LORD ABBETT BOND DEBENTURE FUND INC
485BPOS, 1999-04-30
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<PAGE>


                                                       1940 Act File No.811-2145
                                                       1933 Act File No.2-38910

                        SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

           REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 [X]

                         Pre-Effective Amendment No.               [ ]

                       Post-Effective Amendment No.49              [X]

                                     and/or

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

                       Post-Effective Amendment No.29              [X]

                      LORD ABBETT BOND-DEBENTURE FUND, INC.
                ------------------------------------------------
                Exact Name of Registrant as Specified in Charter

                  767 FIFTH AVENUE, NEW YORK, N. Y. 10153-0203
                  --------------------------------------------
                      Address of Principal Executive Office

                  Registrant's Telephone Number (212) 848-1800

                       Lawrence H. Kaplan, Vice President
                     767 FIFTH AVENUE, NEW YORK, N. Y. 10153
                     ---------------------------------------
                     (Name and Address of Agent for Service)

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

____  immediately on filing pursuant to paragraph (b)

  X   on April 30, 1999 pursuant to paragraph (b)
- ----
____  60 days after filing pursuant to paragraph (a)(1)

____  on (date) pursuant to paragraph (a)(1)

____  75 days after filing pursuant to paragraph (a)(2)

____  on (date) pursuant to paragraph (a)(2) of Rule 485

If appropriate, check the following box:

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




<PAGE>


LORD ABBETT

Bond-Debenture Fund

PROSPECTUS

May 1, 1999

[LOGO]

As with all mutual funds, the Securities and Exchange Commission does not
guarantee that the information in this prospectus is accurate or complete, and
it has not judged this fund for its investment merit. It is a criminal offense
to state otherwise.



<PAGE>



                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                    The Fund
                                                                            Page
<S>                         <C>                                             <C>
 What you should know       Goal/Strategy                                    2
      about the fund        Main Risks                                       2
                            Past Performance                                 3
                            Fees and Expenses                                4


                                 Your Investment

Information for managing    Purchases                                        5 
       your fund account    Opening Your Account                             7 
                            Redemptions                                      8 
                            Distributions and Taxes                          8 
                            Services For Fund Investors                      9 
                            Sales Charges and Service Fees                  10 
                            Management                                      11 


                              For More Information

       How to learn more    Other Investment Techniques                     12  
          about the fund    Glossary of Shaded Terms                        12  
                            Recent Performance                              14  


                              Financial Information

                            Financial Highlights                            15
                            Compensation For Your Dealer                    17


  How to learn more about   Back Cover
      the fund and other
       Lord Abbett funds

</TABLE>










<PAGE>


                                    The Fund

GOAL / STRATEGY

    The fund seeks high current income and the opportunity for capital
    appreciation to produce a high total return. We believe that a high total
    return (current income and capital appreciation) may be derived from an
    actively managed, diversified security portfolio. Normally, we invest at
    least 65% of our total assets in bonds (secured obligations) and debentures
    (generally unsecured obligations). We seek unusual values, using
    fundamental, bottom-up research to identify undervalued securities.

    We invest principally in lower-rated debt securities, securities convertible
    into common stock, preferred stocks and bonds and investment grade debt. At
    least 20% of the portfolio must be invested in investment grade debt, or
    U.S. government securities. In addition, the fund may invest up to 20% of
    its assets in foreign securities. In recent years, the fund has found good
    value in lower-rated, higher yielding debt securities and has invested more
    than half its assets in those securities.

    While typically fully invested, we may take a temporary defensive position
    in cash and short-term debt securities. This could prevent the fund from
    realizing its investment objective.

MAIN RISKS
    The fund faces interest rate risk, credit risk, and currency risk.

    As with other bond funds, the value of your investment may change as
    interest rates fluctuate, due to interest rate risk. This is because often
    the prices of fixed-income securities rise when interest rates fall and fall
    when interest rates rise. Longer-term bonds are usually more sensitive to
    interest rate changes. Put another way, the longer the maturity of a bond or
    other debt security, the greater the effect a change in interest rates is
    likely to have on the instrument's price. The fund tends to own securities
    with longer maturities, so it may face more interest rate risk than some
    fixed income funds.

    Lower-rated debt securities involve greater credit risks than do investment
    grade bonds. Companies that issue high yield debt securities are not as
    strong financially as those with higher credit ratings and may default on
    principal or interest payments. Through portfolio diversification, good
    credit analysis and attention to current developments and trends in interest
    rates and economic conditions, we attempt to reduce investment risk, but
    losses may occur. In addition, we attempt to reduce investment risk by
    investing at least 20% of our assets in a combination of investment grade
    debt securities, U.S. government securities, and cash equivalents.

    Finally, because it may invest up to 20% of its assets in foreign
    securities, the fund faces the risk that unfavorable changes in currency
    exchange rates could reduce its share price. 

    An investment in the fund is not a bank deposit. It is not FDIC-insured or
    government-endorsed. It is not a complete investment program. You could lose
    money in this fund.


WE OR THE FUND refers to the Lord Abbett Bond-Debenture Fund, Inc. (the
"company"), which operates under the supervision of the company's Board with the
advice of Lord, Abbett & Co.("Lord Abbett"), its investment manager.

ABOUT THE FUND. The fund is a professionally managed portfolio primarily holding
securities purchased with the pooled money of investors. It strives to reach its
stated goal, although as with all funds, it cannot guarantee results.

INVESTMENT GRADE DEBT SECURITIES are, at the time of purchase, rated in one of
the four highest grades determined either by Moody's Investors Service, Inc. or
Standard & Poor's Ratings Services, or determined by Lord Abbett to be
equivalent in quality.

U.S. GOVERNMENT SECURITIES are obligations issued or guaranteed by the U.S.
Government, its agencies or instrumentalities.

HIGH YIELD DEBT SECURITIES, commonly known as "junk bonds" typically pay a
higher yield than investment grade debt securities. These bonds have a higher
risk of default than investment grade bonds and their prices can be much more
volatile.

FOREIGN SECURITIES are securities primarily traded in countries outside the
United States. These securities are not subject to the same degree of regulation
and may be more volatile and less liquid than securities traded in major U.S.
markets. Other considerations include political and social instability,
expropriations, higher transaction costs, currency fluctuations, nondeductible
withholding taxes and different settlement practices. 

You should read this entire prospectus, including "Other Investment Techniques,"
which concisely describes the other investment strategies, and their risks, used
by the fund.

2 The Fund





<PAGE>

BOND-DEBENTURE FUND                                   Symbols:  Class A - LBNDX 
                                                                Class B - LBNBX 
                                                                Class C - BDLAX 

PAST PERFORMANCE
    The information below provides some indication of the risks of investing in
    the fund by showing changes in the fund's class A shares' performance from
    calendar year to calendar year and by showing how the fund's average annual
    returns compare with those of a broad measure of market performance . Past
    performance is not a prediction of future results.


1988 13.8%
1989 5.1%
1990 -7.8%
1991 38.3%
1992 16.0%
1993 16.0%
1994 -3.9%
1995 17.5%
1996 11.2%
1997 12.7%
1998 4.8%

                                    [GRAPHIC]
- --------------------------------------------------------------------------------
      BEST QUARTER: 1ST Q '91 13.85%    WORST QUARTER: 3RD Q '90 -8.24%


The table below shows a comparison of the fund's class A, B and C average annual
total return to that of the Salomon Brothers Broad Investment High-Grade Index
("SBBIHGI") and the First Boston High-Yield Index ("FBHYI"). Fund returns assume
reinvestment of all dividends and distributions and payment of the maximum 
applicable front-end or deferred sales charge. All periods end on December 31, 
1998.

<TABLE>
<CAPTION>
CLASS         1 YEAR     5 YEARS    10 YEARS   SINCE INCEPTION(i)    SBBIHGI(ii)     FBHYI(ii)
<S>           <C>         <C>         <C>           <C>                 <C>             <C>
A             (0.20)%     7.13%       9.82%         9.94%               --              --  
- -----------------------------------------------------------------------------------------------
B             (0.86)%       --         --           8.19%            10.01%(iii)     8.25%(iii)
- -----------------------------------------------------------------------------------------------
C              3.01%        --         --           9.69%             9.59%(iv)      8.44% (iv)
- -----------------------------------------------------------------------------------------------
SBBIHGI        8.72%      7.30%       9.31%          --                  --             --
- -----------------------------------------------------------------------------------------------
FBHYI          0.57%      8.16%      10.74%          --                  --             --
- -----------------------------------------------------------------------------------------------


</TABLE>

  (i)  The date of inception for each class is: A - 4/1/71; B - 8/1/96; and C -
       7/15/96.
 (ii)  Performance for the unmanaged Salomon Brothers Broad Investment
       High-Grade Index and First Boston High-Yield Index do not reflect 
       transaction costs or management fees.
(iii)  Represents total returns for the period 8/31/96 to 12/31/98, to 
       correspond with class B inception date.
 (iv)  Represents total returns for the period 7/31/96 to 12/31/98, to
       correspond with class C inception date.

                                                                      The Fund 3






<PAGE>

BOND-DEBENTURE FUND                                   Symbols:  Class A - LBNDX 
                                                                Class B - LBNBX 
                                                                Class C - BDLAX 


FEES AND EXPENSES
    This table describes the fees and expenses that you may pay if you buy and
    hold shares of the fund.

- --------------------------------------------------------------------------------
Fee table
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                        CLASS A    CLASS B    CLASS C    CLASS P
<S>                                       <C>       <C>        <C>         <C> 
SHAREHOLDER FEES (Fees paid directly
from your investment)
- --------------------------------------------------------------------------------
Maximum Sales Charge on Purchases
- --------------------------------------------------------------------------------
(as a % of offering price)                4.75%     none       none       none
- --------------------------------------------------------------------------------
Maximum Deferred Sales Charge
See "Purchases")                           none     5.00%(1)   1.00%      none
- --------------------------------------------------------------------------------
ANNUAL FUND OPERATING EXPENSES (Expenses deducted from fund assets) (as a % of
average net assets)(2)
- --------------------------------------------------------------------------------
Management Fees (See "Management")        0.46%    0.46%     0.46%      0.46%
- --------------------------------------------------------------------------------
Distribution and Service (12b-1) Fees(3)  0.35%    1.00%     1.00%      0.45%
- --------------------------------------------------------------------------------
Other Expenses                            0.14%    0.14%     0.14%      0.14%
- --------------------------------------------------------------------------------
Total Operating Expenses                  0.95%    1.60%     1.60%      1.05%
- --------------------------------------------------------------------------------
</TABLE>

- --------------------------------------------------------------------------------
Expense example
- --------------------------------------------------------------------------------

This example, like that in other funds' prospectuses, assumes a $10,000 initial
investment at maximum sales charge, if any, 5% total return each year and no
changes in expenses. You pay the following expenses over the course of each
period shown if you sell your shares at the end of the period, although your
actual cost may be higher or lower. The expenses include any applicable
contingent deferred sales charges.

<TABLE>
<CAPTION>

SHARE CLASS             1 YEAR            3 YEARS        5 YEARS        10 YEARS
<S>                     <C>               <C>            <C>            <C>     
Class A shares           $567               $763           $976          $1,588
- --------------------------------------------------------------------------------
Class B shares           $663               $805         $1,071          $1,728
- --------------------------------------------------------------------------------
Class C shares           $263               $505           $871          $1,902
- --------------------------------------------------------------------------------
Class P shares           $107               $334           $579          $1,285
- --------------------------------------------------------------------------------
</TABLE>

You would pay the following expenses on the same investment, assuming you kept
your shares.

<TABLE>

<S>                      <C>                <C>            <C>           <C>   
Class A shares           $567               $763           $976          $1,588
- --------------------------------------------------------------------------------
Class B shares           $163               $505           $871          $1,728
- --------------------------------------------------------------------------------
Class C shares           $163               $505           $871          $1,902
- --------------------------------------------------------------------------------
Class P shares           $107               $334           $579          $1,285
- --------------------------------------------------------------------------------
</TABLE>

This example is for comparison and is not a representation of the fund's actual
expenses or returns, either past or present.

MANAGEMENT FEES are payable to Lord Abbett for the fund's invest-ment
management.

12B-1 FEES refer to fees incurred for activities that are primarily intended to
result in the sale of fund shares and service fees for shareholder account
service and maintenance.

OTHER EXPENSES include fees paid for miscellaneous items such as shareholder
service and professional fees.


- --------------------------------------------------------------------------------
(1) Class B shares will convert to class A shares on the eighth anniversary of
    your original purchase of class B shares.
(2) The annual operating expenses have been restated from fiscal year amounts to
    reflect current fees.
(3) Because 12b-1 distribution fees are paid out on an ongoing basis, over time
    they will increase the cost of your investment and may cost you more than
    paying other types of sales charges.


4 The Fund





<PAGE>

                              YOUR INVESTMENT

PURCHASES
    This prospectus offers four classes of shares, Class A, B, C and P. Although
    the fund has more than one class of shares, these different classes of
    shares represent investments in the same portfolio of securities but are
    subject to different expenses. Our shares are continuously offered. The
    offering price is based on the Net Asset Value ("NAV") per share next
    determined after we receive your purchase order submitted in proper form. A
    front-end sales charge is added to the NAV, in the case of the class A
    shares. There is no front-end sales charge, although there is a Contingent
    Deferred Sales Charge in the case of the class B and C shares, as described
    below.

    You should read this section carefully to determine which class of shares
    represents the best investment option for your particular situation. It may
    not be suitable for you to place a purchase order for class B shares of
    $500,000 or more or a purchase order for class C shares of $1,000,000 or
    more. You should discuss pricing options with your investment professional.

    FOR MORE INFROMATION, SEE "ALTERNATIVE SALES ARRANGEMENTS" IN THE STATEMENT
    OF ADDITIONAL INFORMATION.

    We reserve the right to withdraw all or any part of the offering made by
    this prospectus or to reject any purchase order. We also reserve the right
    to waive or change minimum investment requirements. All purchase orders are
    subject to our acceptance and are not binding until confirmed or accepted in
    writing.

- --------------------------------------------------------------------------------
Front-End Sales Charges - Class A Shares
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                   TO COMPUTE   
                                  AS A % OF        AS A % OF     OFFERING PRICE 
YOUR INVESTMENT                OFFERING PRICE   YOUR INVESTMENT   DIVIDE NAV BY 
- --------------------------------------------------------------------------------
<S>                             <C>               <C>             <C>
Less than $50,000                   4.75%             4.99%             .9525
- -------------------------------------------------------------------------------
$50,000 to $99,999                  4.75%             4.99%             .9525
- --------------------------------------------------------------------------------
$100,000 to $249,999                3.75%             3.90%             .9625
- --------------------------------------------------------------------------------
$250,000 to $499,999                2.75%             2.83%             .9725
- --------------------------------------------------------------------------------
$500,000 to $999,999                2.00%             2.04%             .9800
- --------------------------------------------------------------------------------
$1,000,000 and over                 No Sales Charge                    1.0000
- --------------------------------------------------------------------------------
</TABLE>
                               
    REDUCING YOUR CLASS A FRONT-END SALES CHARGES. Class A shares may be
    purchased at a discount if you qualify under either of the following
    conditions:
     
      RIGHTS OF ACCUMULATION -- A Purchaser can apply the value (at public
      offering price) of the shares you already own to a new purchase of class A
      shares of any Eligible Fund in order to reduce the sales charge.

      STATEMENT OF INTENTION -- A Purchaser of class A shares can purchase
      additional shares of any Eligible Fund over a 13-month period and receive
      the same sales charge as if you had purchased all shares at once. Shares
      purchased through reinvestment of dividends or distributions are not
      included. A statement of intention can be backdated 90 days. Current
      holdings under rights of accumulation can be included in a statement of
      intention.

    FOR MORE INFORMATION ON ELIGIBILITY FOR THESE PRIVILEGES, READ THE
    APPLICABLE SECTIONS IN THE ATTACHED APPLICATION.



NAV per share for each class of fund shares is calculated each business day at
the close of regular trading on the New York Stock Exchange ("NYSE"). The fund
is open on those business days when the NYSE is open. Purchases and sales of
fund shares are executed at the NAV next determined after the fund receives your
order. In calculating NAV, securities for which market quotations are available
are valued at those quotations. Securities for which such quotations are not
available are valued at fair value under procedures approved by the Board.

Share classes

CLASS A
  normally offered with a front-end sales charge

CLASS B
  no front-end sales charge, how-ever, a contingent deferred sales charge is
  applied to shares sold prior to the sixth anniversary of purchase
  higher annual expenses than class A shares
  automatically convert to class A sharesafter eight years

CLASS C
  no front-end sales charge
  higher annual expenses than class A shares 
  a contingent deferred sales charge is applied to shares sold prior to the
  first anniversary of purchase

 CLASS P
  available to certain pension or retirement plans and pursuant to a Mutual
  Fund Advisory Program

                                                               Your Investment 5





<PAGE>

    CLASS A SHARE PURCHASES WITHOUT A FRONT-END SALES CHARGE. Class A shares may
    be purchased without a front-end sales charge under any of the following
    conditions:

      purchases of $1 million or more *
      
      purchases by Retirement Plans with at least 100 eligible employees *
      
      purchases under a Special Retirement Wrap Program *
      
      purchases made with dividends and distributions on class A shares of
      another Eligible Fund 
      
      purchases representing repayment under the loan feature of the
      Lord Abbett-sponsored prototype 403(b) Plan for class A shares
      
      purchases by employees of any consenting securities dealer having a sales
      agreement with Lord Abbett Distributor
       
      purchases under a Mutual Fund Advisory Program
      
      purchases by trustees or custodians of any pension or profit sharing plan,
      or payroll deduction IRA for employees of any consenting securities
      dealer having a sales agreement with Lord Abbett Distributor

    SEE THE STATEMENT OF ADDITIONAL INFORMATION FOR A LISTING OF OTHER
    CATEGORIES OF PURCHASERS WHO QUALIFY FOR CLASS A SHARE PURCHASES WITHOUT A 
    FRONT-END SALES CHARGE.

    * THESE CATEGORIES MAY BE SUBJECT TO A CONTINGENT DEFERRED SALES CHARGE
("CDSC").

