SELIGMAN INCOME FUND INC
485APOS, 1999-02-24
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                                                                File No. 2-56805
                                                                        811-2650

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
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                                    FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933                      |X|

     Pre-Effective Amendment No. __                                          |_|

   
     Post-Effective Amendment No.  76                                        |X|
    

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940              |X|

   
     Amendment No.  22                                                       |X|
    

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                           SELIGMAN INCOME FUND, INC.
               (Exact name of registrant as specified in charter)

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

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

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

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

   
|_|  immediately upon filing pursuant to paragraph (b)
    

|_|  on (date) pursuant to paragraph (b)

|_|  60 days after filing pursuant to paragraph (a)(1)

   
|X|  on May 1, 1999 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.



<PAGE>



                                    SELIGMAN
                         -------------------
                                      INCOME
                                  FUND, INC.




The Securities and Exchange Commission has neither approved nor disapproved this
Fund, and it has not  determined the prospectus to be accurate or adequate.  Any
representation to the contrary is a criminal offense.


An investment in this Fund or any other fund cannot provide a complete
investment program. The suitability of an investment in the Fund should be
considered based on the investment objective, strategies and risks described
herein, considered in light of all of the other investments in your portfolio,
as well as your risk tolerance, financial goals and time horizons. We recommend
that you consult your financial advisor to determine if this Fund is suitable
for you.


EQIN1 5/99


                                    [GRAPHIC]


                                   PROSPECTUS
                                   MAY 1, 1999

                                      -----

                              Seeking High Current
                            Income and Improvement of
                            Income and Capital Value
                               Over the Long Term


                                   managed by
                                     [LOGO]
                             J. & W. SELIGMAN & CO.
                                  INCORPORATED
                                ESTABLISHED 1864



<PAGE>

Table of Contents

The Fund

      Investment Objectives/Principal Strategies    1

      Principal Risks    2

      Past Performance    3

      Fees and Expenses    4

      Management    5

      Year 2000    6

Shareholder Information

      Deciding Which Class of Shares to Buy    7

      Pricing of Fund Shares    9

      Opening Your Account    9

      How to Buy Additional Shares    10

      How to Exchange Shares Between
        The Seligman Mutual Funds    11

      How to Sell Shares    11

      Important Policies That May Affect
        Your Account    12

      Dividends and Capital Gain Distributions    13

      Taxes    13

      The Seligman Mutual Funds    14

      Financial Highlights    15

      How to Contact Us    17

For More Information    back cover

TIMES CHANGE ... VALUES ENDURE


<PAGE>


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The Fund

INVESTMENT OBJECTIVES/PRINCIPAL STRATEGIES

The Fund's objectives are high current income consistent with what is believed
to be prudent risk of capital and the possibility of improvement in income and
capital value over the longer term.

The Fund uses the following principle strategies to seek its objectives:

The Fund generally invests at least 80% of its assets in income-producing
securities. The Fund has a fundamental policy that, at all times, it must invest
at least 25% of the market value of its gross assets in cash, bonds and/or
preferred stocks.

Subject to these requirements, the Fund may be invested in many different types
of securities, including, but not limited to: money market instruments,
fixed-income securities (such as notes, bonds, debentures, and preferred
stocks), US Government securities, senior securities convertible into common
stocks, common stocks, and American Depositary Receipts (ADRs). ADRs are
publicly traded instruments generally issued by domestic banks or trust
companies that represent securities of foreign issuers. Securities are carefully
selected in light of the Fund's investment objectives and are diversified among
many different types of securities and market sectors.

The Fund allocates its assets between equity securities and fixed-income
securities. If equity valuations become excessive, then the Fund will invest
more of its assets in fixed-income securities. The Fund may also invest more of
its assets in fixed-income securities if the investment manager believes that
interest rates are at attractive levels.

Equity securities are chosen for purchase by the Fund using a bottom-up stock
selection approach. This means the investment manager concentrates on individual
company fundamentals, rather than on a particular industry. The Fund seeks to
purchase strong, well-managed companies, generally large US companies, which
have the potential for solid earnings growth and dividend increases. The
investment manager looks to identify companies that it believes offer attractive
dividend yields relative to the market and, typically, that display relatively
low valuations.

Fixed-income securities are chosen for purchase by the Fund using a method that
combines macro analysis of the fixed-income market with fundamental research
into individual securities, customized by market sector. This means that the
investment manager considers the trends in the fixed-income market and evaluates
the long-term trends in interest rates, and then selects individual securities
for the Fund based on its evaluation of each security's particular
characteristics (for example, duration, yield, quality, relative value) and
total return opportunities.

The Fund may, from time to time, take temporary defensive positions that are
inconsistent with its principal strategies in seeking to minimize extreme
volatility caused by adverse market, economic, or other conditions. This could
prevent the Fund from achieving its objective.

The Fund may invest up to 15% of its net assets in illiquid securities (i.e.,
securities that cannot be readily sold) and may invest up to 10% of its total
assets directly in foreign securities (which does not include ADRs). The Fund
generally does not invest a significant amount, if any, in illiquid or foreign
securities.

Except for its fundamental policy, which can only be changed with the approval
of shareholders, the Fund may change its principal strategies if the Fund's
Board of Directors believes doing so is consistent with the Fund's objectives.

The Fund's objectives are a fundamental policy and may be changed only with the
approval of shareholders. As with any mutual fund, there is no guarantee the
Fund will achieve its objectives.

                                       1

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<PAGE>


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PRINCIPAL RISKS

A significant portion of the Fund's assets is generally invested in common
stocks. Stock prices fluctuate. Therefore, as with any fund that invests in
stocks, the Fund's net asset value will fluctuate, especially in the short term.
You may experience a decline in the value of your investment and you could lose
money.

While the Fund maintains exposure to varied industry sectors over the longer
term, it may invest more heavily in certain industries believed to offer good
investment opportunities. To the extent that an industry in which the Fund is
invested falls out of favor, the Fund's performance may be negatively affected.

Stocks of large US companies, like those in which the Fund may invest, are
experiencing an extended period of strong performance. However, if investor
sentiment changes, the value of large company stocks may decline. This could
have an adverse effect on the Fund's yield, net asset value, and total return.

The portion of the Fund's assets that are invested in fixed-income securities
will be subject to interest rate risk and credit risk, as discussed below.

Changes in market interest rates will affect the value of the fixed-income
securities held by the Fund. In general, the market value of fixed-income
securities, like the securities in which the Fund invests, move in the opposite
direction of interest rates: the market value decreases when interest rates rise
and increases when interest rates fall. Long-term securities are generally more
sensitive to changes in interest rates, and therefore subject to a greater
degree of market price volatility. Changes in the value of the fixed-income
securities held by the Fund may affect the Fund's net asset value. The extent to
which the Fund is affected will depend on the percentage of the Fund's assets
that is invested in fixed-income securities and the duration of the securities
held.

A fixed-income security could deteriorate in quality to such an extent that its
rating is downgraded or its market value declines relative to comparable
securities. Credit risk also includes the risk that an issuer of a security
would be unable to make interest and principal payments. To the extent the Fund
holds securities that have been downgraded, or default on payment, its
performance could be negatively affected.

Fixed-income securities, like those in which the Fund invests, are traded
principally by dealers in the over-the counter market. The Fund's ability to
sell securities it holds is dependent on the willingness and ability of market
participants to provide bids that reflect current market levels. Adverse market
conditions could result in a lack of liquidity by reducing the number of ready
buyers.

The Fund may actively and frequently trade securities in its portfolio to carry
out its principal strategies. A high portfolio turnover rate results in
correspondingly greater transaction costs and a possible increase in short-term
capital gains and losses. This may increase the Fund's expenses and have tax
consequences for investors in the Fund.

An investment in the Fund is not a deposit in a bank and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other government
agency.


                                       2

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<PAGE>


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PAST PERFORMANCE

The Fund offers three Classes of shares. The information below provides some
indication of the risks of investing in the Fund by showing how the performance
of Class A shares has varied year to year, as well as how each Class's
performance compares to three widely-used measures of performance.

The following performance information is designed to assist you in comparing the
returns of the Fund with the returns of other mutual funds. How the Fund has
performed in the past, however, is not necessarily an indication of how the Fund
will perform in the future. Total returns will vary between each Class of shares
due to the different fees and expenses of each Class.

The Class A annual total returns presented in the bar chart do not reflect the
effect of any sales charges. If these charges were included, the returns would
be less. The average annual total returns presented in the table below the chart
do reflect the effect of the applicable sales charges. Both the bar chart and
table assume that all dividends and capital gain distributions were reinvested.

                  Class A Annual Total Returns - Calendar Years


  [THE FOLLOWING TABLE WAS REPRESENTED AS A BAR CHART IN THE PRINTED MATERIAL.]

                                               Annual Total
                     Calendar Year               Returns
                     -------------               -------
                         1989                     15.1%
                         1990                     (8.3%)
                         1991                     30.1%
                         1992                     17.5%
                         1993                     16.0%
                         1994                     (5.4%)
                         1995                     20.6%
                         1996                      8.2%
                         1997                     14.1%
                         1998                      7.3%


            Best calendar quarter return: XX.X% - quarter ended ____

            Worst calendar quarter return: XX.X% - quarter ended ____

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------

              Average Annual Total Returns - Periods Ended 12/31/98

                                                                                 Class B                 Class D
                                          One         Five        Ten        Since Inception         Since Inception
                                          Year        Years      Years           4/22/96                 5/3/93
                                         -------     -------    -------    -------------------     -------------------
<S>                                       <C>         <C>        <C>              <C>                   <C>     
Class A                                    2.16%       7.54%     10.41%              --                    --
Class B                                    1.45         n/a        n/a             9.12%                   --
Class D                                    5.39        7.74        n/a               --                  8.26%
Lehman Bros. Aggregate Bond Index          8.69        7.27       9.26             9.20(1)               7.25(2)
S&P 500 Index                             28.58       24.06      19.21            29.00(1)              22.63(2)
Lipper Income Funds Average                7.85       10.68      11.61            11.98(1)              10.62(2)

The S&P 500 Index, the Lehman Bros. Aggregate Bond Index and the Lipper Income
Funds Average are unmanaged benchmarks that assume the reinvestment of
dividends. The Lipper Income Funds Average does not reflect any sales charges
and the S&P 500 Index and Lehman Bros. Aggregate Bond Index do not reflect any
fees or sales charges. The S&P 500 Index measures the performance of large-cap
stocks, the Lehman Bros. Aggregate Bond Index measures the performance of
government and corporate bonds, and the Lipper Income Funds Average measures the
performance of mutual funds with investment objectives similar to the Fund.

(1) From April 30, 1996.

(2) From April 30, 1993.

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</TABLE>

                                       3

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<PAGE>

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FEES AND EXPENSES

The table below summarizes the fees and expenses that you may pay as a
shareholder of the Fund. Each Class of shares has its own sales charge schedule
and is subject to different ongoing 12b-1 fees. Shareholder fees are charged
directly to you. Annual fund operating expenses are deducted from Fund assets
and are therefore paid indirectly by you and other shareholders of the Fund.

<TABLE>
<CAPTION>
Shareholder Fees                                                                    Class A      Class B      Class D
- ----------------                                                                    ------       ------       ------
<S>                                                                                  <C>          <C>          <C>  
Maximum Sales Charge (Load) on Purchases
  (as a % of offering price) ....................................................    4.75%(1)      none         none

Maximum Contingent Deferred Sales Charge (Load) (CDSC) on Redemptions
  (as a % of original purchase price or current net asset value,
  whichever is less) ............................................................     none(1)        5%           1%

Annual Fund Operating Expenses for 1998
- ---------------------------------------
(as a percentage of average net assets)

Management Fees .................................................................     .60%         .60%         .60%
Distribution and/or Service (12b-1) Fees ........................................     .24%        1.00%        1.00%
Other Expenses ..................................................................     .26%         .26%         .26%
                                                                                     -----        -----        -----
Total Annual Fund Operating Expenses ............................................    1.10%        1.86%        1.86%
                                                                                     =====        =====        =====
</TABLE>

(1)  If you buy Class A shares for $1,000,000 or more you will not pay an
     initial sales charge, but your shares will be subject to a 1% CDSC if sold
     within 18 months.


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Management Fees:

Fees paid out of Fund assets to the
investment manager to compensate it for
managing the Fund.

12b-1 Fees:

Fees paid by each Class, pursuant to a
plan adopted by the Fund under Rule
12b-1 of the Investment Company Act of
1940. The plan allows each Class to pay
distribution and/or service fees for the
sale and distribution of its shares and
for providing services to shareholders.

Other Expenses:

Miscellaneous expenses of running the
Fund, including such things as transfer
agency, registration, custody, and
auditing and legal fees.
- -----------------------------------------


Example

This example is intended to help you compare the expenses of investing in the
Fund with the expenses of investing in other mutual funds. It assumes (1) you
invest $10,000 in the Fund for each period and then sell all of your shares at
the end of that period, (2) your investment has a 5% return each year, and (3)
the Fund's operating expenses remain the same. Although your actual expenses may
be higher or lower, based on these assumptions your expenses would be:

                      1 Year        3 Years      5 Years     10 Years
                       -----        -------      -------      -------
Class A                $            $            $             $     
Class B
Class D

If you did not sell your shares at the end of each period, your expenses would
be:

                      1 Year        3 Years      5 Years     10 Years
                       -----        -------      -------      -------
Class A                $             $           $             $     
Class B
Class D

+    Class B shares will automatically convert to Class A shares after eight
     years.


                                       4

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<PAGE>

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MANAGEMENT

The Fund's Board of Directors provides broad supervision over the affairs of the
Fund.

The Fund's manager is J. & W. Seligman & Co. Incorporated (Seligman), 100 Park
Avenue, New York, New York 10017. Seligman manages the investment of the Fund's
assets, including making purchases and sales of portfolio securities consistent
with the Fund's investment objective and strategies, and administers the Fund's
business and other affairs.

Established in 1864, Seligman currently serves as manager to 18 USregistered
investment companies, which offer more than 50 investment portfolios with
approximately $XX.X billion in assets as of March 31, 1999. Seligman also
provides investment management or advice to institutional or other accounts
having an aggregate value at March 31, 1999, of approximately $XX.X billion.

The Fund pays Seligman a fee for its management services. The fee rate declines
as the Fund's net assets increase. It 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. The fee
paid by the Fund to Seligman for the Fund's fiscal year ended December 31, 1998,
was equal to an annual rate of .60% of the Fund's average daily net assets.


- -----------------------------------------
Affiliates of Seligman:

Seligman Advisors, Inc. (Seligman
Advisors): The Fund's general
distributor; responsible for accepting
orders for purchases and sales of Fund
shares.

Seligman Services, Inc.: A limited
purpose broker/dealer; acts as the
broker/dealer of record for shareholder
accounts that do not have a designated
financial advisor.

Seligman Data Corp. (SDC): The Fund's
shareholder service agent; provides
shareholder account services to the Fund
at cost.
- -----------------------------------------


Portfolio Management

The Fund is managed by the Seligman Growth and Income Team, headed by Charles C.
Smith, Jr. Mr. Smith, a Managing Director of Seligman, is a Vice President of
the Fund and has been Portfolio Manager of the Fund since December 1991. Mr.
Smith joined Seligman in 1985 as Vice President, Investment Officer. He became
Senior Vice President, Senior Investment Officer in 1992, and Managing Director
in January 1994. Mr. Smith also manages Seligman Common Stock Fund, Inc.; and he
manages the Seligman Common Stock Portfolio and the Seligman Income Portfolio,
two portfolios of Seligman Portfolios, Inc.

