GUARDIAN BOND FUND INC
485BPOS, 1999-04-30
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      As filed with the Securities and Exchange Commission on April 29, 1999
    

                                                       Registration Nos. 2-81150
                                                                        811-3634
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D. C. 20549

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

                                    FORM N-1A

   
           REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933           |_|
                       POST-EFFECTIVE AMENDMENT No. 19                       |X|
                                       and
       REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940       |_|
                              AMENDMENT No. 20                               |X|
                        (Check appropriate box or boxes)
    

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

                          THE GUARDIAN BOND FUND, INC.
               (Exact Name of Registrant as Specified in Charter)
                 201 Park Avenue South, New York, New York 10003
                    (Address of Principal Executive Offices)
                  Registrant's Telephone Number: (212) 598-8359

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

                                                       Copy to:
       Richard T. Potter, Jr., Esq.             Cathy G. O'Kelly, Esq.
       c/o The Guardian Insurance &         Vedder, Price, Kaufman & Kammholz
           Annuity Company, Inc                222 North LaSalle Street     
         201 Park Avenue South                  Chicago, Illinois 60601     
        New York, New York 10003           
(Name and Address of Agent for Service)

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

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

            |_| immediately upon filing pursuant to paragraph (b) of Rule 485

   
            |X| on May 1, 1999 pursuant to paragraph (b) of Rule 485
    

            |_| 60 days after filing pursuant to paragraph (a)(1) of Rule 485

   
            |_| on May 1, 1999 pursuant to paragraph (a)(1) of Rule 485
    

            |_| 75 days after filing pursuant to paragraph (a)(2) of Rule 485

            |_| 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.

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

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<PAGE>

                            GUARDIAN BOND FUND, INC.
                              CROSS REFERENCE SHEET
                            (as required by Rule 495)

Form N-1A Item No.

Part A

<TABLE>
<S>      <C>                                                                  <C>
Item 1.  Front and Back Cover Pages .....................................     Front and Back Cover Pages

Item 2.  Risk/Return Summary: Investments, Risks, and Performance .......     Investment Objective; The Fund's principal
                                                                              investment strategies; The principal risks of 
                                                                              investing in the Fund; How the Fund has performed

Item 3.  Risk/Return Summary: Fee Table .................................     Fund Management

Item 4.  Investment Objectives, Principal Investment Strategies, and          Investment Objective; The Fund's principal investment
           Related Risks ................................................     strategies; The principal risks of investing in the 
                                                                              Fund; Risks and special investment techniques

Item 5.  Management's Discussion of Fund Performance ................ ...     How the fund has performed

Item 6.  Management, Organization, and Capital Structure ................     Fund Management

Item 7.  Shareholder Information ........................................     Buying and Selling Fund shares

Item 8.  Distribution Arrangements ......................................     Buying and Seeling Fund shares

Item 9.  Financial Highlights Information ...............................     Financial Highlights

Part B

Item 10. Cover Page and Table of Contents ...............................     Cover Page and 

Item 11. Fund History ...................................................     Not Applicable

Item 12. Description of the Fund and Its Investments and Risks ..........     Investment Restrictions; Special Investment Techniques

Item 13. Management of the Fund .........................................     Fund Management

Item 14. Control Persons and Principal Holders of Securities ............     Guardian Life and Other Affiliates

</TABLE>
<PAGE>

<TABLE>
<S>      <C>                                                                  <C>
Item 15. Investment Advisory and Other Services .........................     Investment Adviser; Custodian and Transfer Agent; 
                                                                              Independent Auditors 

Item 16. Brokerage Allocation and Other Practices .......................     Brokerage Allocation

Item 17. Capital Stock and Other Securities .............................     Capital Stock

Item 18. Purchase, Redemption and Pricing of Shares .....................     Not Applicable

Item 19. Taxation of the Fund ...........................................     Not Applicable

Item 20. Underwriters ...................................................     Not Applicable

Item 21. Calculations of Performance Data ...............................     Performance Data

Item 22. Financial Statements ...........................................     Financial Statements
</TABLE>

Part C

Information required to be included in Part C is set forth under the appropriate
item, so numbered, in Part C to this Registration Statement.
<PAGE>
PROSPECTUS
May 1, 1999

THE GUARDIAN
BOND FUND

INVESTMENT OBJECTIVE

THE GUARDIAN BOND FUND'S primary investment objective is to secure maximum
current income without undue risk to principal. Capital appreciation is a
secondary objective.

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Availability of the Fund

Shares of the Fund are offered to the public only through ownership of variable
annuity contracts and variable life insurance policies issued by The Guardian
Insurance & Annuity Company, Inc.

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As with all mutual funds, the Securities and Exchange Commission has not
approved or disapproved the Fund's shares, nor has the Commission determined
that this prospectus is complete or accurate. It is a criminal offense to state
otherwise.

Shares of the Fund are not deposits or obligations of, or guaranteed or endorsed
by, any bank or depository institution, are not federally insured by the Federal
Deposit Insurance Corporation, the Federal Reserve Board or any other agency,
and involve investment risk, including possible loss of the principal amount
invested.

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                                                          P R O S P E C T U S  1
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<PAGE>

      Investment grade securities
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      Investment grade securities are bonds or convertible preferred stock that
      nationally recognized statistical ratings organizations, such as Moody's
      Investors Service, Inc. and Standard & Poor's Ratings Group, rate as Aaa
      or AAA (the highest quality) to Baa or BBB (the fourth highest category).

The Fund's principal investment strategies

At least 80% of the value of the Fund's total assets is usually invested in
different kinds of investment grade debt obligations, such as corporate bonds,
mortgage-backed and asset-backed securities, and obligations of the U.S.
government and its agencies.

   
Guardian Investor Services Corporation (GISC), the Fund's investment adviser,
allocates the Fund's investments among the various sectors of the debt market by
analyzing overall economic conditions within and among these sectors. The Fund
usually diversifies its asset allocations broadly among the debt securities
markets, but may emphasize some sectors over others based on their
attractiveness relative to each other. Within the sector allocations, the
adviser selects individual securities by considering yield, potential
appreciation, credit quality, maturity and degree of risk relative to other
securities in the sector. The Fund generally maintains a stable intermediate
duration, but may lengthen or shorten its duration within the intermediate range
to reflect changes in the overall composition of the investment grade debt
markets.
    

Debt obligations are written promises by the borrower to pay interest for a
specified period and to repay the debt on a specified date or over time.
Interest can be payable at a fixed, variable, or floating rate or, as in the
case of zero coupon bonds, the obligation can be purchased at a discount from
its face value in place of interest.

   
Most of the debt obligations in the Fund are rated investment grade. This means
they are secured or unsecured obligations rated in one of the four highest
categories by a nationally recognized statistical ratings organization such as
Moody's Investors Service, Inc. or Standard & Poor's Ratings Group. If the
securities are unrated they must be deemed to be of comparable quality by GISC,
the Fund's investment adviser. Some of the Fund's assets may have lower ratings,
either because they were downgraded after the Fund acquired them or because they
have strong prospects of being raised to investment grade. Debt securities rated
below investment grade are commonly known as junk bonds, and are described in
the section called Risks and special investment techniques. Normally, less than
10% of the Fund's assets will be invested in lower rated securities.
    

The Fund may invest in mortgage-backed securities. These securities represent
interests in pools of commercial or residential mortgages. The Fund may also
invest in collateralized mortgage obligations, or CMOs, which are backed by
pooled mortgage loans that may be issued or guaranteed by a bank, the U.S.
government or a U.S. government agency. Mortgage-backed securities may be issued
by U.S. government agencies or by private entities. Some mortgage-backed
securities may be backed by the U.S. government.

The Bond Fund may also invest in asset-backed securities. These are similar in
structure to mortgage-backed securities but represent interests in pools of
loans, leases or other receivables in place of mortgages. Asset-backed
securities are issued primarily by non-government entities.


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2  P R O S P E C T U S               T H E   G U A R D I A N   B O N D   F U N D
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<PAGE>

The Bond Fund may invest in so-called Yankee Securities. Yankee securities are
debt securities issued by non-U.S. corporate or government entities, but are
denominated in U.S. dollars. Yankee securities trade and may be settled in U.S.
markets. Additionally, from time to time, the Bond Fund may invest up to 10% of
the value of its total net assets in other foreign securities denominated in
U.S. dollars.

The Fund also invests in Treasury bills, notes and bonds, which are backed by
the U.S. government.

The Bond Fund may engage in dollar roll and reverse repurchase agreement
transactions when the adviser believes it would be advantageous. For more
information, see the section called Risks and special investment techniques.

To earn additional income, the Fund may lend its portfolio securities to
securities dealers, banks and other institutional investors. See Risks and
special investment techniques for more information on securities lending.

The principal risks of investing in the Fund

As with all mutual funds, the value of your investment could decline so you
could lose money. An investment in the Fund exposes you to the general risks of
investing in debt markets. These include interest rate risk (the risk that a
debt obligation's price will be adversely affected by increases in interest
rates), credit risk (the risk that the issuer of the debt obligation will fail
to repay principal and interest), and prepayment risk (the risk that debt
obligations, particularly mortgage-related securities, will be prepaid when
interest rates are lower). Because the Fund may invest up to 10% of its total
net assets in U.S. dollar denominated securities of foreign governments and
other foreign issuers that are settled overseas, you face additional risks.
Foreign investments may be affected by political, social and economic
developments abroad, differences in auditing and other financial standards, and
greater volatility. See the section called Risks and special investment
techniques for a discussion of the debt market and foreign market risks of
investing in this Fund.

Bonds in the Fund's portfolio which are downgraded present extra risks because
the issuer is considered less likely to repay the interest and principal than
issuers of higher-quality bonds. Lower quality debt securities can be more
sensitive to adverse economic conditions, including the issuer's financial
condition or stresses in its industry. While the Fund does not expect to have a
significant portion of its assets in lower-quality debt, you should review the
risks of lower-quality debt investments in the section called Risks and special
investment techniques.

The Fund may invest in zero coupon securities. Since these securities do not pay
interest, they fluctuate more in value than interest-bearing securities. For
more information, see Risks and special investment techniques.


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T H E   G U A R D I A N   B O N D   F U N D               P R O S P E C T U S  3
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<PAGE>

The Fund may experience a relatively high portfolio turnover, resulting in
greater transaction costs, as well as increased short-term capital gains or
losses. This is primarily attributable to GISC's continuing asset allocation
efforts among various sectors of the bond markets.

How the Fund has performed

The bar chart and table below provide some indication of the risks of investing
in the Fund by showing how its performance has varied from year to year for the
last 10 years. The performance figures shown assume that all dividends and
distributions are reinvested in the Fund. This performance information does not
reflect separate account or variable insurance contract fees or charges. If
these fees and charges were reflected, the Fund's returns would be less than
those shown. Past results do not necessarily indicate how the Fund will perform
in the future.

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Highest and lowest quarters

During the period shown in the bar chart, the highest and lowest returns,
respectively, for a quarter were:

Best quarter

7.52% for the quarter ended June 30, 1989.

Worst quarter

(2.27)% for the quarter ended March 31, 1994.

Year-by-year returns
Total returns
(for years ended December 31)

1989 .................................................................... 13.88%
1990 ....................................................................  7.57%
1991 .................................................................... 16.19%
1992 ....................................................................  7.70%
1993 ....................................................................  9.85%
1994 .................................................................... -3.45%
1995 .................................................................... 17.59%
1996 ....................................................................  2.88%
1997 ....................................................................  8.99%
1998 ....................................................................  8.10%

Please refer to the prospectus for the variable annuity contract or variable
life insurance policy that offers the Fund to learn about expenses that will
affect your return.

Average annual total returns

This table shows the Fund's average annual total returns for the periods ending
December 31, 1998. It compares the Fund's performance with the Lehman Aggregate
Bond Index, an index that is generally considered to be representative of U.S.
bond market activity. 

                                                 1 year      5 years    10 years
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The Guardian Bond Fund                            8.10%       6.59%       8.77%
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Lehman Aggregate Bond Index                       8.69%       7.27%       9.26%
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4  P R O S P E C T U S               T H E   G U A R D I A N   B O N D   F U N D
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<PAGE>

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      RISKS AND SPECIAL INVESTMENT TECHNIQUES
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WE'VE ALREADY BRIEFLY DESCRIBED the principal risks of investing in the Fund. In
this section of the prospectus, we also describe the risks in more detail, as
well as some of the special investment techniques the Fund's adviser expects to
use.

PRINCIPAL RISKS TO INVESTORS

Debt risks

   
You could lose money in connection with the Fund's debt investments, or the
Fund's performance could fall below that of other possible investments for the
following reasons:
    

Interest rate risk

The value of the debt obligations in the Fund may vary according to changes in
interest rates. When interest rates rise, bond prices generally fall, and when
interest rates fall, bond prices generally rise. Usually the price of bonds that
must be repaid over longer time periods fluctuate more than shorter-term bonds.
Some debt securities, such as zero coupon bonds and mortgage-backed and
asset-backed securities, may be more sensitive to interest rate changes than
other bonds. If an instrument has a variable rate of interest and a change in
the market rate occurs, there may be a delay before the coupon rate is affected,
and this could adversely affect the Fund's performance.