    CLASS A SHARE CDSC. If you buy class A shares under one of the starred (*)
    categories listed above and you redeem any of them within 24 months after
    the month in which you initially purchased them, the fund will normally
    collect a CDSC of 1%. 

    The class A share CDSC will generally be waived for the following
    conditions: 

      benefit payments such as Retirement Plan loans, hardship withdrawals,
      death, disability, retirement, separation from service or any excess
      distribution under Retirement Plans (documentation may be required)

      redemptions continuing as investments in another fund participating in a
      Special Retirement Wrap Program CLASS B SHARE CDSC. The CDSC for class B
      shares normally applies if you redeem your shares before the sixth
      anniversary of their initial purchase. The CDSC declines the longer you
      own your shares, according to the following schedule:

- --------------------------------------------------------------------------------
Contingent Deferred Sales Charges - Class B Shares
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

ANNIVERSARY(1) OF                            CONTINGENT DEFERRED SALES CHARGE
THE DAY ON WHICH THE                         ON REDEMPTION (AS % OF AMOUNT
PURCHASE ORDER WAS ACCEPTED                  SUBJECT TO CHARGE)
<S>                           <C>             <C> 
On                            Before
- --------------------------------------------------------------------------------
                              1st             5.0%
- --------------------------------------------------------------------------------
1st                           2nd             4.0%
- --------------------------------------------------------------------------------
2nd                           3rd             3.0%
- --------------------------------------------------------------------------------
3rd                           4th             3.0%
- --------------------------------------------------------------------------------
4th                           5th             2.0%
- --------------------------------------------------------------------------------
5th                           6th             1.0%
- --------------------------------------------------------------------------------
on or after the 6th(2)                        None
- --------------------------------------------------------------------------------
</TABLE>

(1) The anniversary is the same calendar day in each respective year after the
    date of purchase. For example, the anniversaries for shares purchased on
    May 1 will be May 1 of each succeeding year.

(2) Class B shares will automatically convert to class A shares on the eighth
    anniversary of the purchase of class B shares.



CDSC, regardless of class, is not charged on shares acquired through
reinvestment of dividends or capital gains distributions and is charged on the
original purchase cost or the current market value of the shares at the time
they are being sold, whichever is lower. In addition, repayment of loans under
Retirement Plans and 403(b) Plans will constitute new sales for purposes of
assessing the CDSC.

To minimize the amount of any CDSC, the fund redeems shares in the following
order:

1. shares acquired by reinvestment of dividends and capital gains (always free
   of a CDSC)

2. shares held for six years or more (class B) or two years or more after the
   month of purchase (class A) or one year or more (class C)

3. shares held the longest before the sixth anniversary of their purchase
   (class B) or before the second anniversary after the month of purchase 
   (class A) or before the first anniversary of their purchase (class C)

RETIREMENT PLANS include employer-sponsored retirement plans under the Internal
Revenue Code, excluding Individual Retirement Accounts.

LORD ABBETT DISTRIBUTOR LLC ("Lord Abbett Distributor") acts as agent for the
funds to work with investment professionals that buy and/or sell shares of the
funds on behalf of their clients. Generally, Lord Abbett Distributor does not
sell fund shares directly to investors.

BENEFIT PAYMENT DOCUMENTATION
(class A only)

  under $50,000 - no documentation
  necessary
  over $50,000 - reason for benefit payment must be received in writing. Use the
  address indicated under "Opening Your Account."

6 Your Investment



<PAGE>

The class B share CDSC will generally be waived under any one of the
following conditions:

    benefit payments such as Retirement Plan loans, hardship withdrawals,
    death, disability, retirement, separation from service or any excess
    contribution or distribution under Retirement Plans (documentation may be
    required)

      Eligible Mandatory Distributions under 403(b) Plans and individual
      retirement accounts

      death of the shareholder (natural person)

      redemptions of shares in connection with Div-Move and Systematic
      Withdrawal Plans (up to 12% per year)

SEE "SYSTEMATIC WITHDRAWAL PLAN" UNDER "SERVICES FOR FUND INVESTORS" BELOW FOR
MORE INFORMATION ON CDSCS WITH RESPECT TO CLASS B SHARES.

    CLASS C SHARE CDSC. The 1% CDSC for class C shares normally applies if you
    redeem your shares before the anniversary of the purchase of such shares.

    CLASS P SHARES. Class P shares have lower annual expenses than class B and
    class C shares, no front-end sales charge, and no CDSC. Class P shares are
    currently sold and redeemed at NAV (a) pursuant to a Mutual Fund Advisory
    Program, or (b) to the trustees of, or employer-sponsors with respect to,
    pension or retirement plans with at least 100 eligible employees (such as a
    plan under Section 401(a), 401(k) or 457(b) of the Internal Revenue Code)
    which engage an investment professional providing or participating in an
    agreement to provide certain recordkeeping, administrative and/or
    sub-transfer agency services to the fund on behalf of the class P
    shareholders.


OPENING YOUR ACCOUNT
MINIMUM INITIAL INVESTMENT
   
<TABLE>
<S>                                                             <C>   
      Regular account                                           $1,000
      Individual Retirement Accounts
      and 403(b) Plans under the Internal
      Revenue Code                                                $250

      Uniform Gifts to Minors Account                             $250
</TABLE>

    For Retirement Plans and Mutual Fund Advisory Programs, no minimum
    investment is required, regardless of share class.

    You may purchase shares through any independent securities dealer who has a
    sales agreement with Lord Abbett Distributor or you can fill out the
    attached application and send it to the fund at the address stated below.
    You should carefully read the paragraph below entitled "Proper Form" before
    placing your order to assure your order will be accepted.

    LORD ABBETT BOND-DEBENTURE FUND 
    P.O. Box 419100
    Kansas City, MO 64141

    PROPER FORM. An order submitted directly to the fund must contain: (1) a
    completed application, and (2) payment by check. When purchases are made by
    check, redemptions will not be allowed until the fund or the transfer agent
    is advised that the check has cleared, which may take up to 15 calendar
    days. For more information regarding proper form of a purchase order, call
    the fund at 800-821-5129.

    BY EXCHANGE. Telephone the fund at 800-821-5129 to request an exchange from
    any eligible Lord Abbett-sponsored fund.

    IMPORTANT INFORMATION. You may be subject to a $50 penalty under the
    Internal Revenue Code if you do not provide a correct taxpayer
    identification number (Social Security Number for individuals) or make
    certain required certifications. In addition, we may be required to withhold
    from your account and pay to the U.S. Treasury 31% of any redemption
    proceeds and any dividend or distribution from your account.

                                                               Your Investment 7






<PAGE>


REDEMPTIONS

    BY BROKER. Call your investment professional for directions on how to redeem
    your shares.

    BY TELEPHONE. To obtain the proceeds of a redemption of $50,000 or less from
    your account, you or your representative can call the fund at 800-821-5129.

    BY MAIL. Submit a written redemption request indicating the name(s) in which
    the account is registered, the fund's name, the class of shares, your
    account number, and the dollar value or number of shares you wish to sell.

    Include all necessary signatures. If the signer has any Legal Capacity, the
    signature and capacity must be guaranteed by an Eligible Guarantor. Certain
    other legal documentation may be required. For more information regarding
    proper documentation call 800-821-5129.

    Normally a check will be mailed to the name and address in which the account
    is registered (or otherwise according to your instruction) within three
    business days after receipt of your redemption request. Your account balance
    must be sufficient to cover the amount being redeemed or your redemption
    order will not be processed. Under unusual circumstances, the fund may
    suspend redemptions, or postpone payment for more that seven days, as
    permitted by federal securities laws.

    To determine if a CDSC applies to a redemption, see "Class A Share CDSC,"
    "Class B Share CDSC" or "Class C Share CDSC."


DISTRIBUTIONS AND TAXES

    The fund pays its shareholders dividends from its net investment income, and
    distributes any net capital gains that it has realized. The fund expects to
    pay income dividends to shareholders monthly. If a capital gain distribution
    is declared, it is expected to be paid annually. Your distributions will be
    reinvested in your fund unless you instruct the fund to pay them to you in
    cash. There are no sales charges on reinvestments.

    The tax status of distributions is the same for all shareholders regardless
    of how long they have been in the fund or whether distributions are
    reinvested or paid in cash. In general, distributions are taxable as
    follows:

- --------------------------------------------------------------------------------
Federal Taxability Of Distributions
 
<TABLE>
<CAPTION>

Type of          Tax rate for taxpayer   Tax rate for taxpayer subject
distribution     subject to 15% bracket  to 28% bracket or above
- --------------------------------------------------------------------------------
<S>            <C>                         <C>
INCOME           Ordinary                Ordinary
DIVIDENDS        income rate             income rate
- --------------------------------------------------------------------------------
SHORT-TERM       Ordinary                Ordinary
CAPITAL GAINS    income rate             income rate
- --------------------------------------------------------------------------------
LONG-TERM
CAPITAL GAINS    10%                     20%
- --------------------------------------------------------------------------------
</TABLE>

    Except in tax-advantaged accounts, any sale or exchange of fund shares may
    be a taxable event.


SMALL ACCOUNTS. Our Board may authorize closing any account in which there are
fewer than 25 shares if it is in a fund's best interest to do so.

ELIGIBLE GUARANTOR is any broker or bank that is a member of the Medallion Stamp
Program. Most major securities firms and banks are members of this program. A
NOTARY PUBLIC IS NOT AN ELIGIBLE GUARANTOR.



TAXES ON TRANSACTIONS. The chart at left also can provide a "rule of thumb"
guide for your potential U.S. federal income tax liability when selling or
exchanging fund shares. The second row, "Short-term capital gains," applies to
fund shares sold within 12 months of purchase. The third row, "Long-term capital
gains," applies to shares held for more than 12 months.

Starting January 1, 2001, sales of securities held for more than five years will
be taxed at special lower rates.

Any gains realized on a fund's transactions in options and financial futures
will be treated as taxable long- or short-term capital gains.

8 Your Investment









<PAGE>


    ANNUAL INFORMATION - Information concerning the tax treatment of dividends
    and other distributions will be mailed to shareholders each year. The fund
    will also provide annually to its shareholders information regarding the
    source of dividends and distributions of capital gains paid by the fund.
    Because everyone's tax situation is unique, you should consult your tax
    adviser regarding the treatment of those distributions under the federal,
    state and local tax rules that apply to you as well as the tax consequences
    of gains or losses from the redemption or exchange of your shares.

SERVICES FOR FUND INVESTORS
AUTOMATIC SERVICES

Buying or selling shares automatically is easy with the services described
below. With each service, you select a schedule and amount, subject to certain
restrictions. You can set up most of these services when filling out your
application or by calling 800-821-5129.
- --------------------------------------------------------------------------------
For investing

<TABLE>
<S>             <C>                    
INVEST-A-MATIC  You can make fixed, periodic investments ($50 minimum) into your
(Dollar-cost    fund account by means of automatic money transfers from your 
averaging)      bank checking  account. See the attached application for 
                instructions.

DIV-MOVE        You can automatically reinvest the dividends and distributions 
                from your account into another account in any Eligible Fund ($50
                minimum).

For selling shares

SYSTEMATIC      You can make regular withdrawals from most Lord Abbett funds. 
WITHDRAWAL      Automatic cash withdrawals can be paid to you from your
PLAN ("SWP")    account in fixed or variable amounts. To establish a plan, the 
                value of your shares must be at least $10,000, except for 
                Retirement Plans for which there is no minimum. Your shares must
                be in non-certificate form.

CLASS B SHARES  The CDSC will be waived on SWP redemptions of up to 12% of the
                current net asset value of your account at the time of your 
                SWPrequest. For class B share SWP redemptions over 12% per year,
                the CDSC will apply to the entire redemption. Please contact the
                fund for assistance in minimizing the CDSC in this situation.

CLASS B AND     Redemption proceeds due to a SWP for class B and class C
C SHARES        shares will be redeemed in the order described under "Purchases."
</TABLE>
- --------------------------------------------------------------------------------

OTHER SERVICES

    TELEPHONE INVESTING. After we have received the attached application
    (selecting "yes" under Section 7C and completing Section 7), you can
    instruct us by phone to have money transferred from your bank account to
    purchase shares of the fund for an existing account. The fund will purchase
    the requested shares when it receives the money from your bank.

    TELEPHONE EXCHANGES. You or your investment professional, with proper
    identification, can instruct your fund by telephone to exchange shares of
    any class for shares of the same class of any Eligible Fund by calling
    800-821-5129. The fund must receive instructions for the exchange before the
    close of the NYSE on the day of your call. If you meet this requirement, you
    will get the NAV per share of the Eligible Fund determined on that day.
    Exchanges will be treated as a sale for federal tax purposes. Be sure to
    read the current prospectus for any fund into which you are exchanging.

    REINVESTMENT PRIVILEGE. If you sell shares of the fund, you have a one time
    right to reinvest some or all of the proceeds in the same class of any
    Eligible Fund within 60 days

Lord Abbett offers a variety of Retirement Plans. Call 800-253-7299 for
information about:

  Traditional, Rollover, Roth and Education IRAs

  Simple IRAs, SEP-IRAs, 401(k) and 403(b) accounts

  Defined Contribution Plans

TELEPHONE TRANSACTIONS. You have this privilege unless you refuse it in writing.
For your security, telephone transaction requests are recorded. We will take
measures to verify the identity of the caller, such as asking for your name,
account number, social security or taxpayer identification number and other
relevant information. The fund will not be liable for following instructions
communicated by telephone that it reasonably believes to be genuine.

Transactions by telephone may be difficult to implement in times of drastic
economic or market change. 

Exchanges by telephone should not be used to take advantage of short-term swings
in the market. The fund reserves the right to limit or terminate this privilege
for any shareholder making frequent exchanges or abusing the privilege and may
revoke the privilege for all shareholders upon 60 days' written notice.

                                                               Your Investment 9










<PAGE>


     without a sales charge. If you paid a CDSC when you sold your shares, you
     will be credited with the amount of the CDSC. All accounts involved must
     have the same registration.

    ACCOUNT STATEMENTS. Every Lord Abbett investor automatically receives
    quarterly account statements.

    HOUSEHOLDING. Shareholders with the same last name and address will receive
    a single copy of a prospectus and an annual or semi-annual report, unless
    additional reports are specifically requested in writing to the fund.

    ACCOUNT CHANGES. For any changes you need to make to your account, consult
    your investment professional or call the fund at 800-821-5129.

    SYSTEMATIC EXCHANGE. You or your investment professional can establish a
    schedule of exchanges between the same classes of any Eligible Fund.

    SALES CHARGES AND SERVICE FEES 

    SALES AND SERVICE COMPENSATION. As part of its plan for distributing shares,
    the fund and Lord Abbett Distributor pay sales and service compensation to
    Authorized Institutions that sell the fund's shares and service its
    shareholder accounts.

    Sales compensation originates from two sources: sales charges and 12b-1
    distribution fees that are paid out of the fund's assets. Service
    compensation originates from 12b-1 service fees. The 12b-1 fee rates vary by
    share class, according to the Rule 12b-1 Plan adopted by the fund. The sales
    charges and 12b-1 fees paid by investors are shown in the class-by-class
    information under "Fees and Expenses" and "Purchases." The portion of these
    expenses that is paid as sales and service compensation to Authorized
    Institutions, such as your dealer, is shown in the chart at the end of this
    prospectus. The portion of such sales and service compensation paid to Lord
    Abbett Distributor is discussed under "Sales Activities" and "Service
    Activities." Sometimes we do not pay sales and service compensation where
    tracking data is not available for certain accounts or where the Authorized
    Institution waives part of the compensation.

    We may pay Additional Concessions to Authorized Institutions from time to
    time.

    SALES ACTIVITIES. We may use 12b-1 distribution fees to pay Authorized
    Institutions to finance any activity which is primarily intended to result
    in the sale of shares. Lord Abbett Distributor uses its portion of the
    distribution fees attributable to a fund's class A and class C shares for
    activities which are primarily intended to result in the sale of such class
    A and class C shares, respectively. These activities include, but are not
    limited to, printing of prospectuses and statements of additional
    information and reports for other than existing shareholders, preparation
    and distribution of advertising and sales material, expenses of organizing
    and conducting sales seminars, Additional Concessions to Authorized
    Institutions, the cost necessary to provide distribution-related services or
    personnel, travel, office expenses, equipment and other allocable overhead.


    SERVICE ACTIVITIES. We may pay Rule 12b-1 service fees to Authorized
    Institutions for any activity which is primarily intended to result in
    personal service and/or the maintenance of shareholder accounts. Any portion
    of the service fees paid to Lord Abbett Distributor will be used to service
    and maintain shareholder accounts.

12B-1 FEES PAYABLE REGARDLESS OF EXPENSES. The amounts payable by a fund need
not be directly related to expenses. If Lord Abbett Distributor's actual
expenses exceed the fee payable to it, the fund will not have to pay more than
that fee. If Lord Abbett Distributor's expenses are less than the fee it
receives, Lord Abbett Distributor will keep the full amount of the fee.

10 Your Investment






<PAGE>


MANAGEMENT

    The fund's investment adviser is Lord, Abbett & Co., 767 Fifth Avenue, New
    York, NY 10153-0203. Founded in 1929, Lord Abbett manages one of the
    nation's oldest mutual fund complexes, with over $30 billion in more than 35
    mutual fund portfolios and other advisory accounts. For more information
    about the services Lord Abbett provides to the fund, see the Statement of
    Additional Information. 

    The fund pays Lord Abbett a monthly fee based on average daily net assets
    for each month. For the fiscal year ended December 31, 1998, the fee paid to
    Lord Abbett was at an annual rate of .46 of 1%. In addition, the fund pays
    all expenses not expressly assumed by Lord Abbett.
   
    Lord Abbett uses a team of portfolio managers and analysts acting together
    to manage the fund's investments. Christopher J. Towle, Partner of Lord
    Abbett, heads the team, the other senior members of which include Richard
    Szaro, Michael Goldstein and Thomas Baade. Messrs. Towle and Szaro have been
    with Lord Abbett since 1988 and 1983, respectively. Mr. Goldstein has been
    with Lord Abbett since 1997. Before joining Lord Abbett, Mr. Goldstein was a
    bond trader for Credit Suisse BEA Associates from August 1992 through April
    1997. Mr. Baade joined Lord Abbett in 1998; prior to that he was a credit
    analyst with Greenwich Street Advisors.