Rodney D. Collins, Senior Vice President, Investment Officer of Seligman since
January 1999, co-manages the Fund. Mr. Collins joined Seligman in 1992 as a Vice
President, Investment Officer. Mr. Collins also co-manages Seligman Common Stock
Fund, Inc.; and he co-manages the Seligman Common Stock Portfolio and the
Seligman Income Portfolio, two portfolios of Seligman Portfolios, Inc.


                                       5

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<PAGE>

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YEAR 2000

As the millennium approaches, mutual funds, financial and business
organizations, and individuals could be adversely affected if their computer
systems do not properly process and calculate date-related information and data
on and after January 1, 2000. Like other mutual funds, the Fund relies upon
service providers and their computer systems for its day-to-day operations. Many
of the Fund's service providers in turn depend upon computer systems of their
vendors. Seligman and SDC have established a year 2000 project team. The team's
purpose is to assess the state of readiness of Seligman and SDC and the Fund's
other service providers and vendors. The team is comprised of several
information technology and business professionals as well as outside
consultants. The Project Manager of the team reports directly to the
Administrative Committee of Seligman. The Project Manager and other members of
the team also report to the Board of Directors of the Fund and its Audit
Committee.

The team has identified the service providers and vendors who furnish critical
services or software systems to the Fund, including securities firms that
execute portfolio transactions for the Fund and firms responsible for
shareholder account recordkeeping. The team is working with these critical
service providers and vendors to evaluate the impact year 2000 issues may have
on their ability to provide uninterrupted services to the Fund. The team will
assess the feasibility of their year 2000 plans. The team has made progress on
its year 2000 contingency plans - recovery efforts the team will employ in the
event that year 2000 issues adversely affect the Fund. The team anticipates
finalizing these plans in the near future.

The Fund anticipates the team will implement all significant components of the
team's year 2000 plans by mid-1999, including appropriate testing of critical
systems and receipt of satisfactory assurances from critical service providers
and vendors regarding their year 2000 compliance. The Fund believes that the
critical systems on which it relies will function properly on and after the year
2000, but this is not guaranteed. If these systems do not function properly, or
the Fund's critical service providers are not successful in implementing their
year 2000 plans, the Fund's operations may be adversely affected, including
pricing, securities trading and settlement, and the provision of shareholder
services.

In addition, the Fund may hold securities of issuers whose underlying business
leaves them susceptible to year 2000 issues. The Fund may also hold securities
issued by governmental or quasi-governmental issuers, which, like other
organizations, are also susceptible to year 2000 concerns. Year 2000 issues may
affect an issuer's operations, creditworthiness, and ability to make timely
payment on any indebtedness and could have an adverse impact on the value of its
securities. If the Fund holds these securities, the Fund's performance could be
negatively affected. Seligman seeks to identify an issuer's state of year 2000
readiness as part of the research it employs. However, the perception of an
issuer's year 2000 preparedness is only one of the many factors considered in
determining whether to buy, sell, or continue to hold a security. Information
provided by issuers concerning their state of readiness may or may not be
accurate or readily available. Further, the Fund may be adversely affected if
the exchanges, markets, depositories, clearing agencies, or government or third
parties responsible for infrastructure needs do not address their year 2000
issues in a satisfactory manner.

SDC has informed the Fund that it does not expect the cost of its services to
increase materially as a result of the modifications to its computer systems
necessary to prepare for the year 2000. The Fund will not pay to remediate the
systems of Seligman or bear directly the costs to remediate the systems of any
other service providers or vendors, other than SDC.


                                       6

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<PAGE>


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Shareholder Information

DECIDING WHICH CLASS OF SHARES TO BUY

Each of the Fund's Classes represents an interest in the same portfolio of
investments. However, each Class has its own sales charge schedule and is
subject to different ongoing 12b-1 fees. When deciding which Class of shares to
buy, you should consider, among other things:

     o    The amount you plan to invest.

     o    How long you intend to remain invested in the Fund, or another
          Seligman mutual fund.

     o    If you would prefer to pay an initial sales charge and lower ongoing
          12b-1 fees, or be subject to a CDSC and pay higher ongoing 12b-1 fees.

     o    Whether you may be eligible for reduced or no sales charges when you
          buy or sell shares. Your financial advisor will be able to help you
          decide which Class of shares best meets your needs.


<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------
Class A

     o    Initial sales charge on Fund purchases, as set forth below:

                                                                    Sales Charge             Regular Dealer
                                           Sales Charge                as a %                  Discount
                                              as a %                   of Net                  as a % of
     Amount of your Investment         of Offering Price(1)        Amount Invested          Offering Price
     -------------------------         --------------------        ---------------          --------------
<S>                                            <C>                      <C>                      <C>  
     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 and over(2)                    0.00                     0.00                     0.00

     (1)  "Offering Price" is the amount that you actually pay for Fund shares;
          it includes the initial sales charge.

     (2)  You will not pay a sales charge on purchases of $1 million or more,
          but you will be subject to a 1% CDSC if you sell your shares within 18
          months.

     o    Annual 12b-1 fee (for shareholder services) of up to 0.25%.

     o    No sales charge on reinvested dividends or capital gain distributions.
- --------------------------------------------------------------------------------------------------------------
</TABLE>


- --------------------------------------------------------------------------------
Class B

     o    No initial sales charge on purchases.

     o    A declining CDSC on shares sold within 6 years of purchase:

     Years Since Purchase                            CDSC
     ----------------                               ------
     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

     o    Annual 12b-1 fee (for distribution and shareholder services) of 1.00%.

     o    Automatic conversion to Class A shares after eight years, resulting in
          lower ongoing 12b-1 fees.

     o    No CDSC on redemptions of shares purchased with reinvested dividends
          or capital gain distributions.

- ------------------------------------------
Your purchase of Class B shares must be
for less than $250,000, because if you
are investing $250,000 or more you will
pay less in fees and charges if you buy
another Class of Shares.
- ------------------------------------------

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                                       7

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<PAGE>


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Class D

     o    No initial sales charge on purchases.

     o    A 1% CDSC on shares sold within one year of purchase.

     o    Annual 12b-1 fee (for distribution and shareholder services) of 1.00%.

     o    No automatic conversion to Class A shares, so you will be subject to
          higher ongoing 12b-1 fees indefinitely.

     o    No CDSC on redemptions of shares purchased with reinvested dividends
          or capital gain distributions.
- --------------------------------------------------------------------------------

Because 12b-1 fees are paid out of each Class's assets on an ongoing basis, over
time these fees will increase your investment expenses and may cost you more
than other types of sales charges.

The Fund's Board of Directors believes that no conflict of interest currently
exists between the Fund's Class A, Class B, and Class D shares. On an ongoing
basis, the Directors, in the exercise of their fiduciary duties under the
Investment Company Act of 1940 and Maryland law, will seek to ensure that no
such conflict arises.

How CDSCs Are Calculated

To minimize the amount of CDSC you may pay when you sell your shares, the Fund
assumes that shares acquired through reinvested dividends and capital gain
distributions (which are not subject to a CDSC) are sold first. Shares that have
been in your account long enough so they are not subject to a CDSC are sold
next. After these shares are exhausted, shares will be sold in the order they
were purchased (oldest to youngest). The amount of any CDSC that you pay will be
based on the shares' original purchase price or current net asset value,
whichever is less.

You will not pay a CDSC when you exchange shares of the Fund to buy the same
class of shares of any other Seligman mutual fund. For the purpose of
calculating the CDSC when you sell shares that you acquired by exchanging shares
of the Fund, it will be assumed that you held the shares since the date you
purchased the shares of the Fund.



                                       8

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<PAGE>


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PRICING OF FUND SHARES

When you buy or sell shares, you do so at the Class's net asset value (NAV) next
calculated after Seligman Advisors accepts your request. Any applicable sales
charge will be added to the purchase price for Class A shares. Purchase or sale
orders received by an authorized dealer or financial advisor by the close of
regular trading on the New York Stock Exchange (NYSE) (normally 4:00 p.m.
Eastern time) and accepted by Seligman Advisors before the close of business
(5:00 p.m. Eastern time) on the same day will be executed at the Class's NAV
calculated as of the close of regular trading on the NYSE on that day. Your
broker/dealer or financial advisor is responsible for forwarding your order to
Seligman Advisors before the close of business.

If your buy or sell order is received by your broker/dealer or financial advisor
after the close of regular trading on the NYSE, or is accepted by Seligman
Advisors after the close of business, the order will be executed at the Class's
NAV calculated as of the close of regular trading on the next NYSE trading day.
When you sell shares, you receive the Class's per share NAV, less any applicable
CDSC.

The NAV of the Fund's shares is determined each day, Monday through Friday, on
days that the NYSE is open for trading. Because of their higher 12b-1 fees, the
NAV of Class B and Class D shares will generally be lower than the NAV of Class
A shares.

Securities owned by the Fund are valued at current market prices. If reliable
market prices are unavailable, securities are valued in accordance with
procedures approved by the Fund's Board of Directors.

- -----------------------------------------
NAV:
Computed separately for each Class by
dividing that Class's share of the net
assets of the Fund (i.e., its assets
less liabilities) by the total number of
outstanding shares of the Class.
- -----------------------------------------

OPENING YOUR ACCOUNT

The Fund's shares are sold through authorized broker/dealers or financial
advisors who have sales agreements with Seligman Advisors. There are several
programs under which you may be eligible for reduced sales charges. Ask your
financial advisor if any of these programs apply to you.

To make your initial investment in the Fund, contact your financial advisor or
complete an account application and send it with your check directly to SDC at
the address provided on the account application. If you do not choose a Class,
your investment will automatically be made in Class A shares.

- -----------------------------------------
You may buy shares of the Fund for all
types of tax-deferred retirement plans.
Contact Retirement Plan Services at the
address or phone number listed on the
inside back cover of this prospectus for
information and to receive the proper
forms.
- -----------------------------------------


The required minimum initial investments are:

     o    Regular (non-retirement) accounts: $1,000

     o    For accounts opened concurrently with Invest-A-Check(R): $100 to open
          if you will be making monthly investments $250 to open if you will be
          making quarterly investments

If you buy shares by check and subsequently sell the shares, SDC will not send
your proceeds until your check clears, which could take up to 15 calendar days
from the date of your purchase.

You will be sent a statement confirming your Fund purchase, and any subsequent
transactions in your account. You will also be sent at least annually, a
statement detailing all your transactions in the Fund and all other Seligman
funds you own. Duplicate account statements will be sent to you free of charge
for the current year and most recent prior year. Copies of year-end statements
for prior years are available for a fee of $10 per year, per account, with a
maximum charge of $150 per account. Send your request and a check for the fee to
SDC.

    If you want to be able to buy, sell, or exchange shares by telephone, you
      should complete an application when you open your account. This will
     prevent you from having to complete a supplemental election form (which
               may require a signature guarantee) at a later date.


                                       9

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

HOW TO BUY ADDITIONAL SHARES

After you have made your initial investment, there are many options available to
make additional purchases of Fund shares. Shares may be purchased through your
authorized financial advisor, or you may send a check directly to SDC. Please
provide either an investment slip or a note that provides your name(s), Fund
name, and account number. Your investment will be made in the Class you already
own. Send investment checks to:

                 Seligman Data Corp.
                 P.O. Box 9766
                 Providence, RI 02940-5051

Your check must be in US dollars and be drawn on a US bank. You may not use
third party or credit card convenience checks for investment.

You may also use the following account services to make additional investments:

Invest-A-Check(R). You may buy Fund shares electronically from a savings or
checking account of an Automated Clearing House (ACH) member bank. If your bank
is not a member of ACH, the Fund will debit your checking account by
preauthorized checks. You may buy Fund shares at regular monthly intervals in
fixed amounts of $100 or more, or regular quarterly intervals in fixed amounts
of $250 or more. If you use Invest-A-Check(R), you must continue to make
automatic investments until the Fund's minimum initial investment of $1,000 is
met or your account may be closed.

Automatic Dollar-Cost-Averaging. If you have at least $5,000 in Seligman Cash
Management Fund, you may exchange uncertificated shares of that fund to buy
shares of the same class of another Seligman mutual fund at regular monthly
intervals in fixed amounts of $100 or more or regular quarterly intervals in
fixed amounts of $250 or more. If you exchange Class A shares, you may pay an
initial sales charge to buy Fund shares.

Automatic CD Transfer. You may instruct your bank to invest the proceeds of a
maturing bank certificate of deposit (CD) in shares of the Fund. If you wish to
use this service, contact SDC or your financial advisor to obtain the necessary
forms. Because your bank may charge you a penalty, it is not normally advisable
to withdraw CD assets before maturity.

Dividends From Other Investments. You may have your dividends from other
companies paid to the Fund. (Dividend checks must include your name, account
number, Fund name, and Class of shares.)

Direct  Deposit.  You may buy Fund  shares  electronically  with funds from your
employer,  the IRS, or any other institution that provides direct deposit.  Call
SDC for more information.

Seligman Time Horizon Matrix(SM). (Requires an initial total investment of
$10,000.) This is a needs-based investment process, designed to help you and
your financial advisor plan to seek your long-term financial goals. It considers
your financial needs, and helps frame a personalized asset allocation strategy
around the cost of your future commitments and the time you have to meet them.
Contact your financial advisor for more information.

Seligman Harvester. If you are a retiree or nearing retirement, this program is
designed to help you establish an investment strategy that seeks to meet your
needs throughout your retirement. The strategy is customized to your personal
financial situation by allocating your assets to seek to address your income
requirements, prioritizing your expenses, and establishing a prudent withdrawal
schedule. Contact your financial advisor for more information.


                                       10

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

HOW TO EXCHANGE SHARES BETWEEN THE SELIGMAN MUTUAL FUNDS

You may sell Fund shares to buy shares of the same Class of another Seligman
mutual fund, or you may sell shares of another Seligman mutual fund to buy Fund
shares. Exchanges will be made at each fund's respective NAV. You will not pay
an initial sales charge when you exchange, unless you exchange Class A shares of
Seligman Cash Management Fund to buy Class A shares of the Fund or another
Seligman mutual fund.

Only your dividend and capital gain distribution options and telephone services
will be automatically carried over to any new fund account. If you wish to carry
over any other account options (for example, Invest-a-Check(R) or Systematic
Withdrawals) to the new fund, you must specifically request so at the time of
your exchange.

If you exchange into a new fund, you must exchange enough to meet the new fund's
minimum initial investment.

See "The Seligman Mutual Funds" for a list of the funds available for exchange.
Before making an exchange, contact your financial advisor or SDC to obtain the
applicable fund prospectus(es), which you should read and understand before
investing.

HOW TO SELL SHARES

The easiest way to sell Fund shares is by phone. If you have telephone services,
you may be able use this service to sell Fund shares. Restrictions apply to
certain types of accounts. Please see "Important Policies That May Affect Your
Account."

When you sell Fund shares by phone, a check for the proceeds is sent to your
address of record. If you have current ACH bank information on file, you may
have the proceeds of the sale of your Fund shares directly deposited into your
bank account (typically, 3-4 business days after your shares are sold).

You may always send a written request to sell Fund
shares; however, it may take longer to get your money. 

You will need to guarantee your signature(s) if the proceeds are:

(1)  $50,000 or more;
(2)  to be paid to someone other than all account owners, or
(3)  mailed to other than your address of record.