Credit risk

Investors face the risk that the issuer of debt cannot pay interest or principal
on the money owed. U.S. government securities are substantially protected from
financial or credit risk, since they are backed by the full faith and credit of
the U.S. government. However, certain government-sponsored agencies issue
obligations, which, while of the highest credit quality, are supported only by
the issuer's credit or right to borrow from the U.S. treasury.

Euro Conversion

On January 1, 1999, the European Monetary Union (EMU) launched a new currency,
the Euro. It became the official currency of 11 European countries (Austria,
Belgium, Finland, France, Germany, Ireland, Italy, Luxembourg, the Netherlands,
Portugal and Spain) and replaced individual currencies in those countries. Three
other EU member countries (Denmark, Greece and the United Kingdom) may convert
to the Euro at a later date. It is expected that 46% of the capitalization of
the entire European market will be reflected in Euros, and most participating
governments will issue their bonds in Euros. It is impossible to predict what
effect, if any, the conversion to Euros will have on the Fund. The Euro
conversion presents investors with unique risks and uncertainties, including:

1.    the readiness of Euro payment, clearing and other operational systems;

2.    the legal treatment of debt instruments and financial contracts
      denominated in or referring to existing national currencies rather than
      the Euro;

3.    exchange-rate fluctuations between the Euro and non-Euro currencies during
      the transition period of January 1, 1999 through December 31, 2001 and
      beyond;

4.    potential U.S. tax issues with respect to Fund securities; and

5.    the ability to manage monetary policies among the participating countries.
      These and other factors could adversely affect the value of or income from
      Fund securities.


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T H E   G U A R D I A N   B O N D   F U N D               P R O S P E C T U S  5
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<PAGE>

Prepayment and extension risk 

There is also the possibility that a debt security may be prepaid or "called"
before the money is due, and that the proceeds could be invested at lower
interest rates. Intermediate-term and long-term bonds commonly provide
protection against this possibility, but mortgage-backed securities do not.
Mortgage-backed securities are more sensitive to the risks of prepayment because
they can be prepaid whenever their underlying collateral is prepaid. Conversely,
extension risk is the possibility that in an environment of rising interest
rates, expected prepayments will not be made, with the result that the
security's life will become longer than anticipated. Typically, the security's
value will drop when this occurs.

Manager's selection risk

The investment adviser's judgment about the value or potential appreciation of a
particular bond proves to be incorrect.

Junk bond risk

Junk bonds are below investment grade bonds rated as Ba or BB and lower, and are
also known as high-yield bonds. They may be issued by companies without a long
track record of sales and earnings, or those with questionable credit strength.
The market prices of these securities may fluctuate more than higher-quality
securities and may decline significantly in periods of general or regional
economic difficulty. Lower-quality debt obligations are particularly susceptible
to the risk of default or price changes because of changes in the issuer's
creditworthiness. These securities may also be less liquid, making it more
difficult for the Fund to dispose of them.

Year 2000 considerations

Like other mutual fund companies and financial and business organizations around
the world, the Fund could be adversely affected if our computers or those of our
advisers or other service providers fail to process data properly as of January
1, 2000. Many computer systems cannot distinguish the year 2000 from the year
1900 when they are making date-related calculations, because of the way date
information is stored in these systems.

We are working to address this issue, and expect that all relevant systems will
be able to correctly interpret the year 2000 when that date arrives. As of the
date of this prospectus, we do not anticipate that shareholders will experience
negative effects on their investments or on the services provided in connection
with our Year 2000 conversion. However, we cannot guarantee that our
preparations will be successful.

Everyone involved is making substantial efforts to address their systems and the
systems with which they interface, but it is not possible to provide assurance
that operational problems will not occur. We believe that, with the modification
of existing computer systems, updates by vendors and conversion to new software
and hardware, shareholders will not experience negative effects on their
investments as a result of the year 2000 issue. However, the year 2000 issue, by
its very nature, contains inherent uncertainties, including the uncertainty of
year 2000 readiness of third parties. As a result, we are unable to determine at
this time whether the consequences of year 2000 failures will have a material
adverse effect on our results of operations, liquidity or financial position.

It is possible that the markets for securities in which the Fund invests may be
detrimentally affected by computer failures throughout the financial industry
beginning January 1, 2000 if systems should cease to function at that time. This
may result in trade settlement problems and liquidity issues. Corporate and
governmental data processing errors may result in production problems for
individual companies and overall economic uncertainties. Earnings of individual
issuers may be affected by remediation costs. In addition, it has been reported
that foreign institutions have made less progress in addressing the Year 2000
problem than major U.S. entities, which could make certain Fund investments more
sensitive to these risks.


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6  P R O S P E C T U S               T H E   G U A R D I A N   B O N D   F U N D
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<PAGE>

Lower-quality debt can be particularly sensitive to changes in the economy, the
financial situation of the issuer, or trouble in the issuer's industry. If the
issuer defaults on the loan, the investor could face the additional cost of the
effort to recover some or all of the money. When the economy is uncertain, the
price of these securities could fluctuate more dramatically than the price of
higher-rated debt. It may also be difficult for the Fund to sell these
securities at the time it sees fit.

Foreign market risks

Investing in foreign securities involves additional risks. Foreign securities
may be affected by political, social and economic developments abroad. Financial
markets in foreign countries may be less liquid or more volatile than U.S.
markets. Less information may be available about foreign company operations, and
foreign countries may impose withholding taxes on interest and dividend income.
Government regulations and accounting standards may be less stringent as well.
Brokerage commissions and custodial fees for foreign investments are often
higher than those for investments in U.S. securities. Exchange rates can
adversely affect the value of foreign securities and their dividends or
earnings, irrespective of the underlying performance.

Diversification risk

In order to meet the Fund's investment objectives, the investment adviser must
try to determine the proper mix of securities that will maximize the Fund's
return. It may not properly ascertain the appropriate mix of securities for any
particular economic cycle. Also, the timing of movements from one type of
security to another could have a negative effect on the Fund's overall
objective.

Portfolio turnover

Portfolio turnover refers to the rate at which the securities held by the Fund
are replaced. The higher the rate, the higher the transactional and brokerage
costs associated with the turnover, unless the securities traded can be bought
and sold without corresponding commission costs. Active trading of securities
may also increase the Fund's realized capital gains or losses, which may affect
the taxes you pay as a Fund shareholder.

SPECIAL INVESTMENT TECHNIQUES

Borrowing

The Fund may borrow money for temporary emergency purposes. When the Fund
borrows for any purpose, it will maintain assets in a segregated account to
cover its repayment obligation. The Investment Company Act of 1940 (the 1940
Act) limits borrowings to 33 1/3% of a mutual fund's total assets. The Fund may
commit this or a lesser amount to borrowings, as set forth in the Statement of
Additional Information.


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T H E   G U A R D I A N   B O N D   F U N D               P R O S P E C T U S  7
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<PAGE>

Dollar roll and reverse repurchase transactions

In a dollar roll transaction, the Fund sells mortgage-backed securities for
delivery to the buyer in the current month and simultaneously contracts to
purchase similar securities on a specified future date from the same party. The
securities to be purchased will be of the same type and have the same interest
rate as the sold securities, but will be supported by different mortgage pools.
In a reverse repurchase agreement transaction, the Fund sells securities to a
bank or securities dealer and agrees to repurchase them at an agreed time and
price.

Whenever the Fund enters into a dollar roll or reverse repurchase transaction,
it maintains segregated assets - typically U.S. government securities or liquid,
unencumbered securities - whose value equals or exceeds the value of the forward
commitment or repurchase obligation on a daily basis.

Although dollar rolls and reverse repurchase agreements are considered leveraged
transactions by the Securities and Exchange Commission, GISC believes that they
do not present the risks associated with other types of leveraged transactions.
The Securities and Exchange Commission also has taken the position that these
transactions are borrowings within the meaning of the 1940 Act. See Borrowing,
above.

Illiquid securities and exempt commercial paper

Illiquid securities are either not readily marketable at their approximate value
within seven days, are not registered under the federal securities laws (unless
they are exempt from registration, as noted in the following paragraph), or are
otherwise viewed as illiquid by the Securities and Exchange Commission.
Repurchase agreements that mature in more than seven days, certain variable rate
master demand notes, and over-the-counter options are treated as illiquid
securities. The absence of trading can make it difficult to value or dispose of
illiquid securities. It can also adversely affect the Fund's ability to
calculate its net asset value or manage its portfolio. The Fund's investment
restrictions currently limit the Fund's investments in illiquid securities to
10% of net assets.

Securities which qualify under an exemption from registration under federal
securities laws for resales to institutional investors may be treated by the
Fund as liquid. If the Fund's adviser determines that these securities are
liquid under guidelines adopted by the Board of Directors, they may be purchased
without regard to the illiquidity limits in the Statement of Additional
Information. Similarly, the Fund typically treats commercial paper issued in
reliance on an exemption from registration under federal securities laws as
liquid.


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8  P R O S P E C T U S               T H E   G U A R D I A N   B O N D   F U N D
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<PAGE>

Investment grade securities

Investment grade securities are secured or unsecured debt obligations that
nationally recognized statistical ratings organizations, such as Moody's
Investors Service, Inc. and Standard & Poor's Ratings Group rate as Aaa or AAA
(the highest quality) to Baa or BBB.

Money market instruments

From time to time, the Fund may invest a portion of its assets in money market
instruments. These are short-term debt instruments, which are written promises
to repay debt within a year. They include Treasury bills and certificates of
deposit, and they are characterized by safety and liquidity, which means they
are easily convertible into cash. Money market instruments may be used by the
Fund for cash management or temporary defensive purposes.

Repurchase agreements

In a repurchase agreement transaction, the Fund purchases a debt security and
obtains a simultaneous commitment from the selling bank or securities dealer to
repurchase that debt security at an agreed time and price, reflecting a market
rate of interest. Repurchase agreements are fully collateralized by U.S.
government securities, bank obligations and cash or cash equivalents. Costs,
delays or losses could result if the seller became bankrupt or was otherwise
unable to complete the repurchase agreement. To minimize this risk, the
investment adviser evaluates the creditworthiness of potential repurchase
agreement counterparties using guidelines adopted by the Board of Directors.

Securities lending

The Fund may lend its portfolio securities to securities dealers, banks and
other institutional investors to earn additional income. These transactions must
be continuously secured by collateral, and the securities loaned must be
marked-to-market daily. The Fund generally continues to receive all interest
earned or dividends paid on the loaned securities, although lending fees may be
paid to the borrower. The lending of portfolio securities is limited to 33 1/3%
of the value of the Fund's total net assets.

When-issued or delayed-delivery transactions

The Fund may commit to purchase or sell particular securities, with payment and
delivery to take place at a future date. These are known as when-issued or
delayed-delivery transactions. If the counterparty fails to deliver a security
the Fund has purchased on a when-issued or delayed-delivery basis, there could
be a loss as well as a missed opportunity to make an alternative investment. The
Fund engages in these transactions to acquire securities that are appropriate
for its portfolio at favorable prices or yields. It does not engage in these
transactions to speculate on interest rate changes.


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T H E   G U A R D I A N   B O N D   F U N D               P R O S P E C T U S  9
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<PAGE>

Yankee securities

The Fund may invest in so-called Yankee securities. These are debt securities
issued by non-U.S corporate or government entities, but are denominated in U.S.
dollars. Yankee securities trade and may be settled in U.S. markets.

Zero coupon bonds

The Fund may invest in zero coupon bonds. These bonds do not pay interest but
instead are sold at a deep discount relative to their face value, and become due
only on maturity. Because zero coupon securities do not pay interest, they
fluctuate in value more than other interest-bearing securities. When interest
rates rise, the values of zero coupons fall more rapidly than securities paying
interest on a current basis, because the zero coupons are locked into rates of
reinvestment that become less attractive the further rates rise. The converse is
true when interest rates fall.

Other

New financial products and risk management techniques continue to be developed.
The Fund may use these instruments and techniques to the extent and when
consistent with its investment objectives or regulatory and federal tax
considerations.


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10  P R O S P E C T U S              T H E   G U A R D I A N   B O N D   F U N D
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<PAGE>

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      FUND MANAGEMENT
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THE MANAGEMENT and affairs of the Fund are supervised by its Board of Directors.

The Fund's investment adviser

Guardian Investor Services Corporation (GISC) is the adviser for the Fund. GISC
is wholly owned by The Guardian Life Insurance Company of America (Guardian
Life), a New York mutual insurance company. GISC is located at 7 Hanover Square,
New York, New York 10004. GISC buys and sells securities, selects brokers to
effect transactions, and negotiates brokerage fees. GISC is the adviser to
several other mutual funds sponsored by Guardian Life, and it is the underwriter
and distributor of the Fund's shares and of variable annuity and variable life
insurance contracts issued by The Guardian Insurance & Annuity Company, Inc.
(GIAC).

The adviser is entitled to a management fee for its services. In the most recent
year, the Fund paid GISC a fee at the annual rate of 0.50% of average net
assets.

Portfolio managers

Thomas Sorell, CFA, and Howard Chin have managed the portfolio since January,
1998. Mr. Sorell has served as sole or co-portfolio manager of the Bond Fund's
assets since January 1997. He has been a Vice President of Guardian Life since
1994 and manages part of the fixed income assets of Guardian Life. He also
manages fixed income assets for other Guardian subsidiaries.