                                                              Your Investment 11









<PAGE>

                              FOR MORE INFORMATION

OTHER INVESTMENT TECHNIQUES

    This section describes some of the investment techniques that might be used
    by the fund and their risks.

    ADJUSTING INVESTMENT EXPOSURE. The fund may, but is not required to, use
    various strategies to change its investment exposure to adjust to changing
    security prices, interest rates, currency exchange rates, commodity prices
    and other factors. The fund may use these transactions to change the risk
    and return characteristics of the fund's portfolio. If we judge market
    conditions incorrectly or use a strategy that does not correlate well with
    the fund's investments, it could result in a loss, even if we intended to
    lessen risk or enhance returns. These transactions may involve a small
    investment of cash compared to the magnitude of the risk assumed and could
    produce disproportionate gains or losses. Also, these strategies could
    result in losses if the counterparty to a transaction does not perform as
    promised.

    COVERED CALL OPTIONS. The Fund may write (sell) call options on securities
    it owns. A call option on stock gives the purchaser of the option, upon
    payment of a premium to the writer of the option, the right to call upon the
    writer to deliver a specified number of shares of a stock on or before a
    fixed date at a predetermined price.

    FOREIGN SECURITIES. These securities are not subject to the same degree of
    regulation and may be more volatile and less liquid than securities traded
    in major U.S. markets. Foreign portfolio securities may trade on days when
    the fund does not value them. Fund share prices could be affected on days an
    investor cannot purchase or sell shares. Other risks include less
    information on public companies, banks and governments; political and social
    instability; expropriations; higher transaction costs; currency
    fluctuations; nondeductible withholding taxes and different accounting and
    settlement practices. The fund may invest up to 20% of its assets in foreign
    securities.

    ILLIQUID SECURITIES. These securities include those that are not traded on
    the open market or that trade irregularly or in very low volume. They may be
    difficult or impossible to sell at the time and price the fund would like.
    The fund may invest up to 15% of its assets in illiquid securities.

    PORTFOLIO SECURITIES LENDING. The fund may lend securities to broker-dealers
    and financial institutions, as a means of earning income. This practice
    could result in a loss or delay in recovering a fund's securities, if the
    borrower defaults. The fund will limit its security loans to 30% of its
    total assets.


GLOSSARY OF SHADED TERMS

    ADDITIONAL CONCESSIONS. Lord Abbett Distributor may, for specified periods,
    allow dealers to retain the full sales charge for sales of shares or may pay
    an additional concession to a dealer who sells a minimum dollar amount of
    our shares and/or shares of other Lord Abbett-sponsored funds. In some
    instances, such additional concessions will be offered only to certain
    dealers expected to sell significant amounts of shares. Additional payments
    may be paid from Lord Abbett Distributor's own resources or from
    distribution fees received from a fund and will be made in the form of cash
    or, if permitted, non-cash payments. The non-cash payments will include
    business seminars at Lord Abbett's head-

12 For More Information









<PAGE>


    quarters or other locations, including meals and entertainment, or the
    receipt of merchandise. The cash payments may include payment of various
    business expenses of the dealer. 

    In selecting dealers to execute portfolio transactions for a fund's
    portfolio, if two or more dealers are considered capable of obtaining best
    execution, we may prefer the dealer who has sold our shares and/or shares of
    other Lord Abbett-sponsored funds.

    AUTHORIZED INSTITUTIONS. Institutions and persons permitted by law to
    receive service and/or distribution fees under a Rule 12b-1 Plan are
    "Authorized Institutions." Lord Abbett Distributor is an Authorized
    Institution.

    ELIGIBLE FUND. An Eligible Fund is any Lord Abbett-sponsored fund except for
    certain tax-free, single-state funds where the exchanging shareholder is a
    resident of a state in which such a fund is not offered for sale; Lord
    Abbett Equity Fund; Lord Abbett Series Fund; Lord Abbett U.S. Government
    Securities Money Market Fund ("GSMMF") (except for holdings in GSMMF which
    are attributable to any shares exchanged from the Lord Abbett family of
    funds). An Eligible Fund also is any Authorized Institution's affiliated
    money market fund satisfying Lord Abbett Distributor as to certain omnibus
    account and other criteria.

    ELIGIBLE MANDATORY DISTRIBUTIONS. If class B shares represent a part of an
    individual's total IRA or 403(b) investment, the CDSC will be waived only
    for that part of a mandatory distribution which bears the same relation to
    the entire mandatory distribution as the B share investment bears to the
    total investment.

    LEGAL CAPACITY. With respect to a redemption request, if (for example) the
    request is on behalf of the estate of a deceased shareholder, John W. Doe,
    by a person (Robert A. Doe) who has the legal capacity to act for the estate
    of the deceased shareholder because he is the executor of the estate, then
    the request must be executed as follows: Robert A.Doe, Executor of the
    Estate of John W. Doe. That signature using that capacity must be guaranteed
    by an Eligible Guarantor.

    Similarly, if (for example) the redemption request is on behalf of the ABC
    Corporation by a person (Mary B. Doe) that has the legal capacity to act on
    behalf of this corporation, because she is the President of the corporation,
    then the request must be executed as follows: ABC Corporation by Mary B.Doe,
    President. That signature using that capacity must be guaranteed by an
    Eligible Guarantor (see example in right column).

    MUTUAL FUND ADVISORY PROGRAM. Certain unaffiliated authorized brokers,
    dealers, registered investment advisers or other financial institutions who
    either (1) have an arrangement with Lord Abbett Distributor in accordance
    with certain standards approved by Lord Abbett Distributor, providing
    specifically for the use of our shares (and sometimes providing for
    acceptance of orders for such shares on our behalf) in particular investment
    products made available for a fee to clients of such brokers, dealers,
    registered in vest ment advisers and other financial institutions, or (2)
    charge an advisory, consulting or other fee for their services and buy
    shares for their own accounts or the accounts of their clients.

    PURCHASER. The term "purchaser" includes: (1) an individual, (2) an
    individual and his or her spouse and children under the age of 21 and (3) a
    trustee or other fiduciary purchasing shares for a single trust estate or
    single fiduciary account (including a pension, profit-sharing, or other
    employee benefit trust qualified under Section 401 of the Internal Revenue
    Code - more than one qualified employee benefit trust of a single employer,
    including its consolidated subsidiaries, may be considered a single trust,
    as may qualified plans of multiple employers registered in the name of a
    single bank trustee as one account), although more than one beneficiary is
    involved.

GUARANTEED SIGNATURE. An acceptable form of guarantee would be as follows:
  In the case of the estate -

  Robert A. Doe
  Executor of the Estate of
  John W. Doe
  [Date]


[GRAPH]

  In the case of the corporation -
  ABC Corporation

  Mary B. Doe
  By Mary B. Doe, President
  [Date]


[GRAPH]


                                                         For More Information 13








<PAGE>


    SPECIAL RETIREMENT WRAP PROGRAM. A program sponsored by an Authorized
    Institution showing one or more characteristics distinguishing it, in the
    opinion of Lord Abbett Distributor from a Mutual Fund Advisory Program. Such
    characteristics include, among other things, the fact that an Authorized
    Institution does not charge its clients any fee of a consulting or advisory
    nature that is economically equivalent to the distribution fee under the
    class A 12b-1 Plan and the fact that the program relates to
    participant-directed Retirement Plans.

RECENT PERFORMANCE

    U.S. financial markets were subject to significant volatility throughout the
    fund's fiscal year. Many investors became unnerved at mid-year as the
    economic crises in Asia and Japan infected the emerging markets in South
    America and Eastern Europe. These crises, in turn, seemed likely to
    negatively impact corporate earnings in the U.S. and other developed market
    countries. During both May and June, investors worldwide left corporate and
    high-yield investments for the safety of U.S. Treasury bonds.

    A series of autumn rate cuts initiated by the U.S. Federal Reserve Board
    helped to calm the turmoil in the capital markets that existed throughout
    the late summer. In October, a more optimistic view of global economies
    emerged. During the fourth quarter, high-yield and convertible debt
    securities substantially outperformed Treasury instruments of comparable
    maturities.*

    Throughout the year, we underweighted the fund's corporate bond holdings in
    basic industries such as steel, paper and chemicals because we considered
    that, given global economic conditions, there was little pricing power
    within these industries. We emphasized industries with steady cash flows,
    such as telecommunications, media and cable television providers.
    Bond-Debenture Fund's focus on high-yield bonds provided substantial rewards
    for shareholders during the fourth quarter as high-yield bonds performed
    well.

    In our view, the current environment of low inflation, global overcapacity,
    and an anticipated slowdown of U.S. economic growth makes a reversal of the
    Federal Reserve's interest-rate policy unlikely. As a result, interest rates
    should remain low for the duration of 1999. Against this backdrop, we expect
    attractive returns from the high-yield bonds that we have selected. Because
    such bonds are currently yielding more than 6% over Treasury securities with
    comparable maturities, we believe that they represent particularly good
    value, and we plan to maintain the fund's current overweighting of the
    high-yield sector. We believe that our ability to fine-tune the fund's
    investments among high-yield bonds, convertible securities and high-grade
    bonds, including U.S. Treasury securities, will be a key to uncovering
    exciting investment opportunities through most market conditions, while
    helping to manage risk.

  * Unlike Treasury securities, an investment in the fund is neither insured
    nor guaranteed by the U.S. government and is regarded as involving a
    greater degree of risk. The fund's share price and income are not
    guaranteed and the value of an investment will fluctuate so that an
    investor's shares, when redeemed, may be worth more or less than their
    original cost.


YEAR 2000 ISSUES. The fund could be adversely affected if the computers used by
the fund and their service providers do not properly process and calculate
date-related information from and after January 1, 2000. 

Lord Abbett is working to avoid such problems and has received assurances from
each fund's service providers that they are taking similar steps. Of course, the
Year 2000 problem is unprecedented and, therefore, Lord Abbett cannot eliminate
altogether the possibility that it or the funds will be affected.


14 For More Information






<PAGE>
                             FINANCIAL INFORMATION

FINANCIAL HIGHLIGHTS

    This table describes the fund's performance for the fiscal periods
    indicated. "Total return" shows how much your investment in the fund would
    have increased (or decreased) during each period, assuming you had
    reinvested all dividends and distributions. These Financial Highlights have
    been audited by Deloitte & Touche LLP, the fund's independent auditors, in
    conjunction with their annual audit of the fund's financial statements.
    Financial statements for the fiscal year ended December 31, 1998 and the
    Independent Auditors' Report thereon appear in the Annual Report to
    Shareholders for the fiscal year ended December 31, 1998 and are
    incorporated by reference into the Statement of Additional Information,
    which is available upon request. Certain information reflects financial
    results for a single fund share.
<TABLE>
<CAPTION>
============================================================================================================
                                                               CLASS A SHARES
                                    ------------------------------------------------------------------------
                                                          Year Ended December 31,
<S>                                     <C>           <C>            <C>           <C>          <C>         
Per Share Operating Performance:        1998          1997           1996          1995         1994
NET ASSET VALUE, BEGINNING OF YEAR      $9.76         $9.41          $9.29         $8.71        $9.95
- -------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS
- -------------------------------------------------------------------------------------------------------------
Net investment income                     .76(a)        .75(a)         .81           .85          .84
- -------------------------------------------------------------------------------------------------------------
Net realized and unrealized
- -------------------------------------------------------------------------------------------------------------
 gain (loss) on investments              (.31)          .40            .17           .606       (1.203)
- -------------------------------------------------------------------------------------------------------------
Total from investment operations          .45          1.15            .98          1.456        (.363)
- -------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS
- -------------------------------------------------------------------------------------------------------------
 Dividends from net investment income    (.76)         (.80)          (.86)         (.876)       (.877)
- -------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF YEAR            $9.45         $9.76          $9.41         $9.29        $8.71
- -------------------------------------------------------------------------------------------------------------
TOTAL RETURN(b)                          4.76%        12.70%         11.16%        17.50%       (3.87)%
- -------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS:
- -------------------------------------------------------------------------------------------------------------
 Expenses(e)                             0.88%         0.89%          0.89%         0.82%        0.88%
- -------------------------------------------------------------------------------------------------------------
 Net investment income                   7.85%         7.89%          8.77%         9.41%        8.97%
- -------------------------------------------------------------------------------------------------------------
=============================================================================================================
</TABLE>
<TABLE>
<CAPTION>
                                         CLASS B SHARES               CLASS C SHARES                 CLASS P SHARES
                                    -------------------------     -------------------------  ------------------------------
                                     Period Ended December 31,     Period Ended December 31,    Period Ended December 31,
Per Share Operating Performance:      1998      1997     1996(c)   1998       1997      1996(c)       1998(c)
<S>                                   <C>       <C>       <C>      <C>       <C>         <C>           <C>  
NET ASSET VALUE, BEGINNING OF PERIOD  $9.75     $9.41     $9.13    $9.77     $9.41       $9.05         $9.54
- ---------------------------------------------------------------------------------------------------------------------------
INCOME FROM INVESTMENT OPERATIONS
- ---------------------------------------------------------------------------------------------------------------------------
 Net investment income                  .69(a)    .68(a)    .34       .69(a)   .69(a)    .35            .25(a)
- ---------------------------------------------------------------------------------------------------------------------------
 Net realized and unrealized
- ---------------------------------------------------------------------------------------------------------------------------
  gain (loss) on investments           (.31)      .38       .26      (.31)     .39       .33           (.09)
- ---------------------------------------------------------------------------------------------------------------------------
Total from investment operations        .38      1.06       .60      .38      1.08       .68            .16
- ---------------------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS
- ---------------------------------------------------------------------------------------------------------------------------
 Dividends from net investment income  (.69)     (.72)     (.32)    (.69)     (.72)     (.32)          (.25)
- ---------------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD        $9.44     $9.75     $9.41    $9.46     $9.77     $9.41          $9.45
- ---------------------------------------------------------------------------------------------------------------------------
TOTAL RETURN(b)                        3.98%    11.85%     6.57%(d) 3.98%    11.97%     7.86%(d)       1.73%(d)
- ---------------------------------------------------------------------------------------------------------------------------
RATIOS TO AVERAGE NET ASSETS:
- ---------------------------------------------------------------------------------------------------------------------------
 Expenses(e)                           1.60%     1.63%     0.70%(d) 1.60%     1.58%     0.75%(d)       0.38%(d)
- ---------------------------------------------------------------------------------------------------------------------------
 Net investment Income                 7.13%     7.06%     3.37%(d) 7.13%    7.16%      3.72%(d)       2.90%(d)
- ---------------------------------------------------------------------------------------------------------------------------
===========================================================================================================================
</TABLE>
<TABLE>
<CAPTION>
                                                       Year Ended December 31,
                                        -----------------------------------------------------------------------------------
SUPPLEMENTAL DATA FOR ALL CLASSES:         1998                  1997               1996             1995            1994
<S>                                     <C>                   <C>               <C>              <C>               <C>     
NET ASSETS, END OF YEAR (000)           $3,540,124            $2,866,184        $2,129,421       $1,339,508        $987,613
- ---------------------------------------------------------------------------------------------------------------------------
PORTFOLIO TURNOVER RATE                    86.48%               89.14%            106.79%           134.90%        147.98%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

(a) Calculated using average shares outstanding during the period.
(b) Total return does not consider the effects of sales loads and assumes the
    reinvestment of all distributions.
(c) Commencement of operations for class shares: B - August 1, 1996,
    C - July 15,  1996 and P - August 21, 1998.
(d) Not annualized.
(e) The ratios for 1998 include expenses paid through an expense offset
    arrangement.

                                                        Financial Information 15







<PAGE>


LINE GRAPH COMPARISON
    Immediately below is a comparison of a $10,000 investment in class A shares
    to the same investment in the Salomon Brothers Broad Investment High-Grade
    Index, First Boston High-Yield Index, and the Value Line Convertible Index,
    assuming reinvestment of all dividends and distributions.



[GRAPH]

Fiscal Year-end 12/31
- --- The fund (class A shares) at net asset value
- --- The fund (class A) at maximum offering price(1)
- --- Salomon Brothers Broad Investment High-Grade Index(2)
- --- First Boston High Yield Index(2)
- --- Value Line Convertible Index(2)

- --------------------------------------------------------------------------------
     Average Annual Total Return at Maximum Sales Charge
           for the Periods Ending December 31, 1998

<TABLE>
<CAPTION>
                  1 YEAR        5 YEARS     10 YEARS (OR LIFE)
- --------------------------------------------------------------------------------
<S>               <C>            <C>              <C>  
Class A(3)        (0.20)%        7.13%            9.82%
- --------------------------------------------------------------------------------
Class B(4)        (0.86)%          -              8.19%
- --------------------------------------------------------------------------------
Class C(5)         3.01%           -              9.69%
- --------------------------------------------------------------------------------
</TABLE>
- --------------------------------------------------------------------------------
(1) Data reflects the deduction of the maximum initial sales charge of 4.75%
    applicable to class A shares.
(2) Performance numbers for the unmanaged Salomon Brothers Broad Investment
    High-Grade Index (source: Chase Global Data Service) First Boston High-Yield
    Index (source: Callan Associates), and Value Line Convertible Index (source:
    Morgan Stanley) do not reflect transaction costs or management fees. A 
    review of the fund's 1998 annual shareholders' report shows a history of the
    fund's portfolio blend changing through the years but composed primarily of 
    three categories of securities: (i) high-yield corporate debt (including 
    straight-preferred stocks), (ii) equity-related securities and (iii) high-
    grade debt. The three indices chosen to compare to the fund's performance 
    have elements of these three categories, but since there is no one index 
    combining all three in the same annual blend as the fund's portfolio, these
    three separate indices may not be a valid comparison for the fund.
(3) Total return is the percent change in value, after deduction of the maximum
    initial sales charge of 4.75% applicable to class A shares, with all
    dividends and distributions reinvested for the periods shown ending
    December 31, 1998 using the SEC-required uniform method to compute such
    return.
(4) The class B shares commenced operations on August 1, 1996. Performance
    numbers reflect the deduction of a 4% CDSC.
(5) The class C shares commenced operations on July 15, 1996.