- -----------------------------------------
Signature Guarantee:
Protects you and the Fund from fraud. It
guarantees that a signature is genuine.
A guarantee must be obtained from an
eligible financial institution.
Notarization by a notary public is not
an acceptable guarantee.
- -----------------------------------------

You may need to provide additional documents to sell Fund shares if you are:

     o    a corporation;

     o    an executor or administrator;

     o    a trustee or custodian; or

     o    in a retirement plan.

If your Fund shares are represented by certificates, you will need to surrender
the certificates to SDC before you sell your shares.

Contact your financial advisor or SDC's Shareholder Services Department for
information on selling your shares under any of the above circumstances.

You may also use the following account services to sell Fund shares:

Systematic Withdrawal Plan. If you have at least $5,000 in the Fund, you may
withdraw (sell) a fixed amount (minimum of $50) of uncertificated shares at
regular intervals. A check will be sent to you at your address of record or, if
you have current ACH bank information on file, you may have your payments
directly deposited to your predesignated bank account in 3-4 business days after
your shares are sold. If you bought $1,000,000 or more of Class A shares without
an initial sales charge, your withdrawals may be subject to a 1% CDSC if they
occur within 18 months of purchase. If you own Class B or Class D shares and
reinvest your dividends and capital gain distributions, you may withdraw 12% or
10%, respectively, of the value of your Fund account (at the time of election)
annually without a CDSC.

Check Redemption Service. If you have at least $25,000 in the Fund, you may ask
SDC to provide checks which may be drawn against your account in amounts of $500
or more. You can elect this service on your initial application, or contactSDC
for the appropriate forms to establish this service.

Check Redemption Service. If you have at least $25,000 in the Fund, you may ask
SDC to provide checks which may be drawn against your account in amounts of $500
or more. You can elect this service on your initial application, or contact SDC
for the appropriate forms to establish this service.


                                       11

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

IMPORTANT POLICIES THAT MAY AFFECT YOUR ACCOUNT

To protect you and other shareholders, the Fund reserves the right to:

     o    Refuse an exchange request if:

          1.   you have exchanged twice from the same fund in any three-month
               period;

          2.   the amount you wish to exchange equals the lesser of $1,000,000
               or 1% of the Fund's net assets; or

          3.   you or your financial advisor have been advised that previous
               patterns of purchases and sales or exchanges have been considered
               excessive.

     o    Refuse any request to buy Fund shares.

     o    Reject any request received by telephone.

     o    Suspend or terminate telephone services.

     o    Reject a signature guarantee that SDC believes may be fraudulent.

     o    Close your fund account if its value falls below $500.

     o    Close your account if it does not have a certified taxpayer
          identification number.

Telephone Services

You and your broker/dealer or financial advisor will be able to place the
following requests by telephone, unless you indicate on your account application
that you do not want telephone services:

     o    Sell uncertificated shares (up to $50,000 per day, payable to account
          owner(s) and mailed to address of record)

     o    Exchange shares between funds

     o    Change dividend and/or capital gain distribution options

     o    Change your address

     o    Establish systematic withdrawals to address of record

If you do not complete an account application when you open your account,
telephone services must be elected on a supplemental election form.

Restrictions apply to certain types of accounts:

     o    Trust accounts on which the current trustee is not listed may not sell
          Fund shares by phone.

     o    Corporations may not sell Fund shares by phone.

     o    IRAs may only exchange Fund shares or request address changes by
          phone.

     o    Group retirement plans may not sell Fund shares by phone; plans that
          allow participants to exchange by phone must provide a letter of
          authorization signed by the plan custodian or trustee and provide a
          supplemental election form signed by all plan participants.

Unless you have current ACH bank information on file, you will not be able to
sell Fund shares by phone within thirty days following an address change. 

Your request must be communicated to an SDC representative. You may not request
any phone transactions via the automated access line.

You may cancel telephone services at any time by sending a written request to
SDC. Each account owner, by accepting or adding telephone services, authorizes
each of the other owners to make requests by phone. Your broker/dealer or
financial advisor representative may not establish telephone services without
your written authorization. SDC will send written confirmation to the address of
record when telephone services are added or terminated.

During times of heavy call volume, you may not be able to get through to SDC by
phone to request a sale or exchange of Fund shares. In this case, you may need
to write, and it may take longer for your request to be processed. The Fund's
NAV may fluctuate during this time.

The Fund and SDC will not be liable for processing requests received by phone as
long as it was reasonable to believe that the request was genuine.

Reinstatement Privilege

If you sell Fund shares, you may, within 120 calendar days, use part or all of
the proceeds to buy shares of the Fund or any other Seligman mutual fund
(reinstate your investment) without paying an initial sales charge or, if you
paid a CDSC when you sold your shares, receiving a credit for the applicable
CDSC paid. This privilege is available only once each calendar year. Contact
your financial advisor for more information. You should consult your tax advisor
concerning possible tax consequences of exercising this privilege.


                                       12

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

DIVIDENDS AND CAPITAL GAIN DISTRIBUTIONS

The Fund generally pays any dividends from its net investment income and
distributes net capital gains realized on investments annually. It is expected
that the Fund's distributions will be primarily capital gains.

You may elect to:

(1)  reinvest both dividends and capital gain distributions;

(2)  receive dividends in cash and reinvest capital gain distributions; or

(3)  receive both dividends and capital gain distributions in cash.

Your dividends and capital gain distributions will be reinvested if you do not
instruct otherwise or if you own Fund shares in a Seligman tax-deferred
retirement plan.

If you want to change your election, you may write SDC at the address listed on
the back cover of this prospectus, or, if you have telephone services, you or
your financial advisor may call SDC. Your request must be received by SDC before
the record date to be effective for that dividend or capital gain distribution.

Cash dividends or capital gain distributions will be sent by check to your
address of record or, if you have current ACH bank information on file, directly
deposited into your predesignated bank account within 3-4 business days from the
payable date.

Dividends and capital gain distributions are reinvested to buy additional Fund
shares on the payable date using the NAV of the ex-dividend date.

Dividends on Class B and Class D shares will be lower than the dividends on
Class A shares as a result of their higher 12b-1 fees. Capital gain
distributions will be paid in the same amount for each Class.

- -----------------------------------------
Dividend:
A payment by a mutual fund, usually
derived from the fund's net investment
income (dividends and interest earned on
portfolio securities less expenses).

Capital Gain Distribution:
A payment to mutual fund shareholders
which represents profits realized on the
sale of securities in a fund's
portfolio.

Ex-dividend Date:
The day on which any declared
distributions (dividends or capital
gains) are deducted from a fund's assets
before it calculates its NAV.
- -----------------------------------------


TAXES

The tax treatment of dividends and capital gain distributions is the same
whether you take them in cash or reinvest them to buy additional Fund shares.
Tax-deferred retirement plans are not taxed currently on dividends or capital
gain distributions or on exchanges.

You may be taxed at different rates on capital gains distributed by the Fund
depending on the length of time the Fund holds its assets.

When you sell Fund shares, any gain or loss you realize will generally be
treated as a long-term capital gain or loss if you held your shares for more
than one year, or as a short-term capital gain or loss if you held your shares
for one year or less. However, if you sell Fund shares on which a long-term
capital gain distribution has been received and you held the shares for six
months or less, any loss you realize will be treated as a long-term capital loss
to the extent that it offsets the long-term capital gain distribution.

An exchange of Fund shares is a sale and may result in a gain or loss for
federal income tax purposes.

Each January, you will be sent information on the tax status of any
distributions made during the previous calendar year. Because each shareholder's
situation is unique, you should always consult your tax advisor concerning the
effect income taxes may have on your individual investment.


                                       13

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

THE SELIGMAN MUTUAL FUNDS

EQUITY

SPECIALTY
- --------------------------------------------------------------------------------
Seligman Communications and
Information Fund

Seeks capital appreciation by investing in companies operating in all aspects of
the communications, information, and related industries.

Seligman Henderson Global Technology Fund

Seeks long-term capital appreciation by investing primarily in global securities
(US and non-US) of companies in the technology and technology-related
industries.

Seligman Henderson Emerging Markets Growth Fund 

Seeks long-term capital appreciation by investing primarily in equity securities
of companies in emerging markets.


SMALL COMPANY
- --------------------------------------------------------------------------------
Seligman Frontier Fund

Seeks growth of capital by investing primarily in small company growth stocks.

Seligman Small-Cap Value Fund

Seeks long-term capital appreciation by investing in equities of small
companies, deemed to be "value" companies by the investment manager.

Seligman Henderson Global Smaller Companies Fund 

Seeks long-term capital appreciation by investing in securities of smaller
companies around the world, including the US.


MEDIUM COMPANY
- --------------------------------------------------------------------------------
Seligman Capital Fund

Seeks capital appreciation by investing in the common stocks of companies with
significant potential for growth.


LARGE COMPANY
- --------------------------------------------------------------------------------
Seligman Growth Fund

Seeks long-term growth of capital value and an increase in future income.

Seligman Henderson Global Growth Opportunities Fund 

Seeks capital appreciation by investing primarily in equity securities of
companies that have the potential to benefit from global economic or social
trends.

Seligman Large-Cap Value Fund

Seeks long-term capital appreciation by investing in equities of large
companies, deemed to be "value" companies by the investment manager.

Seligman Common Stock Fund

Seeks favorable, but not the highest, current income and long-term growth of
both income and capital, without exposing capital to undue risk.

Seligman Henderson International Fund

Seeks long-term capital appreciation by investing in securities of medium- to
large-sized companies, primarily in the developed markets outside the US.


BALANCED
- --------------------------------------------------------------------------------
Seligman Income Fund

Seeks high current income and improvement in capital value over the long term,
consistent with prudent risk of capital.


FIXED-INCOME

INCOME
- --------------------------------------------------------------------------------
Seligman High-Yield Bond Fund

Seeks to maximize current income by investing in a diversified portfolio of
high-yielding, high-risk corporate bonds, commonly referred to as "junk bonds."

Seligman U.S. Government Securities Fund 

Seeks high current income primarily by investing in a diversified portfolio of
securities guaranteed by the US government, its agencies, or instrumentalities,
which have maturities greater than one year.


MUNICIPAL
- --------------------------------------------------------------------------------
Seligman Municipal Funds:
National Fund

Seeks maximum income, exempt from regular federal income taxes.

State-specific funds:*

Seek to maximize income exempt from regular federal income taxes and from
regular income taxes in the designated state.

California        Louisiana          New Jersey
 o High-Yield     Maryland           New York
 o Quality        Massachusetts      North Carolina
Colorado          Michigan           Ohio
Florida           Minnesota          Oregon
Georgia           Missouri           Pennsylvania
                                     South Carolina

* A small portion of income may be subject to state taxes.


MONEY MARKET
- --------------------------------------------------------------------------------
Seligman Cash Management Fund

Seeks to preserve capital and to maximize liquidity and current income, by
investing only in high-quality money market securities having a maturity of 90
days or less. The fund seeks to maintain a constant net asset value of $1.00 per
share.


                                       14

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

Financial Highlights

The tables below are intended to help you understand each Class's financial
performance for the past five years or, if less than five years, the period of
the Class's operations. Certain information reflects financial results for a
single share of a Class that was held throughout the periods shown. "Total
return" shows the rate that you would have earned (or lost) on an investment in
the Fund, assuming you reinvested all your dividends and capital gain
distributions. Total returns do not reflect any sales charges.                ,
independent auditors, have audited this information. Their report, along with
the Fund's financial statements, is included in the Fund's annual report, which
is available upon request.


CLASS A

<TABLE>
<CAPTION>
                                                                          Year ended December 31,
                                                    ----------------------------------------------------------------
                                                     1998           1997           1996           1995          1994
                                                    -----          -----          -----          -----         -----
<S>                                              <C>            <C>            <C>            <C>           <C>     
Per Share Data*:
Net asset value, beginning of period ...........   $14.81         $14.97         $14.63         $13.05        $14.58
                                                    -----          -----          -----          -----         -----
Income from investment operations:
  Net investment income ........................     0.64           0.71           0.74           0.76          0.76
  Net gains or losses on securities
    (both realized and unrealized) .............     0.41           1.41           0.38           1.89         (1.57)
  Net gains or losses on foreign currency
    transactions (both realized and unrealized)        --          (0.10)          0.04           (0.01)        0.03
                                                    -----          -----          -----          -----         -----
Total from investment operations ...............     1.05           2.02           1.16           2.64         (0.78)
                                                    -----          -----          -----          -----         -----
Less distributions:
  Dividends (from net investment income) .......    (0.65)         (0.74)         (0.73)         (0.78)        (0.75)
  Distributions (from capital gains) ...........    (0.86)         (1.44)         (0.09)         (0.28)           --
                                                    -----          -----          -----          -----         -----
Total distributions ............................    (1.51)         (2.18)         (0.82)         (1.06)        (0.75)
                                                    -----          -----          -----          -----         -----
Net asset value, end of period .................   $14.35         $14.81         $14.97         $14.63        $13.05
                                                    =====          =====          =====          =====         =====
Total return ...................................     7.26%         14.06%          8.22%         20.60%        (5.43)%

Ratios/Supplemental Data:
Net assets, end of period (in thousands) ....... $256,060       $270,688       $296,291       $318,307      $286,355
Ratio of expenses to average net assets ........     1.10%          1.14%          1.14%          1.00%         1.02%
Ratio of net income to average net assets ......     4.25%          4.66%          5.11%          5.38%         5.51%
Portfolio turnover rate ........................   124.79%        138.90%        125.92%        111.78%        66.62%
</TABLE>

- ----------
  * Per share amounts are calculated based on average shares outstanding.



