to the  requirements  of the  Securities  Act of  1933  and  the
Investment  Company Act of 1940, this  Post-Effective  Amendment No. 75 has been
signed  below by the  following  persons in the  capacities  indicated  on April
29, 1998.


            Signature                                Title
            ---------                                -----


/s/ WILLIAM C. MORRIS
- ---------------------------------     Chairman of the Board (Principal executive
    William C. Morris*                officer) and Director



/s/  BRIAN T. ZINO
- ---------------------------------     Director and President
     Brian T. Zino



/s/  THOMAS G. ROSE
- ---------------------------------     Treasurer
     Thomas G. Rose


John R. Galvin, Director               )
Alice S. Ilchman, Director             )
Frank A. McPherson, Director           )
John E. Merow, Director                )
Betsy S. Michel, Director              )   /s/ BRIAN T. ZINO
James C. Pitney, Director              )   -------------------------------------
James Q. Riordan, Director             )     * Brian T. Zino, Attorney-in-fact
Richard R. Schmaltz, Director          )  
Robert L. Shafer, Director             )  
James N. Whitson, Director             )  


<PAGE>
                                                                File No. 2-10837
                                                                         811-525

                           SELIGMAN INCOME FUND, INC.
                     Post-Effective Amendment No. 75 to the
                       Registration Statement on Form N-1A


                                  EXHIBIT INDEX


Form N-1A Item No.                    Description
- ------------------                    -----------

24(b)(7)(a)                           Deferred Compensation Plan for Directors

24(b)(11)                             Consent of Independent Auditors

24(b)(17)                             Financial Data Schedules

Other exhibits                        Power of Attorney



                    DEFERRED COMPENSATION PLAN FOR DIRECTORS

                                       OF

                           SELIGMAN INCOME FUND, INC.
                                    ("FUND")


1. ELECTION TO DEFER PAYMENTS. Any member of the Board of Directors (herein, a
"Director") of the Fund may elect to have payment of that Director's annual
retainer or meeting fees or both for Board service deferred as provided in this
Plan. The election shall be made in writing prior to, and to take effect from,
the beginning of a calendar year. For any Director in the year in which this
Plan is adopted or for a person elected a director in other than the last
calendar month of a year, the election shall be made within 30 days after that
event and prior to, and to take effect from, the beginning of the calendar
quarter next ensuing after that event. Elections shall continue in effect until
terminated in writing, any such termination to take effect on the first day of
the calendar year beginning after receipt of the notice of termination. An
election shall be irrevocable as to payments deferred in conformity with that
election.

2. DEFERRED PAYMENT ACCOUNT. Each deferred retainer or fee shall be credited at
the time when it otherwise would have been payable to an account to be
established in the name of the Director on the books of the Fund (the "Deferred
Payment Account") adjusted for notional investment experience as hereinafter
described.

3. RETURN ON DEFERRED PAYMENT ACCOUNT BALANCE. (a) For purposes of measuring the
investment return on his Deferred Payment Account, the Director may elect to
have the aggregate amount of his deferred compensation (or a specified portion
thereof) receive a return (i) at a rate equal to the return earned on
three-month U.S. Treasury Bills at the beginning of each calendar quarter (the
"Treasury Bill Rate") and such interest shall be credited to the account
quarterly at the end of each calendar quarter, or (ii) at a rate of return
(positive or negative) equal to the rate of return on the shares of any of the
registered investment companies managed by J. & W. Seligman & Co. Incorporated
("Seligman") or any other entity controlling, controlled by, or under common
control with (as such terms are defined in the Investment Company Act of 1940)
Seligman (each, a "Notional Fund"), assuming reinvestment of dividends and
distributions from the Notional Funds. (b) A Director may amend his designation
of investment return as of the end of each calendar quarter by giving written
notice to the President of the Fund at least 30 days prior to the end of such
calendar quarter. A timely change to a Director's designation of investment
return shall become effective on the first day of the calendar quarter following
receipt by the President of the Fund (the "President").