16 Financial Information












<PAGE>

COMPENSATION FOR YOUR DEALER

<TABLE>
<CAPTION>
===========================================================================================================================
                                            FIRST YEAR COMPENSATION

                            Front-end
                            sales charge           Dealer's
                            paid by investors      concession               Service fee(1)           Total compensation(2)
Class A investments         (% of offering price)  (% of offering price)    (% of net investment)    (% of offering price)
- --------------------------------------------------------------------------------------------------------------------------
<S>                               <C>                  <C>                       <C>                         <C>  
Less than $50,000                 4.75%                4.00%                     0.25%                       4.24%
- --------------------------------------------------------------------------------------------------------------------------
$50,000 - $99,999                 4.75%                4.25%                     0.25%                       4.49%
- --------------------------------------------------------------------------------------------------------------------------
$100,000 - $249,999               3.75%                3.25%                     0.25%                       3.49%
- --------------------------------------------------------------------------------------------------------------------------
$250,000 - $499,999               2.75%                2.50%                     0.25%                       2.74%
- --------------------------------------------------------------------------------------------------------------------------
$500,000 - $999,999               2.00%                1.75%                     0.25%                       2.00%
- --------------------------------------------------------------------------------------------------------------------------
$1 million or more(3) or Retirement Plan - 100 or more eligible employees(3) or
Special Retirement Wrap Program(3)
- --------------------------------------------------------------------------------------------------------------------------
First $5 million         no front-end sales charge     1.00%                     0.25%                       1.25%
- --------------------------------------------------------------------------------------------------------------------------
Next $5 million          no front-end sales charge     0.55%                     0.25%                       0.80%
  above that
- --------------------------------------------------------------------------------------------------------------------------
Next $40 million         no front-end sales charge     0.50%                     0.25%                       0.75%
  above that 
- --------------------------------------------------------------------------------------------------------------------------
Over $50 million         no front-end sales charge     0.25%                     0.25%                       0.50%
- --------------------------------------------------------------------------------------------------------------------------
Class B investments                                   Paid at time of sale (% of net asset value)
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge     3.75%                     0.25%                       4.00%
- --------------------------------------------------------------------------------------------------------------------------
Class C investments
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge     0.75%                     0.25%                       1.00%
- --------------------------------------------------------------------------------------------------------------------------
Class P investments                                   Percentage of average net assets
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge     0.25%                     0.20%                       0.45%
- --------------------------------------------------------------------------------------------------------------------------

==========================================================================================================================
                                                  ANNUAL COMPENSATION AFTER FIRST YEAR

Class A investments
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge      none                    0.25%                        0.25%
- --------------------------------------------------------------------------------------------------------------------------
Class B investments                                   Percentage of average net assets(4)
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge      none                    0.25%                        0.25%
- --------------------------------------------------------------------------------------------------------------------------
Class C investments
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge      0.65%                   0.25%                        0.90%
- --------------------------------------------------------------------------------------------------------------------------
Class P investments
- --------------------------------------------------------------------------------------------------------------------------
All amounts              no front-end sales charge      0.25%                   0.20%                        0.45%
- --------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1) The service fee for class A and P shares is paid quarterly and for class A
    shares may not exceed 0.15% if sold prior to June 1, 1990. The first year's
    service fee on class B and C shares is paid at the time of sale.
(2) Dealer's concession percentages and service fee percentages are calculated
    from different amounts, and therefore may not equal total compensation
    percentages if combined using simple addition. Additional Concessions may be
    paid to Authorized Institutions from time to time.
(3) Concessions are paid at the time of sale on all class A shares sold during
    any 12-month period starting from the day of the first net asset value
    sale. With respect to (a) class A share purchases at $1 million or more,
    sales qualifying at such level under rights of accumulation and statement of
    intention privileges are included and (b) for Special Retirement Wrap
    Programs, only new sales are eligible and exchanges into the fund are
    excluded.
(4) With respect to class B, C and P shares, 0.25%, 0.90% and 0.45%,
    respectively, of the average annual net asset value of such shares
    outstanding during the quarter (including distribution reinvestment shares
    after the first anniversary of their issuance) is paid to Authorized
    Institutions. These fees are paid quarterly in arrears. In the case of
    C shares for fixed-income portfolios, such as the fund, 0.10% of the average
    annual net asset value of such shares is retained by Lord Abbett
    Distributor, thus reducing from 0.75% to 0.65% after the first year.
    Lord Abbett Distributor uses this 0.10% for expenses primarily intended to
    result in the sale of such fund's shares.

                                                        Financial Information 17










<PAGE>

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<PAGE>

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<PAGE>


                          THIS PAGE INTENTIONALLY LEFT BLANK












<PAGE>

    More information on this fund is available free upon request, including the
    following:

Annual/Semi-annual Report
    Describes the fund, lists portfolio holdings and contains a letter from the
    fund's manager discussing recent market conditions and the fund's investment
    strategies.

Statement of Additional Information ("SAI")
    Provides more details about the fund and its policies. A current SAI is on
    file with the Securities and Exchange Commission ("SEC") and is incorporated
    by reference (is legally considered part of this prospectus).

    Lord Abbett Bond-Debenture Fund
    The General Motors Building
    767 Fifth Avenue
    New York, NY 10153-0203
- --------------------------------------
    SEC file number: 811-2145




To obtain information:

BY TELEPHONE.  Call the fund at:
800-426-1130

BY MAIL.  Write to the fund at:
The Lord Abbett Family of Funds
767 Fifth Avenue
New York, NY 10153-0203

VIA THE INTERNET.
LORD, ABBETT & CO.
http://www.lordabbett.com

Text only versions of fund documents can be viewed online or downloaded from:

SEC
http://www.sec.gov

You can also obtain copies by visiting the SEC's Public Reference Room in
Washington, DC (phone 800-SEC-0330) or by sending your request and a duplicating
fee to the SEC's Public Reference Section, Washington, DC 20549-6009.

LABDF-1-599
(5/99)





<PAGE>


LORD ABBETT

STATEMENT OF ADDITIONAL INFORMATION                                  MAY 1, 1999


                                   Lord Abbett
                                 Bond-Debenture
                                   Fund, Inc.

This Statement of Additional Information is not a Prospectus. A Prospectus may
be obtained from your securities Dealer or from Lord Abbett Distributor LLC
("Lord Abbett Distributor") at the General Motors Building, 767 Fifth Avenue,
New York, New York 10153-0203. This Statement relates to, and should be read in
conjunction with, the Prospectus dated May 1, 1999.

Lord Abbett Bond-Debenture Fund, Inc. (sometimes referred to as "we" or the
"Fund") was organized in 1970 and was incorporated under Maryland law on January
23, 1976. The Fund has 1,000,000,000 shares of authorized capital stock
consisting of five classes of shares. This statement of additional information
offers four of those classes (A, B, C and P), $0.001 par value. The Board of
Directors will allocate these authorized shares of capital stock among the
classes from time to time. All shares have equal noncumulative voting rights and
equal rights with respect to dividends, assets and liquidation, except for
certain class-specific expenses. They are fully paid and nonassessable when
issued and have no preemptive or conversion rights. Although no present plans
exist to do so, further series may be added in the future. The Investment
Company Act of 1940, as amended (the "Act"), requires that where more than one
series exists, each series must be preferred over all other series in respect of
assets specifically allocated to such series.

Rule 18f-2 under the Act provides that any matter required to be submitted, by
the provisions of the Act or applicable state law or otherwise, to the holders
of the outstanding voting securities of an investment company such as the Fund
shall not be deemed to have been effectively acted upon unless approved by the
holders of a majority of the outstanding shares of each class affected by such
matter. Rule 18f-2 further provides that a class shall be deemed to be affected
by a matter unless the interests of each class in the matter are substantially
identical or the matter does not affect any interest of such class. However, the
Rule exempts the selection of independent public accountants, the approval of a
contract with a principal underwriter and the election of directors from its
separate voting requirements.

Shareholder inquiries should be made by writing directly to the Fund or by
calling 800-821-5129. In addition, you can make inquiries through your dealer.


<TABLE>
<CAPTION>
                    TABLE OF CONTENTS                            Page
              <S>                                                <C>
               1.   Investment Policies                           2
               2.   Directors and Office                          3
               3.   Investment Advisory and Other Services        7
               4.   Portfolio Transactio                          7
               5.   Purchases, Redemptions and
                    Shareholder Services                          8
               6.   Past Performance                              16
               7.   Taxes                                         17
               8.   Information About the Fund                    18
               9.   Financial Statements                          18
               10.  Appendix                                      18
</TABLE>





<PAGE>



                                       1.
                               INVESTMENT POLICIES

Fundamental Investment Restrictions

The Fund is subject to the following investment restrictions which cannot be
changed without approval of a majority of our outstanding shares. The Fund may
not: (1) borrow money, except that (i) the Fund may borrow from banks (as
defined in the Investment Company Act of 1940, as amended (the "Act")) in
amounts up to 33 1/3% of its total assets (including the amount borrowed), (ii)
the Fund may borrow up to an additional 5% of its total assets for temporary
purposes, (iii) the Fund may obtain such short-term credit as may be necessary
for the clearance of purchases and sales of portfolio securities and (iv) the
Fund may purchase securities on margin to the extent permitted by applicable
law; (2) pledge its assets (other than to secure borrowings, or to the extent
permitted by the Fund's investment policies as permitted by applicable law); (3)
engage in the underwriting of securities, except pursuant to a merger or
acquisition or to the extent that, in connection with the disposition of its
portfolio securities, it may be deemed to be an underwriter under federal
securities laws; (4) make loans to other persons, except that the acquisition of
bonds, debentures or other corporate debt securities and investment in
government obligations, commercial paper, pass-through instruments, certificates
of deposit, bankers acceptances, repurchase agreements or any similar
instruments shall not be subject to this limitation, and except further that the
Fund may lend its portfolio securities, provided that the lending of portfolio
securities may be made only in accordance with applicable law; (5) buy or sell
real estate (except that the Fund may invest in securities directly or
indirectly secured by real estate or interests therein or issued by companies
which invest in real estate or interests therein) or commodities or commodity
contracts (except to the extent the Fund may do so in accordance with applicable
law and without registering as a commodity pool operator under the Commodity
Exchange Act as, for example, with futures contracts); (6) with respect to 75%
of the gross assets of the Fund, buy securities of one issuer representing more
than (i) 5% of the Fund's gross assets, except securities issued or guaranteed
by the U.S. Government, its agencies or instrumentalities or (ii) 10% of the
voting securities of such issuer; (7) invest more than 25% of its assets, taken
at market value, in the securities of issuers in any particular industry
(excluding securities of the U.S. Government, its agencies and
instrumentalities); or (8) issue senior securities to the extent such issuance
would violate applicable law.

With respect to the restrictions mentioned herein, compliance therewith will not
be affected by changes in the market value of portfolio securities but will be
determined at the time of purchase or sale of such securities.

Non-Fundamental Investment Restrictions. In addition to the investment
restrictions above which cannot be changed without shareholder approval, we also
are subject to the following non-fundamental investment policies which may be
changed by the Board of Directors without shareholder approval. The Fund may
not: (1) borrow in excess of 33 1/3% of its total assets (including the amount
borrowed), and then only as a temporary measure for extraordinary or emergency
purposes; (2) make short sales of securities or maintain a short position except
to the extent permitted by applicable law; (3) invest knowingly more than 15% of
its net assets (at the time of investment) in illiquid securities, except for
securities qualifying for resale under Rule 144A of the Securities Act of 1933,
deemed to be liquid by the Board of Directors; (4) invest in the securities of
other investment companies except as permitted by applicable law; (5) invest in
securities of issuers which, with their predecessors, have a record of less than
three years' continuous operations, if more than 5% of the Fund's total assets
would be invested in such securities (this restriction shall not apply to
mortgage-backed securities, asset-backed securities or obligations issued or
guaranteed by the U. S. Government, its agencies or instrumentalities); (6) hold
securities of any issuer if more than 1/2 of 1% of the securities of such issuer
are owned beneficially by one or more officers or directors of the Fund or by
one or more partners or members of the Fund's underwriter or investment adviser
if these owners in the aggregate own beneficially more than 5% of the securities
of such issuer; (7) invest in warrants if, at the time of the acquisition, its
investment in warrants, valued at the lower of cost or market, would exceed 5%
of the Fund's total assets (included within such limitation, but not to exceed
2% of the Fund's total assets, are warrants which are not listed on the New York
or American Stock Exchange or a major foreign exchange); (8) invest in real
estate limited partnership interests or interests in oil, gas or other mineral
leases, or exploration or other development programs, except that the Fund may
invest in securities issued by companies that engage in oil, gas or other
mineral exploration or other development activities; (9) write, purchase or sell
puts, calls, straddles, spreads or combinations thereof, except to the extent
permitted in the Fund's prospectus and statement of additional information, as
they may be amended from time to time; (10) buy from or sell to any of its
officers, directors, employees, or its investment adviser or any of its
officers, directors, partners or employees, any securities other than

                                       2



<PAGE>


shares of the Fund's common stock; or (11) invest more than 10% of the market
value of its gross assets at the time of investment in debt securities which are
in default as to interest or principal.

Although it has no current intention to do so, the Fund may invest in financial
futures and options on financial futures.

PORTFOLIO TURNOVER RATE. For the year ended December 31, 1998, our portfolio
turnover was 86.48% versus 89.14% for the prior year.

                                       2.
                             DIRECTORS AND OFFICERS

The following director is a partner of Lord, Abbett & Co. ("Lord Abbett"), The
General Motors Building, 767 Fifth Avenue, New York, New York 10153-0203. He has
been associated with Lord Abbett for over five years and is also an officer
and/or director or trustee of the other Lord Abbett-sponsored funds. He is an
"interested person" as defined in the Act, and as such, may be considered to
have an indirect financial interest in the Rule 12b-1 Plan described in the
Prospectus.

Robert S. Dow, age 54, Chairman and President

The following outside directors are also directors or trustees of the other Lord
Abbett-sponsored funds referred to above.

E. Thayer Bigelow
Time Warner Inc.
1271 Avenue of the Americas
New York, New York

Senior Adviser, Time Warner Inc. Formerly, Acting Chief Executive Officer of
Courtroom Television Network. (1997-1998). Formerly, President and Chief
Executive Officer of Time Warner Cable Programming, Inc. (1991-1997). Prior to
that, President and Chief Operating Officer of Home Box Office. Age 57

William H. T. Bush
Bush-O'Donnell & Co., Inc.
101 South Hanley Road, Suite 1025
St. Louis, Missouri.

Co-founder and Chairman of the Board of financial advisory firm of
Bush-O'Donnell & Company. Age 60.

Robert B. Calhoun, Jr.
Monitor Clipper Partners
650 Madison Avenue, 9th Floor
New York, New York

Managing Director of Monitor Clipper Partners and President of the Clipper Group
L.P., both private equity investment funds. Age 56.

Stewart S. Dixon
Wildman, Harrold, Allen & Dixon
225 W. Wacker Drive (Suite 2800)
Chicago, Illinois

Partner in the law firm of Wildman, Harrold, Allen & Dixon. Age 68.

John C. Jansing
162 S. Beach Road

                                       3



<PAGE>


Hobe Sound, Florida

Retired. Former Chairman of Independent Election Corporation of America, a proxy
tabulating firm. Age 73.

C. Alan MacDonald
Directorship, Inc.
8 Sound Shore Drive
Greenwich, Connecticut

Managing Director of Directorship Inc., a consultancy in board management and
corporate governance. Formerly General Partner of The Marketing Partnership,
Inc., a full service marketing consulting firm (1994 - 1997). Prior to that,
Chairman and Chief Executive Officer of Lincoln Snacks, Inc., manufacturer of
branded snack foods (1992 - 1994). His career spans 36 years at Stouffers and
Nestle with 18 of the years as Chief Executive Officer. Currently serves as
Director of DenAmerica Corp., J.B. Williams Company, Inc., Fountainhead Water
Company and Exigent Diagnostics. Age 65.

Hansel B. Millican, Jr.
Rochester Button Company
1328 Broadway (Suite 816)
New York, New York

President and Chief Executive Officer of Rochester Button Company. Age 70.

Thomas J. Neff
Spencer Stuart
277 Park Avenue
New York, New York

Chairman of Spencer Stuart, an executive search consulting firm. Currently
serves as Director of Ace, Ltd. (NYSE). Age 61.

The second column of the following table sets forth the compensation accrued for
the Fund's outside directors. The third column sets forth information with
respect to the equity-based benefits accrued for outside directors by the Lord
Abbett-sponsored funds. The fourth column sets forth the total compensation
payable by such funds to the outside directors. No director of the Fund
associated with Lord Abbett and no officer of the Fund received any compensation
from the Fund for acting as a director or officer.

                                     4






<PAGE>


                   For the Fiscal Year Ended December  31, 1998

<TABLE>
<CAPTION>
     (1)                       (2)                    (3)                         (4)

                                                 Pension or                 For Year Ended
                                                 Retirement Benefits        December 31, 1998
                                                 Accrued by the             Total Compensation
                            Aggregate            Fund and                   Accrued by the Fund and
                            Compensation         Twelve Other Lord          Twelve Other Lord
                            Accrued by           Abbett-sponsored           Abbett-sponsored
Name of Director            the Fund(1)          Funds(2)                   Funds(3)
- ----------------            ------------         -----------------          -----------------------
<S>                         <C>                  <C>                        <C>
E. Thayer Bigelow             $9,758               $17,068                    $57,400
Willim H. T. Bush*            $4,675               $0                         $27,500
Robert B. Calhoun**           $5,695               $0                         $33,500
Stewart S. Dixon              $9,605               $32,190                    $56,500
John C. Jansing               $9,435               $45,085(4)                 $55,500
C. Alan MacDonald             $9,350               $30,703                    $55,000
Hansel B. Millican, Jr.       $9,435               $37,747                    $55,500
Thomas J. Neff                $9,605               $19,853                    $56,500
</TABLE>

* Elected August 13, 1998.
**Elected June 17, 1998.

1. Outside directors' fees, including attendance fees for board and committee
   meetings, are allocated among all Lord Abbett-sponsored funds based on the
   net assets of each fund. A portion of the fees payable by the Fund to its
   outside directors is being deferred under a plan that deems the deferred
   amounts to be invested in shares of the Fund for later distribution to the
   directors.