                                       15

- --------------------------------------------------------------------------------

<PAGE>



- --------------------------------------------------------------------------------

CLASS B

<TABLE>
<CAPTION>
                                                       Year ended
                                                       December 31,            4/22/96**
                                                   -------------------            to
                                                   1998           1997         12/31/96
                                                   -----          -----         ------
<S>                                              <C>             <C>            <C>   
Per Share Data*:
Net asset value, beginning of period ...........  $14.79         $14.95         $14.43
                                                   -----          -----          -----
Income from investment operations:
  Net investment income ........................    0.52           0.59           0.43
  Net gains or losses on securities
    (both realized and unrealized) .............    0.39           1.41           0.59
  Net gains or losses on foreign currency
    transactions (both realized and unrealized)       --          (0.10)          0.05
                                                   -----          -----          -----
Total from investment operations ...............    0.91           1.90           1.07
                                                   -----          -----          -----
Less distributions:
  Dividends (from net investment income) .......   (0.54)         (0.62)         (0.46)
  Distributions (from capital gains) ...........   (0.86)         (1.44)         (0.09)
                                                   -----          -----          -----
Total distributions ............................   (1.40)          2.06          (0.55)
                                                   -----          -----          -----
Net asset value, end of period .................  $14.30         $14.79         $14.95
                                                   =====          =====          =====
Total return ...................................    6.28%         13.24%          7.58%+
Ratios/Supplemental Data:
Net assets, end of period (in thousands) ....... $21,096         $8,607         $2,961
Ratio of expenses to average net assets ........    1.86%          1.90%          1.89%+
Ratio of net income to average net assets ......    3.49%          3.90%          4.36%+
Portfolio turnover rate ........................  124.79%        138.90%        125.92%++
</TABLE>


<TABLE>
<CAPTION>
                                                                         Year ended December 31,
                                                   ----------------------------------------------------------------
CLASS D                                             1998           1997           1996           1995          1994
                                                   -----          -----          -----          -----         -----
<S>                                              <C>            <C>            <C>            <C>           <C>    
Per Share Data*:
Net asset value, beginning of period ...........  $14.78         $14.95         $14.60         $13.01        $14.55
                                                   -----          -----          -----          -----         -----
Investment operations:
  Net investment income ........................    0.52           0.59           0.63           0.65          0.65
  Net gains or losses on securities
    (both realized and unrealized) .............    0.40           1.40           0.38           1.88         (1.57)
  Net gains or losses on foreign currency
    transactions (both realized and unrealized)       --          (0.10)          0.04          (0.01)         0.03
                                                   -----          -----          -----          -----         -----
Total from investment operations ...............    0.92           1.89           1.05           2.52         (0.89)
                                                   -----          -----          -----          -----         -----
Less distributions:
  Dividends (from net investment income) .......   (0.54)         (0.62)         (0.61)         (0.65)        (0.65)
  Distributions (from capital gains) ...........   (0.86)         (1.44)         (0.09)         (0.28)           --
                                                   -----          -----          -----          -----         -----
Total distributions ............................   (1.40)         (2.06)         (0.70)         (0.93)        (0.65)
                                                   -----          -----          -----          -----         -----
Net asset value, end of period .................  $14.30         $14.78         $14.95         $14.60        $13.01
                                                   =====          =====          =====          =====         =====
Total return ...................................    6.36%         13.17%          7.43%         19.66%         6.20%
Ratios/Supplemental Data:
Net assets, end of period (in thousands) ....... $78,263        $76,194        $81,957        $86,701       $67,946
Ratio of expenses to average net assets ........    1.86%          1.90%          1.90%          1.79%         1.82%
Ratio of net income to average net assets ......    3.49%          3.90%          4.37%          4.58%         4.74%
Portfolio turnover rate ........................  124.79%        138.90%        125.92%        111.78%        66.62%
</TABLE>

- ----------
  * Per share amounts are calculated based on average shares outstanding.

 ** Commencement of offering of shares.

  + Annualized.

 ++ For the year ended December 31, 1996.



                                       16

- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

How to Contact Us

The Fund                      Write:      Corporate Communications/
                                          Investor Relations Department
                                          J. & W. Seligman & Co. Incorporated
                                          100 Park Avenue, New York, NY 10017

                              Phone:      Toll-Free (800) 221-7844 in the US or
                                          (212) 850-1864 outside the US

                              Website:    http://www.seligman.com


Your Regular
(Non-Retirement)
Account                       Write:      Shareholder Services Department
                                          Seligman Data Corp.
                                          100 Park Avenue, New York, NY 10017

                              Phone:      Toll-Free (800) 221-2450 in the US or
                                          (212) 682-7600 outside the US

                              Website:    http://www.seligman.com


Your Retirement
Account                       Write:      Retirement Plan Services
                                          Seligman Data Corp.
                                          100 Park Avenue, New York, NY 10017

                              Phone:      Toll-Free (800) 445-1777



            --------------------------------------------------------
            24-hour telephone access is available by dialing (800)
            622-4597 on a touchtone telephone. You will have instant
            access to price, yield, account balance, most recent
            transaction, and other information.
            --------------------------------------------------------


                                       17


- --------------------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------

For More Information


          ------------------------------------------------------------
          The following information is available without charge upon
          request: Call toll-free (800) 221-2450 in the US or (212)
          682-7600 outside the US.

          Statement of Additional INformation (SAI) contains
          additional information about the Fund. It is on file with
          the Securities and Exchange Commission (SEC) and is
          incorporated by reference into (is legally part of) this
          prospectus.

          Annual/Semi-Annual Reports contain additional information
          about the Fund's investments. In the Fund's annual report,
          you will find an discussion of the market conditions and
          investment strategies that significantly affected the Fund's
          performance during its last fiscal year.
          ------------------------------------------------------------


                            SELIGMAN ADVISORS, INC.
                                an affiliate of
                                     [LOGO]
                             J. & W. SELIGMAN & CO.
                                  INCORPORATED
                                ESTABLISHED 1864
                      100 Park Avenue, New York, NY 10017


Information about the Fund, including the SAI, can be viewed and copied at the
SEC's Public Reference Room in Wasington, DC. For information about the
operation of the Public Reference Room, call (800) SEC-0330. The SAI,
Annual/Semi-Annual reports and other information about the Fund are also
available on the SEC's Internet site: http://www.sec.gov.

Copies of this information may be obtained, upon payment of a duplicating fee,
by writing: Public Reference Section of the SEC, Washington, DC. 20549-6009.

SEC FILE NUMBER: 811-525

- --------------------------------------------------------------------------------


<PAGE>



                           SELIGMAN INCOME FUND, INC.


                       Statement of Additional Information
                                   May 1, 1999

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


This Statement of Additional  Information (SAI) expands upon and supplements the
information  contained in the current  Prospectus  of the Seligman  Income Fund,
Inc.,  dated May 1, 1999.  This SAI,  although  not in itself a  prospectus,  is
incorporated by reference into the Prospectus in its entirety. It should be read
in conjunction  with the Prospectus,  which you may obtain by writing or calling
the Fund at the above address or telephone numbers.

The financial statements and notes included in the Fund's Annual Report, and the
Independent Auditors' Report thereon, are incorporated herein by reference.  The
Annual  Report will be furnished to you without  charge if you request a copy of
this SAI.









                                     Table of Contents

      Fund History.................................................  2
      Description of the Fund and its Investments and Risks........  2
      Management of the Fund.......................................  5
      Control Persons and Principal Holders of Securities..........  10
      Investment Advisory and Other Services.......................  10
      Brokerage Allocation and Other Practices.....................  16
      Capital Stock and Other Securities ..........................  17
      Purchase, Redemption, and Pricing of Shares..................  17
      Taxation of the Fund.........................................  22
      Underwriters.................................................  23
      Calculation of Performance Data .............................  25
      Financial Statements.........................................  27
      General Information..........................................  27
      Appendix ....................................................  28





<PAGE>


                                  Fund History

The Fund was incorporated under the laws of the state of Maryland in 1947.

              Description of the Fund and Its Investments and Risks

Classification

The Fund is a diversified  open-end  management  investment  company,  or mutual
fund.

Investment Strategies and Risks

The following information regarding the Fund's investments and risks supplements
the information contained in the Fund's Prospectus.

Convertible  bonds.  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  investment  manager  evaluates  such factors as
economic and business  conditions  involving the 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 investment 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 investment 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  Appendix  "A" to this  document.  The  investment
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 rated below investment grade (BB or lower by S&P or
Ba or lower by  Moody's).  Although  bonds  rated in the  fourth  credit  rating
category  (BBB or Baa) are commonly  referred to as investment  grade,  they may
have speculative characteristics.

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 either 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



                                       2
<PAGE>



unfavorably by changes in currency rates and exchange control regulation.  There
may be less  information  available  about a  foreign  company  than  about a US
company and foreign  companies  may not be subject to  reporting  standards  and
requirements comparable to those applicable to US companies.  Foreign securities
may not be as  liquid  as US  securities  and  there  may be  delays  and  risks
attendant in local settlement  procedures.  Securities of foreign  companies may
involve  greater  market  risk than  securities  of US  companies,  and  foreign
brokerage commissions and custody fees are generally higher than those in United
States.  Investments in foreign securities may also be subject to local economic
or political  risks,  political  instability,  the possible  nationalization  of
issuers and the risk of  expropriation  or restrictions  on the  repatriation of
proceeds of sale. In addition, foreign investments may be subject to withholding
and  other  taxes.  ADRs,  which  are  traded  in  dollars  on US  Exchanges  or
over-the-counter,  are  issued by  domestic  banks  and  evidence  ownership  of
securities issued by foreign corporations.  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 or to commercial  paper and  certificates  of deposit issued by foreign
banks.

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  investment  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 investment 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



                                       3
<PAGE>



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 investment  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.

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  investment
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  broker/dealers  as a short-term cash  management  tool. A
repurchase agreement is an agreement under



                                       4
<PAGE>



which the Fund  acquires  a  security,  generally  a US  Government  obligation,
subject to resale at an agreed upon price and date. The resale price reflects an
agreed upon  interest  rate  effective for the period of time the Fund holds the
security  and is  unrelated to the  interest  rate on the  security.  The Fund's
repurchase agreements will at all times be fully collateralized.

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,  a decline in value of the
underlying  securities  and  a  loss  of  interest.  Repurchase  agreements  are
typically  entered into for periods of one week or less. 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 invested in such agreements.

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 be  offered  and  sold to  "qualified
institutional  buyers"  under Rule 144A of the 1933 Act, and 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
the Board of Directors make this  determination,  it 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.

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.

Any gain in the value of securities  purchased  with money borrowed in excess of
the cost of  amounts  borrowed  would  cause the net asset  value of the  Fund's
shares to  increase  more than  otherwise  would be the  case.  Conversely,  any
decline in the value of securities  purchased with money borrowed or any gain in
value  less than the cost of amounts  borrowed  would  cause net asset  value to
decline more than would otherwise be the case.

Rights and  Warrants.  The Fund may invest in common  stock  rights and warrants
believed   by  the   investment   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.

Lending of  Portfolio  Securities.  The Fund may lend  portfolio  securities  to
broker/dealers or other  institutions,  if the investment  manager believes such
loans will be beneficial  to the Fund.  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 any dividend or interest paid on the securities. The Fund
may invest the collateral and earn  additional  income or receive an agreed upon
amount  of  interest  income  from the  borrower.  Loans  made by the Fund  will
generally be  short-term.  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  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



                                       5
<PAGE>



vote if that were considered important with respect to the investment.  The Fund
may loose money if a borrower  defaults on its  obligation to return  securities
and the value of the collateral  held by the Fund is insufficient to replace the
loaned securities.  In addition, the Fund in responsible for any loss that might
result from its investment of the borrower's collateral.

Except as otherwise  specifically noted above, the Fund's investment  strategies
are not  fundamental  and the Fund, with the approval of the Board of Directors,
may change such strategies without the vote of shareholders.

Fund Policies

The Fund is subject to fundamental  policies that place  restrictions on certain
types of  investments.  These  policies  cannot be  changed  except by vote of a
majority of the Fund's outstanding voting securities.  Under these policies, the
Fund may not:

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

- -    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;

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

- -    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;

- -    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;

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

- -    Invest  in  securities  issued  by other  investment  companies,  except in
     connection with a merger,  consolidation,  acquisition or reorganization or
     for the  purpose  of  hedging  the Fund's  obligations  under the  Deferred
     Compensation Plan for Directors;

- -    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;

- -    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;

- -    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;

- -    Purchase or sell commodities and commodity contracts;



                                       6
<PAGE>



- -    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;

- -    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

- -    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.

The Fund  also may not  change  its  investment  objective  without  shareholder
approval.

Under the  Investment  Company Act of 1940 (1940 Act),  a "vote of a majority of
the outstanding voting securities" of the Fund means the affirmative vote of the
lesser of (l) 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.

Temporary Defensive Position

When the investment  manager believes that market conditions warrant a temporary
defensive  position,  the Fund may invest up to 100% of its assets in short-term
instruments,  including,  but not  limited  to,  prime  commercial  paper,  bank
certificates of deposit, bankers' acceptances, or repurchase agreements for such
securities,   and   securities  of  the  US  Government  and  its  agencies  and
instrumentalities,  as well as cash and cash equivalents  denominated in foreign
currencies.  The Fund's  investments in foreign  short-term  instruments will be
limited  to  those  that,  in the  opinion  of the  investment  manager,  equate
generally  to  the  standards   established   for  US  short-term   instruments.
Investments in bank obligations will be limited at the time of investment to the
obligations  of the 100  largest  domestic  banks in terms of  assets  which are
subject to regulatory supervision by the US Government or state governments, and
the  obligations  of the 100  largest  foreign  banks in terms  of  assets  with
branches or agencies in the United States.

Portfolio Turnover

The Fund's  portfolio  turnover  rate is  calculated  by dividing  the lesser of
purchases or sales of portfolio  securities for the year by the monthly  average
of the value of the portfolio securities owned during the year. Securities whose
maturity or expiration date at the time of acquisition were one year or less are
excluded from the calculation. The Fund's portfolio turnover rates for the years
ended December 31, 1998 and 1997 were ______% and 138.90%, respectively.

                             Management of the Fund

Board of Directors

The Board of Directors provides broad supervision over the affairs of the Fund.

Management Information

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.



                                       7
<PAGE>



<TABLE>
<CAPTION>
             Name,                                                                     Principal
           (Age) and                   Positions(s) Held                          Occupation(s) During
            Address                        With Fund                                  Past 5 Years
           ---------                   -----------------                          --------------------
<S>                              <C>                             <C>
      William C. Morris*         Director, Chairman of the       Chairman,  J. & W.  Seligman  & Co.  Incorporated, 
             (60)                Board, Chief Executive          Chairman and Chief Executive Officer, the Seligman 
                                 Officer and Chairman of the     Group of investment companies;  Chairman, Seligman 
                                 Executive Committee             Advisors, Inc, Seligman Services,  Inc., and Carbo 
                                                                 Ceramics Inc.,  ceramic  proppants for oil and gas 
                                                                 industry;    Director,    Seligman   Data   Corp., 
                                                                 Kerr-McGee    Corporation,    diversified   energy 
                                                                 company;  and Sarah Lawrence College; and a Member 
                                                                 of  the  Board  of  Governors  of  the  Investment 
                                                                 Company  Institute.   Formerly,  Director,  Daniel 
                                                                 Industries  Inc.,  manufacturer  of  oil  and  gas 
                                                                 metering equipment.                                

        Brian T. Zino*           Director, President and         Director  and  President,  J. & W.  Seligman & Co. 
             (46)                Member of the Executive         Incorporated;  President  (with the  exception  of 
                                 Committee                       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.; 
                                                                 Director,  ICI Mutual Insurance Company;  Seligman 
                                                                 Advisors, Inc., and Seligman Services, Inc.        

     Richard R. Schmaltz*        Director and Member of the      Director  and  Managing   Director,   Director  of
             (58)                Executive Committee             Investments,  J. & W. Seligman & Co. Incorporated;
                                                                 Director  or  Trustee,   the  Seligman   Group  of
                                                                 investment companies; Director, Seligman Henderson
                                                                 Co.,  and  Trustee   Emeritus  of  Colby  College.
                                                                 Formerly,   Director,   Investment   Research   at
                                                                 Neuberger  & Berman  from  May  1993 to  September
                                                                 1996.                                             

        John R. Galvin                      Director             Dean,  Fletcher  School  of Law and  Diplomacy  at
             (69)                                                Tufts   University;   Director  or  Trustee,   the
       Tufts University                                          Seligman Group of investment companies;  Chairman,
        Packard Avenue,                                          American  Council on  Germany;  a Governor  of the
       Medford, MA 02155                                         Center for Creative Leadership; Director; Raytheon
                                                                 Co., electronics; National Defense University; and
                                                                 the  Institute  for  Defense  Analysis.  Formerly,
                                                                 Director,  USLIFE  Corporation;  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.                                          
</TABLE>



                                       8
<PAGE>



<TABLE>
<CAPTION>
             Name,                                                                     Principal
           (Age) and                   Positions(s) Held                          Occupation(s) During
            Address                        With Fund                                  Past 5 Years
           ---------                   -----------------                          --------------------
<S>                                         <C>                  <C>
       Alice S. Ilchman                     Director             Retired   President,   Sarah   Lawrence   College;
             (63)                                                Director  or  Trustee,   the  Seligman   Group  of
      18 Highland Circle                                         investment companies;  Director, the Committee for
     Bronxville, NY 10708                                        Economic    Development;    and   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.           