Mr. Chin has been a Vice President of Guardian Life since 1997. He also manages
part of the fixed income assets of Guardian Life and one of its subsidiaries.
Before joining the company, he worked as senior mortgage strategist at Goldman
Sachs & Co. since 1993.

Frank J. Jones, Ph.D., is responsible for the allocation of assets among the
various sectors of fixed-income securities selected by the portfolio managers.
Dr. Jones has been Executive Vice President and Chief Investment Officer of
Guardian Life since January 1994.


                                                         -----------------------
T H E   G U A R D I A N   B O N D   F U N D              P R O S P E C T U S  11
                                                         -----------------------
<PAGE>

- --------------------------------------------------------------------------------
      BUYING AND SELLING FUND SHARES
- --------------------------------------------------------------------------------

YOU CAN BUY THIS FUND only if you're a contractowner of a GIAC variable annuity
contract or variable life insurance policy that offers the Fund as an investment
option. GIAC buys and sells Fund shares based on premium allocation, transfer,
withdrawal and surrender instructions made by GIAC contractowners.

The Fund will ordinarily make payment for redeemed shares within three business
days after it receives an order from GIAC. The redemption price will be the net
asset value next determined after GIAC receives the contractowner's instructions
or request in proper form. The Fund may refuse to redeem shares or postpone
payment of proceeds during any period when:

o     trading on the New York Stock Exchange (NYSE) is restricted

o     the NYSE is closed for other than weekends and holidays

o     an emergency makes it not reasonably practicable for the Fund to dispose
      of assets or calculate its net asset value (NAV); or

o     as permitted by the Securities and Exchange Commission.

See the prospectus for your GIAC variable annuity contract or variable life
insurance policy for more details about the allocation, transfer and withdrawal
provisions of your annuity or policy.

Share price

The share price of the Fund is calculated each day that the NYSE is open. The
price is set at the close of trading on the NYSE or 4 p.m. Eastern time,
whichever is earlier. The price is based on the Fund's current NAV.

NAV is the value of everything a Fund owns, minus everything it owes, divided by
the number of shares investors hold.

The Fund values its assets at current market prices when market prices are
readily available. If market value cannot be established, assets are valued at
fair value as determined in good faith by, or under the direction, of the Board
of Directors. Short-term securities that mature in 60 days or less are valued by
using the amortized cost method, unless the Board determines that this does not
represent fair value.


- -----------------------
12  P R O S P E C T U S              T H E   G U A R D I A N   B O N D   F U N D
- -----------------------
<PAGE>

Dividends, distributions and taxes

Net investment income and net capital gains that are distributed to GIAC's
separate account by the Fund are reinvested by GIAC in additional shares of the
Fund at NAV. The Fund typically distributes any net investment income twice each
year and any net capital gains once each year. The Fund's Board of Directors can
change this policy. GIAC contractowners will be notified when these
distributions are made.

Other information about the Fund

The Fund does not currently foresee any disadvantages to contractowners arising
from the fact that it offers shares to both variable annuity and variable life
insurance policy separate accounts. The Board monitors events to ensure there
are no material irreconcilable differences between or among contractowners. If
such a conflict should arise, one or more GIAC separate accounts may withdraw
their investment in the Fund. This could possibly force the Fund to sell
portfolio securities at disadvantageous prices.

If circumstances make it necessary to create separate portfolios for variable
annuity and variable life insurance separate accounts, GIAC will bear the
expenses involved in setting up the new portfolios. However, the ongoing
expenses contractowners ultimately pay would likely increase because of the loss
of economies of scale provided by the current arrangement.


                                                         -----------------------
T H E   G U A R D I A N   B O N D   F U N D              P R O S P E C T U S  13
                                                         -----------------------
<PAGE>

- --------------------------------------------------------------------------------
      FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------

THE FINANCIAL HIGHLIGHTS table is intended to help you understand the financial
performance of the Fund over the past five years.

Certain information reflects financial results for a single Fund share. The
total returns in the table represent the rate that an investor would have earned
(or lost) on an investment in the Fund (assuming reinvestment of all dividends
and distributions.) This information has been audited by Ernst & Young LLP,
whose report, along with the Fund's financial statements, are included in the
annual report, which is available upon request.

<TABLE>
<CAPTION>
                                                                          For the year ended December 31
                                                 ------------------------------------------------------------------------
                                                   1998            1997            1996            1995            1994
                                                 --------        --------        --------        --------        --------
<S>                                              <C>             <C>             <C>             <C>             <C>   
Net Asset Value, Beginning of Period               $12.11          $11.83          $12.25          $11.08          $12.24
                                                 --------        --------        --------        --------        --------

Income from investment operations
  Net Investment Income                              0.69            0.75            0.76            0.76            0.40
  Net Gains or Losses on Securities
    (both realized and unrealized)                   0.28            0.29           (0.42)           1.17           (0.82)
                                                 --------        --------        --------        --------        --------
  Total from Investment Operations                   0.97            1.04            0.34            1.93           (0.42)

Less distributions
  Dividends (from Net Investment
    Income)                                         (0.69)          (0.76)          (0.76)          (0.76)          (0.68)
  Distributions in excess of
    Net Investment Income                              --              --              --              --              --
  Distributions (from Capital Gains)                (0.16)             --              --              --           (0.06)
                                                 --------        --------        --------        --------        --------
  Total Distributions                               (0.85)          (0.76)          (0.76)          (0.76)          (0.74)
                                                 --------        --------        --------        --------        --------
Net Asset Value, End of Period                     $12.23          $12.11          $11.83          $12.25          $11.08
                                                 --------        --------        --------        --------        --------
Total Return                                         8.10%           8.99%           2.88%          17.59%          (3.45)%

Ratios/Supplemental data
  Net Assets, End of Period (000's omitted)      $381,387        $355,412        $354,433        $374,462        $308,978
  Ratio of Expenses to Average
    Net Assets                                       0.67%           0.59%           0.54%           0.54%           0.54%
Ratio of Expenses (Excluding Interest
    Expense) to Average Net Assets                   0.55%           0.55%            n/a             n/a             n/a
  Ratio of Net Investment Income
    (Loss) to Average Net Assets                     5.51%           6.15%           6.12%           6.43%           5.69%
  Portfolio Turnover Rate                             287%            340%            188%            298%            311%
</TABLE>


- -----------------------
14  P R O S P E C T U S              T H E   G U A R D I A N   B O N D   F U N D
- -----------------------
<PAGE>

- --------------------------------------------------------------------------------
      FOR MORE DETAILED INFORMATION
- --------------------------------------------------------------------------------

ADDITIONAL INFORMATION about the Fund is available in the annual and semi-annual
reports to shareholders. In the Fund's annual report, you will find a discussion
of the market conditions and investment strategies that significantly affected
the Fund's performance during the past fiscal year.

The Fund's Statement of Additional Information contains additional information
about the Fund. It has been filed with the SEC and is incorporated in this
prospectus by reference. A free copy of the Fund's Statement of Additional
Information and most recent annual report and semi-annual report may be
obtained, and further inquiries can be made, by calling 1-800-221-3253 or by
writing Guardian Investor Services Corporation at 7 Hanover Square, New York,
New York 10004.

Information about the Fund (including the Statement of Additional Information)
can be reviewed and copied at the SEC's Public Reference Room in Washington D.C.
Information on the operation of the Public Reference Room may be obtained by
calling the SEC at 1-800-SEC-0330. Reports and other information about the Fund
are available on the SEC's Internet site at http://www.sec.gov and copies of
this information may be obtained, upon payment of a duplicating fee, by writing
the Public Reference Section of the SEC, Washington D.C. 20549-6009.

Custodian, Transfer Agent and Dividend Paying Agent

State Street Bank and Trust Company, Custody Division,
1776 Heritage Drive, North Quincy, Massachusetts 02171, is the Fund's custodian,
transfer agent and dividend paying agent.

1940 Act File No. 811-3634
<PAGE>

                          THE GUARDIAN BOND FUND, INC.
                 201 Park Avenue South, New York, New York 10003

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

                       STATEMENT OF ADDITIONAL INFORMATION

                                    May 1, 1999

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

   
      This Statement of Additional Information is not a prospectus, but should
be read in conjunction with the Prospectus of The Guardian Bond Fund, Inc. (the
"Fund") dated May 1, 1999. A free copy of the Prospectus may be obtained by
writing to Guardian Investor Services Corporation(R), 7 Hanover Square, New
York, New York 10004 or by telephoning 1-800-221-3253. Please retain this
document for future reference.
    

                                TABLE OF CONTENTS
                                                                         Page
                                                                         ----

   
Investment Strategies and Risk Considerations..........................   2

Ratings of Debt Obligations............................................   4

Investment Restrictions................................................   4

Temporary Defensive Positions..........................................   4

Portfolio Turnover ....................................................   4

Fund Management........................................................   4

Guardian Life and Other Fund Affiliates................................   7

Investment Adviser.....................................................   7

Performance Data.......................................................   8

Calculation of Net Asset Value.........................................   10

Securities Valuations .................................................   10

Custodian and Transfer Agent...........................................   10

Portfolio Transactions and Brokerage...................................

Legal Opinions.........................................................   10

Capital Stock .........................................................   10

Independent Auditors and Financial Statements..........................   10

Appendix...............................................................   11
    
<PAGE>

      The Fund is registered with the SEC as an open-end, diversified,
management investment company. It is incorporated in Maryland and commenced its
operations in March 1983.

                  INVESTMENT STRATEGIES AND RISK CONSIDERATIONS

Mortgage-Backed Securities.

      The Bond Fund may purchase mortgage-backed securities, such as
collateralized mortgage obligations ("CMOs") and mortgage pass-throughs.

      A mortgage pass-through is collateralized by a pool of mortgages that have
a common coupon rate (i.e., interest rate) and maturity. The holders of a
particular mortgage pass-through share the rights to receive interest and
principal payments from the underlying pool of mortgages, net of servicing fees,
as payment for debt service on the pass-through. CMOs are collateralized by
pooled mortgage loans that may not share coupon rate and maturity
characteristics, so they are multi-class bonds. CMO classes typically have
different interests in the stream of interest and principal payments from an
underlying pool of mortgages. Hence, the classes are paid sequentially according
to the payment structure of the CMO. Mortgage pass-throughs and CMO's may be
issued or guaranteed by the U.S. government and its agencies or
instrumentalities, or by private entities.

      Mortgage-backed securities issued by the Government National Mortgage
Association ("GNMA") are backed by the full faith and credit of the U.S.
government. Privately owned, government sponsored agencies like the Federal
National Mortgage Association ("FNMA") and the Federal Home Loan Mortgage
Corporation ("FHLMC") issue their own guarantees for interest and principal
payments on the mortgage-backed securities and other obligations they issue.
These guarantees are supported only by the issuer's credit or the issuer's right
to borrow from the U.S. Treasury. Accordingly, such investments may involve a
greater risk of loss of principal and interest than other U.S. government
securities since the Fund must look principally or solely to the issuing or
guaranteeing agency or instrumentality for repayment.

      Privately issued mortgage-backed securities purchased by the Fund must be
fully collateralized by GNMA certificates, other government mortgage-backed
securities, or by whole loan securities. Whole loan securities are securitized
mortgage pools backed by fixed or adjustable rate mortgages originated by
private institutions.

      Mortgage-backed securities may be more sensitive to interest rate changes
than conventional bonds, which can result in greater price volatility. Because
the collateral underlying mortgage-backed securities may be prepaid at any time,
mortgage-backed securities are also subject to greater prepayment risks than
conventional bonds. Accelerated prepayments of mortgage-backed securities
purchased at a premium impose a risk of loss of principal because the premium
may not have been fully amortized when the principal is repaid. Prepayments tend
to accelerate when interest rates decline, so the proceeds from prepaid
mortgage-backed securities are then likely to be reinvested at lower interest
rates. 

      Payments of principal and interest on the mortgage obligations underlying
mortgage-backed securities are not passed through directly to the holders,
rather they are made to independent trustees created specifically to allocate
such interest and principal payments among the holders of the mortgage-backed
securities. In the event that the mortgages or mortgage pools which
collateralize mortgage-backed securities are prepaid, the mortgage-backed
securities will also be prepaid. For CMO classes which are designed to be
retired sequentially, the class next scheduled to mature generally will be paid
down first.

      Many factors affect the frequency of unscheduled prepayments or
refinancings of the mortgages that collateralize mortgage-backed securities,
including interest rates, economic conditions, the ages of the mortgages and
locations of the mortgaged properties. Prepayments tend to occur more rapidly
after interest rates generally have declined. The return provided to the Fund
will be lower if the proceeds of prepaid mortgage-backed securities are
reinvested in securities with lower yields. In addition, the Fund may suffer
losses on prepaid obligations which were acquired at a premium.

      When interest rates are rising, mortgage-backed securities may suffer
price declines, particularly if their durations extend due to slower than
expected mortgage prepayments. Securities that have lost value while held by the
Fund will have an adverse impact on the Fund's total return.