2. The amounts in Column 3 were accrued by the Lord Abbett-Sponsored Funds for
   the 12 months ended October 31, 1998 with respect to the equity based plans
   established for independent directors in 1996. This plan supercedes a
   previously approved retirement plan for all future directors. Current
   directors had the option to convert their accrued benefits under the
   retirement plan. All of the outside directors except one made such an
   election. Each plan also provides for a pre-retirement death benefit and
   actuarially reduced joint-and-survivor spousal benefits.

3. This column shows aggregate compensation, including directors fees and
   attendance fees for board and committee meetings, of a nature referred to in
   footnote one, accrued by the Lord Abbett-sponsored funds during the year
   ended December 31, 1998. The amounts of the aggregate compensation payable by
   the Fund as of December 31, 1998 deemed invested in Fund shares, including
   dividends reinvested and changes in net asset value applicable to such deemed
   investments, were: Mr. Bigelow, $31,694; Mr. Calhoun, $5,735; Mr. Dixon,
   $32,763; Mr. Jansing, $100,161; Mr. MacDonald, $41,389; Mr. Millican,
   $100,939 and Mr. Neff, $103,424. If the amounts deemed invested in Fund
   shares were added to each director's actual holdings of Fund shares as of
   December 31, 1998, each would own, the following: Mr. Bigelow, 31,365 shares;
   Mr. Calhoun, 607 shares; Mr. Dixon, 4,000 shares; Mr. Jansing, 11,369 shares;
   Mr. MacDonald, 68,445 shares; Mr. Millican, 10,681 shares; and Mr. Neff,
   11,473 shares.

4. Mr. Jansing chose to continue to receive benefits under the retirement plan,
   which provides that outside directors (trustees) may receive annual
   retirement benefits for life equal to their final annual retainer following
   retirement at or after age 72 with at least ten years of service. Thus, if
   Mr. Jansing were to retire and the annual retainer payable by the funds were
   the same as it is today, he would receive annual retirement benefits of
   $50,000.

Except where indicated, the following executive officers of the Fund have been
associated with Lord Abbett for over five years. Of the following, Messrs.
Brown, Carper, Hilstad, Morris, Towle and Walsh are partners of Lord Abbett; the
others are employees:

EXECUTIVE VICE PRESIDENT:

Christopher Towle, age 41

VICE PRESIDENTS:

Paul A. Hilstad, age 56, Vice President and Secretary (with Lord Abbett since
1995 - formerly Senior Vice President and General Counsel of American Capital
Management & Research, Inc.)

Zane E. Brown, age 47

Daniel E. Carper, age 47

                                       5



<PAGE>


Lawrence H. Kaplan, age 42 (with Lord Abbett since 1997 formerly vice president
and Chief Counsel of Salomon Brothers Asset Management Inc from 1995 to 1997,
prior thereto Senior Vice President, Director and General Counsel of Kidder
Peabody Asset Management, Inc.)

Robert G. Morris, age 54

A.Edward Oberhaus III, age 39

Keith F. O'Connor, age 43

John J. Walsh, age 63

TREASURER:

Donna M. McManus, age 38 (with Lord Abbett since 1996, formerly a Senior Manager
at Deloitte & Touche LLP)

The Fund's By-Laws provide that the Fund shall not hold an annual meeting of its
stockholders in any year unless one or more matters are required to be acted on
by stockholders under the Act, or unless called by a majority of the Board of
Directors or by stockholders holding at least one quarter of the stock of the
Fund outstanding and entitled to vote at the meeting. When any such annual
meeting is held, the stockholders will elect directors and vote on the approval
of the independent auditors of the Fund.

As of April 15, 1999, our officers and directors as a group owned less than 1%
of our outstanding shares.
As of April 15, 1999, the record holders of 5% or more of the fund's outstanding
shares were as follows:

<TABLE>
<CAPTION>
        Class A                                  Class P
        -------                                  -------
<S>                                      <C>
Edward Jones & Co. - 30%                 Smith Barney Corporate Trust - 99.62%
201 Progress Pkwy                        2 Tower Center
Maryland Hts, MO 63043                   P.O. Box 1063
                                         East Brunswick, NJ 08816

MLPF&S/Benefit of its Customers - 6%
4800 Deer Lake Dr E Fl 3
Jacksonville, FL 32246

<CAPTION>

       Class C
       -------
<S>
Edward Jones & Co. - 13%
201 Progress Pkwy
Maryland Hts, MO 63043

MLPF&S/Benefit of its Customers - 44%
4800 Deer Lake Dr E Fl 3
Jacksonville, FL 32246
</TABLE>

                                       3.
                     INVESTMENT ADVISORY AND OTHER SERVICES

As described under "Management" in the Prospectus, Lord Abbett is the Fund's
investment manager. Of the general partners of Lord Abbett, the officers and/or
directors of the Fund are: Zane E. Brown, Daniel E. Carper, Robert S. Dow, Paul
A. Hilstad, Robert G. Morris, Christopher Towle and John J. Walsh. The other
general partners are: Stephen I. Allen, John E. Erard, Robert P. Fetch, Daria L.
Foster, Robert I. Gerber, W. Thomas Hudson, Stephen J. McGruder, Michael B.
McLaughlin, Robert J. Noelke, and Robert M. Pennington. The address of each
partner is The General Motors Building, 767 Fifth Avenue, New York, New York
10153-0203.

The services performed by Lord Abbett are described in the Prospectus under
"Management." Under the Management Agreement, we are obligated to pay Lord
Abbett a monthly fee, based on average daily net assets for each month, at the
annual rate of .50 of 1% of the Fund's first $500 million of average daily net
assets and .45% of such assets over $500

                                       6



<PAGE>


million. This fee is allocated among Classes A, B and C based on the classes
proportionate shares of such average daily net assets. For the fiscal years
ended December 31, 1998, 1997 and 1996, the management fees paid to Lord Abbett
amounted to $14,835,355, $11,621,344, and $7,802,104, respectively.

We pay all expenses not expressly assumed by Lord Abbett, including, without
limitation, 12b-1 expenses, outside directors' fees and expenses, association
membership dues, legal and auditing fees, taxes, transfer and dividend
disbursing agent fees, shareholder servicing costs, expenses relating to
shareholder meetings, expenses of preparing, printing and mailing stock
certificates and shareholder reports, expenses of registering our shares under
federal and state securities laws, expenses of preparing, printing and mailing
prospectuses to existing shareholders, insurance premiums, brokerage and other
expenses connected with executing portfolio transactions.

The Bank of New York ("BNY"), 48 Wall Street, New York, New York, is the Fund's
custodian. In accordance with the requirements of Rule 17f-5, the Fund's
directors have approved arrangements permitting the Fund's foreign assets not
held by BNY or its foreign branches to be held by certain qualified foreign
banks and depositories.

Deloitte & Touche LLP, Two World Financial Center, New York, New York 10281 are
the independent auditors of the Fund and must be approved at least annually by
our Board of Directors to continue in such capacity. Independent auditors
perform audit services for the Fund, including the audit of financial statements
included in our annual report to shareholders.

                                       4.
                             PORTFOLIO TRANSACTIONS

Our policy is to obtain best execution on all our portfolio transactions, which
means that we seek to have purchases and sales of portfolio securities executed
at the most favorable prices, considering all costs of the transaction including
brokerage commissions and dealer markups and markdowns and taking into account
the full range and quality of the brokers' services. Consistent with obtaining
best execution, the Fund may pay, as described below, a higher commission than
some brokers might charge on the same transaction. This policy governs the
selection of brokers or dealers and the market in which the transaction is
executed. To the extent permitted by law, we may, if considered advantageous,
make a purchase from or sale to another Lord Abbett-sponsored fund without the
intervention of any broker-dealer.

Broker-dealers are selected on the basis of their professional capability and
the value and quality of their brokerage and research services. Normally, the
selection is made by traders who are officers of the Fund and also are employees
of Lord Abbett. These traders do the trading as well for other accounts --
investment companies (of which they are also officers) and other investment
clients -- managed by Lord Abbett. They are responsible for obtaining best
execution.

We pay a commission rate that we believe is appropriate to give maximum
assurance that our brokers will provide us, on a continuing basis, the highest
level of brokerage services available. While we do not always seek the lowest
possible commissions on particular trades, we believe that our commission rates
are in line with the rates that many other institutions pay. Our traders are
authorized to pay brokerage commissions in excess of those that other brokers
might accept on the same transactions in recognition of the value of the
services performed by the executing brokers, viewed in terms of either the
particular transaction or the overall responsibilities of Lord Abbett with
respect to us and the other accounts they manage. Such services include showing
us trading opportunities including blocks, a willingness and ability to take
positions in securities, knowledge of a particular security or market, proven
ability to handle a particular type of trade, confidential treatment, promptness
and reliability.

Some of our brokers also provide research services at least some of which are
useful to Lord Abbett in their overall responsibilities with respect to us and
the other accounts they manage. Research includes the furnishing of analyses and
reports concerning issuers, industries, securities, economic factors and trends,
portfolio strategy and the performance of accounts and trading equipment and
computer software packages, acquired from third-party suppliers, that enable
Lord Abbett to access various information bases. Such services may be used by
Lord Abbett in servicing all their accounts, and not all of such services will
necessarily be used by Lord Abbett in connection with their management of the
Fund; conversely, such services furnished in connection with brokerage on other
accounts managed by Lord Abbett

                                       7



<PAGE>


may be used in connection with their management of the Fund; and not all of such
services will necessarily be used by Lord Abbett in connection with their
advisory services to such other accounts. We have been advised by Lord Abbett
that research services received from brokers cannot be allocated to any
particular account, are not a substitute for Lord Abbett's services but are
supplemental to their own research effort and, when utilized, are subject to
internal analysis before being incorporated by Lord Abbett into their investment
process. As a practical matter, it would not be possible for Lord Abbett to
generate all of the information presently provided by brokers. While receipt of
research services from brokerage firms has not reduced Lord Abbett's normal
research activities, the expenses of Lord Abbett could be materially increased
if it attempted to generate such additional information through its own staff
and purchased such equipment and software packages directly from the suppliers.
No commitments are made regarding the allocation of brokerage business to or
among brokers, and trades are executed only when they are dictated by investment
decisions of the Fund to purchase or sell portfolio securities.

If two or more broker-dealers are considered capable of offering the equivalent
likelihood of best execution, the broker-dealer who has sold our shares and/or
shares of other Lord Abbett-sponsored funds may be preferred.

If other clients of Lord Abbett buy or sell the same security at the same time
as we do, transactions will, to the extent practicable, be allocated among all
participating accounts in proportion to the amount of each order and will be
executed daily until filled so that each account shares the average price and
commission cost of each day. Other clients who direct that their brokerage
business be placed with specific brokers or who invest through wrap accounts
introduced to Lord Abbett by certain brokers may not participate with us in the
buying and selling of the same securities as described above. If these clients
wish to buy or sell the same security as we do, they may have their transactions
executed at times different from our transactions and thus may not receive the
same price or incur the same commission cost as we do.

We will not seek "reciprocal" dealer business (for the purpose of applying
commissions in whole or in part for our benefit or otherwise) from dealers as
consideration for the direction to them of portfolio business.

During the fiscal years ending December 31, 1998, 1997, and 1996, we paid total
commissions to independent broker-dealers of $19,393,923, $14,773,720, and
$8,760,174, respectively.

                                       5.
                             PURCHASES, REDEMPTIONS
                            AND SHAREHOLDER SERVICES

Information concerning how we value our shares for the purchase and redemption
of our shares is contained in the Prospectus under "Purchases" and
"Redemptions," respectively.

As disclosed in the Prospectus, we calculate our net asset value as of the close
of the New York Stock Exchange ("NYSE") on each day that the NYSE is open for
trading by dividing our total net assets by the number of shares outstanding at
the time of calculation. The NYSE is closed on Saturdays and Sundays and the
following holidays -- New Year's Day, Martin Luther King, Jr. Day, Presidents'
Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving and
Christmas.

The Fund values its portfolio securities at market value as of the close of the
NYSE. Market value will be determined as follows: securities listed or admitted
to trading privileges on the New York or American Stock Exchange or on the
NASDAQ National Market System are valued at the last sales price, or, if there
is no sale on that day, at the mean between the last bid and asked prices, or,
in the case of bonds, in the over-the-counter market if, in the judgment of the
Fund's officers, that market more accurately reflects the market value of the
bonds. Over-the-counter securities not traded on the NASDAQ National Market
System are valued at the mean between the last bid and asked prices.

                                       8



<PAGE>


Securities for which market quotations are not available are valued at fair
market value under procedures approved by the Board of Directors.

The maximum offering price of Class A shares on December 31, 1998 was computed
as follows:

<TABLE>
<CAPTION>
                                                         Class A
                                                         -------
<S>                                                      <C>
Net asset value per share (net assets divided
by shares outstanding)                                   $ 9.45

Maximum offering price per share (net asset
value divided by .9525)                                  $ 9.92
</TABLE>

The net asset value per share for the Class B, C and P shares is determined in
the same manner as for the Class A shares (net assets divided by shares
outstanding). Our Class B, C and P shares are offered at net asset value.

The Fund has entered into a distribution agreement with Lord Abbett Distributor
LLC, a New York limited liability company ("Lord Abbett Distributor") and
subsidiary of Lord Abbett under which Lord Abbett Distributor is obligated to
use its best efforts to find purchasers for the shares of the Fund, and to make
reasonable efforts to sell Fund shares so long as, in Lord Abbett Distributor's
judgment, a substantial distribution can be obtained by reasonable efforts.

For the last three fiscal years Lord Abbett, as the Fund's principal
underwriter, received net commissions after allowance of a portion of the sales
charge to independent dealers with respect to Class A shares as follows:

<TABLE>
<CAPTION>
Year Ended December 31,
                                 1998           1997            1996
                                 ----           ----            ----
<S>                          <C>             <C>             <C>
Gross sales charge           $17,440,941     $12,867,756     $14,739,450
Amount allowed to dealers    $14,988,816     $11,119,368     $12,711,165
                             -----------     -----------     -----------
Net commissions
received by Lord Abbett      $ 2,452,125     $ 1,748,388     $ 2,028,285
                             ===========     ===========     ===========
</TABLE>

CONVERSION OF CLASS B SHARES. The conversion of Class B shares on the eighth
anniversary of their purchase is subject to the continuing availability of a
private letter ruling from the Internal Revenue Service, or an opinion of
counsel or tax adviser, to the effect that the conversion of Class B shares does
not constitute a taxable event for the holder under Federal income tax law. If
such a revenue ruling or opinion is no longer available, the automatic
conversion feature may be suspended, in which event no further conversions of
Class B shares would occur while such suspension remained in effect. Although
Class B shares could then be exchanged for Class A shares on the basis of
relative net asset value of the two classes, without the imposition of a sales
charge or fee, such exchange could constitute a taxable event for the holder.

ALTERNATIVE SALES ARRANGEMENTS

CLASSES OF SHARES. The Fund offers investors five different classes of shares.
This Prospectus offers four of those classes designated Class A, B, C and P. The
different classes of shares represent investments in the same portfolio of
securities but are subject to different expenses and will likely have different
share prices. Investors should read this section carefully to determine which
class represents the best investment option for their particular situation.

CLASS A SHARES. If you buy Class A shares, you pay an initial sales charge on
investments of less than $1 million (or

                                       9



<PAGE>


on investments for employer-sponsored retirement plans under the Internal
Revenue Code (hereinafter referred to as "Retirement Plans") with less than 100
eligible employees or on investments that do not qualify to be under a "special
retirement wrap program" as a program sponsored by an authorized institution
showing one or more characteristics distinguishing it, in the opinion of Lord
Abbett Distributor from a mutual fund wrap fee program). If you purchase Class A
shares as part of an investment of at least $1 million (or for Retirement Plans
with at least 100 eligible employees or under a special retirement wrap program)
in shares of one or more Lord Abbett-sponsored funds, you will not pay an
initial sales charge, but if you redeem any of those shares within 24 months
after the month in which you buy them, you may pay to the Fund a contingent
deferred sales charge ("CDSC") of 1% except for redemptions under a special
retirement wrap program. Class A shares are subject to service and distribution
fees that are currently estimated to total annually approximately 0.28 of 1% of
the annual net asset value of the Class A shares. The initial sales charge
rates, the CDSC and the Rule 12b-1 plan applicable to the Class A shares are
described in "Buying Class A Shares" below.

CLASS B SHARES. If you buy Class B shares, you pay no sales charge at the time
of purchase, but if you redeem your shares before the sixth anniversary of
buying them, you will normally pay a CDSC to Lord Abbett Distributor LLC ("Lord
Abbett Distributor"). That CDSC varies depending on how long you own shares.
Class B shares are subject to service and distribution fees at an annual rate of
1% of the annual net asset value of the Class B shares. The CDSC and the Rule
12b-1 plan applicable to the Class B shares are described in "Buying Class B
Shares" below.

CLASS C SHARES. If you buy Class C shares, you pay no sales charge at the time
of purchase, but if you redeem your shares before the first anniversary of
buying them, you will normally pay the Fund a CDSC of 1%. Class C shares are
subject to service and distribution fees at an annual rate of 1% of the annual
net asset value of the Class C shares. The CDSC and the Rule 12b-1 plan
applicable to the C shares are described in "Buying Class C Shares" below.

CLASS P SHARES. If you buy Class P shares, you pay no sales charge at the time
of purchase, and if you redeem your shares you pay no CDSC. Class P shares are
subject to service and distribution fees at an annual rate of .45 of 1% of the
average daily net asset value of the Class P shares. The Rule 12b-1 plan
applicable to the Class P shares is described in "Class P Rule 12b-1 Plan."
Class P shares are available to a limited number of investors.

WHICH CLASS OF SHARES SHOULD YOU CHOOSE? Once you decide that the Fund is an
appropriate investment for you, the decision as to which class of shares is
better suited to your needs depends on a number of factors which you should
discuss with your financial adviser. The Fund's class-specific expenses and the
effect of the different types of sales charges on your investment will affect
your investment results over time. The most important factors are how much you
plan to invest and how long you plan to hold your investment. If your goals and
objectives change over time and you plan to purchase additional shares, you
should re-evaluate those factors to see if you should consider another class of
shares.