4. NOTIONAL INVESTMENT EXPERIENCE. Amounts credited to a Deferred Payment
Account shall be periodically adjusted for notional investment experience. In
each case such notional investment experience shall be determined by treating
the Deferred Payment Account as though an equivalent dollar amount had been
invested and reinvested in one or more of the Notional Funds. The Notional Funds
used as a basis for determining notional investment experience with respect to
any Director's Deferred Payment Account shall be designated by the Director in
writing by instrument of election substantially in the form attached hereto as
Exhibit C and may be changed prospectively by similar written election effective
as of the first day of any calendar quarter. The President may from time to time
limit the Notional Funds available for purposes of such election. If at any time
any Notional Fund that has previously been
                                                                         (3/98)

<PAGE>

designated by a Director as a notional investment shall cease to exist or shall
be unavailable for any reason, or if the Director fails to designate one or more
Notional Funds pursuant to this Section 4, the President may, at his discretion
and upon notice to the Director, treat any amounts notionally invested in such
Notional Fund (whether representing past amounts credited to a Director's
Deferred Payment Account or subsequent fee deferrals or both) as having been
invested at the Treasury Bill Rate, only until such time as the Director shall
have made another investment election in accordance with the foregoing
procedures. Deferred Payment Accounts shall continue to be adjusted for notional
investment experience until distributed in full in accordance with the
distribution method elected by the Director pursuant to Section 5 hereof.

5. PAYMENT OF DEFERRED AMOUNTS. All amounts credited to an account pursuant to
any election by the Director made as provided in Section 1 hereof shall be paid
to the Director

         (a)      in, or beginning in, the calendar year following the calendar
                  year in which the Director ceases to be a Director of the
                  Fund, or

         (b)      in, or beginning in, the calendar year following the earlier
                  of the calendar year in which the Director ceases to be a
                  Director of the Fund or attains age 70,

                  and shall be paid

         (c)      in a lump sum payable on the first day of the calendar year in
                  which payment is to be made, or

         (d)      in 10 or fewer installments, payable on the first day of each
                  year commencing with the calendar year in which payment is to
                  begin, all as the Director shall specify in making the
                  election. If the payment is to be made in installments, the
                  amount of each installment shall be equal to a fraction of the
                  total of the amounts in the account at the date of the payment
                  the numerator of which shall be one and the denominator of
                  which shall be the then remaining number of unpaid
                  installments (including the installment then to be paid). If
                  the Director dies at any time before all amounts in the
                  account have been paid, such amounts shall be paid at that
                  time in a lump sum to the beneficiary or beneficiaries
                  designated by the Director in writing to receive such payments
                  or in the absence of such a designation to the estate of the
                  Director.

The Board of Directors may, in the case of an unforseeable emergency, at its
sole discretion accelerate the payment of any unpaid amount for any or all
Directors. For purposes of this paragraph, an unforseeable emergency is severe
financial hardship to the Director resulting from a sudden and unexpected
illness or accident of the Director or of a dependent (as defined in section
152(a) of the Internal Revenue Code) of the Director, loss of the Director's
property due to casualty, or other similar extraordinary and unforseeable
circumstances arising as a result of events beyond the control of the Director.
Payment due to an unforseeable emergency may not be made to the extent that such
hardship is or may be relieved (i) through reimbursement or compensation by
insurance or otherwise; (ii) by liquidation of the Director's assets, to the
extent the liquidation of such assets would not itself cause severe financial
hardship, or (iii) by cessation of deferrals under the Plan. Examples of what
are not considered to be unforseeable emergencies include the need to send a
Director's child to college or the desire to purchase a home.
                                                                         (3/98)

<PAGE>

Withdrawals of amounts because of an unforseeable emergency are only permitted
to the extent reasonably necessary to satisfy the emergency need.

6. ASSIGNMENT. No deferred amount or unpaid portion thereof may be assigned or
transferred by the Director except by will or the laws of descent and
distribution.

7. WITHHOLDING TAXES. The Fund shall deduct from all payments any federal, state
or local taxes and other charges required by law to be withheld with respect to
such payments.

8. NATURE OF RIGHTS; NONALIENATION. A Director's rights to deferred payment
under the Plan shall be solely those of an unsecured general creditor of the
Fund, and any payments by the Fund pursuant to the Plan will be made solely from
the Fund's general assets and property. The Fund will be under no obligation to
purchase, hold or dispose of any investment for the specific benefit of any
Director but, if the Fund should choose to purchase shares of any Notional Fund
in order to cover all or a portion of its obligations under the Plan, then such
investments will continue to be a part of the general assets and property of the
Fund. A Director's rights under the Plan may not be transferred, assigned,
pledged or otherwise alienated, and any attempt by the Director to do so shall
be null and void.