      Stripped mortgage securities are another type of mortgage-backed security.
Stripped mortgage securities are created by separating the interest and
principal payments generated by a pool of mortgage-backed bonds to create two
classes of securities. Generally, one class receives only interest payments
("IOs") and one class receives only principal payments ("POs"). IOs and POs are
acutely sensitive to interest rate changes and to the rate of principal
prepayments. They are very volatile in price and may have lower liquidity than
most mortgage-backed securities. Certain CMOs may also exhibit these qualities,
especially those which pay variable rates of interest which adjust inversely
with and more rapidly than short-term interest rates. The Fund's Board of
Directors has adopted procedures for the use of its investment adviser, Guardian
Investor Services Corporation ("GISC"), when ascertaining the liquidity and fair
value of its investments, including its mortgage-backed securities holdings.
There is no guarantee that the Fund's investments in mortgage-backed securities
will be successful, and the Fund's total return could be adversely affected as a
result.


                                       2
<PAGE>

Asset-Backed Securities

      Asset-backed securities, which are structured similarly to mortgage-backed
securities, are collateralized by interests in pools of loans, receivables or
other obligations originated by single or multiple lenders and may use similar
credit enhancements. The underlying assets, which include motor vehicle
installment purchase contracts, home equity loans, credit card receivables and
other credit arrangements, are securitized in pass-through structures similar to
mortgage pass-throughs or in pay-through structures similar to CMO's. The Fund
may invest in these and other types of asset-backed securities that may be
developed in the future.

      One of the principal characteristics which distinguishes asset-backed
securities from mortgage-backed securities is that asset-backed securities
generally do not have the benefit of first lien security interests in the
related collateral. Certain receivables such as credit card receivables are
generally unsecured, and the debtors are entitled to the protection of a number
of state and federal consumer credit laws, certain of which may hinder the right
to receive full payment. Also, the security interests in the underlying
collateral may not be properly transferred when the pool is created, resulting
in the possibility that the collateral may be resold. Some asset-backed
securities may also have prepayment risk due to refinancing of their
receivables. Generally, these types of loans are of shorter average life than
mortgages but may have average lives up to 10 years. These securities, all of
which are issued by non-governmental entities, carry no direct or indirect
governmental guarantees.

Trust Preferred Securities

      The Fund may also invest in trust-preferred (or capital) securities. These
securities, which are issued by entities such as special purpose bank
subsidiaries, currently are permitted to treat the interest payments as a
tax-deductible cost. Capital securities, which have no voting rights, have a
final stated maturity date and a fixed schedule for periodic payments. In
addition, capital securities have provisions which afford preference over common
and preferred stock upon liquidation, although the securities are subordinated
to other, more senior debt securities of the same issuer. The issuers of these
securities have the right to defer interest payments for a period of up to five
years, although interest continues to accrue cumulatively. The deferral of
payments may not exceed the stated maturity date of the securities themselves.
The non-payment of deferred interest at the end of the permissible period will
be treated as an event of default.

      At the present time, the Internal Revenue Service treats capital
securities as debt. Proposed tax legislation may cause this tax treatment to be
modified in the future. In the event that the tax treatment of interest payments
of these types of securities is modified, the Fund will reconsider the
appropriateness of continued investment in these securities.

      Some of the Fund's investments may have variable interest rates. When an
instrument provides for periodic adjustments to its interest rate, fluctuations
in principal value may be minimized. However, changes in the coupon rate can lag
behind changes in market rates, which may adversely affect the Fund's
performance.

Securities Lending

The Fund may lend its portfolio securities to securities dealers, banks or other
institutional investors as a way to earn additional income. Such loans must be
continuously secured by collateral, and the loaned securities must be
marked-to-market daily. The Fund will generally continue to be entitled to all
interest earned or dividends paid on the loaned securities, though lending fees
may be paid to the borrower from such interest or dividends. The Fund can
increase its income through securities lending by investing the cash collateral
deposited by the borrower in short-term interest-bearing obligations that meet
the Fund's credit quality requirements and investment policies. As with any
extension of credit, however, there are risks of delay in recovery of the loaned
securities and collateral if a borrower should fail financially.

The Fund will cease to lend securities if, as a result, the aggregate value of
securities then on load would exceed 33 1/3% of its total net assets. A
significant portion of the Fund's loan transactions may be with only one or a
few institutions at any given time. This practice can increase the risk to the
Fund should a borrower fail. Apart from lending its securities, and acquiring
debt securities, the Fund will not make loans to other persons.

The Fund will typically receive commitment fees from the borrower which are
normally payable upon the expiration of the loan transactions. If the Fund calls
the loaned securities prior to the expiration date of the loan transactions, the
Fund may not be entitled to receive the entire commitment fee. The Fund does not
expect to call loaned securities prior to the loan expiration date unless the
current market value of the loaned securities exceeds the expected return of the
loan, including the entire commitment fee. Loan transactions can be structured
to permit similar, but not necessarily identical, securities to be returned to
the Fund upon the expiration of a loan.

Since there are risks of delays in recovery or even loss of rights in the
collateral related to all types of secured credit, the loans will be made only
to borrowers deemed by GISC to be creditworthy and will not be made unless, in
GISC's judgement, the income that can be earned justifies the risk. Any such
loans entered into by the Fund will create leverage for the Fund, as lender.
This leverage results from the expectation that the income and gains on the
securities acquired by the Fund with the loan collateral provided by the
borrower will exceed the cost of the loan transaction. Accordingly, the Fund
will only enter into a loan transaction if its earnings or net asset value are
expected to increase faster than otherwise would be the case. However, should
the income and gains earned on the securities acquired with the loan collateral
fail to exceed the cost of the loan, the Fund's earnings or net asset value will
decline faster than otherwise would be the case.


                                       3
<PAGE>

       In the event a borrower is unable to complete a loan transaction, or in
the event of any default or insolvency of a borrower, the Fund will retain the
collateral it received in connection with the loan transaction. In the event
that the borrower defaults on its obligation to return the loaned securities,
the Fund could suffer a loss to the extent that the market value of the
collateral falls below that of the loaned securities. If the collateral is
insufficient to fully satisfy its rights under the loan agreement, the Fund will
take whatever steps it deems advisable to satisfy its claim.
 
      The Fund may pay reasonable custodian and administrative fees in
connection with the loans.

Dollar Roll and Reverse Repurchase Agreements

      The Fund may engage in dollar roll and reverse repurchase agreement
transactions when the adviser believes it would be advantageous to do so. In a
dollar roll transaction, the Fund sells mortgage-backed securities for delivery
in the current month and simultaneously contracts to purchase substantially
similar securities on a specified future date from the same party. In a dollar
roll, the securities that are to be purchased will be of the same type and have
the same interest rate as the sold securities, but will be supported by
different pools of mortgages. A fund that engages in a dollar roll forgoes
principal and interest paid on the sold securities during the roll period, but
is compensated by the difference between the current sales price and the lower
forward price for the future purchase. In addition, the Fund earns interest by
investing the transaction proceeds during the roll period.

      In a reverse repurchase agreement transaction, the Fund sells securities
to a bank or securities dealer and agrees to repurchase them at an agreed time
and price. During the period between the sale and the forward purchase, the Fund
will continue to receive principal and interest payments on the securities sold.
The Fund may also receive interest income similar to that received in the case
of dollar rolls.

      The Fund will normally use the proceeds of dollar roll and reverse
repurchase agreement transactions to maintain offsetting positions in securities
or repurchase agreements that mature on or before the settlement date for the
related dollar roll or reverse repurchase agreement. The market value of
securities sold under a reverse repurchase agreement or dollar roll is typically
greater than the amount to be paid for the related forward commitment. Reverse
repurchase agreements and dollar rolls involve the risk that the buyer of the
sold securities might be unable to deliver them when the Fund seeks to
repurchase the securities. If the buyer files for bankruptcy or becomes
insolvent, such buyer or its representative may ask for and receive an extension
of time to decide whether to enforce the Fund's repurchase obligation. The
Fund's use of the transaction proceeds may be restricted pending such decision.

      Whenever the Fund enters into a dollar roll or reverse repurchase
agreement transaction, it will maintain cash, U.S. Government securities or
liquid, unencumbered securities that are marked-to-market daily in a segregated
account with the Fund's custodian. The value of such segregated assets must be
at least equal to the value of the forward commitment or repurchase obligation
(principal plus accrued interest), as applicable. Segregating assets may limit
the Fund's ability to pursue other investment opportunities.

      Since the Fund will receive interest on the securities or repurchase
agreements in which it invests the transaction proceeds, dollar rolls and
reverse repurchase agreements will involve leverage. However, since the acquired
securities or repurchase agreements must satisfy the Fund's credit quality
requirements and mature on or before the settlement date for the related dollar
roll or reverse repurchase agreement, and because the Fund will segregate assets
as described above, GISC believes that these transactions do not present the
risks associated with other types of leverage. The Fund does not intend to enter
into dollar roll or reverse repurchase agreement transactions other than in such
circumstances or for temporary or emergency purposes. In addition, the staff of
the Securities and Exchange Commission has taken the position that dollar roll
and reverse repurchase agreement transactions are deemed to be borrowings within
the meaning of the 1940 Act. Although the Fund intends to engage in such
transactions only in the limited circumstances described above, the use of such
transactions will be subject to the Fund's investment limitation on borrowings,
which limits the aggregate borrowings of the Fund to no more than 33 1/3% of the
value of the Fund's total assets.

Repurchase Agreements

      In a repurchase agreement transaction, the Fund purchases a debt security
and obtains a simultaneous commitment from the seller (i.e., a bank or
securities dealer) to repurchase the debt security at an agreed time and price,
reflecting a market rate of interest. Repurchase agreements are fully
collateralized (including the interest earned thereon) by U.S. government
securities, bank obligations, cash or cash equivalents, and are marked-to-market
daily during their respective terms. Costs, delays or losses could result if the
seller becomes bankrupt or is otherwise unable to repurchase a security that is
subject to a repurchase agreement. To attempt to minimize this risk, the Fund's
Board of Directors periodically receives and reviews information about the
creditworthiness of securities dealers and banks which enter into repurchase
agreements with the Fund. The Fund will not enter into a repurchase agreement
which matures in more than seven days, if, as a result, more than 10% of its net
assets would be invested in illiquid securities.

When-Issued or Delayed Delivery Transactions

In when-issued or delayed-delivery transactions, the Fund commits to purchase or
sell particular securities, with payment and delivery to take place at a future
date. Although the Fund does not pay for the securities or start earning
interest on them until they are delivered, it immediately assumes the risk of
ownership, including the risk of price fluctuation. If the Fund's counterparty
fails to deliver a security purchased on a when-issued or delayed-delivery
basis, there may be a loss, and the Fund may have missed an opportunity to make
an alternative investment.

The Fund engages in these transactions to acquire securities that are
appropriate for its portfolio while securing prices or yields that appear
attractive when the transactions occur. The Fund does not engage in these
transactions to speculate on interest rate changes. However, the Fund reserves
the right to sell securities acquired on a when-issued or delayed-delivery basis
before settlement.

Prior to settlement of these transactions, the value of the subject securities
will fluctuate, reflecting interest rate changes. Accordingly, when the Fund
commits to buy particular securities and make payment in the future, it must set
aside, in a segregate account with the custodian, cash or liquid high grade
securities at least equal in value to its commitments, marked-to-market daily.
In the case of a sale of securities on a delayed-delivery basis, the Fund will
instruct the custodian to hold the subject portfolio securities in a segregated
account while the commitment is outstanding. These obligations to segregate cash
or securities will limit the investment advider's ability to pursue other
investment opportunities.

                           RATINGS OF DEBT OBLIGATIONS

      Nationally recognized statistical ratings organizations ("NRSROs") are
private services that rate the credit quality of corporate debt obligations. A
description of the range of ratings assigned to such obligations by two leading
NRSROs (i.e., Moody's and Standard & Poor's) is included in the Appendix to this
Statement of Additional Information.

      The Fund primarily purchases "investment grade" debt securities, or those
which are rated in one of the top four rating categories established by NRSROs.
However, as noted in the Prospectus, a small portion of the Fund's assets may be
invested in securities rated lower than "investment grade." Such holdings
typically result when securities that were acquired by the Fund as "investment
grade" securities are subsequently downgraded.

      Lower rated debt securities may be subject to certain risks not typically
associated with "investment grade" debt securities, such as the following: (1)
reliable and objective information about the value of lower rated obligations
may be difficult to obtain because the market for such securities may be thinner
and less active than that for investment grade obligations; (2) adverse
publicity and investor perceptions, whether or not based on fundamental
analysis, may decrease the values and liquidity of lower rated obligations, and,
in turn, adversely affect their marketability; (3) companies that issue lower
rated obligations may be in the growth stage of their development, or may be
financially troubled or highly leveraged, so they may not have more traditional
methods of financing available to them; (4) when other institutional investors
dispose of their holdings of lower rated debt securities, the general market and
the prices for such securities could be adversely affected; and (5) the market
for lower rated securities could be impaired if legislative proposals to limit
their use in connection with corporate reorganizations or to limit their tax and
other advantages are enacted.