In the following discussion, to help provide you and your financial adviser with
a framework in which to choose a class, we have made some assumptions using a
hypothetical investment in the Fund. We used the sales charge rates that apply
to Class A, Class B and Class C, and considered the effect of the higher
distribution fees on Class B and Class C expenses (which will affect your
investment return). Of course, the actual performance of your investment cannot
be predicted and will vary, based on the Fund's actual investment returns, the
operating expenses borne by each class of shares, and the class of shares you
purchase. The factors briefly discussed below are not intended to be investment
advice, guidelines or recommendations, because each investor's financial
considerations are different. The discussion below of the factors to consider in
purchasing a particular class of shares assumes that you will purchase only one
class of shares and not a combination of shares of different classes.

HOW LONG DO YOU EXPECT TO HOLD YOUR INVESTMENT? While future financial needs
cannot be predicted with certainty, knowing how long you expect to hold your
investment will assist you in selecting the appropriate class of shares. For
example, over time, the reduced sales charges available for larger purchases of
Class A shares may offset the effect of paying an initial sales charge on your
investment, compared to the effect over time of higher class-specific expenses
on Class B or Class C shares for which no initial sales charge is paid. Because
of the effect of class-based expenses, your choice should also depend on how
much you plan to invest.

                                       10



<PAGE>


Investing for the Short Term. If you have a short-term investment horizon (that
is, you plan to hold your shares for not more than six years), you should
probably consider purchasing Class A or Class C shares rather than Class B
shares. This is because of the effect of the Class B CDSC if you redeem before
the sixth anniversary of your purchase, as well as the effect of the Class B
distribution fee on the investment return for that class in the short term.
Class C shares might be the appropriate choice (especially for investments of
less than $100,000), because there is no initial sales charge on Class C shares,
and the CDSC does not apply to amounts you redeem after holding them one year.

However, if you plan to invest more than $100,000 for the short term, then the
more you invest and the more your investment horizon increases toward six years,
the more attractive the Class A share option may become. This is because the
annual distribution fee on Class C shares will have a greater impact on your
account over the longer term than the reduced front-end sales charge available
for larger purchases of Class A shares. For example, Class A might be more
appropriate than Class C for investments of more than $100,000 expected to be
held for 5 or 6 years (or more). For investments over $250,000 expected to be
held 4 to 6 years (or more), Class A shares may become more appropriate than
Class C. If you are investing $500,000 or more, Class A may become more
desirable as your investment horizon approaches 3 years or more.

For most investors who invest $1 million or more or for Retirement Plans with at
least 100 eligible employees or for investments pursuant to a special retirement
wrap program, in most cases Class A shares will be the most advantageous choice,
no matter how long you intend to hold your shares. For that reason, it may not
be suitable for you to place a purchase order for Class B shares of $500,000 or
more or a purchase order for Class C shares of $1,000,000 or more. In addition,
it may not be suitable for you to place an order for Class B or C shares for a
Retirement Plan with at least 100 eligible employees or for a special retirement
wrap program. You should discuss this with your financial advisor.

Investing for the Longer Term. If you are investing for the longer term (for
example, to provide for future college expenses for your child) and do not
expect to need access to your money for seven years or more, Class B shares may
be an appropriate investment option, if you plan to invest less than $100,000.
If you plan to invest more than $100,000 over the long term, Class A shares will
likely be more advantageous than Class B shares or Class C shares, as discussed
above, because of the effect of the expected lower expenses for Class A shares
and the reduced initial sales charges available for larger investments in Class
A shares under the Fund's Rights of Accumulation. Of course, these examples are
based on approximations of the effect of current sales charges and expenses on a
hypothetical investment over time, and should not be relied on as rigid
guidelines.

ARE THERE DIFFERENCES IN ACCOUNT FEATURES THAT MATTER TO YOU? Some account
features are available in whole or in part to Class A, Class B and Class C
shareholders. Other features (such as Systematic Withdrawal Plans) might not be
advisable in non-Retirement Plan accounts for Class B shareholders (because of
the effect of the CDSC on the entire amount of a withdrawal if it exceeds 12%
annually) and in any account for Class C shareholders during the first year of
share ownership (due to the CDSC on withdrawals during that year). See
"Systematic Withdrawal Plan" under "Shareholder Services" in the Prospectus for
more information about the 12% annual waiver of the CDSC. You should carefully
review how you plan to use your investment account before deciding which class
of shares you buy. For example, the dividends payable to Class B and Class C
shareholders will be reduced by the expenses borne solely by each of these
classes, such as the higher distribution fee to which Class B and Class C shares
are subject, as described below.

HOW DOES IT AFFECT PAYMENTS TO MY BROKER? A salesperson, such as a broker, or
any other person who is entitled to receive compensation for selling Fund shares
may receive different compensation for selling one class than for selling
another class. As discussed in more detail below, such compensation is primarily
paid at the time of sale in the case of Class A and B shares and is paid over
time, so long as shares remain outstanding, in the case of Class C shares. It is
important that investors understand that the primary purpose of the CDSC for the
Class B shares and the distribution fee for Class B and Class C shares is the
same as the purpose of the front-end sales charge on sales of Class A shares: to
compensate brokers and other persons selling such shares. The CDSC, if payable,
supplements the Class B distribution fee and reduces the Class C distribution
fee expenses for the Fund and Class C shareholders.

                                       11



<PAGE>


CLASS A, B AND C RULE 12B-1 PLANS. As described in the Prospectus, the Fund has
adopted a Distribution Plan and Agreement pursuant to Rule 12b-1 of the Act for
each of the three Fund Classes: the "A Plan," the "B Plan" and the "C Plan,"
respectively. In adopting each Plan and in approving its continuance, the Board
of Directors has concluded that there is a reasonable likelihood that each Plan
will benefit its respective Class and such Classes shareholders. The expected
benefits include greater sales and lower redemptions of Class shares, which
should allow each Class to maintain a consistent cash flow, and a higher quality
of service to shareholders by authorized institutions than would otherwise be
the case. During the last fiscal year, the Fund accrued or paid through Lord
Abbett to authorized institutions $ 5,369,967 under the A Plan, $ 2,452,228
under the B Plan and $ 3,466,612 under the C Plan. Lord Abbett used all amounts
received under each Plan for payments to dealers for (i) providing continuous
services to shareholders, such as answering shareholder inquiries, maintaining
records, and assisting shareholders in making redemptions, transfers, additional
purchases and exchanges and (ii) their assistance in distributing shares of the
Fund.

Each Plan requires the directors to review, on a quarterly basis, written
reports of all amounts expended pursuant to the Plan and the purposes for which
such expenditures were made. Each Plan shall continue in effect only if its
continuance is specifically approved at least annually by vote of the directors,
including a majority of the directors who are not interested persons of the Fund
and who have no direct or indirect financial interest in the operation of the
Plan or in any agreements related to the Plan ("outside directors"), cast in
person at a meeting called for the purpose of voting on the Plan. No Plan may be
amended to increase materially above the limits set forth therein the amount
spent for distribution expenses thereunder without approval by a majority of the
outstanding voting securities of the applicable class and the approval of a
majority of the directors, including a majority of the outside directors. Each
Plan may be terminated at any time by vote of a majority of the outside
directors or by vote of a majority of its Class's outstanding voting securities.

CONTINGENT DEFERRED SALES CHARGES. A Contingent Deferred Sales Charge ("CDSC")
(i) applies regardless of class, (ii) will not apply to shares purchased by the
reinvestment of dividends or capital gains distributions; (iii) will be assessed
on the lesser of the net asset value of the shares at the time of redemption or
the original purchase price and (iv) will not be imposed on the amount of your
account value represented by the increase in net asset value over the initial
purchase price (including increases due to the reinvestment of dividends and
capital gains distributions) and upon early redemption of shares. In the case of
Class A shares, this increase is represented by shares having an aggregate
dollar value in your account. In the case of Class B and C shares, this increase
is represented by that percentage of each share redeemed where the net asset
value exceeded the initial purchase price.

CLASS A SHARES. As stated in the Prospectus, subject to certain exceptions, a
CDSC of 1% is imposed with respect to those Class A shares (or Class A shares of
another Lord Abbett-sponsored fund or series acquired through exchange of such
shares) on which the Fund has paid the one-time distribution fee of 1% if such
shares are redeemed out of the Lord Abbett-sponsored family of funds within a
period of 24 months from the end of the month in which the original sale
occurred.

CLASS B SHARES. As stated in the Prospectus, subject to certain exceptions, if
Class B shares (or Class B shares of another Lord Abbett-sponsored fund or
series acquired through exchange of such shares) are redeemed out of the Lord
Abbett-sponsored family of funds for cash before the sixth anniversary of their
purchase, a CDSC will be deducted from the redemption proceeds. The Class B CDSC
is paid to Lord Abbett Distributor to reimburse its expenses, in whole or in
part, for providing distribution-related service to the Fund in connection with
the sale of Class B shares.

To determine whether the CDSC applies to a redemption, the Fund redeems shares
in the following order: (1) shares acquired by reinvestment of dividends and
capital gains distributions, (2) shares held on or after the sixth anniversary
of their purchase, and (3) shares held the longest before such sixth
anniversary.

The amount of the contingent deferred sales charge will depend on the number of
years since you invested and the dollar amount being redeemed, according to the
following schedule:

                                      12





<PAGE>



<TABLE>
<CAPTION>
Anniversary of the Day on                     Contingent Deferred Sales Charge
Which the Purchase Order Was Accepted         on Redemptions (As % of Amount Subject to Charge)
<S>                                           <C>
Before the 1st                                5.0%
On the 1st, before the 2nd                    4.0%
On the 2nd, before the 3rd                    3.0%
On the 3rd, before the 4th                    3.0%
On the 4th, before the 5th                    2.0%
On the 5th, before the 6th                    1.0%
On or after the 6th anniversary               None
</TABLE>

In the table, an "anniversary" is the same calendar day in each respective year
after the date of purchase. For example, the anniversaries for shares purchased
on May 1 will be May 1 of each succeeding year. All purchases are considered to
have been made on the business day on which the purchase order was accepted.

CLASS C SHARES. As stated in the Prospectus, subject to certain exceptions if
Class C shares are redeemed for cash before the first anniversary of their
purchase, the redeeming shareholder will be required to pay to the Fund on
behalf of Class C shares a CDSC of 1% of the lower of cost or the then net asset
value of Class C shares redeemed. If such shares are exchanged into the same
class of another Lord Abbett-sponsored fund and subsequently redeemed before the
first anniversary of their original purchase, the charge will be collected by
the other fund on behalf of this Fund's Class C shares.

GENERAL. The percentage (1% in the case of Class A and C shares and 5% through
1% in the case of Class B shares) used to calculate CDSCs described above for
the Class A, Class B and Class C shares is sometimes hereinafter referred to as
the "Applicable Percentage."

With respect to Class A and Class B shares, no CDSC is payable on redemptions by
participants or beneficiaries from employer-sponsored retirement plans under the
Internal Revenue Code for benefit payments due to plan loans, hardship
withdrawals, death, retirement or separation from service and for returns of
excess contributions to retirement plan sponsors. With respect to Class A shares
purchased pursuant to a special retirement wrap program, no CDSC is payable on
redemptions which continue as investments in another fund participating in the
program. With respect to Class B shares, no CDSC is payable for redemptions (i)
in connection with Systematic Withdrawal Plan and Div-Move services as described
below under those headings, (ii) in connection with mandatory distribution under
403(b) plans and IRAs and (iii) in connection with death of the shareholder. In
the case of Class A and Class C shares, the CDSC is received by the Fund and is
intended to reimburse all or a portion of the amount paid by the Fund if the
shares are redeemed before the Fund has had an opportunity to realize the
anticipated benefits of having a long-term shareholder account in the Fund. In
the case of Class B shares, the CDSC is received by Lord Abbett Distributor and
is intended to reimburse its expenses of providing distribution-related service
to the Fund (including recoupment of the commission payments made) in connection
with the sale of Class B shares before Lord Abbett Distributor has had an
opportunity to realize its anticipated reimbursement by having such a long-term
shareholder account subject to the B Plan distribution fee.

The other funds and series which participate in the Telephone Exchange Privilege
(except (a) Lord Abbett U.S. Government Securities Money Market Fund, Inc.
("GSMMF"), (b) certain series of Lord Abbett Tax-Free Income Fund and Lord
Abbett Tax-Free Income Trust for which a Rule 12b-1 Plan is not yet in effect,
and (c) any authorized institution's affiliated money market fund satisfying
Lord Abbett Distributor as to certain omnibus account and other criteria,
hereinafter referred to as an "authorized money market fund" or "AMMF"
(collectively, the "Non-12b-1 Funds")) have instituted a CDSC for each class on
the same terms and conditions. No CDSC will be charged on an exchange of shares
of the same class between Lord Abbett funds or between such funds and AMMF. Upon
redemption of shares out of the Lord Abbett family of funds or out of AMMF, the
CDSC will be charged on behalf of and paid: (i) to the fund in which the
original purchase (subject to a CDSC) occurred, in the case of the Class A and
Class C shares and (ii) to Lord Abbett Distributor if the original purchase was
subject to a CDSC, in the case of the Class B shares. Thus, if shares of a Lord
Abbett fund are exchanged for shares of the same class of another such fund and
the shares of the same class tendered ("Exchanged Shares") are subject to a
CDSC, the CDSC will carry over to the shares of the same class being acquired,
including GSMMF and AMMF ("Acquired Shares"). Any CDSC that is carried over to
Acquired Shares is calculated as if the holder of the Acquired Shares had held
those shares from the date on which he or she became the holder of the Exchanged
Shares. Although the Non-12b-1 Funds will not pay a distribution fee on their
own shares, and will, therefore, not impose their own CDSC, the Non-12b-1 Funds
will collect the CDSC (a) on

                                       13



<PAGE>


behalf of other Lord Abbett funds, in the case of the Class A and Class C
shares and (b) on behalf of Lord Abbett Distributor, in the case of the Class B
shares. Acquired Shares held in GSMMF and AMMF which are subject to a CDSC will
be credited with the time such shares are held in GSMMF but will not be credited
with the time such shares are held in AMMF. Therefore, if your Acquired Shares
held in AMMF qualified for no CDSC or a lower Applicable Percentage at the time
of exchange into AMMF, that Applicable Percentage will apply to redemptions for
cash from AMMF, regardless of the time you have held Acquired Shares in AMMF.

In no event will the amount of the CDSC exceed the Applicable Percentage of the
lesser of (i) the net asset value of the shares redeemed or (ii) the original
cost of such shares (or of the Exchanged Shares for which such shares were
acquired). No CDSC will be imposed when the investor redeems (i) shares
representing an aggregate dollar amount of your account, in the case of Class A
shares, (ii) that percentage of each share redeemed, in the case of Class B and
C shares, derived from increases in the value of the shares above the total cost
of shares being redeemed due to increases in net asset value, (iii) shares with
respect to which no Lord Abbett fund paid a 12b-1 fee and, in the case of Class
B shares, Lord Abbett Distributor paid no sales charge or service fee (including
shares acquired through reinvestment of dividend income and capital gains
distributions) or (iv) shares which, together with Exchanged Shares, have been
held continuously for 24 months from the end of the month in which the original
sale occurred (in the case of Class A shares); for six years or more (in the
case of Class B shares) and for one year or more (in the case of Class C
shares). In determining whether a CDSC is payable, (a) shares not subject to the
CDSC will be redeemed before shares subject to the CDSC and (b) of the shares
subject to a CDSC, those held the longest will be the first to be redeemed.

EXCHANGES. The Prospectus briefly describes the Telephone Exchange Privilege.
You may exchange some or all of your shares of any class for those in the same
class of: (i) Lord Abbett-sponsored funds currently offered to the public with a
sales charge (front-end, back-end or level ), (ii) GSMMF or (iii) AMMF, to the
extent offers and sales may be made in your state. You should read the
prospectus of the other fund before exchanging. In establishing a new account by
exchange, shares of the Fund being exchanged must have a value equal to at least
the minimum initial investment required for the other fund into which the
exchange is made.

Shareholders in other Lord Abbett-sponsored funds and AMMF have the same right
to exchange their shares for the corresponding class of the Fund's shares.
Exchanges are based on relative net asset values on the day instructions are
received by the Fund in Kansas City if the instructions are received prior to
the close of the NYSE in proper form. No sales charges are imposed except in the
case of exchanges out of GSMMF or AMMF (unless a sales charge (front-end,
back-end or level) was paid on the initial investment in a Lord Abbett-sponsored
fund). Exercise of the exchange privilege will be treated as a sale for federal
income tax purposes, and, depending on the circumstances, a gain or loss may be
recognized. In the case of an exchange of shares that have been held for 90 days
or less where no sales charge is payable on the exchange, the original sales
charge incurred with respect to the exchanged shares will be taken into account
in determining gain or loss on the exchange only to the extent such charge
exceeds the sales charge that would have been payable on the acquired shares had
they been acquired for cash rather than by exchange. The portion of the original
sales charge not so taken into account will increase the basis of the acquired
shares.

Shareholders have the exchange privilege unless they refuse it in writing. You
should not view the exchange privilege as a means for taking advantage of
short-term swings in the market, and we reserve the right to terminate or limit
the privilege of any shareholder who makes frequent exchanges. We can revoke or
modify the privilege for all shareholders upon 60 days' prior notice. "Eligible
Funds" are AMMF and other Lord Abbett-sponsored funds which are eligible for the
exchange privilege, except Lord Abbett Series Fund ("LASF") which offers its
shares only in connection with certain variable annuity contracts, Lord Abbett
Equity Fund ("LAEF") which is not issuing shares, and series of Lord Abbett
Research Fund not offered to the general public ("LARF").

STATEMENT OF INTENTION. Under the terms of the Statement of Intention as
described in the Prospectus you may invest $100,000 or more over a 13-month
period in shares of a Lord Abbett-sponsored fund (other than shares of LAEF,
LASF, LARF, GSMMF and AMMF, unless holdings in GSMMF and AMMF are attributable
to shares exchanged from a Lord Abbett-sponsored fund offered with a front-end,
back-end or level sales charge). Shares currently owned by you are credited as
purchases (at their current offering prices on the date the Statement is signed)
toward achieving the stated investment and reduced initial sales charge for
Class A shares. Class A shares valued at 5% of the amount of intended purchases
are escrowed and may be redeemed to cover the additional sales charge payable if
the Statement of Intention

                                       14



<PAGE>


is not completed. The Statement of Intention is neither a binding obligation on
you to buy, nor on the Fund to sell, the full amount indicated.