9. STATUS OF DIRECTOR. Nothing in the Plan nor any election hereunder shall be
construed as conferring on any Director the right to remain a Director of the
Fund or to receive fees at any particular rate.

10. AMENDMENT AND ACCELERATION. The Board of Directors may at any time at its
sole discretion amend or terminate this Plan, provided that no such amendment or
termination shall adversely affect the right of Directors to receive deferred
amounts credited to their account.

11. ADMINISTRATION. The Plan shall be administered by the President or by such
person or persons as the President may designate to carry out administrative
functions hereunder. The President shall have complete discretion to interpret
and administer the Plan in accordance with its terms, and his determinations
shall be binding on all persons.


Amended as of March 19, 1998

                                                                          (3/98)
<PAGE>

                                                                       EXHIBIT A

                          SELIGMAN INVESTMENT COMPANIES

                           DEFERRED COMPENSATION PLAN
                                  ELECTION FORM

         Pursuant to the Deferred Compensation Plan for Directors, as amended as
of March 19, 1998, (the "Plan") adopted by each of the Seligman Investment
Companies (the "Funds"), I hereby elect to have ___% of my annual retainer fees
and ___% of my meeting fees for service to the Funds deferred as provided in the
Plan. This election will take effect at such time as is provided in section 1 of
the Plans, and shall continue in effect until terminated in writing, any such
termination to take effect of the first day of the next calendar year beginning
after receipt of the notice of termination.

         The Deferred Compensation Plan Return Designation Form attached hereto
indicates the percentage of each of the above amounts that should earn the
designated returns. Such designations shall remain in effect until changed by
submission of a new form as provided in the Plan.

         All amounts deferred with respect to any Fund and the earnings thereon
made pursuant to any election by me shall be credited to an account for my
benefit and shall be paid to me:

        CHECK (a) OR (b)
                    (a) in, or beginning in, the calendar year following the
                        calendar year in which I cease to be a director of the
        ------          Fund, or

                    (b) in, or beginning in, the calendar year following the
                        earlier of the calendar year in which I cease to be a
        ------          director of the Fund or attain age 70,

                        and shall be paid

        CHECK (c) OR (d)
                    (c) in a lump sum payable on the first day of the calendar
        ------          year in which payment is to be made, or

                    (d) in 10 or fewer installments, payable on the first day of
                        each year commencing with the calendar year in which
        ------          payment is to begin.

         IF (d) IS SELECTED, ENTER NUMBER OF ANNUAL INSTALLMENTS _________.

         If the payment is to be made in installments, the amount of each
  installment shall be equal to a fraction of the total of the amounts in the
  account at the date of the payment the numerator of which shall be one and the
  denominator of which shall be the then remaining number of unpaid installments
  (including the installment then to be paid). If I die at any time before all
  amounts in the account have been paid, such amounts shall be paid at that time
  in a lump sum to the beneficiary or beneficiaries designated by me on the
  attached Beneficiary Designation Form or in the absence of such a designation
  to my estate.


- --------------------------------          --------------------------------------
Date                                      Signature
                                                                         (3/98)

<PAGE>

                                                                       EXHIBIT B

                           DEFERRED COMPENSATION PLAN
                          BENEFICIARY DESIGNATION FORM

I hereby designate the following beneficiary or beneficiaries to receive at my
death the amounts held in my Deferred Payment Accounts from my participation in
the Deferred Compensation Plans for Directors/Trustees of all registered
investment companies advised by J. & W. Seligman & Co. Incorporated for which I
serve as a director or trustee (the "Plans").

A.       PRIMARY BENEFICIARY(IES)

1.       Name:                              % Share:
              -----------------------------         ----------------------------

         Address:
                 ---------------------------------------------------------------

         Relationship:            DOB:        Social Security #:
                      ----------      -------                   ----------------

         Trustee Name and Date (if beneficiary is a trust):
                                                           ---------------------

         Trustee of Trust:
                          ------------------------------------------------------

2.       Name:                              % Share:                            
              -----------------------------         ----------------------------
                                                                                
         Address:                                                               
                 ---------------------------------------------------------------
                                                                                
         Relationship:            DOB:        Social Security #:                
                      ----------      -------                   ----------------
                                                                                
         Trustee Name and Date (if beneficiary is a trust):                     
                                                           ---------------------
                                                                                
         Trustee of Trust:                                                      
                          ------------------------------------------------------