                             INVESTMENT RESTRICTIONS

      The Fund has adopted the following investment restrictions that cannot be
changed without the approval of the holders of a majority of the outstanding
shares of the Fund. As defined by the Investment Company Act of 1940, as amended
(the "1940 Act"), the vote of a majority of the outstanding voting securities of
the Fund means the lesser of the vote of (a) 67 percent of the shares of the
Fund at a meeting where more than 50 percent of the outstanding voting shares
are present in person or by proxy, or (b) more than 50 percent of the
outstanding voting shares of the Fund. All percentage restrictions on
investments apply when an investment is made. A later increase or decrease
beyond a specified limit that results from a change in value or net assets shall
not constitute a violation of the applicable restriction. The following
investment restrictions provide that the Fund may not:

      1.    Purchase any security other than those discussed under "Investment
            Objectives and Policies," as set forth in the Prospectus;

      2.    Invest more than 5% of the value of its total assets in securities
            of issuers having a record, together with predecessors, of less than
            three years of continuous operation. This restriction does not apply
            to any obligation issued or guaranteed by the United States
            Government, its agencies or instrumentalities;

      3.    Borrow money, except that the Fund may (i) borrow up to 5% of its
            total assets (not including the amount borrowed) for temporary or
            emergency purposes; and (ii) engage in reverse repurchase
            agreements, dollar rolls or other transactions which may involve a
            borrowing from banks or other persons, provided that the aggregate
            amount involved in all such transactions shall not exceed 33 1/3%
            of the value of the Fund's total assets (including the amount
            borrowed) less liabilities (other than borrowings) or such other
            percentage permitted by law;

      4.    Mortgage, pledge or hypothecate more than 5% of the value of its
            total assets, and then only to secure temporary or emergency
            borrowings effected within the above restriction. For purposes of
            this restriction, collateral arrangements which may be required in
            connection with securities transactions by the Investment Company
            Act of 1940 are not considered a pledge of assets;

      5.    Make loans of money, except through the purchase of debt obligations
            and repurchase agreements in which the Fund may invest, consistent
            with its investment objectives and policies, provided that
            repurchase agreements maturing in more than seven days, when taken
            together and at current value, may not exceed 10% of the Fund's net
            assets;

      6.    Purchase any securities other than the obligations of the U.S.
            Government, or its agencies or instrumentalities, if, immediately
            after such purchase, 25% or more of the value of the Fund's total
            assets would be invested in the securities of issuers in the same
            industry. (There is no limitation as to investments in obligations
            issued or guaranteed by the United States Government or its agencies
            or instrumentalities.) For the purpose of this restriction, gas,
            electric, water and telephone utilities will each be treated as a
            separate industry;

      7.    Invest more than 5% of the value of its total assets in the
            securities of any one issuer or purchase more than 10% of the
            outstanding voting securities, or any other class of securities, of
            any one issuer. For purposes of this restriction, all outstanding
            debt securities of an issuer are considered as one class, and all
            preferred stock of an issuer is considered as one class. This
            restriction does not apply to obligations issued or guaranteed by
            the United States Government, its agencies or instrumentalities;

      8.    Invest more than 5% of the value of its total assets in warrants or
            more than 2% of such value in warrants which are not listed on the
            New York or American Stock Exchanges, except that warrants attached
            to other securities are not subject to these limitations;

      9.    Invest more than 10% of the value of its total assets in securities
            that are not readily marketable or which are restricted as to
            disposition under the federal securities laws or otherwise. This
            restriction will apply to repurchase agreements maturing in more
            than seven days. This restriction will also apply to securities
            received as a result of a corporate reorganization or similar
            transaction affecting readily-marketable securities already held in
            the portfolio of the Fund. To the extent that securities received
            under these circumstances, together with other unmarketable
            securities, exceed 10% of the value of the Fund's total assets, the
            Fund will attempt to dispose of them in an orderly fashion in order
            to reduce its holdings in such securities to less than 10%;

      10.   Engage in the underwriting of the securities of other issuers,
            except to the extent that the Fund may be deemed to be an
            underwriter under the Securities Act of 1933 in selling portfolio
            securities;

      11.   Purchase securities issued by any other investment company;

      12.   Purchase securities on margin or sell securities short, or
            participate on a joint or a joint and several basis in any trading
            account in securities;

      13.   Write, purchase or sell puts, calls, straddles, spreads or
            combinations thereof;

      14.   Purchase or sell commodities or commodity contracts;

      15.   Purchase or sell real estate (although it may purchase securities of
            issuers that engage in real estate operations), securities that are
            secured by interests in real estate, or securities that represent
            interests in real estate, including real estate investment trusts;

      16.   Purchase oil, gas or other mineral leases, rights or royalty
            contracts or exploration or development programs, except that the
            Fund may invest in the securities of companies which invest in or
            sponsor such programs;

      17.   Purchase or retain the securities of any issuer if, to the knowledge
            of the Fund, the officers, directors and employees of the Fund or of
            the Adviser who individually own more than 1/2 of 1% of the
            outstanding securities of such issuer together own more than 5% of
            the securities of such issuer;

      18.   Purchase securities for the purpose of exercising control over
            another company; and

      19.   Issue any senior securities (except for borrowing subject to the
            restrictions set forth under Investment Restriction 3, above).

                         TEMPORARY DEFENSIVE POSITIONS

      The Fund may alter its investment practices on a temporary or emergency
basis when the Fund's investment adviser believes that it is appropriate due to
political, economic or other circumstances. The Fund may invest in cash or cash
equivalents and repurchase agreements in these circumstances.

                               PORTFOLIO TURNOVER

   
      The Fund's annual portfolio turnover rate may vary greatly from year to
year, and it will not be a limiting factor when GISC deems portfolio changes
appropriate. For the years ended December 31, 1996, 1997 and 1998, the Fund's
annual portfolio turnover rates were 188%, 340% and 287% respectively. An
explanation of the Fund's portfolio turnover rate appears in the Prospectus.
    

                                 FUND MANAGEMENT

   
      The directors and officers of the Fund are named below. Information about
their principal occupations during the past five years and certain other current
affiliations is also provided. The business address of each director and officer
is 7 Hanover Square, New York, New York 10004 unless otherwise noted. The
"Guardian Fund Complex" referred to in this biographical information is
comprised of (1) the Fund, (2) The Guardian Stock Fund, Inc., (3) The Guardian
Cash Fund, Inc., (4) The Park Avenue Portfolio (a series trust that issues its
shares in ten series) and (5) GIAC Funds, Inc. (formerly GBG Funds, Inc.) (a
series fund that issues its shares in three series).
    


                                       4
<PAGE>

      The Fund pays Directors who are not "interested persons" directors' fees
of $350 per meeting and an annual retainer of $500. Directors who are
"interested persons," except Mr. Sargent, receive the same fees, but they are
paid by GISC. Mr. Sargent receives no compensation for his services as a Fund
Director. All officers of the Fund are employees of Guardian Life; they receive
no compensation from the Fund.

       Each Fund Director is also a director of The Guardian Stock Fund, Inc.,
The Guardian Cash Fund, Inc. and GIAC Funds, Inc. (formerly GBG Funds, Inc.), a
series fund consisting of Baillie Gifford International Fund, Baillie Gifford
Emerging Markets Fund and The Guardian Small Cap Stock Fund, and a trustee of
The Park Avenue Portfolio, a series trust consisting of The Guardian Park Avenue
Fund, The Guardian Park Avenue Small Cap Fund, The Guardian Park Avenue
Tax-Efficient Fund, The Guardian Investment Quality Bond Fund, The Guardian High
Yield Bond Fund, The Guardian Tax-Exempt Fund, The Guardian Cash Management
Fund, The Guardian Baillie Gifford International Fund, The Guardian Baillie
Gifford Emerging Markets Fund and The Guardian Asset Allocation Fund. The Fund
and the other funds named in this paragraph are a "Fund Complex" for purposes of
the federal securities laws. The following table provides information about the
compensation paid by the Fund and the Fund Complex to the Fund's Directors for
the year ended December 31, 1998.

                               Compensation Table*

   
<TABLE>
<CAPTION>
                                                                               Total Compensation
                          Aggregate      Accrued Pension or      Estimated      from the Fund and
                        Compensation     Retirement Benefits  Annual Benefits   Other Members of
Name and Title         from the Fund**    Paid by the Fund    Upon Retirement  the Fund Complex**
- --------------         ---------------    ----------------    ---------------  ------------------
<S>                        <C>                   <C>                <C>                <C>    
 Frank J. Fabozzi
  Director                 $ 2,500               N/A                N/A                $ 54,400
William W. Hewitt, Jr.                         
  Director                 $ 2,500               N/A                N/A                $ 54,400
Sidney I. Lirtzman                             
  Director                 $ 2,500               N/A                N/A                $ 54,400
Carl W. Schafer                                
  Director                 $ 2,500               N/A                N/A                $ 54,400
Robert G. Smith                                
  Director                 $ 2,500               N/A                N/A                $ 54,400
</TABLE>
    
 
*     Directors who are "interested persons" of the Fund are not compensated by
      the Fund, so information about their compensation is not included in this
      table.
**    Includes compensation paid to attend meetings of the Board's Audit
      Committee.

   
      The Fund's officers and directors had an aggregate interest of less than
1% in the Fund's outstanding shares as of April 1, 1999.
    

      Set forth below is information about the officers and Directors of the
Fund, including their principal business affiliations for the past five years.
 
<TABLE>
<CAPTION>
  Name, Address and Age               Title                            Business History
  ---------------------               -----                            ----------------
<S>                                <C>                 <C>

JOHN C. ANGLE* (76)                Director            Retired. Former Chairman of the Board and Chief             
3800 South 42nd Street                                 Executive Officer, The Guardian Life Insurance Company      
Lincoln, Nebraska 68506                                of America; Director 1/78-12/98. Director (Trustee) of    
                                                       Guardian Investor Services Corporation from 6/82-2/98       
                                                       and The Guardian Insurance & Annuity Company, Inc. from 
                                                       6/82-12/98 Director (Trustee) of various mutual funds 
                                                       within the Guardian Fund Complex.                                      

   
JOSEPH A. CARUSO (47)              Secretary           Vice President and Corporate Secretary, The Guardian Life
                                                       Insurance Company of America 3/96-present; Second Vice
                                                       President and Corporate Secretary 1/95-2/96; Corporate
                                                       Secretary prior thereto. Vice President and Secretary, The
                                                       Guardian Insurance & Annuity Company, Inc., Guardian
                                                       Investor Services Corporation, and Park Avenue Securities
                                                       LLC, Park Avenue Life Insurance Company, Guardian Asset
                                                       Management Corporation, Guardian Baillie Gifford Limited
                                                       and various mutual funds within the Guardian Fund Complex.
    

HOWARD W. CHIN (46)                Vice President      Vice President, Investments, The Guardian Life Insurance
                                                       Company of America, since September 1997. Vice President,
                                                       Fixed Income Research and Fixed Income Sales, Goldman Sachs
                                                       & Co. 5/93-9/97. Prior thereto, Head of Fixed Income
                                                       Strategies, Prudential Securities Incorporated. Officer of
                                                       various mutual funds within the Guardian Fund Complex.
</TABLE>

- ----------
*  Director who is deemed to be an "interested person" under the 1940 Act.


                                       5
<PAGE>

<TABLE>
<CAPTION>
  Name, Address and Age               Title                            Business History
  ---------------------               -----                            ----------------
<S>                                <C>                 <C>
FRANK J. FABOZZI, PH.D. (56)       Director            Adjunct Professor of Finance, School of Management --   
858 Tower View Circle                                  Yale University 2/94-present; Visiting Professor of     
New Hope, Pennsylvania 18938                           Finance and Accounting, Sloan School of Management --   
                                                       Massachusetts Institute of Technology prior thereto.    
                                                       Editor, Journal of Portfolio Management. Director       
                                                       (Trustee) of five mutual funds within the Guardian Fund 
                                                       Complex. Director (Trustee) of various closed-end       
                                                       investment companies sponsored by Blackstone Financial  
                                                       Management.                                             

   
ARTHUR V. FERRARA* (68)            Director            Retired. Chairman of the Board and Chief Executive
                                                       Officer, The Guardian Life Insurance Company of America
                                                       prior thereto; Director 1/81-present. Director (Trustee)
                                                       of Guardian Investor Services Corporation, Guardian Asset
                                                       Management Corporation, The Guardian Insurance & Annuity
                                                       Company, Inc. and various mutual funds within the Guardian
                                                       Fund Complex. Manager of Park Avenue Securities LLC.

LEO R. FUTIA* (79)                 Director            Retired. Former Chairman of the Board and Chief               
18 Interlaken Road                                     Executive Officer, The Guardian Life Insurance Company        
Greenwich, Connecticut 06830                           of America; Director 5/70-present. Director (Trustee) of      
                                                       The Guardian Insurance & Annuity Company, Inc., Guardian
                                                       Investor Services Corporation, and various mutual funds
                                                       within the Guardian Fund Complex. Manager of Park Avenue
                                                       Securities LLC. Director (Trustee) of various mutual funds
                                                       sponsored by Value Line, Inc.

ALEXANDER M. GRANT, JR. (49)       Treasurer           Vice President, Investments, The Guardian Life Insurance
                                                       Company of America 3/99-present. Second Vice President,
                                                       Investments 1/97-2/99; Assistant Vice President,
                                                       Investments 9/93-12/96; Investment Officer prior thereto.
                                                       Officer of various mutual funds within the Guardian Fund
                                                       Complex.
    