RIGHTS OF ACCUMULATION. As stated in the Prospectus, purchasers (as defined in
the Prospectus) may accumulate their investment in Lord Abbett-sponsored funds
(other than LAEF, LARF, LASF, GSMMF, and AMMF unless holdings in GSMMF or AMMF
are attributable to shares exchanged from a Lord Abbett-sponsored fund offered
with a front-end, back-end or level sales charge) so that a current investment,
plus the purchaser's holdings valued at the current maximum offering price,
reach a level eligible for a discounted sales charge for Class A shares.

NET ASSET VALUE PURCHASES OF CLASS A SHARES. As stated in the Prospectus, our
Class A shares may be purchased at net asset value by our directors, employees
of Lord Abbett, employees of our shareholder servicing agent and employees of
any securities dealer having a sales agreement with Lord Abbett who consents to
such purchases or by the director or custodian under any pension or
profit-sharing plan or Payroll Deduction IRA established for the benefit of such
persons or for the benefit of employees of any national securities trade
organization to which Lord Abbett belongs or any company with an account(s) in
excess of $10 million managed by Lord Abbett on a private-advisory-account
basis. For purposes of this paragraph, the terms "directors" and "employees"
include a director's or employee's spouse (including the surviving spouse of a
deceased director or employee). The terms "our directors" and "employees of Lord
Abbett" also include retired directors and employees and other family members
thereof.

Our Class A shares also may be purchased at net asset value (a) at $1 million or
more, (b) with dividends and distributions from Class A shares of other Lord
Abbett-sponsored funds, except for LARF, LAEF and LASF, (c) under the loan
feature of the Lord Abbett-sponsored prototype 403(b) plan for share purchases
representing the repayment of principal and interest, (d) by certain authorized
brokers, dealers, registered investment advisers or other financial institutions
who have entered into an agreement with Lord Abbett Distributor in accordance
with certain standards approved by Lord Abbett Distributor, providing
specifically for the use of our shares in particular investment products made
available for a fee to clients of such brokers, dealers, registered investment
advisers and other financial institutions, ("mutual fund wrap fee program"), (e)
by employees, partners and owners of unaffiliated consultants and advisors to
Lord Abbett, Lord Abbett Distributor or Lord Abbett-sponsored funds who consent
to such purchase if such persons provide service to Lord Abbett, Lord Abbett
Distributor or such funds on a continuing basis and are familiar with such
funds, (f) through Retirement Plans with at least 100 eligible employees, (g) in
connection with a merger, acquisition or other reorganization (h) through a
"special retirement wrap program" sponsored by an authorized institution having
one or more characteristics distinguishing it, in the opinion of Lord Abbett
Distributor, from a mutual fund wrap program. Such characteristics include,
among other things, the fact that an authorized institution does not charge its
clients any fee of a consulting or advisory nature that is economically
equivalent to the distribution fee under Class A 12b-1 Plan and the fact that
the program relates to participant-directed Retirement Plan. Shares are offered
at net asset value to these investors for the purpose of promoting goodwill with
employees and others with whom Lord Abbett Distributor and/or the Fund has
business relationships.

REDEMPTIONS. A redemption order is in proper form when it contains all of the
information and documentation required by the order form or supplementally by
Lord Abbett Distributor or the Fund to carry out the order. The signature(s) and
any legal capacity of the signer(s) must be guaranteed by an eligible guarantor.
See the Prospectus for expedited redemption procedures.

The right to redeem and receive payment, as described in the Prospectus, may be
suspended if the NYSE is closed (except for weekends or customary holidays),
trading on the NYSE is restricted or the Securities and Exchange Commission
deems an emergency to exist.

Our Board of Directors may authorize redemption of all of the shares in any
account in which there are fewer than 25 shares. Before authorizing such
redemption, the Board must determine that it is in our economic best interest or
necessary to reduce disproportionately burdensome expenses in servicing
shareholder accounts. At least 6 months' prior written notice will be given
before any such redemption, during which time shareholders may avoid redemption
by bringing their accounts up to the minimum set by the Board.

                                       15



<PAGE>

DIV-MOVE. Under the Div-Move service described in the Prospectus, you can invest
the dividends paid on your account of any class into an existing account of the
same class in any other Eligible Fund. The account must be either your account,
a joint account for you and your spouse, a single account for your spouse, or a
custodial account for your minor child under the age of 21. You should read the
prospectus of the other fund before investing.

INVEST-A-MATIC. The Invest-A-Matic method of investing in the Fund and/or any
other Eligible Fund is described in the Prospectus. To avail yourself of this
method you must complete the application form, selecting the time and amount of
your bank checking account withdrawals and the funds for investment, include a
voided, unsigned check and complete the bank authorization.

SYSTEMATIC WITHDRAWAL PLANS. The Systematic Withdrawal Plan ("SWP") also is
described in the Prospectus. You may establish a SWP if you own or purchase
uncertificated shares having a current offering price value of at least $10,000.
Lord Abbett prototype retirement plans have no such minimum. With respect to
Class B shares the CDSC will be waived on redemptions of up to 12% per year of
the current net asset value of your account at the time the SWP is established.
For Class B share redemptions over 12% per year, the CDSC will apply to the
entire redemption. Therefore, please contact the Fund for assistance in
minimizing the CDSC in this situation. With respect to Class C shares, the CDSC
will be waived on and after the first anniversary of their purchase. The SWP
involves the planned redemption of shares on a periodic basis by receiving
either fixed or variable amounts at periodic intervals. Since the value of
shares redeemed may be more or less than their cost, gain or loss may be
recognized for income tax purposes on each periodic payment. Normally, you may
not make regular investments at the same time you are receiving systematic
withdrawal payments because it is not in your interest to pay a sales charge on
new investments when in effect a portion of that new investment is soon
withdrawn. The minimum investment accepted while a withdrawal plan is in effect
is $1,000. The SWP may be terminated by you or by us at any time by written
notice.

RETIREMENT PLANS. The Prospectus indicates the types of retirement plans for
which Lord Abbett provides forms and explanations. Lord Abbett makes available
the retirement plan forms including 401(k) plans and custodial agreements for
IRAs (Individual Retirement Accounts, including Traditional, Education, Roth and
SIMPLE IRAs and Simplified Employee Pensions), 403(b) plans and qualified
pension and profit-sharing plans. The forms name Investors Fiduciary Trust
Company as custodian and contain specific information about the plans excluding
401(k) plans. Explanations of the eligibility requirements, annual custodial
fees and allowable tax advantages and penalties are set forth in the relevant
plan documents. Adoption of any of these plans should be on the advice of your
legal counsel or qualified tax adviser.

                                       6.
                                PAST PERFORMANCE

The Fund computes the average annual compounded rate of total return for each
class during specified periods that would equate the initial amount invested to
the ending redeemable value of such investment by adding one to the computed
average annual total return, raising the sum to a power equal to the number of
years covered by the computation and multiplying the result by one thousand
dollars which represents a hypothetical initial investment. The calculation
assumes deduction of the maximum sales charge (as described in the next
paragraph) from the amount invested and reinvestment of all income dividends and
capital gains distributions on the reinvestment dates at prices calculated as
stated in the Prospectus. The ending redeemable value is determined by assuming
a complete redemption at the end of the period covered by the average annual
total return computation.

In calculating total returns for Class A shares, the current maximum sales
charge of 4.75% (as a percentage of the offering price) is deducted from the
initial investment (unless the return is shown at net asset value). For Class B
shares, the payment of the applicable CDSC (5.0% prior to the first anniversary
of purchase, 4.0% prior to the second anniversary of purchase, 3.0% prior to the
third and fourth anniversaries of purchase, 2.0% prior to the fifth anniversary
of purchase, 1.0% prior to the sixth anniversary of purchase and no CDSC on and
after the sixth anniversary of purchase) is applied to the Fund's investment
result for that class for the time period shown (unless the total return is
shown at net asset value). For Class C shares, the 1.0% CDSC is applied to the
Fund's investment result for that class for the time period shown prior to the
first anniversary of purchase (unless the total return is shown at net asset
value). Total returns also assume that all dividends and capital gains
distributions during the period are reinvested at net asset value per share, and
that the investment is redeemed at the end of the period.

                                       16



<PAGE>


Using the computation method described above, the Fund's average annual
compounded rates of total return for the last one, five and ten fiscal year(s)
ending on December 31, 1998 were as follows: (.20) %, 7.14% and 9.82% for the
Fund's Class A shares, respectively. The total return for Class B shares for the
fiscal year ending on December 31, 1998 and for the period August 1, 1996
through December 31, 1998 were (.86)%, and 8.19%, respectively. For Class C
shares for the fiscal year ending December 31, 1998 and for the period July 15,
1996 through December 31, 1998, the total returns were 3.01%, and 9.69%,
respectively.

Yield quotation for each Class is based on a 30-day period ended on a specified
date, computed by dividing our net investment income per share earned during the
period by the maximum offering price per share of such Class on the last day of
the period. This is determined by finding the following quotient: take the
Class' dividends and interest earned during the period minus its expenses
accrued for the period and divide by the product of (i) the average daily number
of shares of such Class outstanding during the period that were entitled to
receive dividends and (ii) the maximum offering price per share of such Class on
the last day of the period. To this quotient add one. This sum is multiplied by
itself five times. Then one is subtracted from the product of this
multiplication and the remainder is multiplied by two. Yield for the Class A
shares reflects the deduction of the maximum initial sales charge, but may also
be shown based on the Fund's net asset value per share. Yields for Class B and C
shares do not reflect the deduction of the CDSC. For the 30-day period ended
December 31, 1998, the yield for the Class A, B and C shares of the Fund were
8.00%, 7.65% and 7.65%, respectively.

These figures represent past performance, and an investor should be aware that
the investment return and principal value of a Fund investment will fluctuate so
that an investor's shares, when redeemed, may be worth more or less than their
original cost. Therefore, there is no assurance that this performance will be
repeated in the future.

                                       7.
                                      TAXES

The value of any shares redeemed by the Fund or repurchased or otherwise sold
may be more or less than your tax basis in the shares at the time of
disposition. Any gain will generally be taxable for federal income tax purposes.
Any loss realized on the disposition of Fund shares which you have held for six
months or less will be treated for tax purposes as a long-term capital loss to
the extent of any "capital gains distributions" which you received with respect
to such shares. Losses on the sale of shares are not deductible if, within a
period beginning 30 days before the date of the sale and ending 30 days after
the date of the sale, the taxpayer acquires shares that are substantially
identical.

The Fund will be subject to a 4% non-deductible excise tax on certain amounts
not distributed or treated as having been distributed on a timely basis each
calendar year. The Fund intends to distribute to shareholders each year an
amount adequate to avoid the imposition of such excise tax.

The writing of call options and other investment techniques and practices which
the Fund may utilize may affect the character and timing of the recognition of
gains and losses by the Fund. Such transactions may increase the amount of
short-term capital gain realized by the Fund, which is taxed as ordinary income
when distributed to shareholders.

The Fund may be subject to foreign withholding taxes which would reduce the
yield on its investments. It is generally expected that Fund shareholders who
are subject to United States federal income tax will not be entitled to claim a
federal income tax credit or deduction for foreign income taxes paid by the
Fund.

Gain and loss realized by the Fund on certain transactions, including sales of
foreign debt securities and certain transactions involving foreign currency,
will be treated as ordinary income or loss for federal income tax purposes to
the extent, if any, that such gains or losses are attributable to changes in
exchange rates for foreign currencies. Accordingly, distributions taxable as
ordinary income will include the net amount, if any, of such foreign exchange
gains and will be reduced by the net amount, if any, of such foreign exchange
losses.

If the Fund purchases shares in certain foreign investment entities called
"passive foreign investment companies," it may be subject to United States
federal income tax on a portion of any "excess distribution" or gain from the
disposition of

                                       17



<PAGE>


such shares, even if such income is distributed as a taxable dividend by the
Fund to its shareholders. Additional charges in the nature of interest may be
imposed on either the Fund or its shareholders in respect of deferred taxes
arising from such distributions or gains. If the Fund were to make a "qualified
electing fund" election with respect to its investment in a passive foreign
investment company, in lieu of the foregoing requirements, the Fund might be
required to include in income each year a portion of the ordinary earnings and
net capital gains of the qualified electing fund, even if such amount were not
distributed to the Fund.

Dividends paid by the Fund will qualify for the dividends-received deduction for
corporations to the extent they are derived from dividends paid by domestic
corporations. The foregoing discussion relates solely to U. S. federal income
tax law as applicable to United States persons (United States citizens or
residents and United States domestic corporations, partnerships, trusts and
estates). Each shareholder who is not a United States person should consult his
or her tax adviser regarding the U. S. and foreign tax consequences of the
ownership of shares of the Fund, including a 30% (or lower treaty rate) United
States withholding tax on dividends representing ordinary income and net
short-term capital gains, and the applicability of United States gift and estate
taxes.

                                       8.
                           INFORMATION ABOUT THE FUND

The directors, trustees and officers of Lord Abbett-sponsored mutual funds,
together with the partners and employees of Lord Abbett, are permitted to
purchase and sell securities for their personal investment accounts. In engaging
in personal securities transactions, however, such persons are subject to
requirements and restrictions contained in the Fund's Code of Ethics which
complies, in substance, with each of the recommendations of the Investment
Company Institute's Advisory Group on Personal Investing. Among other things,
the Code requires that Lord Abbett partners and employees obtain advance
approval before buying or selling securities, submit confirmations and quarterly
transaction reports, and obtain approval before becoming a director of any
company; and it prohibits such persons from investing in a security 7 days
before or after any Lord Abbett-sponsored fund or Lord Abbett-managed account
considers a trade or trades in such security, from profiting on trades of the
same security within 60 days and from trading on material and non-public
information. The Code imposes certain similar requirements and restrictions on
the independent directors and trustees of each Lord Abbett-sponsored mutual fund
to the extent contemplated by the recommendations of the Advisory Group.

                                       9.
                              FINANCIAL STATEMENTS

The financial statements for the fiscal year ended December 31, 1998 and the
report of Deloitte & Touche LLP, independent auditors, on such financial
statements contained in the 1998 Annual Report to Shareholders of Lord Abbett
Bond-Debenture Fund, Inc. are incorporated herein by reference to such financial
statements and report, in reliance upon the authority of Deloitte & Touche LLP
as experts in auditing and accounting.

                                       10.
                                    APPENDIX

                             CORPORATE BOND RATINGS

Moody's Investors Service, Inc.'s Corporate Bond Ratings

Aaa - Bonds which are rated Aaa are judged to be of the best quality and 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 the best bonds because margins

                                       18





<PAGE>



of protection may not be as large as in Aaa securities, 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 lacking or may be characteristically unreliable over any great
length of time. Such bonds lack outstanding investment characteristics and, in
fact, 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 both 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 a desirable
investment. Assurance of interest and principal payments or of maintenance and
other terms of the contract over any long period of time may be small.

Caa - Bonds that 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 that are rated Ca represent obligations which are speculative in a
high degree. Such issues are often in default or have other marked shortcomings.

C - Bonds that 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.

Standard & Poor's Corporation's Corporate Bond Ratings

AAA - This is the highest rating assigned by Standard & Poor's to a debt
obligation and indicates an extremely strong capacity to pay principal and
interest.

AA - Bonds rated AA also qualify as high-quality debt obligations. Capacity to
pay principal and interest is very strong and in the majority of instances they
differ from AAA issues only in small degree.

A - Bonds rated A have a strong capacity to pay principal and interest, although
they are somewhat more susceptible to the adverse effects of changes in
circumstances and economic conditions.

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

BB-B-CCC-CC-C - Debt rated BB, B, CCC, CC and C is regarded as having
predominately speculative characteristics with respect to capacity to pay
interest and repay principal. 'BB' indicates the least degree of speculation and
'CCC' the highest. While such debt will likely have some quality and protective
characteristics, these are outweighed by large uncertainties or major risk
exposures to adverse conditions.

D - Debt rated 'D' is in payment default. The 'D' rating category is used when
interest payments or principal payments are not made on the date due even if the
applicable grace period has not expired, unless S&P believes such payments will
be made during such grace period. The 'D' rating also will be used upon the
filing of a bankruptcy petition if debt service payments are jeopardized.

                                       19






<PAGE>



PART C OTHER INFORMATION

Item 23. Exhibits

         (a) Articles of Incorporation. Incorporated by reference. .Restated
             Articles of Incorporation. Incorporated by reference to
             Post-Effective Amendment No. 17 to the Registration Statement on
             Form N-1A filed on April 30, 1998.
         (b) By-Laws. Incorporated by reference to Post-Effective Amendment No.
             47 to the Registration Statement on Form N-1A filed on February 26,
             1999.
         (c) Instruments Defining Rights of Security Holders. Incorporated by
             reference.
         (d) Investment Advisory Contracts. Incorporated by reference.
         (e) Underwriting Contracts. Incorporated by reference.
         (f) Bonus or Profit Sharing Incorporated by reference.
         (g) Custodian Agreements. Incorporated by reference.
         (h) Other Material Contracts. Incorporated by reference.
         (i) Legal Opinions.
         (j) Other Opinions.
         (k) Omitted Financial Statements. Incorporated by reference.
         (l) Initial Capital Agreements. Incorporated by reference.
         (m) Rule 12b-1 Plan. Incorporated by reference.
         (n) Financial Data Schedule.
         (o) Rule 18f-3 Plan. Incorporated by reference to Post-Effective
             Amendment No. 40 to the Registration Statement on Form N-1A filed
             on May 14, 1996.

Item 24. Persons Controlled by or Under Common Control with the Fund.

         None.

Item 25. Indemnification

         Registrant is incorporated under the laws of the State of Maryland and
         is subject to Section 2-418 of the Corporations and Associations
         Article of the Annotated Code of the State of Maryland controlling the
         indemnification of directors and officers. Since Registrant has its
         executive offices in the State of New York, and is qualified as a
         foreign corporation doing business in such State, the persons covered
         by the foregoing statute may also be entitled to and subject to the
         limitations of the indemnification provisions of Section 721-726 of the
         New York Business Corporation Law.