B.       CONTINGENT BENEFICIARY(IES)

1.       Name:                              % Share:
              -----------------------------         ----------------------------

         Address:
                 ---------------------------------------------------------------

         Relationship:            DOB:        Social Security #:
                      ----------      -------                   ----------------

         Trustee Name and Date (if beneficiary is a trust):
                                                           ---------------------

         Trustee of Trust:
                          ------------------------------------------------------

2.       Name:                              % Share:                            
              -----------------------------         ----------------------------
                                                                                
         Address:                                                               
                 ---------------------------------------------------------------
                                                                                
         Relationship:            DOB:        Social Security #:                
                      ----------      -------                   ----------------
                                                                                
         Trustee Name and Date (if beneficiary is a trust):                     
                                                           ---------------------
                                                                                
         Trustee of Trust:                                                      
                          ------------------------------------------------------
                                                                         (3/98)

I understand that I may revoke or amend the above designation at any time. I
understand that payment will be made to my Contingent Beneficiary(ies) only if
there is no surviving Primary Beneficiary(ies). I further understand that if I
am not survived by any Primary or Contingent Beneficiaries, payment will be made
to my estate as set forth under the Plans.


- --------------------------------          --------------------------------------
Date                                      Signature


                                          --------------------------------------
                                          Participant's Name Printed
                                                                         (3/98)

<PAGE>

                                                                      EXHIBIT C

                          SELIGMAN INVESTMENT COMPANIES
                           DEFERRED COMPENSATION PLANS
                             RETURN DESIGNATION FORM
<TABLE>
<CAPTION>

I elect to have my deferred compensation for all registered investment companies
advised by J. & W. Seligman & Co. Incorporated for which I serve as a Director
or Trustee deemed to be invested as specified below:

- ------------------------------------------------------- --------------- ---------------
                                                                         % Allocation
                                                        % Allocation    for accumulated
                                                        for future fees     balances
- ------------------------------------------------------- --------------- ---------------
<S>                                                     <C>             <C>
At the prevailing three-month U.S. Treasury Bill Rate
- ------------------------------------------------------- --------------- ---------------
Seligman Capital Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Cash Management Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Common Stock Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Communications and Information Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Frontier Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Growth Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Henderson Global Fund Series, Inc. -
 Seligman Henderson Emerging Markets Growth Fund
- ------------------------------------------------------- --------------- ---------------
Seligman Henderson Global Fund Series, Inc. -
 Seligman Henderson Global Growth Opportunities Fund
- ------------------------------------------------------- --------------- ---------------
Seligman Henderson Global Fund Series, Inc. -
 Seligman Henderson Global Smaller Companies Fund
- ------------------------------------------------------- --------------- ---------------
Seligman Henderson Global Fund Series, Inc. -
 Seligman Henderson Global Technology Fund
- ------------------------------------------------------- --------------- ---------------
Seligman Henderson Global Fund Series, Inc. -
 Seligman Henderson International Fund
- ------------------------------------------------------- --------------- ---------------
Seligman High Income Fund Series -
 Seligman High-Yield Bond Series
- ------------------------------------------------------- --------------- ---------------
Seligman High Income Fund Series -
 Seligman U.S. Government Securities Series
- ------------------------------------------------------- --------------- ---------------
Seligman Income Fund, Inc.
- ------------------------------------------------------- --------------- ---------------
Seligman Value Fund Series, Inc. -
 Seligman Large-Cap Value Fund
- ------------------------------------------------------- --------------- ---------------
Seligman Value Fund Series, Inc. -
 Seligman Small-Cap Value Fund
- ------------------------------------------------------- --------------- ---------------
Tri-Continental Corporation
- ------------------------------------------------------- --------------- ---------------
Total                                                         100%           100%
- ------------------------------------------------------- --------------- ---------------
</TABLE>
                                                                         (3/98)

<PAGE>

         I acknowledge that I may amend this Return Designation in the manner,
and at such time as permitted, under the Plans. Furthermore, I acknowledge that
in certain circumstances, and pursuant to Section 4 of the Plans, the President
may at his discretion, and upon notice to me, disregard the designations made
above and cause all or a portion of my Deferred Account to receive a return
equal to the prevailing three-month U.S. Treasury Bill Rate.