WILLIAM W. HEWITT, JR. (70)        Director            Retired. Former Executive Vice President, Shearson             
P.O. Box 2359                                          Lehman Brothers, Inc. Director (Trustee) of various            
Princeton, New Jersey 08543                            mutual funds within the Guardian Fund Complex. Director        
                                                       (Trustee) of various mutual funds sponsored by Mitchell        
                                                       Hutchins Asset Management, Inc. and PaineWebber, Inc.          

   
FRANK J. JONES (60)                President           Executive Vice President and Chief Investment Officer, The
                                                       Guardian Life Insurance Company of America 1/94-present;
                                                       Senior Vice President and Chief Investment Officer
                                                       8/91-12/93. First Vice President, Director of Global Fixed
                                                       Income Research and Economics, Merrill Lynch & Co. prior
                                                       thereto. Senior Vice President and Chief Investment
                                                       Officer and Director, The Guardian Insurance & Annuity
                                                       Company, Inc. Director, Guardian Investor Services
                                                       Corporation. Manager, Park Avenue Securities LLC. Officer
                                                       of various mutual funds within the Guardian Fund Complex.
    

ANN T. KEARNEY (47)                Controller          Second Vice President, Group Pensions, The Guardian Life     
                                                       Insurance Company of America 1/95 to present; Assistant      
                                                       Vice President and Equity Controller 6/94-12/94;             
                                                       Assistant Controller prior thereto. Second Vice              
                                                       President of The Guardian Insurance & Annuity Company,       
                                                       Inc. and Guardian Investor Services Corporation.             
                                                       Controller of various mutual funds within the Guardian       
                                                       Fund Complex.                                                

SIDNEY I. LIRTZMAN, PH.D. (67)     Director            Professor of Management 9/67-present and Acting Dean of    
38 West 26th Street                                    the School of Business Management 2/95-present, City       
New York, New York 10010                               University of New York -- Baruch College. President,       
                                                       Fairfield Consulting Associates, Inc. Director (Trustee)   
                                                       of various mutual funds within the Guardian Fund           
                                                       Complex.                                                   
</TABLE>

- ----------
*  Director who is deemed to be an "interested person" under the 1940 Act.


                                       6
<PAGE>

<TABLE>
<CAPTION>
  Name, Address and Age               Title                            Business History
  ---------------------               -----                            ----------------
<S>                                <C>                 <C>
FRANK L. PEPE (56)                 Vice President      Vice President and Equity Controller, The Guardian Life          
                                                       Insurance Company of America 1/96-present; Second Vice           
                                                       President and Equity Controller prior thereto. Vice              
                                                       President and Controller, The Guardian Insurance &               
                                                       Annuity Company, Inc. and Guardian Investor Services             
                                                       Corporation. Controller, Guardian Asset Management               
                                                       Corporation. Officer of various mutual funds within the          
                                                       Guardian Fund Complex.                                           

   
RICHARD T. POTTER, JR. (44)        Counsel             Vice President and Equity Counsel, The Guardian Life
                                                       Insurance Company of America 1/96-present; Second Vice
                                                       President and Equity Counsel prior thereto. Vice President
                                                       and Counsel, The Guardian Insurance & Annuity Company,
                                                       Inc., Guardian Investor Services Corporation, Guardian
                                                       Asset Management Corporation, Park Avenue Securities LLC
                                                       and various mutual funds within the Guardian Fund Complex.

JOSEPH D. SARGENT* (61)            Director            Chief Executive Officer, The Guardian Life Insurance
                                                       Company of America, 1/96-present. President and Director
                                                       1/93-present. Director, President and Chief Executive
                                                       Officer of The Guardian Insurance & Annuity Company, Inc.,
                                                       Guardian Asset Management Corporation and Park Avenue Life
                                                       Insurance Company. Manager of Park Avenue Securities LLC.
                                                       Director (Trustee) of Guardian Investor Services
                                                       Corporation and various mutual funds within the Guardian
                                                       Fund Complex.
    

CARL W. SCHAFER (63)               Director            President, Atlantic Foundation (charitable foundation          
P.O. Box 1164                                          supporting mainly oceanographic exploration and                
Princeton, New Jersey 08542                            research). Director of Roadway Express (trucking), Evans       
                                                       Systems, Inc. (a motor fuels, convenience store and            
                                                       diversified company), Hidden Lake Gold Mines Ltd. (gold        
                                                       mining), Electronic Clearing House, Inc. (financial            
                                                       transactions processing), Wainoco Oil Corporation and          
                                                       Nutraceutrix Inc. (biotechnology). Chairman of the             
                                                       Investment Advisory Committee of the Howard Hughes             
                                                       Medical Institute 1985-1992. Director (Trustee) of             
                                                       various mutual funds within the Guardian Fund Complex.         
                                                       Director (Trustee) of various mutual funds sponsored by        
                                                       Mitchell Hutchins Asset Management, Inc. and                   
                                                       PaineWebber, Inc.                                              

ROBERT G. SMITH, PH.D. (66)        Director            President, Smith Affiliated Capital Corp. Director           
132 East 72nd Street                                   (Trustee) of various mutual funds within the Guardian        
New York, New York 10028                               Fund Complex.                                                

THOMAS G. SORRELL (44)             Vice President      Vice President, The Guardian Life Insurance Company of      
                                                       America 7/94-present; Director of Fixed Income, White       
                                                       River Corporation, 12/93-7/94. Director of Fixed Income,    
                                                       Fund American Enterprises, prior thereto. Vice President,     
                                                       Guardian Asset Management Corporation, and various          
                                                       mutual funds within the Guardian Fund Complex.              
</TABLE>

- ----------
*  Director who is deemed to be an "interested person" under the 1940 Act.

                     GUARDIAN LIFE AND OTHER FUND AFFILIATES

   
      As of April 1, 1999, The Guardian Insurance & Annuity Company, Inc.
("GIAC") a Delaware corporation, owned 100% of the Fund's outstanding shares.
Such shares were allocated among separate accounts established by GIAC. GIAC is
a wholly owned subsidiary of Guardian Life. The executive offices of GIAC and
Guardian Life are located at 201 Park Avenue South, New York, New York 10003.
    
 
                               INVESTMENT ADVISER

       Under the investment advisory agreement between the Fund and GISC, GISC
furnishes investment advice and provides or pays for certain of the Fund's
administrative costs. Among other things, GISC pays the fees and expenses of the
Fund Directors who are interested persons under the 1940 Act. GISC has also
agreed to assume those operating expenses of the Fund (excluding interest
charges and income, franchise and other taxes) which exceed one percent (1%) of
the Fund's average daily net assets for any fiscal year. For the year ended
December 31, 1998, the ratio of operating expenses to average daily net assets
of the Fund did not exceed 1%, so GISC was not obligated to assume any such
expenses. From time to time, GISC may, at its discretion, assume certain of the
Fund's ordinary operating expenses when they are less than 1% of average daily
net assets.
 

                                       7
<PAGE>

   
      For the years ended December 31, 1996, 1997 and 1998, the Fund paid GISC
$1,799,649, $1,730,953 and $1,844,563 respectively, under the investment
advisory agreement.
    
 
      The investment advisory agreement between the Fund and GISC will continue
in full force and effect from year to year so long as its continuance is
specifically approved at least annually by vote of a majority of the Fund's
outstanding voting shares, or by vote of the Fund's Board of Directors,
including a majority of the Directors who are not parties to the agreement or
"interested persons" of the Fund or of GISC, cast in person at a meeting called
for that purpose. The agreement will terminate automatically upon its
assignment, and may be terminated without penalty at any time by either party
upon 60 days' written notice.

      If the investment advisory agreement is terminated and it is not replaced
by an agreement with another affiliate of Guardian Life, the Fund's continued
use of the name "The Guardian Bond Fund, Inc." is subject to the approval of
Guardian Life, because Guardian Life maintains the exclusive ownership interest
of the service mark "The Guardian Bond Fund, Inc."

      A service agreement between GISC and Guardian Life provides that Guardian
Life will furnish the office space, clerical staff, services and facilities
which GISC needs to perform under the investment advisory agreement. GISC's
officers are salaried employees of Guardian Life; they receive no compensation
from GISC. GISC reimburses Guardian Life for its expenses under the service
agreement.

                                PERFORMANCE DATA

      The Fund may, from time to time, provide performance information in
advertisements, sales literature or other materials furnished to existing or
prospective owners of GIAC's variable contracts. When performance information is
provided in advertisements, it will include the effect of all charges deducted
under the terms of the specified contract, as well as all recurring and
non-recurring charges incurred by the Fund. All performance results are
historical and are not representative of future results.

      Total return and average annual total return reflect the change in value
of an investment in the Fund over a specified period, assuming the reinvestment
of all capital gains distributions and income dividends. Average annual total
returns show the average change in value for each annual period within a
specified period. Total returns, which are not annualized, show the total
percentage or dollar change in value over a specified period. Promotional
materials relating to the Fund's performance will always at least provide
average annual total returns for each of a short (one to four years), medium
(five to nine years) and long (ten years or more) period of time.

      Yield is a measure of the net investment income earned on a hypothetical
investment over a specified base period of one month or 30 days. Yield is
expressed as a percentage of the value of a share at the beginning of the base
period. Yields are annualized, which means that they assume that the Fund will
generate the same level of net investment income over a one year period.
However, the Fund's yield will actually fluctuate daily. On occasion, the Fund
may also quote its historical or annualized distribution rates. A distribution
rate is simply a measure of the level of income dividends and short-term capital
gain dividends distributed for a specified period. A distribution rate is not a
complete measure of performance, and may be higher than yield for certain
periods. The Fund uses the following SEC standardized formula to compute its
yields. This standardized formula is not necessarily consistent with generally
accepted accounting principles:

                          YIELD = 2 [(a - b + 1)^6 - 1]
                                      -----
                                       cd

      Where:   a   =  dividends and interest earned during the period.
               b   =  expenses accrued for the period (net of reimbursements).
               c   =  the average daily number of shares outstanding during the 
                      period.
               d   =  the net asset value per share on the last day of the
                      period.

   
       The Fund's yield for the month ended December 31, 1998 was 5.00%.
    

      Average annual total returns and cumulative total returns measure both net
investment income and realized and unrealized appreciation or depreciation for a
specified period, assuming reinvestment of capital gains distributions and
income dividends. Average annual total returns are annualized, so they show the
average annual percentage change over the specified period. Cumulative total
returns are not annualized, so they show the aggregate percentage or dollar
value change over the specified period. The tables below show the Fund's returns
for the periods indicated. These figures reflect the reinvestment of all capital
gains distributions and income dividends paid by the Fund, and the deduction of
all Fund expenses. The actual returns for owners of GIAC's variable annuities or
variable life insurance policies will be lower to reflect the effects of charges
deducted under the terms of the specific contracts.

   
                                                                     Annual
             Year Ended Dec. 31                                    Total Return
            ------------------                                    ------------
            1984................................................       13.04%
            1985................................................       22.36%
            1986................................................       14.84
            1987................................................        0.32%
            1988................................................        9.70%
            1989................................................       13.88%
            1990................................................        7.57%
            1991................................................       16.19%
            1992................................................        7.70%
            1993................................................        9.85%
            1994................................................       (3.45)%
            1995................................................       17.59%
            1996................................................        2.88%
            1997................................................        8.99%
            1998................................................        8.10%
    


                                       8
<PAGE>

   
                                                            Cumulative and
                                                           Average Annual
Period Ended December 31, 1998                              Total Returns
- ------------------------------                              -------------
Lifetime Total Return of the Fund*........................     301.41%
  Average Annual Lifetime Total Return of the Fund*.......       9.29%
Ten-Year Total Return.....................................     131.79%
  Average Annual Ten-Year Total Return....................       8.77%
Five-Year Total Return....................................      37.59%
  Average Annual Five-Year Total Return...................       6.59%
One-Year Total Return.....................................       8.10%
    

- ----------
* Beginning May 1, 1983 (commencement of the Fund's investment operations).

      Bond prices fluctuated during the periods covered by the tables and the
results illustrated above are not representative of future performance.

      The Fund uses the following standardized formula prescribed by the SEC to
compute its average annual total return.

                                P (1 + T)^n = ERV

      Where:   P    =   a hypothetical initial purchase order of $1,000 (No
                        sales load is deducted as Fund shares are sold at net
                        asset value).
               T    =   average annual total return.
               n    =   number of years.
               ERV  =   ending redeemable value of the hypothetical $1,000
                        purchase at the end of the period.

      Total return is calculated in a similar manner, except that the results
are not annualized.

      The following example shows the average annual total return performance of
the Fund for the periods indicated by showing the average annual percentage
change for each period and the ending redeemable value of a $1,000 investment.
The example takes into account all Fund expenses and assumes reinvestment of all
capital gains distributions and income dividends, but does not take into account
charges deducted under the terms of GIAC's variable contracts or Federal income
taxes and tax penalties that may be incurred when distributions are made from
such variable contracts.