       Frank A. McPherson                   Director             Retired  Chairman and Chief  Executive  Officer of
              (65)                                               Kerr-McGee  Corporation;  Director or Trustee, the
2601 Northwest Expressway,                                       Seligman Group of investment companies;  Director,
           Suite 805E                                            Kimberly-Clark  Corporation,   consumer  products;
    Oklahoma City, OK 73112                                      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,  Oklahoma
                                                                 City  Public  Schools  Foundation;  and  Director,
                                                                 Federal Reserve  System's Kansas City Reserve Bank
                                                                 and the Oklahoma City Chamber of Commerce.        

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

        Betsy S. Michel                     Director             Attorney;  Director or Trustee, the Seligman Group
             (56)                                                of investment companies; Trustee, The Geraldine R.
         P.O. Box 449                                            Dodge  Foundation,   charitable  foundation;   and
      Gladstone, NJ 07934                                        Chairman of the Board of Trustees of St.  George's
                                                                 School  (Newport,  RI).  Formerly,  Director,  the
                                                                 National   Association  of   Independent   Schools
                                                                 (Washington, DC).                                 
</TABLE>


                                       9
<PAGE>



<TABLE>
<CAPTION>
             Name,                                                                     Principal
           (Age) and                   Positions(s) Held                          Occupation(s) During
            Address                        With Fund                                  Past 5 Years
           ---------                   -----------------                          --------------------
<S>                              <C>                             <C>
        James C. Pitney                     Director             Retired Partner, Pitney, Hardin, Kipp & Szuch, law
             (72)                                                firm;  Director or Trustee,  the Seligman Group of
 Park Avenue at Morris County,                                   investment companies.  Formerly,  Director, Public
 P.O. Box 1945, Morristown, NJ                                   Service Enterprise Group, public utility.         
             07962                                               

       James Q. Riordan                     Director             Director  or  Trustee,   the  Seligman   Group  of 
             (71)                                                investment   companies;   Director,   The  Houston 
       675 Third Avenue,                                         Exploration Company; The Brooklyn Museum,  KeySpan 
          Suite 3004                                             Energy   Corporation;   and  Public   Broadcasting 
      New York, NY 10017                                         Service;  and Trustee,  the Committee for Economic 
                                                                 Development.  Formerly,  Co-Chairman of the Policy 
                                                                 Council of the Tax  Foundation;  Director,  Tesoro 
                                                                 Petroleum Companies, Inc. and Dow Jones & Company, 
                                                                 Inc.; Director and President, Bekaert Corporation; 
                                                                 and Co-Chairman, Mobil Corporation.                

       Robert L. Shafer                     Director             Retired Vice President,  Pfizer Inc.;  Director or
             (66)                                                Trustee,   the   Seligman   Group  of   investment
     96 Evergreen Avenue,                                        companies. Formerly, Director, USLIFE Corporation.
         Rye, NY 10580                                           

       James N. Whitson                     Director             Director  and  Consultant,   Sammons  Enterprises,
             (63)                                                Inc.;  Director or Trustee,  the Seligman Group of
    6606 Forestshire Drive                                       investment companies;  C-SPAN; and CommScope, Inc.
       Dallas, TX 75230                                          manufacturer   of   coaxial   cables.    Formerly,
                                                                 Executive Vice President, Chief Operating Officer,
                                                                 Sammons Enterprises,  Inc.; and Director,  Red Man
                                                                 Pipe  and   Supply   Company,   piping  and  other
                                                                 materials.                                        

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

       Lawrence P. Vogel                 Vice President          Senior Vice President, Finance, J. & W. Seligman &
             (42)                                                Co.  Incorporated,  Seligman  Advisors,  Inc., and
                                                                 Seligman Data Corp.; Vice President,  the Seligman
                                                                 Group  of  investment   companies,   and  Seligman
                                                                 Services, Inc.; and Treasurer,  Seligman Henderson
                                                                 Co.                                               
</TABLE>



                                       10
<PAGE>



<TABLE>
<CAPTION>
             Name,                                                                     Principal
           (Age) and                   Positions(s) Held                          Occupation(s) During
            Address                        With Fund                                  Past 5 Years
           ---------                   -----------------                          --------------------
<S>                                        <C>                   <C>
        Frank J. Nasta                     Secretary             General  Counsel,  Senior Vice President,  Law and 
             (34)                                                Regulation  and  Corporate  Secretary,   J.  &  W. 
                                                                 Seligman  &  Co.  Incorporated;   Secretary,   the 
                                                                 Seligman Group of investment  companies,  Seligman 
                                                                 Advisors,  Inc.,  Seligman Henderson Co., Seligman 
                                                                 Services, Inc., and Seligman Data Corp.            

         Thomas G. Rose                    Treasurer             Treasurer, the Seligman Group of investment companies
              (41)                                               and Seligman Data Corp.
</TABLE>

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.

Directors  and officers of the Fund are also  directors  and officers of some or
all of the other investment companies in the Seligman Group.

Compensation

<TABLE>
<CAPTION>
                                                                          Pension or             Total Compensation
                                                       Aggregate       Retirement Benefits          from Fund and
            Name and                                 Compensation      Accrued as Part of         Fund Complex Paid
       Position with Fund                            from Fund (1)       Fund Expenses           to Directors (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
John R. Galvin, Director                                 $                   N/A                     $79,000
Alice S. Ilchman, Director                                                   N/A                      73,000
Frank A. McPherson, Director                                                 N/A                      79,000
John E. Merow, Director                                                      N/A                      77,000
Betsy S. Michel, Director                                                    N/A                      79,000
James C. Pitney, Director                                                    N/A                      75,000
James Q. Riordan, Director                                                   N/A                      75,000
Robert L. Shafer, Director                                                   N/A                      75,000
James N. Whitson, Director                               (d)                 N/A                      79,000(d)
</TABLE>

- ----------
(1)  For the Fund's year ended  December 31, 1998.  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)  The Seligman Group of investment  companies consists of eighteen investment
     companies. (d) Deferred.

The Fund has a compensation  arrangement under which outside directors may elect
to defer receiving their fees. The Fund has adopted a Deferred Compensation Plan
under which a director who has elected  deferral of his or her fees may choose a
rate of return  equal to either (1) the  interest  rate on  short-term  Treasury
bills,  or (2)  the  rate  of  return  on the  shares  of any of the  investment
companies advised by J. & W. Seligman & Co.  Incorporated,  as designated by the
director.  The cost of such fees and earnings is included in directors' fees and
expenses,  and the accumulated  balance thereof is included in other liabilities
in the Fund's financial  statements.  The total amount of deferred  compensation
(including  earnings)  payable  in  respect  of the  Fund to Mr.  Whitson  as of
December  31,  1998 was $________.  Messrs.



                                       11
<PAGE>



Merow and  Pitney no  longer  defer  current  compensation;  however,  they have
accrued  deferred  compensation  in the  amounts of  $________  and  $_________,
respectively, as of December 31, 1998.

The Fund  may,  but is not  obligated  to,  purchase  shares of  Seligman  Group
investment  companies to hedge its  obligations  in  connection  with the Fund's
Deferred Compensation Plan.

Sales Charges

Class A shares of the Fund may be issued  without a sales  charge to present and
retired directors,  trustees,  officers, employees (and their family members) of
the Fund,  the other  investment  companies in the Seligman  Group,  and J. & W.
Seligman & Co.  Incorporated  and its affiliates.  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 may also be made to employee  benefit plans and thrift plans for such
persons and to any  investment  advisory,  custodial,  trust or other  fiduciary
account  managed  or  advised  by J. & W.  Seligman  & Co.  Incorporated  or any
affiliate. The sales may be made for investment purposes only, and shares may be
resold only to the Fund.

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

               Control Persons and Principal Holders of Securities

Control Persons

As of January 31, 1999,  there was no person or persons who controlled the Fund,
either through a significant ownership of shares or any other means of control.

Principal Holders

As of  January  31,  1999,  7.64%  of the  Fund's  Class  A  common  stock  then
outstanding,  24.42% of the Fund's Class B common stock then  outstanding;  and,
24.37% of the Fund's Class D common stock then outstanding, were owned of record
by Merrill  Lynch Pierce  Fenner & Smith for the Sole Benefit of Its  Customers,
Attn. Fund Administrator, 4800 Deer Lake Drive East, 3rd Floor, Jacksonville, FL
32246.

Management Ownership

Directors  and  officers of the Fund as a group owned less than 1% of the Fund's
Class A capital  stock as of January 31, 1999. As of the same date, no Directors
or officers owned shares of the Fund's Class B or Class D capital stock.

                     Investment Advisory and Other Services

Investment Manager

J. & W. Seligman & Co.  Incorporated  (Seligman) manages the Fund. Seligman 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 Seligman was purchased by Mr. William C. Morris and a simultaneous
recapitalization  of Seligman  occurred.  See  Appendix  for further  history of
Seligman.

All of the  officers  of the Fund listed  above are  officers  or  employees  of
Seligman.  Their affiliations with the Fund and with Seligman are provided under
their principal business occupations.

The Fund pays Seligman a management fee for its services,  calculated  daily and
payable  monthly.  The  management  fee is equal to .60% per annum of the Fund's
average  daily net  assets on the first $1  billion



                                       12
<PAGE>



of net assets and .55% per annum of the Fund's  average  daily net assets on the
next $1 billion of net assets,  and .50% per annum of the Fund's  average  daily
net assets in excess of $2 billion.  For the year ended  December 31, 1998,  the
Fund paid Seligman $__________,  equal to ______% per annum of its average daily
net  assets.  For the year  ended  December  31,  1997,  the Fund paid  Seligman
$2,192,400, equal to .60% per annum of its average daily net assets, and for the
year ended  December 31, 1996, the Fund paid Seligman  $2,342,764  equal to .60%
per  annum of its  average  daily net  assets.  Seligman  paid fees to  Seligman
Henderson Co., pursuant to a subadvisory  contract, of $271,414 and $248,704 for
the years ended December 31, 1997 and 1996, respectively. On March 30, 1998, the
subadvisory  agreement was  terminated.  For the period  January 1, 1998 through
March 30, 1998, Seligman paid fees to Seligman Henderson Co. of $__________.

The Fund  pays  all of its  expenses  other  than  those  assumed  by  Seligman,
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 of 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  provides that Seligman will not be liable to the Fund
for any error of judgment or mistake of law, or for any loss  arising out of any
investment,  or for any act or  omission  in  performing  its  duties  under the
Agreement,  except for willful  misfeasance,  bad faith,  gross  negligence,  or
reckless disregard of its obligations and duties under the Agreement.

The Management  Agreement was initially  approved by the Board of Directors at a
Meeting held on September 30, 1988 and by the  shareholders at a special meeting
held on December 16, 1988.  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
(i.e.,  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) Seligman  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 or by  Seligman,  without
penalty, on 60 days' written notice to Seligman and will terminate automatically
in the event of its  assignment.  The Fund 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 Seligman's business.

Officers,  directors  and  employees  of  Seligman  are  permitted  to engage in
personal securities transactions, subject to Seligman's Code of Ethics. The Code
of Ethics  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 Seligman's Compliance Officer,
and sets forth a  procedure  of  identifying,  for  disciplinary  action,  those
individuals who violate the Code of Ethics. The Code of Ethics prohibits each of
the  officers,  directors and employees  (including  all portfolio  managers) of
Seligman from purchasing or selling any security that the officer,  director, or
employee knows or believes (1) was  recommended by Seligman for purchase or sale
by any client,  including the Fund, within the preceding two weeks, (2) has been
reviewed by Seligman  for  possible  purchase or sale within



                                       13
<PAGE>



the preceding two weeks,  (3) is being  purchased or sold by any client,  (4) is
being  considered  by a research  analyst,  (5) is being  acquired  in a private
placement,  unless prior approval has been obtained from  Seligman's  Compliance
Officer,  or (6) is  being  acquired  during  an  initial  or  secondary  public
offering.  The Code of Ethics 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 Code of Ethics also  prohibits  (1) 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 (2) 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 Seligman'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.

Principal Underwriter

Seligman Advisors,  Inc., (Seligman Advisors) an affiliate of Seligman, 100 Park
Avenue,  New York, New York 10017, acts as general  distributor of the shares of
the Fund and of the other mutual funds in the Seligman Group.  Seligman Advisors
is an  "affiliated  person" (as defined in the 1940 Act) of  Seligman,  which is
itself an affiliated  person of the Fund.  Those  individuals  identified  above
under  "Management  Information"  as  directors or officers of both the Fund and
Seligman Advisors are affiliated persons of both entities.

Services Provided by the Investment Manager

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,
Seligman  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.  Seligman provides the Fund with such office space,  administrative and
other  services and  executive  and other  personnel as are  necessary  for Fund
operations.  Seligman pays all of the  compensation of directors of the Fund who
are  employees or  consultants  of Seligman and of the officers and employees of
the Fund.  Seligman also provides senior management for Seligman Data Corp., the
Fund's shareholder service agent.

Service Agreements

There are no other management-related service contracts under which services are
provided to the Fund.

Other Investment Advice

No person or persons, other than directors,  officers, or employees of Seligman,
regularly advise the Fund with respect to its investments.

Dealer Reallowances

Dealers and financial  advisors receive a percentage of the initial sales charge
on sales of Class A shares of the Fund, as set forth below:



                                       14
<PAGE>


<TABLE>
<CAPTION>
                                                                                   Regular Dealer
                                    Sales Charge           Sales Charge              Reallowance
                                     As a % of             as a % of Net              As a % of
Amount of Purchase               Offering Price(1)        Amount Invested          Offering Price
- ------------------               -----------------        ---------------          --------------
<S>                                     <C>                    <C>                      <C>  
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  and over(2)                  0                       0                        0
</TABLE>

(1)  "Offering  Price" is the amount that you actually  pay for Fund shares;  it
     includes the initial sales charge.

(2)  You will not pay a sales charge on purchases of $1 million or more, but you
     will be subject to a 1% CDSC if you sell your shares within 18 months.

Seligman Services,  Inc.  (Seligman  Services),  an affiliate of Seligman,  is a
limited  purpose  broker/dealer.   Seligman  Services  is  eligible  to  receive
commissions  from  certain  sales of Fund shares.  For years ended  December 31,
1998, 1997, and 1996,  Seligman Services received  commissions in the amounts of
$_______ , $8,141 and $10,898, respectively.

Rule 12b-1 Plan

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

Under the 12b-1 Plan, the Fund may pay to Seligman  Advisors an  administration,
shareholder  services  and  distribution  fee in respect of the Fund's  Class A,
Class B, and Class D shares.  Payments under the 12b-1 Plan may include, but are
not limited to: (1) compensation to securities  dealers and other  organizations
(Service  Organizations) for providing  distribution  assistance with respect to
assets  invested in the Fund;  (2)  compensation  to Service  Organizations  for
providing administration, accounting and other shareholder services with respect
to Fund  shareholders;  and (3)  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  Seligman  Advisors'  costs incurred in
connection  with its  marketing  efforts  with  respect  to  shares of the Fund.
Seligman,  in its sole  discretion,  may also make similar  payments to Seligman
Advisors  from its own  resources,  which may  include the  management  fee that
Seligman receives from the Fund.  Payments made by the Fund under the 12b-1 Plan
are intended to be used to encourage sales of the Fund, as well as to discourage
redemptions.