- ---------------------------                     --------------------------------
Date                                            Signature
                                                                         (3/98)










CONSENT OF INDPENDENT AUDITORS

Seligman Income Fund, Inc.:

We consent to the use in Post-Effective Amendment No. 75 to Registration
Statement No. 2-10837 of our report dated January 30, 1998, appearing in the
Annual Report of Shareholders for the year ended December 31, 1997, which is
incorporated by reference in the Statement of Additional Information, which is
included in such Registration Statement, and to the references to us under the
captions "Financial Highlights" in the Prospectus and "General Information" in
the Statement of Additional Information, which are also included in such
Registration Statement.

DELOITTE & TOUCHE LLP
New York, New York
April 24, 1998

                                POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS, that the undersigned director of SELIGMAN INCOME
FUND, INC., a Maryland  corporation,  which proposes to file with the Securities
and Exchange Commission an Amendment to Registration  Statement on Form N-1A and
further amendments thereto,  as necessary,  under the Securities Act of 1933 and
the Investment Company Act of 1940, as amended,  hereby constitutes and appoints
William  C.  Morris  and  Brian  T.  Zino,  and each of them  individually,  his
attorneys-in-fact and agent, with full power of substitution and resubstitution,
for in his name and stead,  in his capacity as such  director,  to sign and file
such Amendment to Registration  Statement or further amendments thereto, and any
and all  applications  or other  documents to be filed with the  Securities  and
Exchange Commission  pertaining thereto, with full power and authority to do and
perform all acts and things requisite and necessary to be done on the premises.

Executed this 1st day of April, 1998.




                                              /s/ RICHARD R. SCHMALTZ    (L.S.)
                                              ---------------------------------
                                                  Richard R. Schmaltz
                                                                         (3/98)