   
                                                             % Change 
For the year ended December 31, 1998 .....................     8.10%    
For the 5 years ended December 31, 1998 ..................     6.59%    
For the 10 years ended December 31, 1998 .................     8.77%    
For the life of the Fund through December 31, 1998 .......     9.29%    
    
 
      As stated in the Prospectus, the Fund may also advertise "distribution
rates." Historical distribution rates are calculated by taking the sum of the
income and short-term capital gain dividends per share for a 12 month period and
dividing the result by the Fund's net asset value per share on the last day of
the calculation period. Annualized distribution rates are calculated by
multiplying the income and short-term capital gain dividends per share for the
last month by 12 and then dividing the result by the Fund's net asset value per
share as of the end of such month.

      The distribution rate is simply a measure of the level of income dividends
and short-term capital gain dividends distributed for a specified period. It is
not a complete measure of performance, and may be greater than yield since, for
instance, it includes non-recurring short-term gains. The distribution rate may
not include the effects of amortizing bond premiums.

      The Fund may compare its performance to that of other mutual funds with
similar investment objectives or programs, and may quote information from
financial, industry or general interest publications in its promotional
materials. Additionally, its materials may contain references to types and
characteristics of certain securities; features of its portfolio; financial
markets; or historical, current or prospective economic trends. Topics of
general interest, such as personal financial planning, may also be discussed.

      Performance calculations contained in reports by Lipper Analytical
Services, Inc., CDA Investment Technologies, Inc., Morningstar, The WM Company,
Variable Annuity & Research Data Service or industry or financial publications
of general interest such as Business Week, Financial World, Forbes, Financial
Times, The Wall Street Journal, The New York Times, Barron's and Money which may
be quoted by the Fund are often based upon changes in net asset value with all
dividends reinvested and may not reflect the imposition of charges deducted
under the terms of GIAC's variable contracts.

      The Fund's performance figures are based upon historical results and do
not represent future performance. Returns on net asset value will fluctuate.
Factors affecting the Fund performance include general market conditions,
operating expenses and


                                       9
<PAGE>

investment management. Shares of the Fund are redeemable by GIAC on behalf of
GIAC contractowners at net asset value, which may be more or less than original
cost.

                         CALCULATION OF NET ASSET VALUE

      The Fund's net asset per share is determined as of the earlier of 4:00
p.m. Eastern time or the close of trading on the NYSE on each day on which the
NYSE is open for business. The net asset value per share is calculated by adding
the value of all securities, cash or other assets, subtracting liabilities,
dividing the remainder by the number of shares outstanding and adjusting the
results to the nearest full cent per share.

      The calculation of the Fund's net asset value may not occur
contemporaneously with the determination of the value of any foreign securities
included in such calculation because trading on foreign exchanges may not take
place every day the NYSE is open and the NYSE may be closed when foreign
exchanges are open for business.

                             SECURITIES VALUATIONS

      Securities which are listed or traded on any securities exchange or on the
NASDAQ National Market System are valued at the last sale price or, if there
have been no sales during the day, on the closing bid price. Securities traded
on more than one exchange shall be valued on the exchange where the security is
principally traded, and the last sale price of the security on other exchanges
shall be used only if there were no trades on the principal exchange on that
date. Securities traded both on an exchange and in the over-the-counter market
are valued according to the broadest and most representative market. Certain
debt securities may be valued each business day by an independent pricing
service ("Service"). Debt securities for which quoted bid prices, in the
judgment of the Service, are readily available and are representative of the bid
side of the market are valued at the quoted bid price (as obtained by the
Service from dealers in such securities). Other debt securities that are valued
by the Service are carried at fair value as determined by the Service, based on
methods which include consideration of: yields or prices for securities of
comparable quality, coupon, maturity and type; indications as to values from
dealers; and general market conditions. Certain debt securities, including
securities for which market quotations are not readily available, such as
illiquid securities, are valued at fair value as determined in good faith by or
under the direction of the Fund's Board of Directors. Repurchase agreements are
carried at cost which approximates market value.
 
                          CUSTODIAN AND TRANSFER AGENT

      State Street Bank and Trust Company ("State Street Bank"), Custody
Division, 1776 Heritage Drive, North Quincy, Massachusetts 02171, is the
custodian of the Fund's assets. Portfolio securities purchased for the Fund
outside of the U.S. are cleared through foreign depositories and are maintained
in the custody of foreign banks and trust companies which are members of State
Street Bank's Global Custody Network. State Street Bank and each of the foreign
custodial institutions holding portfolio securities of the Fund have been
approved by the Board in accordance with regulations under the 1940 Act.

      To the extent required by the SEC, the Board will review, at least
annually, whether it is in the best interest of the Fund and its shareholders to
maintain Fund assets in each foreign custodial institution. However, there can
be no assurance that the Fund will not be adversely affected by any
non-investment risks associated with holding assets abroad. Such risks may be
greater than those associated with holding assets in the U.S.

      State Street Bank is also the Fund's transfer agent and dividend paying
agent. As such, State Street Bank issues and redeems shares of the Fund and
distributes dividends to the GIAC separate accounts which invest in the Fund's
shares on behalf of GIAC's variable contractowners.

      State Street Bank plays no part in formulating the investment policies of
the Fund or in determining which portfolio securities are to be purchased or
sold by the Fund.

                              BROKERAGE ALLOCATION

      GISC currently serves as investment adviser to several other
Guardian-sponsored mutual funds and may act as investment adviser to others in
the future. GISC allocates purchase and sale transactions among the Fund and its
other mutual fund clients as it deems equitable. GISC is also registered with
the Securities and Exchange Commission ("SEC") and the National Association of
Securities Dealers, Inc. as a broker-dealer. GISC has no formula for the
distribution of brokerage business when it places orders to buy and sell
approved investments. For over-the-counter transactions, GISC will attempt to
deal with a primary market maker unless better prices and execution are
available elsewhere. In allocating portfolio transactions to different brokers,
GISC gives consideration to brokers whom it believes can obtain the best price
and execution of orders, and to brokers who furnish statistical data, research
and other factual information. GISC is authorized to pay a commission in excess
of that which another broker may charge for effecting the same transaction if
GISC considers that the commissions it pays for brokerage, research services and
other statistical data are appropriate and reasonable for the services rendered.
The research services and statistical data which GISC receives in connection
with the Fund's portfolio transactions may be used by GISC to benefit its other
clients and will not necessarily be used in connection with the Fund.

      GISC does not participate in commissions paid by the Fund to other brokers
or dealers and does not knowingly receive any reciprocal business directly or
indirectly as a result of paying commissions to other brokers or dealers. Since
it is expected that most purchases made by the Fund will be principal
transactions at net prices, the Fund will incur little or no brokerage costs.
For the fiscal years ended December 31, 1996, 1997 and 1998, the Fund paid no
brokerage commissions.

                                 LEGAL OPINIONS

      The legality of the Fund shares described in the Prospectus has been
passed upon by Richard T. Potter, Jr., Esq., Vice President and Equity Counsel,
The Guardian Life Insurance Company of America, who is also Counsel of the Fund.
Federal securities law matters relating to the Fund have been passed upon by the
law firm of Vedder, Price, Kaufman & Kammholz of Chicago, Illinois.

                                  CAPITAL STOCK

      Voting Rights. Through its separate accounts, GIAC is the Fund's sole
shareholder of record, so, under the 1940 Act, GIAC is deemed to be in control
of the Fund. Nevertheless, when a shareholders' meeting occurs, GIAC solicits
and accepts voting instructions from its contractowners who have allocated or
transferred monies for an investment in the Fund as of the record date for the
meeting. GIAC then votes the Fund's shares that are attributable to its
contractowners' interests in the Fund in accordance with their instructions.
GIAC will vote shares for which no instructions are received in the same
proportion as it votes shares for which it does receive instructions. GIAC will
vote any shares that it is entitled to vote directly due to amounts it has
contributed or accumulated in its separate accounts in the manner described in
the prospectuses for its variable annuities and variable life insurance
policies.

      Each share of the Fund is entitled to one vote, and fractional shares are
entitled to fractional votes. Fund shares have non-cumulative voting rights, so
the vote of more than 50% of the shares can elect 100% of the directors.

      The Fund is not required to hold annual shareholder meetings, but special
meetings may be called to elect or remove directors, change fundamental policies
or approve an investment advisory agreement, among other things.

                              INDEPENDENT AUDITORS
                            AND FINANCIAL STATEMENTS

       The independent auditors of the Fund are Ernst & Young LLP, 787 Seventh
Avenue, New York, New York 10019. Ernst & Young LLP audits and reports on the
financial statements of the Fund which appear in the Fund's Annual Report to
Shareholders for the year ended December 31, 1998. That Annual Report is
incorporated by reference in this Statement of Additional Information.


                                       10
<PAGE>

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


                       This page intentionally left blank.


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

                                       11
<PAGE>

                                    APPENDIX

DESCRIPTIONS OF TYPES OF DEBT OBLIGATIONS

      U.S. Government Agency and Instrumentality Securities: U.S. government
agency securities are debt obligations issued by agencies or authorities
controlled by and acting as instrumentalities of the U.S. government established
under authority granted by Congress. U.S. government agency obligations include,
but are not limited to, those issued by the Bank for Co-operatives, Federal Home
Loan Banks, Federal Intermediate Credit Banks, and the Federal National Mortgage
Association. U.S. government instrumentality obligations include, but are not
limited to, those issued by the Export-Import Bank and Farmers Home
Administration. Some obligations issued or guaranteed by U.S. government
agencies and instrumentalities are supported by the full faith and credit of the
U.S. Treasury; others, by the right of the issuer to borrow from the Treasury;
others, by discretionary authority of the U.S. government to purchase certain
obligations of the agency or instrumentality; and others, only by the credit of
the agency or instrumentality. No assurance can be given that the U.S.
government will provide financial support to such U.S. government sponsored
agencies or instrumentalities in the future, since it is not obligated to do so
by law. The Fund will invest in such securities only when the Board of Directors
of the Fund is satisfied that the credit risk with respect to the issuer is
minimal.

      U.S. Treasury Securities: U.S. Treasury securities consist of Treasury
Bills, Treasury Notes and Treasury Bonds. These securities are each backed by
the full faith and credit of the U.S. government and differ in their interest
rates, maturities, and dates of issuance. U.S. Treasury Bills are issued with
maturities of up to one year. Three month bills are currently offered by the
Treasury on a 13-week cycle and are auctioned each week by the Treasury. U.S.
Treasury Notes may be issued with an original maturity of not less than one year
and not more than 10 years. U.S. Treasury Bonds may be issued with any maturity,
but generally have original maturities of over 10 years.

      Commercial Paper: Commercial paper is generally defined as unsecured
short-term notes issued in bearer form by large, well-known corporations and
finance companies. Maturities on commercial paper range from a few days to nine
months. Commercial paper is also sold on a discount basis.

      Repurchase Agreements: Repurchase agreements are instruments under which
the Fund purchases a debt security and obtains a simultaneous commitment from
the seller (a bank or broker-dealer) to repurchase the debt security at an
agreed time and price. The resale price is in excess of the purchase price and
reflects an agreed upon market rate unrelated to the coupon rate on the
purchased security. Such transactions afford an opportunity for the Fund to
invest temporarily available cash and earn a return that is insulated from
market fluctuations during the term of the agreement. Repurchase agreements are
fully collateralized (including the interest earned thereon) by U.S. government
securities, bank obligations, cash or cash equivalents and are marked-to-market
daily during their entire terms. The risk to the Fund is limited to the risk
that the seller will be unable to pay the agreed upon sum upon the delivery
date. In the event of default, the Fund is entitled to sell the underlying
collateral. Any loss to the Fund will be the difference between the proceeds
from the sale of the collateral and the repurchase price. If bankruptcy
proceedings are commenced against the seller, disposition of the collateral by
the Fund may be delayed or limited. To minimize this risk, the Board of
Directors will periodically evaluate the creditworthiness of broker-dealers and
banks which enter into repurchase agreements with the Fund.

      Corporate Obligations: Corporate obligations include bonds and notes
issued by corporations in order to finance longer term credit needs. The Fund
will normally invest in corporate obligations which are rated in one of the four
highest rating categories established by Moody's Investors Service, Inc. or
Standard & Poor's Ratings Group, or, if not rated, are of equivalent quality as
determined by the Fund's investment adviser.

DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC.'S ("MOODY'S") LONG TERM DEBT
RATINGS

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

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


                                       12
<PAGE>

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

      Baa. Bonds 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 the
desirable investment. Assurance of interest and principal payments or of
maintenance of other terms of the contract over any long period of time may be
small.

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

DESCRIPTION OF STANDARD & POOR'S RATINGS GROUP'S ("STANDARD & POOR'S") CORPORATE
DEBT RATINGS

      AAA. Debt rated "AAA" has the highest rating assigned by Standard &
Poor's. Capacity to pay interest and repay principal is extremely strong.

      AA. Debt rated "AA" has a very strong capacity to pay interest and repay
principal, and differs from the highest rated issues only in small degree.

      A. Debt rated "A" has a strong capacity to pay interest and repay
principal although it is somewhat more susceptible to the adverse effects of
changes in circumstances and economic conditions than debt in higher rated
categories.