         The general effect of these statutes is to protect officers, directors
         and employees of Registrant against legal liability and expenses
         incurred by reason of their positions with the Registrant. The statutes
         provide for indemnification for liability for proceedings not brought
         on behalf of the corporation and for those brought on behalf of the
         corporation, and in each case place conditions under which
         indemnification will be permitted, including requirements that the
         officer, director or employee acted in good faith. Under certain
         conditions, payment of expenses in advance of final disposition may be
         permitted. The By-Laws of Registrant, without limiting the authority of
         Registrant to indemnify any of its officers, employees or agents to the
         extent consistent with applicable law, makes the indemnification of its
         directors mandatory subject only to the conditions and limitations
         imposed by the above-mentioned Section 2-418 of Maryland Law and by the
         provisions of Section 17(h) of the Investment Company Act of 1940 as
         interpreted and required to be implemented by SEC Release No. IC-11330
         of September 4, 1980.

         In referring in its By-Laws to, and making indemnification of directors
         subject to the conditions and limitations of, both Section 2-418 of the
         Maryland Law and Section 17(h) of the Investment Company Act of 1940,
         Registrant intends that conditions and limitations on the extent of the
         indemnification of directors imposed by the provisions of either
         Section 2-418 or Section 17(h) shall apply and that any inconsistency

                                       1



<PAGE>


         between the two will be resolved by applying the provisions of said
         Section 17(h) if the condition or limitation imposed by Section 17(h)
         is the more stringent. In referring in its By-Laws to SEC Release No.
         IC-11330 as the source for interpretation and implementation of said
         Section 17(h), Registrant understands that it would be required under
         its By-Laws to use reasonable and fair means in determining whether
         indemnification of a director should be made and undertakes to use
         either (1) a final decision on the merits by a court or other body
         before whom the proceeding was brought that the person to be
         indemnified ("indemnitee") was not liable to Registrant or to its
         security holders by reason of willful malfeasance, bad faith, gross
         negligence, or reckless disregard of the duties involved in the conduct
         of his office ("disabling conduct") or (2) in the absence of such a
         decision, a reasonable determination, based upon a review of the facts,
         that the indemnitee was not liable by reason of such disabling conduct,
         by (a) the vote of a majority of a quorum of directors who are neither
         "interested persons" (as defined in the 1940 Act) of Registrant nor
         parties to the proceeding, or (b) an independent legal counsel in a
         written opinion. Also, Registrant will make advances of attorneys' fees
         or other expenses incurred by a director in his defense only if (in
         addition to his undertaking to repay the advance if he is not
         ultimately entitled to indemnification) (1) the indemnitee provides a
         security for his undertaking, (2) Registrant shall be insured against
         losses arising by reason of any lawful advances, or (3) a majority of a
         quorum of the non-interested, non-party directors of Registrant, or an
         independent legal counsel in a written opinion, shall determine, based
         on a review of readily available facts, that there is reason to believe
         that the indemnitee ultimately will be found entitled to
         indemnification.

         Insofar as indemnification for liability 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 that in the opinion of 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 expense 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.

         In addition, Registrant maintains a directors' and officers' errors and
         omissions liability insurance policy protecting directors and officers
         against liability for breach of duty, negligent act, error or omission
         committed in their capacity as directors or officers. The policy
         contains certain exclusions, among which is exclusion from coverage for
         active or deliberate dishonest or fraudulent acts and exclusion for
         fines or penalties imposed by law or other matters deemed uninsurable.

Item 26. Business and Other Connections of Investment Adviser

         Lord, Abbett & Co. acts as investment advisor for twelve, other
         open-end investment companies (of which it is principal underwriter for
         thirteen) and as investment adviser to approximately 6,220 private
         accounts. Other than acting as directors and/or officers of open-end
         investment companies managed by Lord, Abbett & Co., none of Lord,
         Abbett & Co.'s partners has, in the past two fiscal years, engaged in
         any other business, profession, vocation or employment of a substantial
         nature for his own account or in the capacity of director, officer,
         employee, partner or trustee of any entity.

Item 27. Principal Underwriter

         (a) Lord Abbett Affiliated Fund, Inc.
             Lord Abbett Bond-Debenture Fund, Inc.
             Lord Abbett  Mid-Cap Value Fund, Inc.
             Lord Abbett Developing Growth Fund, Inc.
             Lord Abbett Tax-Free Income Fund, Inc.

                                       2



<PAGE>


             Lord Abbett U.S. Government  Securities Money Market Fund, Inc.
             Lord Abbett Series Fund, Inc.
             Lord Abbett Equity Fund
             Lord Abbett Tax-Free Income Trust
             Lord Abbett Securities Trust
             Lord Abbett Investment Trust
             Lord Abbett Research Fund, Inc.

             Investment Adviser
             American Skandia Trust (Lord Abbett Growth and Income Portfolio)

         (b) The partners of Lord, Abbett & Co. are:
<TABLE>
<CAPTION>
             Name and Principal       Positions and Offices
             Business Address(1)      with Registrant
             -------------------      ---------------
            <S>                       <C>
             Robert S. Dow            Chairman and President
             Christopher J. Towle     Executive Vice President
             Paul A. Hilstad          Vice President & Secretary
             Zane E. Brown            Vice President
             Daniel E. Carper         Vice President
             Robert G. Morris         Vice President
             John J. Walsh            Vice President
</TABLE>
             The other partners who are neither officers nor directors of the
             Fund are, as follows: Stephen Allen, John E. Erard, Robert B.
             Fetch, Daria L. Foster, Robert I. Gerber, W. Thomas Hudson, Stephen
             I. McGruder, Michael B. McLaughlin ,Robert J. Noelke, and Mark R.
             Pennington.

             Each of the above has a principal business address at 767 Fifth
             Avenue, New York, NY 10153

         (c) Not applicable

Item 28. Location of Accounts and Records

             Registrant maintains the records required by Rules 31a - 1(a) and
             (b) and 31a - 2(a) at its main office.

             Lord, Abbett & Co. maintains the records required by Rules 31a -
             1(f) and 31a - 2(e) at its main office.

             Certain records such as canceled stock certificates and
             correspondence may be physically maintained at the main office of
             the Registrant's Transfer Agent, Custodian, or Shareholder
             Servicing Agent within the requirements of Rule 31a-3.

Item 29. Management Services

         None

Item 30. Undertakings

         The Registrant undertakes to furnish each person to whom a prospectus
         is delivered with a copy of the Registrant's latest annual report to
         shareholders, upon request and without charge.

                                       3



<PAGE>


         The registrant undertakes, if requested to do so by the holders of at
         least 10% of the registrant's outstanding shares, to call a meeting of
         shareholders for the purpose of voting upon the question of removal of
         a director or directors and to assist in communications with other
         shareholders as required by Section 16(c).



                                  4



<PAGE>




                                   SIGNATURES

      Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Fund certifies that it meets all of the
requirements for effectiveness of this registration statement under rule 485(b)
under the Securities Act and has duly caused this Registration Statement to be
signed on its behalf by the undersigned, duly authorized, in the City of New
York, and State of New York on the 26th day of April, 1999.

                                        BY:  /s/   Lawrence H. Kaplan
                                             ----------------------------------
                                             Lawrence H. Kaplan
                                             Vice President

                                        LORD ABBETT BOND-DEBENTURE FUND, INC.

                                5




<PAGE>




      Pursuant to the requirements of the Securities Act, this Registration
Statement has been signed below by the following persons in the capacities and
on the dates indicated.

<TABLE>
<CAPTION>
Signatures                             Title                          Date
- ----------                             -----                          ----
<S>                              <C>                             <C>
/s/ Robert S. Dow*               Chairman, President             April 26, 1999
- ----------------------------     and Director Trustee
Robert S. Dow

/s/ E. Thayer Bigelow*           Director/Trustee                April 26, 1999
- ----------------------------
E. Thayer Bigelow

/s/ William H. T. Bush*          Director/Trustee                April 26, 1999
- ----------------------------
William H. T. Bush

/s/ Robert B. Calhoun, Jr*       Director/Trustee                April 26, 1999
- ----------------------------
Robert B. Calhoun, Jr.

/s/ Stewart S. Dixon*            Director/Trustee                April 26, 1999
- ----------------------------
Stewart S. Dixon

/s/ John C. Jansing*             Director/Trustee                April 26, 1999
- ----------------------------
John C. Jansing

/s/ C. Alan MacDonald*           Director/Trustee                April 26, 1999
- ---------------------------
C. Alan MacDonald

/s/ Hansel B. Millican, Jr.*     Director/Trustee                April 26, 1999
- ----------------------------
Hansel B. Millican, Jr.

/s/ Thomas J. Neff*              Director/Trustee                April 26, 1999
- ----------------------------
Thomas J. Neff


*BY: /s/ Lawrence H. Kaplan
     -----------------------
     Lawrence H. Kaplan
     Attorney-in-Fact

</TABLE>

                                    6



                              STATEMENT OF DIFFERENCES
                              ------------------------

The trademark symbol shall be expressed as................................ 'TM'




<PAGE>

                                                           





        April 27, 1999

Lord Abbett Bond-Debenture Fund, Inc.
The GM Building
767 Fifth Avenue
New York, New York 10153-0203

Dear Sirs:

         You have requested our opinion in connection with your filing of
Post-Effective Amendment Nos. 49 and 50 to the Registration Statement on Form
N-1A (the "Post-Effective Amendment") under the Investment Company Act, as
amended (the "Act"), of Lord Abbett Bond-Debenture Fund, Inc., a Maryland
corporation (the "Company"), and in connection therewith your registration of
shares of capital stock, par value of $.001 per share, of the Company (the
"Shares").

         We have examined and relied upon originals, or copies certified to our
satisfaction, of such company records, documents, certificates and other
instruments as in our judgment are necessary or appropriate to enable us to
render the opinion set forth below.


<PAGE>



Bond-Debenture Fund, Inc. 2 April 27, 1999


         We are of the opinion that the Shares issued in the continuous offering
have been duly authorized and, assuming the issuance of the Shares for cash at
net asset value and receipt by the Company of the consideration therefor as set
forth in the Post-Effective Amendment and to the extent such Shares remain
outstanding, the Shares have been and will be validly issued, fully paid and
nonassessable.


         We express no opinion as to matters governed by any laws other than the
General Corporation Laws of the State of Maryland and the federal laws of the
United States. We consent to the filing of this opinion solely in connection
with the Post-Effective Amendment. In giving such consent, we do not hereby
admit that we come within the category of persons whose consent is required
under Section 7 of the Act or the rules and regulations of the Securities and
Exchange Commission thereunder.

                                            Very truly yours,


                                            Debevoise & Plimpton



 





<PAGE>


CONSENT OF INDEPENDENT AUDITORS


Lord Abbett Bond-Debenture Fund, Inc.:

We consent to the incorporation by reference in Post-Effective  Amendment No. 49
to  Registration  Statement  No.  2-38910 of our report dated  February 12, 1999
appearing in the Annual Report to  Shareholders  for the year ended December 31,
1998,  and to the references to us under the caption  "Financial  Highlights" in
the Prospectus and under the captions  "Investment  Advisory and Other Services"
and "Financial Statements" appearing in the Statement of Additional Information,
both of which are part of such Registration Statement.




DELOITTE & TOUCHE LLP
New York, New York
April 26, 1999

<PAGE>

<TABLE> <S> <C>

<ARTICLE>                     6
<CIK>                         0000060365
<NAME>                        LORD ABBETT BOND-DEBENTURE FUND, INC.
<SERIES>
<NUMBER>                      001
<NAME>                        CLASS A
       
 <S>                            <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<INVESTMENTS-AT-COST>                    3,616,426,413
<INVESTMENTS-AT-VALUE>                   3,535,881,019
<RECEIVABLES>                              162,665,854
<ASSETS-OTHER>                               2,976,923
<OTHER-ITEMS-ASSETS>                        29,985,667
<TOTAL-ASSETS>                           3,731,509,463
<PAYABLE-FOR-SECURITIES>                   184,616,562
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                    6,769,144
<TOTAL-LIABILITIES>                        191,385,706
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                 3,623,974,594
<SHARES-COMMON-STOCK>                      245,646,010
<SHARES-COMMON-PRIOR>                      230,629,371
<ACCUMULATED-NII-CURRENT>                    5,601,096
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     (9,187,309)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   (80,545,397)
<NET-ASSETS>                             3,540,123,756
<DIVIDEND-INCOME>                           10,703,212
<INTEREST-INCOME>                          272,130,958
<OTHER-INCOME>                                       0
<EXPENSES-NET>                              19,395,246
<NET-INVESTMENT-INCOME>                    174,508,852
<REALIZED-GAINS-CURRENT>                    52,159,873
<APPREC-INCREASE-CURRENT>                 (161,964,155)
<NET-CHANGE-FROM-OPS>                      137,554,499
<EQUALIZATION>                               2,086,963
<DISTRIBUTIONS-OF-INCOME>                  174,256,684
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                     57,590,947
<NUMBER-OF-SHARES-REDEEMED>                 34,857,399
<SHARES-REINVESTED>                         10,683,312
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<ACCUMULATED-GAINS-PRIOR>                   61,347,182
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                       14,835,355
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                             19,395,246
<AVERAGE-NET-ASSETS>                     2,223,112,322
<PER-SHARE-NAV-BEGIN>                             9.76
<PER-SHARE-NII>                                   0.76
<PER-SHARE-GAIN-APPREC>                           (.31)
<PER-SHARE-DIVIDEND>                              (.76)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.45
<EXPENSE-RATIO>                                    .88
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE>                     6
<CIK>                         0000060365
<NAME>                        LORD ABBETT BOND-DEBENTURE FUND, INC.
<SERIES>
<NUMBER>                      002
<NAME>                        CLASS B
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<INVESTMENTS-AT-COST>                    3,616,426,413
<INVESTMENTS-AT-VALUE>                   3,535,881,019
<RECEIVABLES>                              162,665,854
<ASSETS-OTHER>                               2,976,923
<OTHER-ITEMS-ASSETS>                        29,985,667
<TOTAL-ASSETS>                           3,731,509,463
<PAYABLE-FOR-SECURITIES>                   184,616,562
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                    6,769,144
<TOTAL-LIABILITIES>                        191,385,706
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                 3,623,974,594
<SHARES-COMMON-STOCK>                       71,056,722
<SHARES-COMMON-PRIOR>                       54,380,250
<ACCUMULATED-NII-CURRENT>                    5,601,096
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     (9,187,309)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   (80,545,397)
<NET-ASSETS>                             3,540,123,756
<DIVIDEND-INCOME>                           10,703,212
<INTEREST-INCOME>                          272,130,958
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               8,333,912
<NET-INVESTMENT-INCOME>                     37,419,727
<REALIZED-GAINS-CURRENT>                    52,159,873
<APPREC-INCREASE-CURRENT>                 (161,964,155)
<NET-CHANGE-FROM-OPS>                      137,554,499
<EQUALIZATION>                               2,086,963
<DISTRIBUTIONS-OF-INCOME>                   36,713,105
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                     36,377,830
<NUMBER-OF-SHARES-REDEEMED>                  5,892,847
<SHARES-REINVESTED>                          2,140,183
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<ACCUMULATED-NII-PRIOR>                      5,940,360
<ACCUMULATED-GAINS-PRIOR>                   61,347,182
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                       14,835,355
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              8,333,912
<AVERAGE-NET-ASSETS>                       524,138,844
<PER-SHARE-NAV-BEGIN>                             9.75
<PER-SHARE-NII>                                   0.69
<PER-SHARE-GAIN-APPREC>                           (.31)
<PER-SHARE-DIVIDEND>                              (.69)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.44
<EXPENSE-RATIO>                                   1.60
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE>                     6
<CIK>                         0000060365
<NAME>                        LORD ABBETT BOND-DEBENTURE FUND, INC.
<SERIES>
<NUMBER>                      003
<NAME>                        CLASS C
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
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<INVESTMENTS-AT-COST>                    3,616,426,413
<INVESTMENTS-AT-VALUE>                   3,535,881,019
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<SENIOR-LONG-TERM-DEBT>                              0
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<TOTAL-LIABILITIES>                        191,385,706
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                 3,623,974,594
<SHARES-COMMON-STOCK>                       55,110,236
<SHARES-COMMON-PRIOR>                       50,039,024
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<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     (9,187,309)
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<REALIZED-GAINS-CURRENT>                    52,159,873
<APPREC-INCREASE-CURRENT>                 (161,964,155)
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<PER-SHARE-NII>                                   0.69
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<EXPENSE-RATIO>                                   1.60
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE>                     6
<CIK>                         0000060365
<NAME>                        LORD ABBETT BOND-DEBENTURE FUND, INC.
<SERIES>
<NUMBER>                      004
<NAME>                        CLASS Y
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             MAR-27-1998
<PERIOD-END>                               DEC-31-1998
<INVESTMENTS-AT-COST>                    3,616,426,413
<INVESTMENTS-AT-VALUE>                   3,535,881,019
<RECEIVABLES>                              162,665,854
<ASSETS-OTHER>                               2,976,923
<OTHER-ITEMS-ASSETS>                        29,985,667
<TOTAL-ASSETS>                           3,731,509,463
<PAYABLE-FOR-SECURITIES>                   184,616,562
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                    6,769,144
<TOTAL-LIABILITIES>                        191,385,706
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                 3,623,974,594
<SHARES-COMMON-STOCK>                        2,946,199
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<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     (9,187,309)
<OVERDISTRIBUTION-GAINS>                             0
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<DIVIDEND-INCOME>                           10,703,212
<INTEREST-INCOME>                          272,130,958
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  80,940
<NET-INVESTMENT-INCOME>                      1,117,535
<REALIZED-GAINS-CURRENT>                    52,159,873
<APPREC-INCREASE-CURRENT>                 (161,964,155)
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<DISTRIBUTIONS-OTHER>                                0
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<NUMBER-OF-SHARES-REDEEMED>                    112,756
<SHARES-REINVESTED>                            312,933
<NET-CHANGE-IN-ASSETS>                     673,939,826
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
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<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 80,940
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<PER-SHARE-NAV-BEGIN>                             9.98
<PER-SHARE-NII>                                   0.54
<PER-SHARE-GAIN-APPREC>                          (0.54)
<PER-SHARE-DIVIDEND>                              0.54
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.44
<EXPENSE-RATIO>                                    .46
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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