<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
        <NUMBER>        001
        <NAME> SELIGMAN INCOME FUND, INC. CLASS A
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                  12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<INVESTMENTS-AT-COST>                           321625
<INVESTMENTS-AT-VALUE>                          356472
<RECEIVABLES>                                     4329
<ASSETS-OTHER>                                     854
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  361655
<PAYABLE-FOR-SECURITIES>                          5027
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1139
<TOTAL-LIABILITIES>                               6166
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        318093
<SHARES-COMMON-STOCK>                            18271<F1>
<SHARES-COMMON-PRIOR>                            19787<F1>
<ACCUMULATED-NII-CURRENT>                          406
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2145
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         34845 
<NET-ASSETS>                                    270688<F1>
<DIVIDEND-INCOME>                                 4814<F1>
<INTEREST-INCOME>                                11536<F1>
<OTHER-INCOME>                                    (29)<F1>
<EXPENSES-NET>                                  (3218)<F1>
<NET-INVESTMENT-INCOME>                          13103<F1>
<REALIZED-GAINS-CURRENT>                         28173
<APPREC-INCREASE-CURRENT>                         2927
<NET-CHANGE-FROM-OPS>                            47453
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (13457)<F1>
<DISTRIBUTIONS-OF-GAINS>                       (25022)<F1>
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            981<F1>
<NUMBER-OF-SHARES-REDEEMED>                     (4482)<F1>
<SHARES-REINVESTED>                               1985<F1>
<NET-CHANGE-IN-ASSETS>                         (25721)
<ACCUMULATED-NII-PRIOR>                            889
<ACCUMULATED-GAINS-PRIOR>                         6597
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1691<F1>
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   3218<F1>
<AVERAGE-NET-ASSETS>                            281778<F1>
<PER-SHARE-NAV-BEGIN>                            14.97<F1>
<PER-SHARE-NII>                                   0.71<F1>
<PER-SHARE-GAIN-APPREC>                           1.31<F1>
<PER-SHARE-DIVIDEND>                            (0.74)<F1>
<PER-SHARE-DISTRIBUTIONS>                       (1.44)<F1>
<RETURNS-OF-CAPITAL>                                 0<F1>
<PER-SHARE-NAV-END>                              14.81<F1>
<EXPENSE-RATIO>                                   1.14<F1>
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
<FN>
<F1>Class A only.  All other data are fund level.
</FN>
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
        <NUMBER>        002
        <NAME> SELIGMAN INCOME FUND, INC. CLASS B
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                  12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<INVESTMENTS-AT-COST>                           321625
<INVESTMENTS-AT-VALUE>                          356472
<RECEIVABLES>                                     4329
<ASSETS-OTHER>                                     854
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  361655
<PAYABLE-FOR-SECURITIES>                          5027
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1139
<TOTAL-LIABILITIES>                               6166
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        318093
<SHARES-COMMON-STOCK>                              582<F1>
<SHARES-COMMON-PRIOR>                              198<F1>
<ACCUMULATED-NII-CURRENT>                          406
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2145
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         34845 
<NET-ASSETS>                                      8607<F1>
<DIVIDEND-INCOME>                                   94<F1>
<INTEREST-INCOME>                                  224<F1>
<OTHER-INCOME>                                     (1)<F1>
<EXPENSES-NET>                                   (104)<F1>
<NET-INVESTMENT-INCOME>                            213<F1>
<REALIZED-GAINS-CURRENT>                         28173
<APPREC-INCREASE-CURRENT>                         2927
<NET-CHANGE-FROM-OPS>                            47453
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        (247)<F1>
<DISTRIBUTIONS-OF-GAINS>                         (633)<F1>
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            423<F1>
<NUMBER-OF-SHARES-REDEEMED>                       (86)<F1>
<SHARES-REINVESTED>                                 47<F1>
<NET-CHANGE-IN-ASSETS>                         (25721)
<ACCUMULATED-NII-PRIOR>                            889
<ACCUMULATED-GAINS-PRIOR>                         6597
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                               33<F1>
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    104<F1>
<AVERAGE-NET-ASSETS>                              5480<F1>
<PER-SHARE-NAV-BEGIN>                            14.95<F1>
<PER-SHARE-NII>                                   0.59<F1>
<PER-SHARE-GAIN-APPREC>                           1.31<F1>
<PER-SHARE-DIVIDEND>                            (0.62)<F1>
<PER-SHARE-DISTRIBUTIONS>                       (1.44)<F1>
<RETURNS-OF-CAPITAL>                                 0<F1>
<PER-SHARE-NAV-END>                              14.79<F1>
<EXPENSE-RATIO>                                   1.90<F1>
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
<FN>
<F1>Class B only.  All other data are fund level.
</FN>
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
        <NUMBER>        004
        <NAME> SELIGMAN INCOME FUND, INC. CLASS D
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                  12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<INVESTMENTS-AT-COST>                           321625
<INVESTMENTS-AT-VALUE>                          356472
<RECEIVABLES>                                     4329
<ASSETS-OTHER>                                     854
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  361655
<PAYABLE-FOR-SECURITIES>                          5027
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1139
<TOTAL-LIABILITIES>                               6166
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        318093
<SHARES-COMMON-STOCK>                             5155<F1>
<SHARES-COMMON-PRIOR>                             5483<F1>
<ACCUMULATED-NII-CURRENT>                          406
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2145
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         34845 
<NET-ASSETS>                                     76194<F1>
<DIVIDEND-INCOME>                                 1335<F1>
<INTEREST-INCOME>                                 3198<F1>
<OTHER-INCOME>                                     (8)<F1>
<EXPENSES-NET>                                  (1488)<F1>
<NET-INVESTMENT-INCOME>                           3037<F1>
<REALIZED-GAINS-CURRENT>                         28173
<APPREC-INCREASE-CURRENT>                         2927
<NET-CHANGE-FROM-OPS>                            47453
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       (3132)<F1>
<DISTRIBUTIONS-OF-GAINS>                        (6970)<F1>
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            823<F1>
<NUMBER-OF-SHARES-REDEEMED>                     (1743)<F1>
<SHARES-REINVESTED>                                592<F1>
<NET-CHANGE-IN-ASSETS>                         (25721)
<ACCUMULATED-NII-PRIOR>                            889
<ACCUMULATED-GAINS-PRIOR>                         6597
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              469<F1>
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   1488<F1>
<AVERAGE-NET-ASSETS>                             78142<F1>
<PER-SHARE-NAV-BEGIN>                            14.95<F1>
<PER-SHARE-NII>                                   0.59<F1>
<PER-SHARE-GAIN-APPREC>                           1.30<F1>
<PER-SHARE-DIVIDEND>                            (0.62)<F1>
<PER-SHARE-DISTRIBUTIONS>                       (1.44)<F1>
<RETURNS-OF-CAPITAL>                                 0<F1>
<PER-SHARE-NAV-END>                              14.78<F1>
<EXPENSE-RATIO>                                   1.90<F1>
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
<FN>
<F1>Class D only.  All other data are fund level.
</FN>
        

</TABLE>


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