Fees paid by the Fund under the 12b-1  Plan with  respect to any class of shares
may not be used to pay expenses incurred solely in respect of any other class or
any other Seligman  fund.  Expenses  attributable  to more than one class of the
Fund will be  allocated  between the classes in  accordance  with a  methodology
approved by the Fund's Board of Directors.  Expenses of distribution  activities
that benefit both the Fund and other Seligman funds will be allocated  among the
applicable  funds  based on  relative  gross  sales over the prior  quarter,  in
accordance with a methodology approved by the Board.

Class A 

Under the 12b-1 Plan, the Fund,  with respect to Class A shares,  pays quarterly
to  Seligman  Advisors  a  service  fee at an  annual  rate of up to .25% of the
average  daily net asset  value of the  Class A shares.  These  fees are used by
Seligman Advisors  exclusively to make payments to Service  Organizations  which
have entered into agreements with Seligman Advisors.  Such Service Organizations
receive  from  Seligman  Advisors  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



                                       15
<PAGE>



personal service and/or maintenance of shareholder accounts.  The fee payable to
Service Organizations from time to time shall, within such limits, be determined
by the Directors of the Fund. The Fund is not obligated to pay Seligman Advisors
for any such costs it incurs in excess of the fee  described  above.  No expense
incurred in one year by Seligman  Advisors with respect to Class A shares of the
Fund may be paid from  Class A 12b-1  fees  received  from the Fund in any other
year. If the Fund's 12b-1 Plan is  terminated  in respect of Class A shares,  no
amounts (other than amounts  accrued but not yet paid) would be owed by the Fund
to Seligman  Advisors  with respect to Class A shares.  The total amount paid by
the Fund to  Seligman  Advisors  in respect of Class A shares for the year ended
December 31, 1998 was $__________,  equivalent to ______% of the Class A shares'
average daily net assets.

Class B

Under the 12b-1 Plan, the Fund,  with respect to Class B shares,  pays monthly a
12b-1 fee at an annual rate of up to 1% of the average  daily net asset value of
the Class B shares. The fee is comprised of (1) a distribution fee equal to .75%
per annum,  which is paid  directly to a third  party,  FEP  Capital,  L.P.,  to
compensate  it for having  funded,  at the time of sale of Fund  shares (i) a 4%
commission  payment to Service  Organizations in connection with the sale of the
Class B shares and (ii) a payment of up to .25% of sales to Seligman Advisors to
help defray its costs of distributing  Class B shares;  and (2) a service fee of
up to .25% per annum which is paid to Seligman Advisors. The service fee is used
by Seligman Advisors exclusively to make payments to Service Organizations which
have entered into agreements with Seligman Advisors.  Such Service Organizations
receive  from  Seligman  Advisors a  continuing  service fee of up to .25% on an
annual  basis,  payable  quarterly,  of the average  daily net assets of Class B
shares  attributable  to  the  particular  Service  Organization  for  providing
personal  service  and/or  maintenance  of  shareholder  accounts.  The  amounts
expended by  Seligman  Advisors  or FEP  Capital,  L.P. in any one year upon the
initial purchase of Class B shares of the Fund may exceed the 12b-1 fees paid by
the Fund in that  year.  The Fund's  12b-1 Plan  permits  expenses  incurred  in
respect  of  Class B  shares  in one  year to be paid  from  Class B 12b-1  fees
received from the Fund in any other year;  however,  in any year the Fund is not
obligated to pay any 12b-1 fees in excess of the fees described above.  Seligman
Advisors and FEP Capital, L.P. are not reimbursed for expenses which exceed such
fees. If the Fund's 12b-1 Plan is  terminated  in respect of Class B shares,  no
amounts (other than amounts accrued but not yet paid) would be owed by that Fund
to Seligman  Advisors or FEP Capital,  L.P. with respect to Class B shares.  The
total  amount  paid by the Fund in  respect of Class B shares for the year ended
December 31, 1998 was $__________, equivalent to _____% per annum of the average
daily net assets of Class B shares.

Class D

Under the 12b-1 Plan, the Fund, with respect to Class D shares,  pays monthly to
Seligman Advisors a 12b-1 fee at an annual rate of up to 1% of the average daily
net asset value of the Class D shares.  The Fee is used by Seligman  Advisors as
follows:  During  the  first  year  following  the  sale of  Class D  shares,  a
distribution fee of .75% of the average daily net assets attributable to Class D
share is used, along with any CDSC proceeds,  to (1) reimburse Seligman Advisors
for its payment at the time of sale of Class D shares of a .75% sales commission
to Service Organizations, and (2) pay for other distribution expenses, 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 other marketing costs of Seligman  Advisors.  In addition,  during
the first year following the sale of Class D shares, a service fee of up to .25%
of the average daily net assets  attributable  to such Class D shares is used to
reimburse  Seligman Advisors for its prepayment to Service  Organizations at the
time of sale of Class D shares of a  service  fee of up to .25% of the net asset
value of the Class D share sold (for  shareholder  services  to be  provided  to
Class D shareholders  over the course of the one year immediately  following the
sale). The payment to Seligman  Advisors is limited to amounts Seligman Advisors
actually  paid to Service  Organizations  at the time of sale as  service  fees.
After the initial one-year period following a sale of Class D shares, the entire
12b-1 fee  attributable to such Class D shares is paid to Service  Organizations
for providing  continuing  shareholder  services and distribution  assistance in
respect of assets  invested  in



                                       16
<PAGE>



the Fund. The total amount paid by the Fund in respect of Class D shares for the
year ended  December  31,  1998 was $_____,  equivalent  to __% per annum of the
average daily net assets of Class D shares.

The amounts expended by Seligman  Advisors in any one year with respect to Class
D shares of the Fund may  exceed  the 12b-1  fees paid by the Fund in that year.
The Fund's 12b-1 Plan permits expenses  incurred by Seligman Advisors in respect
of Class D shares  in one year to be paid from  Class D 12b-1  fees in any other
year;  however,  in any year the Fund is not  obligated to pay any 12b-1 fees in
excess of the fees described above.

As of December 31, 1998 Seligman  Advisors has incurred  $______ of unreimbursed
expenses in respect of the Fund's Class D shares. This amount is equal to __% of
the net assets of Class D shares at December 31, 1998.

If the 12b-1 Plan is  terminated  in  respect of Class D shares of the Fund,  no
amounts  (other than amounts  accrued by not yet paid) would be owed by the Fund
to Seligman Advisors with respect to Class D shares.

Payments  made by the Fund  under  the  12b-1  Plan for its  fiscal  year  ended
December 31,  1998,  were spent on the  following  activities  in the  following
amounts:

                                   Class A       Class B      Class D
                                   -------       -------      -------

Compensation to underwriters                     $            $

Compensation to broker/dealers     $             $            $

Other*                                           $

*    Payment is made to FEP Capital, L. P. to compensate it for having funded at
     the time of sale, payments to broker/dealers and underwriters.

The 12b-1 Plan was  approved  on July 16,  1992 by the  Directors,  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 12b-1 Plan (the
"Qualified Directors") and was approved by shareholders of the Fund at a Special
Meeting of the  Shareholders  held on November 23,  1992.  The 12b-1 Plan became
effective  in respect  of the Class A shares on January 1, 1993.  The 12b-1 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 12b-1
Plan was  approved  in  respect  of the Class D shares on March 18,  1993 by the
Directors, including a majority of the Qualified Directors, and became effective
in respect of the Class D shares on May 1, 1993. The 12b-1 Plan will continue in
effect until  December 31 of each year so long as such  continuance  is approved
annually by a majority  vote of both the Directors of the Fund and the Qualified
Directors,  cast in person at a meeting called for the purpose of voting on such
approval.  The 12b-1 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 12b-1  Plan is  proposed  to be
increased materially,  the Fund will either (1) permit holders of Class B shares
to vote as a separate  class on the  proposed  increase  or (2)  establish a new
class of shares  subject to the same  payment  under the 12b-1 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 12b-1
Plan may be made  except by vote of a  majority  of both the  Directors  and the
Qualified Directors.

The 12b-1 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 12b-1 Plan. Rule 12b-1
also  requires  that the  selection  and  nomination  of  Directors  who are not



                                       17
<PAGE>



"interested  persons" of the Fund be made by such disinterested  Directors.  The
12b-1 Plan is reviewed by the Directors annually.

Seligman  Services acts as a broker/dealer  of record for  shareholder  accounts
that do not have a designated  financial advisor and receives  compensation from
the Fund pursuant to the 12b-1 Plan for providing  personal services and account
maintenance  to such  accounts and other  distribution  services.  For the years
ended December 31, 1998, 1997, and 1996, Seligman Services received distribution
and  service  fees  from the Fund  pursuant  to its 12b-1  Plan of  $__________,
$51,665 and $57,842, respectively.

                    Brokerage Allocation and Other Practices

Brokerage Transactions

Seligman  will seek the most  favorable  price and execution in the purchase and
sale of portfolio  securities  of the Fund.  When two or more of the  investment
companies in the Seligman Group or other investment advisory clients of Seligman
desire  to buy or sell  the  same  security  at the same  time,  the  securities
purchased or sold are allocated by Seligman 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.

In  over-the-counter  markets,  the Fund deals with  responsible  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.

For the years ended  December  31,  1998,  1997,  and 1996,  the Fund paid total
brokerage commissions to others for execution, research and statistical services
in the amounts of $__________, $298,513 and $86,967, respectively.

Commissions

For the years ended December 31, 1998,  1997, and 1996, the Fund did not execute
any portfolio  transactions  with, and therefore did not pay any commissions to,
any broker affiliated with either the Fund, Seligman, or Seligman Advisors.

Brokerage Selection

Consistent  with seeking the most  favorable  price and execution when buying or
selling portfolio  securities,  Seligman may give consideration to the research,
statistical,  and other services furnished by brokers or dealers to Seligman for
its use,  as well as 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 Seligman to be beneficial to the Fund. In
addition,  Seligman  is  authorized  to place  orders  with  brokers who provide
supplemental  investment and market research and security 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 Seligman in  connection  with its  services to clients  other than the
Fund.

Directed Brokerage

During the year ended  December 31, 1998 neither the Fund nor Seligman  directed
any of the  Fund's  brokerage  transactions  to a  broker  because  of  research
services provided.



                                       18
<PAGE>



Regular Broker-Dealers

During the year ended December 31, 1998, the Fund did not acquire  securities of
its regular  brokers or dealers (as defined in Rule 10b-1 under the 1940 Act) or
of their parents.

                       Capital Stock and Other Securities

Capital Stock

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, designated Class A, Class B, and
Class D shares.  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  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.  All  shares  have  noncumulative  voting  rights  for  the  election  of
directors. Each outstanding share is fully paid and non-assessable,  and each is
freely transferable. There are no liquidation, conversion, or preemptive rights.

Other Securities

The Fund has no authorized securities other than common stock.

                   Purchase, Redemption, and Pricing of Shares

Purchase of Shares

Class A

Class A shares may be  purchased  at a price  equal to the next  determined  net
asset value per share, plus an initial sales charge.

Purchases  of Class A shares by a "single  person"  (as  defined  below)  may be
eligible for the following reductions in initial sales charges:

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 mutual
funds in the Seligman Group which are sold with an initial sales charge, reaches
levels indicated in the sales charge 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 shares of the other  Seligman  mutual
funds sold with an initial sales charge with the total net asset value of shares
of those mutual funds  already owned that were sold with an initial sales charge
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 an initial  sales  charge at the time of  purchase to  determine
reduced  sales charges 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 charge at the time of purchase will be
taken into account in orders placed through a dealer,  however, only if Seligman
Advisors  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.



                                       19
<PAGE>



A Letter of Intent allows an investor to purchase Class A shares over a 13-month
period at reduced  initial sales charges in accordance  with the schedule in the
Prospectus,  based on the  total  amount  of Class A shares of the Fund that the
letter states the investor intends to purchase plus the total net asset value of
shares that were sold with an initial sales charge 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 an initial  sales charge at the time of
purchase.  Reduced  sales  charges  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.

CDSC Applicable to Class A Shares.  Class A shares purchased  without an initial
sales  charge  in  accordance  with the  sales  charge  schedule  in the  Fund's
Prospectus,  or pursuant to a Volume Discount, Right of Accumulation,  or Letter
of Intent  are  subject to a CDSC of 1% on  redemptions  of such  shares  within
eighteen months of purchase. Employee benefit plans eligible for net asset value
sales (as described  below) may be subject to a CDSC of 1% for  terminations  at
the plan level only, on redemptions of shares  purchased  within eighteen months
prior to plan  termination.  The 1% CDSC  will be  waived  on  shares  that were
purchased   through  Morgan  Stanley  Dean  Witter  &  Co.  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 Dean Witter will reimburse  Seligman  Advisors a pro rata portion of the
fee it received from Seligman Advisors at the time of sale of such shares.

See "CDSC  Waivers"  below for other  waivers which may be applicable to Class A
shares.

Persons  Entitled To  Reductions.  Reductions  in initial sales charges 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) of the
Internal  Revenue Code, 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 charges in the Prospectus
applies to sales to "eligible  employee benefit plans," except that the Fund may
sell shares at net asset value to "eligible  employee  benefit plans" which have
at least (1) $500,000  invested in the Seligman  Group of mutual funds or (2) 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.
"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.



                                       20
<PAGE>



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  financial  advisors  or  Seligman
Advisors.

Further  Types of  Reductions.  Class A shares  may also be  issued  without  an
initial sales charge 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 Seligman  Advisors;  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 Seligman 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 (1) $500,000  invested
in the Seligman  mutual funds or (2) 50 eligible  employees to whom such plan is
made available.

Class B

Class B shares may be  purchased  at a price  equal to the next  determined  net
asset  value,  without  an initial  sales  charge.  However,  Class B shares are
subject to a CDSC 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                                         CDSC
- --------------------                                         ----

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%

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 CDSC  schedule  if such  schedule is
higher or longer than the CDSC 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 CDSC schedule if such schedule is higher or longer than the CDSC schedule
relating  to the  Class B shares of the  Seligman  Mutual  Fund  from  which the
exchange has been made.



                                       21
<PAGE>



Class D

Class D shares may be  purchased  at a price  equal to the next  determined  net
asset  value,  without  an initial  sales  charge.  However,  Class D shares are
subject to a CDSC of 1% if the shares are redeemed  within one year of purchase,
charged as a percentage of the current net asset value or the original  purchase
price, whichever is less.

Systematic Withdrawals. Class B and Class D shareholders who reinvest both their
dividends and capital gain  distributions to purchase  additional  shares of the
Fund, may use the Fund's  Systematic  Withdrawal  Plan to withdraw up to 12% and
10%,  respectively,  of the  value  of  their  accounts  per  year  without  the
imposition of a CDSC.  Account value is determined as of the date the systematic
withdrawals begin.

CDSC  Waivers.  The CDSC on  Class B and  Class D shares  (and  certain  Class A
shares,  as  discussed  above)  will  be  waived  or  reduced  in the  following
instances:

(1)  on  redemptions  following the death or  disability  (as defined in Section
     72(m)(7) of the  Internal  Revenue  Code) of a  shareholder  or  beneficial
     owner;

(2)  in connection with (1) distributions  from retirement plans qualified under
     Section  401(a) of the  Internal  Revenue  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),  (2)  distributions  from a custodial account under
     Section  403(b)(7)  of the  Internal  Revenue  Code or an IRA due to death,
     disability,  minimum  distribution  requirements after attainment of age 70
     1/2 or, for accounts  established  prior to January 1, 1998,  attainment of
     age 59 1/2, and (3) a tax-free return of an excess contribution to an IRA;

(3)  in whole or in part, in connection  with shares sold to current and retired
     Directors of the Fund;

(4)  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 connection with the purchase of any registered  investment
     management company;

(5)  in whole or in part, in connection with systematic withdrawals;

(6)  in connection with  participation  in the Merrill Lynch Small Market 401(k)
     Program.

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

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  and,  if  applicable,  any  sales  charge),  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 Seligman  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  charges,  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.



                                       22
<PAGE>



Fund Reorganizations

Class A shares may be issued without an initial sales charge in connection  with
the acquisition of cash and securities owned by other investment companies.  Any
CDSC will be waived in connection  with the  redemption of shares of the Fund if
the Fund is combined with another  Seligman mutual fund, or in connection with a
similar reorganization transaction.

Offering Price

When you buy or sell fund shares, you do so at the Class's net asset value (NAV)
next calculated  after Seligman  Advisors  accepts your request.  Any applicable
sales charge will be added to the purchase price for Class A shares.

NAV per share of each class of the Fund is determined as of the close of regular
trading on the New York Stock Exchange  (normally,  4:00 p.m.  Eastern time), on
each day that the NYSE is open for business. 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  NAV for  each  class  on each  day in  which  there  is a
sufficient degree of trading in the Fund's portfolio  securities that the NAV of
Fund shares might be materially affected.  NAV per share for a class is computed
by dividing such class's 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 management  fee,
are accrued daily and taken into account for the purpose of determining NAV. The
NAV of Class B and Class D shares will  generally be lower than the NAV of Class
A shares as a result of the higher 12b-1 fees with respect to such shares.

Portfolio  securities  are  valued  at the last  sale  price  on the  securities
exchange or  securities  market on which such  securities  primarily are traded.
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.  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 by
primary  market makers in such  securities.  Any  securities or other assets for
which recent  market  quotations  are not readily  available  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 investment  management fee, are accrued daily and taken
into account for the purpose of determining the net asset value of Fund shares.

Generally,  trading in foreign securities,  as well as US Government securities,
money market instruments and repurchase agreements,  is substantially  completed
each day at  various  times  prior to the close of 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 the NYSE.

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 US dollars at the mean  between the bid and offer prices of such
currencies  against  US  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.



                                       23
<PAGE>



Specimen Price Make-Up

Under  the  current  distribution  arrangements  between  the Fund and  Seligman
Advisors,  Class A shares are sold with a maximum  initial sales charge of 4.75%
and Class B and Class D shares are sold at NAV(1).  Using  each  Class's  NAV at
December  31,  1998,  the  maximum  offering  price of the  Fund's  shares is as
follows:

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

     Maximum sales charge (4.75% of offering price)............       $

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

Class B
     Net asset value and offering price per share(1) ..........       $

Class D
     Net asset value and offering price per share(1) ..........       $

- --------------
(1)  Class B shares are  subject to a CDSC  declining  from 5% in the first year
     after purchase to 0% after six years.  Class D shares are subject to a CDSC
     of 1% on redemptions within one year of purchase.

Redemption in Kind

The  procedures  for selling 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.  Under  these
circumstances, redemption proceeds may be made in securities. If payment is made
in securities,  a shareholder may incur brokerage  expenses in converting  these
securities to cash.

                              Taxation of the Fund

The Fund is  qualified  and  intends  to  continue  to  qualify  as a  regulated
investment  company under  Subchapter M of the Internal  Revenue 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 gains (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 the shares  have been held by a  shareholder.  Such  distributions  are not
eligible for the dividends received deduction allowed to corporate 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 generally will be
subject to federal tax on  distributions  of net capital gains at a maximum rate
of 20% if designated as derived from the Fund's capital gains from property held
for more than one year.



                                       24
<PAGE>



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 gains at a maximum rate of
20% in  respect of shares  held for more than one year.  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  (including  shares
acquired  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  charge
incurred in acquiring such shares to the extent of any  subsequent  reduction of
the sales charge by reason of the Exchange or Reinstatement Privilege offered by
the Fund. Any sales charge 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
shareholder  on a  basis  such  that  such  income  or gain  is not  taxable  to
shareholders  in the  calendar  year  in  which  it  was  earned  by  the  Fund.
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 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 US  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.

                                  Underwriters

Distribution of Securities

The Fund and Seligman  Advisors are parties to a  Distributing  Agreement  dated
January 1, 1993 under which  Seligman  Advisors acts as the exclusive  agent for
distribution  of shares of the Fund.  Seligman  Advisors  accepts orders for the
purchase of Fund shares, which are offered continuously.  As general distributor
of the Fund's common stock, Seligman Advisors allows reallowances to all dealers
on sales of Class A shares,  as set forth  above  under  "Dealer  Reallowances."
Seligman  Advisors  retains the  balance of sales  charges and any CDSCs paid by
investors.



                                       25
<PAGE>



Total sales charges paid by  shareholders  of Class A shares of the Fund for the
years ended  December  31,  1998,  1997 and 1996,  amounted to $ , $312,439  and
$568,667,  respectively,  of which $ , $36,070 and  $65,484,  respectively,  was
retained by Seligman Advisors.

Compensation

Seligman  Advisors,  which is an  affiliated  person  of  Seligman,  which is an
affiliated  person of the Fund,  received the  following  commissions  and other
compensation from the Fund during its fiscal year ended December 31, 1998:

Net Underwriting     Compensation on
  Discounts and      Redemptions and
   Commissions         Repurchases
 (Class A Sales    (CDSC on Class A and         Brokerage         Other
Charge Retained)    Class D Retained)          Commissions     Compensation (1)
- ----------------    ----------------           -----------     ------------

 $                   $                          $               $

(1)  Seligman  Advisors  has sold its  rights to  collect  any CDSC  imposed  on
     redemptions of Class B shares to FEP Capital,  L.P., in connection  with an
     arrangement  with FEP Capital,  L.P. as discussed above under "12b-1 Plan."
     In connection with this  arrangement,  Seligman  Advisors receives payments
     from FEP  Capital,  L.P.  based on the value of Class B shares  sold.  Such
     payments received for the year ended December 31, 1998 are reflected in the
     table.

Other Payments

Seligman  Advisors shall pay  broker/dealers,  from its own resources,  a fee on
purchases of Class A shares of  $1,000,000  or more (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,"  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  purchases  made on  behalf  of any  other  fiduciary  or
individual account.

Seligman Advisors 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" that are attributable to
the particular broker/dealer. The shares eligible for the fee are those on which
an initial sales charge was not paid because either the  participating  eligible
employee benefit plan has at least (1) $500,000  invested in the Seligman mutual
funds or (2) 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.

Seligman  Advisors 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. Seligman Advisors may from time
to time pay a bonus or other  incentive  to  dealers  that  sell  shares  of the
Seligman  mutual  funds.  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 Seligman
Advisors of such  promotional  activities and payments shall be consistent  with
the rules of the National  Association of Securities  Dealers,  Inc., as then in
effect.



                                       26
<PAGE>



                         Calculation of Performance Data

The average annual total returns for the Fund's Class A shares for the one-year,
five-year,  and ten-year periods through  December 31, 1998, were 2.16%,  7.54%,
and 10.41%, respectively. These returns were computed by subtracting the maximum
sales  charge of 4.75% of public  offering  price and  assuming  that all of the
dividends and capital gain distributions paid by the Fund over the relevant time
period were reinvested.  It was then assumed that at the end of each period, the
entire amount was redeemed.  The average annual total return was then calculated
by calculating  the annual rate required for the initial  payment to grow to the
amount which would have been received upon such  redemption  (i.e.,  the average
annual  compound  rate of return).  Table A below  illustrates  the total return
(income and  capital) on Class A shares of the Fund,  assuming  all dividend and
capital gain  distributions are reinvested in additional shares. It shows that a
$1,000 investment in Class A shares, assuming payment of the initial 4.75% sales
charge,  made on December  31,  1988,  had a value of $___ on December 31, 1998,
resulting in an aggregate total return of __%.

The average  annual total returns for the Fund's Class B shares for the one-year
period  ended  December  31,  1998  and for  the  period  from  April  22,  1996
(inception) through December 31, 1998, were 1.45% and 9.12%, respectively. These
returns were computed assuming that all dividends and capital 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 each  period,  the entire
amount was redeemed,  subtracting the applicable  CDSC.  Table B illustrates the
total return  (income and  capital) on Class B shares of the Fund,  assuming all
dividends and capital gain distributions are reinvested in additional shares. It
shows that a $1,000 investment in Class B shares on April 22, 1996 (commencement
of  operations  of Class B shares)  had a value of $___ on  December  31,  1998,
resulting in an aggregate total return of __%.

The average  annual total returns for the Fund's Class D shares for the one-year
and  five-year  periods  ended  December 31, 1998 and for the period from May 3,
1993  (inception)  through  December  31,  1998,  were  5.39%,  7.74% and 8.26%,
respectively. These returns were computed assuming that all of the dividends and
capital  gain  distributions  paid by the Fund's  Class D shares,  if any,  were
reinvested over the relevant time period. It was then assumed that at the end of
each period, the entire amount was redeemed, subtracting for the one year period
the 1% CDSC, if  applicable.  Table C illustrates  the total return  (income and
capital) on Class D shares of the Fund,  assuming all dividends and capital gain
distributions  are  reinvested  in  additional  shares.  It shows  that a $1,000
investment in Class D shares made on May 3, 1993  (commencement of operations of
Class D  shares)  had a value of $___ on  December  31,  1998,  resulting  in an
aggregate total return of __%.

The  results  shown  below  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>
<CAPTION>
                                TABLE A - CLASS A

                   Value of         Value of                          Total Value
  Year             Initial        Capital Gain       Value of             Of                Total
Ended(1)        Investment(2)     Distributions      Dividends       Investment(2)      Return(1)(3)
- --------        -------------     -------------      ---------       -------------      ------------
<S>                 <C>           <C>                <C>             <C>                 <C>
 12/31/89           $
 12/31/90
 12/31/91
 12/31/92
 12/31/93
 12/31/94
 12/31/95
 12/31/96
 12/31/97
 12/31/98
</TABLE>



                                       27
<PAGE>



<TABLE>
<CAPTION>

                                TABLE B - CLASS B

                   Value of         Value of                          Total Value
 Period            Initial        Capital Gain       Value of             Of                Total
Ended(1)        Investment(2)     Distributions      Dividends       Investment(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
 12/31/98                                                                                         %

<CAPTION>

                                TABLE C - CLASS D

                   Value of         Value of                          Total Value
 Period            Initial        Capital Gain       Value of             Of                Total
Ended(1)        Investment(2)     Distributions      Dividends       Investment(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
 12/31/98                                                                                       %
</TABLE>

- -------------------------
1    For the ten-year  period ended  December 31, 1998 for Class A shares,  from
     commencement  of  operations  of Class B shares on April 22,  1996 and from
     commencement of operations of Class D shares on May 3, 1993.

2    The "Value of Initial Investment" as of the date indicated (1) reflects the
     effect of the maximum  initial  sales charge or CDSC,  if  applicable,  (2)
     assumes that all  dividends  and capital gain  distributions  were taken in
     cash,  and (3)  reflects  changes  in the net  asset  value  of the  shares
     purchased  with  the  hypothetical  initial  investment.  "Total  Value  of
     Investment"  (1) reflects the effect of the CDSC,  if  applicable,  and (2)
     assumes investment of all dividends and capital gain distributions.

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  charge  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 CDSC on Class B and 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.

The total returns and average annual total returns of Class A shares quoted from
time to time for periods through December 31, 1992, do not reflect the deduction
of 12b-1 fees,  effective  January 1, 1993. The total returns and average annual
returns of Class A shares quoted from time to time for periods through April 10,
1991, do not reflect the increased  management fee approved by  shareholders  on
April 10, 1991.  The total returns and average annual returns of the Class A and
Class D shares quoted from time to time for periods  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.  These fees,  if reflected,
would reduce the performance quoted.

From time to time,  reference may be made in advertising or promotional material
to performance information,  including mutual fund rankings,  prepared by Lipper
Analytical  Service,  Inc., 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
charges. The Fund may also refer in advertisements 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/WIESENBERGER  MUTUAL  FUNDS  INVESTMENT
REPORT,  CHRISTIAN  SCIENCE  MONITOR,   FINANCIAL  PLANNING,   FINANCIAL  TIMES,
FINANCIAL WORLD,  FORBES,  FORTUNE,  INDIVIDUAL  INVESTOR,



                                       28
<PAGE>



INVESTMENT ADVISOR,  INVESTORS BUSINESS DAILY,  KIPLINGER'S,  LOS ANGELES TIMES,
MONEY MAGAZINE, MORNINGSTAR, INC., PENSION AND INVESTMENTS, SMART MONEY, THE NEW
YORK TIMES,  THE WALL STREET  JOURNAL,  USA TODAY,  U.S.  NEWS AND WORLD REPORT,
WORTH MAGAZINE, WASHINGTON POST AND YOUR MONEY.

The Fund's advertising or promotional  material may make reference to the Fund's
"Beta."  "Standard  Deviation,"  or "Alpha." Beta measures the volatility of the
Fund, as compared to that of the overall market. Standard deviation measures how
widely the Fund's performance has varied from its average performance, and is an
indicator of the Fund's potential for volatility.  Alpha measures the difference
between  the returns of the Fund and the  returns of the  market,  adjusted  for
volatility.

                              Financial Statements

The Annual Report to shareholders  for the year ended December 31, 1998 contains
a schedule of the  investments  of the Fund as of December 31, 1998,  as well as
certain other  financial  information as of that date. The financial  statements
and notes included in the Annual Report,  and the Independent  Auditors'  Report
thereon,  are  incorporated  herein by  reference.  The  Annual  Report  will be
furnished without charge to investors who request copies of this SAI.

                               General Information

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.  ____________,independent  auditors, have been selected as auditors of
the Fund. Their address is Two World Financial Center, New York, NY 10281.



                                       29
<PAGE>



                                   Appendix A

MOODY'S INVESTORS SERVICE, INC. (MOODY'S)
DEBT SECURITIES

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 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 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 in 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 sometime in the future.

Baa: Bonds 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 lack outstanding  investment  characteristics  and in
fact may have speculative characteristics as well.

Ba:  Bonds  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 thereby not well  safeguarded
during  other  good and bad  times  over the  future.  Uncertainty  of  position
characterizes bonds in this class.

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

Moody's  applies  numerical  modifiers  (1,  2 and  3) in  each  generic  rating
classification  from Aa  through B in its  corporate  bond  rating  system.  The
modifier 1 indicates  that the  security  ranks in the higher end of its generic
rating  category;  modifier 2  indicates  a mid-range  ranking;  and  modifier 3
indicates that the issuer ranks in the lower end of its generic rating category.



                                       30
<PAGE>



COMMERCIAL PAPER

Moody's Commercial Paper Ratings are opinions of the ability of issuers to repay
punctually promissory senior debt obligations not having an original maturity in
excess of one year.  Issuers  rated  "Prime-1"  or "P-1"  indicates  the highest
quality repayment ability of the rated issue.

The  designation  "Prime-2"  or "P-2"  indicates  that the  issuer  has a strong
ability for  repayment of senior  short-term  promissory  obligations.  Earnings
trends and  coverage  ratios,  while sound,  may be more  subject to  variation.
Capitalization characteristics, while still appropriate, may be more affected by
external conditions. Ample alternative liquidity is maintained.

The  designation  "Prime-3" or "P-3" indicates that the issuer has an acceptable
capacity  for  repayment of  short-term  promissory  obligations.  The effect of
industry  characteristics  and  market  compositions  may  be  more  pronounced.
Variability in earnings and  profitability may result in changes in the level of
debt protection measurements and may require relatively high Financial leverage.
Adequate alternate liquidity is maintained.

Issues rated "Not Prime" do not fall within any of the Prime rating categories.

STANDARD & POOR'S RATING SERVICE ("S&P")
DEBT SECURITIES

AAA:  Debt  issues  rated AAA are  highest  grade  obligations.  Capacity to pay
interest and repay principal is extremely strong.

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

A: Debt issues rated A are regarded as upper  medium  grade.  They have a strong
capacity to pay  interest  and repay  principal  although  it is  somewhat  more
susceptible  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 an adequate  capacity to pay
interest and re-pay 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 re-pay  principal for
bonds in this category than for bonds in higher rated categories.

BB, B, CCC, CC: Debt issues rated BB, B, CCC and CC are regarded on balance,  as
predominantly  speculative  with respect to capacity to pay interest and pre-pay
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 exposure 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.

COMMERCIAL PAPER

S&P Commercial Paper ratings are current assessments of the likelihood of timely
payment of debts having an original maturity of no more than 365 days.



                                       31
<PAGE>



A-1: The A-1 designation  indicates that the degree of safety  regarding  timely
payment is very strong.

A-2:   Capacity  for  timely   payment  on  issues  with  this   designation  is
satisfactory.  However,  the  relative  degree  of  safety is not as high as for
issues designated "A-1."

A-3: Issues carrying this designation have adequate capacity for timely payment.
They  are,  however  more  vulnerable  to the  adverse  effects  of  changes  in
circumstances than obligations carrying the higher designations.

B:  Issues  rated "B" are  regarded as having only a  speculative  capacity  for
timely payment.

C: This  rating is  assigned  to  short-term  debt  obligations  with a doubtful
capacity of payment.

D: Debt rated "D" is in payment default.

The ratings  assigned  by S&P may be  modified by the  addition of a plus (+) or
minus (-) sign to show relative standing within its major rating categories.



                                       32
<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 successful  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 $2 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.


                                       33
<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 J. & W. Seligman Trust Company and J. & W. Seligman  Valuations
     Corporation.

o    Establishes  Seligman  Portfolios,  Inc.,  an  investment  vehicle  offered
     through variable annuity products.

 ...1990s

o    Introduces  Seligman  Select  Municipal  Fund,  Inc. and  Seligman  Quality
     Municipal  Fund,  Inc.  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 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.




                                       34


<PAGE>

                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION

Item 23.  Exhibits.

   
     All Exhibits have been  previously  filed,  except  Exhibits marked with an
asterisk (*) which will be filed by amendment.
    

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

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

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

(c)(1)    Specimen Stock Certificate of Class D Capital Stock.  (Incorporated by
          reference to  Registrant's  Post-Effective  Amendment  No. 70 filed on
          April 23, 1993.)

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

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

(e)(1)    Copy of  Amended  Sales  Agreement  between  Registrant  and  Seligman
          Advisors,   Inc.  (formerly,   Seligman  Financial  Services,   Inc.).
          (Incorporated  by reference to Registrant's  Post-Effective  Amendment
          No. 73 filed on April 19, 1996.)

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

(e)(3)    Form of Sales Agreement  between Seligman  Advisors,  Inc.  (formerly,
          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,  to
          Registrant's Post-Effective Amendment No. 53 filed on April 28, 1997.)

(e)(4)    Form of Dealer Agreement between Seligman  Advisors,  Inc.  (formerly,
          Seligman Financial Services, Inc.) and Smith Barney Inc. (Incorporated
          by reference to Exhibit 6d of Registration  Statement No. 2-33566,  to
          Registrant's  Post-Effective  Amendment  No.  53,  filed on April  28,
          1997.)
    

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

(f)(1)    Deferred Compensation Plan for Directors of Seligman Income Fund, Inc.
          (Incorporated  by reference to Registrant's  Post-Effective  Amendment
          No. 75, filed on April 29, 1998.)

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

(h)       Not applicable.



<PAGE>


                                                                File No. 2-10837
                                                                         811-525

PART C. OTHER INFORMATION (continued)

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

   
(j)       *Consent of Independent Auditors.
    

(k)       Not applicable.

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

(l)(1)    Purchase  Agreement  (Investment  Letter) 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 on April 29, 1997.)

(m)       Form of Administration,  Shareholder Services and Distribution Plan of
          Registrant.  (Incorporated by reference to Registrant's Post-Effective
          Amendment No. 73 filed on April 19, 1996.)

   
(m)(1)    Form  of   Administration,   Shareholder   Services  and  Distribution
          Agreement  between  Seligman  Advisors,   Inc.   (formerly,   Seligman
          Financial Services,  Inc.) and Dealers.  (Incorporated by reference to
          Registrant's Post-Effective Amendment No. 73 filed on April 19, 1996.)

(n)       *Financial Data Schedules.
    

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

   
Other Exhibits:     Power of Attorney for Richard R. Schmaltz.  (Incorporated by
                    reference to  Registrant's  Post-Effective  Amendment No. 75
                    filed on April 29, 1998.)

                    Powers  of   Attorney.   (Incorporated   by   reference   to
                    Registrant's  Post-Effective  Amendment No.74 filed on April
                    29, 1997.)
    

 Item 24. 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 25. 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.


<PAGE>


                                                                File No. 2-10837
                                                                         811-525

PART C. OTHER INFORMATION (continued)

Item 26.  Business and Other Connections of Investment Adviser. J. & W. Seligman
          & Co.  Incorporated,  a  Delaware  corporation,  ("Manager"),  is  the
          Registrant's investment manager. 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 25, 1998.

Item 27.  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.




<PAGE>


                                                                File No. 2-10837
                                                                         811-525

PART C.  OTHER INFORMATION (continued)

     (b)  Name  of  each   director,   officer  or  partner  of  each  principal
          underwriter named in the answer to Item 20:

   
                             Seligman Advisors, Inc.
                             As of January 31, 1999
    

<TABLE>
<CAPTION>
        (1)                                           (2)                                         (3)
Name and Principal                            Positions and Offices                       Positions and Offices
 Business Address                             with Underwriter                            with Registrant
 ----------------                             ----------------                            ---------------
<S>                                           <C>                                         <C>
William C. Morris*                            Director                                    Chairman of the Board and Chief Executive
                                                                                          Officer

Brian T. Zino*                                Director                                    President and Director

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 and Director                      None

Charles W. Kadlec*                            Chief Investment Strategist                 None

Lawrence P. Vogel*                            Senior Vice President, Finance              Vice President

   
Edward F. Lynch*                              Senior Vice President, National             None
                                              Sales Director
    

James R. Besher                               Senior Vice President, Divisional           None
14000 Margaux Lane                            Sales Director
Town & Country, MO  63017

Gerald I. Cetrulo, III                        Senior Vice President, Sales                None
140 West Parkway
Pompton Plains, NJ  07444

Jonathan G. Evans                             Senior Vice President, Sales                None
222 Fairmont Way
Ft. Lauderdale, FL  33326

T. Wayne Knowles                              Senior Vice President,                      None
104 Morninghills Court                        Divisional Sales Director
Cary, NC  27511

Joseph Lam                                    Senior Vice President, Regional             None
Seligman International Inc.                   Director, Asia
Suite 1133, Central Building
One Pedder Street
Central Hong Kong

Bradley W. Larson                             Senior Vice President, Sales                None
367 Bryan Drive
Alamo, CA  94526

Richard M. Potocki                            Senior Vice President, Regional             None
Seligman International UK Limited             Director, Europe and the Middle East
Berkeley Square House 2nd Floor
Berkeley Square
London, United Kingdom W1X 6EA

Bruce M. Tuckey                               Senior Vice President, Sales                None
41644 Chathman Drive
Novi, MI  48375
</TABLE>


<PAGE>


                                                                File No. 2-10837
                                                                         811-525

PART C.    OTHER INFORMATION (continued)

   
                             Seligman Advisors, Inc.
                             As of January 31, 1999
    

<TABLE>
<CAPTION>
        (1)                                           (2)                                         (3)
Name and Principal                            Positions and Offices                       Positions and Offices
 Business Address                             with Underwriter                            with Registrant
 ----------------                             ----------------                            ---------------
<S>                                           <C>                                         <C>
Andrew S. Veasey                              Senior Vice President, Sales                None
14 Woodside
Rumson, NJ  07760

J. Brereton Young*                            Senior Vice President, National             None
                                              Accounts Manager

Peter J. Campagna                             Vice President, Regional Retirement         None
1130 Green Meadow Court                       Plans Manager
Acworth, GA  30102

   
Matthew A. Digan*                             Senior Vice President, Director of          None
                                              Mutual Fund Marketing
    

Mason S. Flinn                                Vice President, Regional Retirement         None
159 Varennes                                  Plans Manager
San Francisco, CA  94133

   
Robert T. Hausler*                            Senior Vice President, Senior               None
                                              Portfolio Specialist
    

Marsha E. Jacoby*                             Vice President, Offshore Business           None
                                              Manager

William W. Johnson*                           Vice President, Order Desk                  None

   
Michelle L. McCann (Rappa)*                   Senior Vice President, Director of          None
                                              Retirement Plans

Scott H. Novak*                               Senior Vice President, Insurance            None
    

Ronald W. Pond*                               Vice President, Portfolio Advisor           None

   
Tracy A. Salomon*                             Vice President, Retirement Marketing        None
    

Michael R. Sanders*                           Vice President, Product Manager             None
                                              Managed Money Services

Helen Simon*                                  Vice President, Sales                       None
                                              Administration Manager

Gary A. Terpening*                            Vice President, Director of Business        None
                                              Development

   
Charles L. von Breitenbach, II*               Senior Vice President, Director of          None
                                              Managed Money Services
    

Joan M. O'Connell                             Vice President, Regional Retirement         None
3707 5th Avenue #136                          Plans Manager
San Diego, CA  92103

Charles E. Wenzel                             Vice President, Regional Retirement         None
703 Greenwood Road                            Plans Manager
Wilmington, DE  19807

   
Jeffery C. Pleet*                             Vice President, Regional Retirement         None
                                              Plans Manager
    

Richard B. Callaghan                          Regional Vice President                     None
7821 Dakota Lane
Orland Park, IL  60462

Bradford C. Davis                             Regional Vice President                     None
255 4th Avenue, #2
Kirkland, WA  98033

Christopher J. Derry                          Regional Vice President                     None
2380 Mt. Lebanon Church Road
Alvaton, KY  42122
</TABLE>


<PAGE>


                                                                File No. 2-10837
                                                                         811-525

PART C.    OTHER INFORMATION (continued)

   
                             Seligman Advisors, Inc.
                             As of January 31, 1999
    

<TABLE>
<CAPTION>
        (1)                                           (2)                                         (3)
Name and Principal                            Positions and Offices                       Positions and Offices
 Business Address                             with Underwriter                            with Registrant
 ----------------                             ----------------                            ---------------
<S>                                           <C>                                         <C>
Kenneth Dougherty                             Regional Vice President                     None
8640 Finlarig Drive
Dublin, OH  43017

Edward S. Finocchiaro                         Regional Vice President                     None
120 Screenhouse Lane
Duxbury, MA  02332

Michael C. Forgea                             Regional Vice President                     None
32 W. Anapamu Street # 186
Santa Barbara, CA  93101

David L. Gardner                              Regional Vice President                     None
2504 Clublake Trail
McKinney, TX  75070

Carla A. Goehring                             Regional Vice President                     None
11426 Long Pine
Houston, TX  77077

Michael K. Lewallen                           Regional Vice President                     None
908 Tulip Poplar Lane
Birmingham, AL  35244

Judith L. Lyon                                Regional Vice President                     None
163 Haynes Bridge Road, Ste 205
Alpharetta, CA  30201

Stephen A. Mikez                              Regional Vice President                     None
11786 E. Charter Oak
Scottsdale, AZ  85259

Tim O'Connell                                 Regional Vice President                     None
14872 Summerbreeze Way
San Diego, CA  92128

Thomas Parnell                                Regional Vice President                     None
5250 Greystone Drive  #107
Inver Grove Heights, MN  55077
       

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

   
Craig Prichard                                Regional Vice President                     None
300 Spyglass Drive
Fairlawn, OH  44333

Steve Wilson                                  Regional Vice President                     None
83 Kaydeross Park Road
Saratoga Springs, NY  12866

Eugene P. Sullivan                            Regional Vice President                     None
8 Charles Street, Apt. 603
Baltimore, MD  21201
    

</TABLE>


<PAGE>


                                                                File No. 2-10837
                                                                         811-525

PART C.    OTHER INFORMATION (continued)

   
                             Seligman Advisors, Inc.
                             As of January 31, 1999
    

<TABLE>
<CAPTION>
        (1)                                           (2)                                         (3)
Name and Principal                            Positions and Offices                       Positions and Offices
 Business Address                             with Underwriter                            with Registrant
 ----------------                             ----------------                            ---------------
<S>                                           <C>                                         <C>
Kelli A. Wirth Dumser                         Regional Vice President                     None
8618 Hornwood Court
Charlotte, NC  28215

Frank J. Nasta*                               Secretary                                   Secretary

Aurelia Lacsamana*                            Treasurer                                   None

   
Jeffrey S. Dean*                              Vice President, Business Analyst            None
    

Sandra G. Floris*                             Assistant Vice President, Order Desk        None

Keith Landry*                                 Assistant Vice President, Order Desk        None

Gail S. Cushing*                              Assistant Vice President, National          None
                                              Accounts Manager

Albert A. Pisano*                             Assistant Vice President and                None
                                              Compliance Officer

Jack Talvy*                                   Assistant Vice President, Internal          None
                                              Marketing Services Manager

   
Joyce Peress*                                 Assistant Secretary                         Assistant Secretary
    
</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 28.  Location of Accounts and Records.  The  accounts,  books and documents
          required to be maintained by Section 31(a) of the  Investment  Company
          Act of 1940  and the  Rules  promulgated  thereunder  are  kept in the
          possession  of J. & W. Seligman & Co.  Incorporated  at its offices at
          100 ParkAvenue, New York, NY 10017 or at the following locations:

     (1)  Investors  Fiduciary  Trust Company,  801  Pennsylvania,  Kansas City,
          Missouri 64105 is custodian of the  Registrant's  cash and securities.
          It is also  agent to perform  certain  accounting  and  record-keeping
          functions relating to portfolio  transactions and to calculate the net
          asset value of the Registrant; and,

     (2)  Seligman  Data  Corp.,  100  Park  Avenue,  New  York,  NY  10017,  as
          shareholder  servicing agent,  maintains  shareholder  records for the
          Registrant.
    

Item 29.  Management Services.  Not Applicable.

Item 30.  Undertakings.  The Registrant undertakes to: (1) 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 10% 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  has  duly  caused  this
Post-Effective  Amendment No. 76 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 24th day of February, 1999.



                                            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. 76 has been
signed below by the following  persons in the  capacities  indicated on February
24, 1999.


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

/s/  Brian T. Zino                    Chairman of the Board (Principal executive
- -------------------------------       officer) and Director
      William C. Morris*       


/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      )
    



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