      BBB. Debt rated "BBB" is regarded as having an adequate capacity to pay
interest and repay principal. Whereas it normally exhibits adequate protection
parameters, adverse economic conditions or changing circumstances are more
likely to lead to a weakened capacity to pay interest and repay principal for
debt in this category than in higher rated categories.

      BB and B. Debt rated "BB" or "B" is regarded, on balance, as predominantly
speculative with respect to the capacity to pay interest and repay principal in
accordance with the terms of the obligation. "BB" indicates a lower degree of
speculation than "B." While such debt will likely have some quality and
protective characteristics, those characteristics can be outweighed by large
uncertainties or major exposures to adverse conditions.

      Note: Standard & Poor's ratings may be modified by the addition of a plus
(+) or minus (-) sign to show relative standing within the major categories.

USING THE RATINGS

      These ratings represent Moody's and Standard & Poor's opinions as to the
quality of the securities that they undertake to rate. It should be emphasized
that ratings are general and are not absolute standards of quality.
Consequently, securities with the same maturity, interest rate and rating may
have different market prices. Subsequent to its purchase by the Fund, an issue
of securities may cease to be rated or its rating may be reduced. GISC will
consider such an event in determining whether the Fund should continue to hold
the obligation.


                                       13
<PAGE>

                          THE GUARDIAN BOND FUND, INC.

                            PART C. OTHER INFORMATION

Item 23. Exhibits 

         Number             Description
         --------           -----------
     
   
          (a)         -- Articles of Incorporation(2)
          (b)         -- By-Laws(3)
          (c)         -- Not Applicable
          (d)         -- Investment Advisory Agreement(2)
          (e)(i)      -- Selected Dealers Agreement(1)
          (e)(ii)     -- Distribution Agreement(1)
          (f)         -- Not Applicable
          (g)         -- Custodian Agreement and Amendment
                           to Custodian Agreement(2)
          (h)         -- Transfer Agency Agreement(2)
          (i)         -- Opinion and Consent of Counsel(2)
          (j)(i)      -- Consent of Counsel
          (j)(ii)     -- Consent of Ernst & Young LLP
          (j)(iii)    -- Consent of Vedder, Price, Kaufman & Kammholz
          (k)         -- Not Applicable
          (l)         -- Letter from The Guardian Insurance & Annuity
                           Company, Inc. with respect to providing the
                           initial capital for the Registrant(1)
          (m)         -- Not Applicable
          (n)         -- Financial Data Schedule
          (o)         -- Not Applicable
          (p)         -- Miscellaneous
          (p)(i)      -- Powers of Attorney executed by a majority of the Board
                         of Directors and certain principal officers of the
                         Fund
    
     
- ----------
(1)   Incorporated by reference to Registrant's filing (Reg. No. 2-81150) of
      March 29, 1983.

   
(2)   Incorporated by reference to Post-Effective Amendment No. 17 to the
      Registrant's registration statement on Form N-1A (Reg. No. 2-81150), filed
      via EDGAR on April 28, 1998.
    


                                      C-1
<PAGE>

Item 24. Persons Controlled by or Under Common Control with Registrant

   
      The following list sets forth the persons directly controlled by The
Guardian Life Insurance Company of America ("Guardian Life") as of February 28,
1999:

                                                                 Percentage of
                                       State of Incorporation  Voting Securities
          Name of Entity                   or Organization           Owned
          --------------               ----------------------  -----------------
The Guardian Insurance &                      Delaware               100%
 Annuity Company, Inc.
Guardian Asset Management                     Delaware               100%
 Corporation
Park Avenue Life Insurance                    Delaware               100%
 Company
Guardian Reinsurance Services                Connecticut             100%
 Inc.
Private Healthcare Systems, Inc.              Delaware                48%
Managed Dental Care, Inc.                    California              100%
The Guardian Baillie Gifford
  International Fund                        Massachusetts             22%
The Guardian Investment Quality Bond Fund   Massachusetts             34%
Baillie Gifford International Fund            Maryland                24%
Baillie Gifford Emerging Markets Fund         Maryland                33%
The Guardian Tax-Exempt Fund                Massachusetts             89%
The Guardian Asset Allocation Fund          Massachusetts             11%
The Guardian Park Avenue Small Cap Fund     Massachusetts             19%
The Guardian High Yield Bond Fund           Massachusetts             91%
The Guardian Baillie Gifford Emerging 
  Markets Fund                              Massachusetts             76%
The Guardian Small Cap Stock Fund             Maryland                33%

      The following list sets forth the persons directly controlled by
affiliates of Guardian Life, and thereby indirectly controlled by Guardian Life,
as of February 28, 1999:

                                                                 Approximate
                                                            Percentage of Voting
                                                              Securities Owned
                                   Place of Incorporation     by Guardian Life
         Name of Entity                or Organization           Affiliates
         --------------            ----------------------   --------------------
Guardian Investor Services                New York                  100%
 Corporation
Guardian Baillie Gifford Limited          Scotland                   51%
The Guardian Cash Fund, Inc.              Maryland                  100%
The Guardian Bond Fund, Inc.              Maryland                  100%
The Guardian Stock Fund, Inc.             Maryland                  100%
GIAC Funds, Inc.                          Maryland                  100%
Park Avenue Securities LLC                Delaware                  100%
    

Item 25. Indemnification

      Reference is made to Registrant's Articles of Incorporation which have
been filed as Exhibit Number 1 to Post-Effective Amendment No. 17 to the
Registration Statement on April 28, 1998 and are incorporated herein by
reference.


                                      C-2
<PAGE>

Item 26. Business and Other Connections of Investment Adviser

   
      Guardian Investor Services Corporation ("GISC") acts as the sole
investment adviser for The Guardian Stock Fund, Inc., The Guardian Cash Fund,
Inc., The Guardian Bond Fund, Inc., and seven of the nine operational series
funds comprising The Park Avenue Portfolio, namely: The Guardian Cash Management
Fund, The Guardian Park Avenue Fund, The Guardian Park Avenue Small Cap Fund,
The Guardian Investment Quality Bond Fund, The Guardian Tax-Exempt Fund, The
Guardian High Yield Bond Fund and The Guardian Asset Allocation Fund and one of
the three series funds comprising GIAC Funds, Inc. namely The Guardian Small Cap
Stock Fund. GISC is also the manager of Gabelli Capital Asset Fund. GISC's
principal business address is 7 Hanover Square, New York, New York 10004. GISC
is also the underwriter of the Park Avenue Portfolio and GIAC Funds, Inc. In
addition, GISC is the distributor of The Park Avenue Portfolio and variable
annuities and variable life insurance policies offered by The Guardian Insurance
& Annuity Company, Inc. ("GIAC") through its separate accounts. These separate
accounts, The Guardian/Value Line Separate Account, The Guardian Separate
Account A, The Guardian Separate Account B, The Guardian Separate Account C, The
Guardian Separate Account D, The Guardian Separate Account E, The Guardian
Separate Account K and The Guardian Separate Account M, are all unit investment
trusts registered under the Investment Company Act of 1940, as amended.

      A list of GISC's officers and directors is set forth below, indicating the
business, profession, vocation or employment of a substantial nature in which
each person has been engaged during the past two fiscal years for his or her own
account or in the capacity of director, officer, partner, or trustee, aside from
any affiliation with the Registrant. Except where otherwise noted, the principal
business address of each company is 7 Hanover Square, New York, New York 10004.

<TABLE>
<CAPTION>
                                                      Other Substantial Business,
     Name                 Position(s) with GISC    Profession, Vocation or Employment
     ----                 ---------------------    ----------------------------------
<S>                       <C>                      <C>
Philip H. Dutter          Director                 Independent Consultant (self-employed).
                                                   Director: The Guardian Life Insurance Company of America.
                                                   Director: The Guardian Insurance & Annuity Company, Inc.
                                                   Manager: Park Avenue Securities LLC

William C. Warren         Director                 Retired. Director: The Guardian Life Insurance Company of
                                                   America.
                                                   Director: The Guardian Insurance & Annuity Company, Inc.     
                                                   Manager: Park Avenue Securities LLC

Peter L. Hutchings        Director                 Executive Vice President and Chief Financial Officer: The
                                                   Guardian Life Insurance Company of America. Director:  The
                                                   Guardian Insurance and Annuity Company, Inc. Director: Guardian
                                                   Asset Management Corporation.  Manager: Park Avenue Securities
                                                   LLC
</TABLE>
    


                                      C-3
<PAGE>

   
<TABLE>
<CAPTION>
                                                      Other Substantial Business,
     Name                 Position(s) with GISC    Profession, Vocation or Employment
     ----                 ---------------------    ----------------------------------
<S>                       <C>                      <C>
Arthur V. Ferrara         Director                 Retired. Chairman of the Board and Chief Executive Officer:
                                                   The Guardian Life Insurance Company of America until 12/95.
                                                   Director (Trustee) of The Guardian Insurance & Annuity
                                                   Company, Inc., Guardian Asset Management Corporation, and
                                                   various Guardian-sponsored mutual funds. Manager: Park
                                                   Avenue Securities LLC.

John M. Smith             President &              Executive Vice President: The
                          Director                 Guardian Life Insurance Company of America. Executive Vice
                                                   President and Director: The Guardian Insurance & Annuity
                                                   Company, Inc. Director: Guardian Baillie Gifford Ltd.*
                                                   Guardian Asset Management Corporation. President: GIAC Funds,
                                                   Inc.

Leo R. Futia              Director                 Director: The Guardian Life Insurance Company of America.
                                                   Director: The Guardian Insurance & Annuity Company, Inc.
                                                   Director/Trustee of Various Guardian-sponsored mutual
                                                   funds. Manager: Park Avenue Securities LLC. Director/Trustee
                                                   of various mutual funds sponsored by Value Line, Inc.**

Ryan W. Johnson           Senior Vice President    Vice President, Equity Sales, The Guardian Life Insurance
                          and National Sales       Company of America since 2/98; Second Vice President, Equity
                          Director                 Sales, prior thereto.

Frank J. Jones            Director                 Executive Vice President and Chief Investment Officer: The
                                                   Guardian Life Insurance Company of America. Director,
                                                   Executive Vice President and Chief Investment Officer: The
                                                   Guardian Insurance & Annuity Company, Inc. Director:
                                                   Guardian Asset Management Corporation. Manager: Park Avenue
                                                   Securities LLC Officer of various Guardian-sponsored mutual
                                                   funds.
</TABLE>
    

- --------------------------------------------------------------------------------
*  Principal business address:1 Rutland Court, Edinburgh EH#3 8EY, Scotland.
** Principal business address:711 Third Avenue, New York, NY10017.


                                      C-4
<PAGE>

<TABLE>
<CAPTION>
                                                       Other Substantial Business,
     Name                 Position(s) with GISC    Profession, Vocation or Employment
     ----                 ---------------------    ----------------------------------
<S>                       <C>                      <C>
   
Joseph D. Sargent         Director                 President and Chief Executive Officer: The Guardian Life
                                                   Insurance Company, since 1/96; President and Director prior
                                                   thereto. President, Chief Executive Officer and Director: The
                                                   Guardian Insurance & Annuity Company, Inc. and Park Avenue
                                                   Life Insurance Company. Director: Guardian Asset Management
                                                   Corporation. Manager: Park Avenue Securities LLC.
                                                   Director: Guardian Baillie Gifford, Ltd.*
                                                   
    

Frank L. Pepe             Vice President &         Vice President and Equity
                          Controller               Controller, Equity Products: The Guardian Life Insurance
                                                   Company of America. Vice President and Controller: The
                                                   Guardian Insurance & Annuity Company, Inc. Controller:
                                                   Guardian Asset Management Corporation. Officer of various
                                                   Guardian-sponsored mutual funds.

   
Richard T. Potter, Jr.    Vice President and       Vice President and Equity Counsel: The Guardian Life
                          Counsel                  Insurance Company of America. Vice President and Counsel: 
                                                   The Guardian Insurance & Annuity Company, Inc., Guardian
                                                   Asset Management Corporation, Park Avenue Securities LLC and
                                                   various Guardian-sponsored mutual funds.

Donald P. Sullivan, Jr.   Vice President           Vice President: The Guardian Life Insurance Company of
                                                   America since 3/99; Second Vice President and Assistant Vice
                                                   President prior thereto. Vice President: The Guardian
                                                   Insurance & Annuity Company, Inc.
    

Peggy L. Coppola          Second                   Assistant Vice President, Equity Sales Support,
                          Vice President           The Guardian Life Insurance Company of America. Second Vice
                                                   President, The Guardian Insurance & Annuity Company Inc.

Ann T. Kearney            Second Vice              Second Vice President: Group Pensions:
                          President                The Guardian Life Insurance Company of America. Second Vice
                                                   President: The Guardian Insurance & Annuity Company, Inc.
</TABLE>


                                      C-5
<PAGE>

<TABLE>
<CAPTION>
                                                       Other Substantial Business,
     Name                 Position(s) with GISC    Profession, Vocation or Employment
     ----                 ---------------------    ----------------------------------
<S>                       <C>                      <C>
   
Alexander M. Grant, Jr.   Second Vice              Vice President: Investments: The Guardian Life Insurance 
                          President                Company of America since 3/99; Second Vice President; Investments 1/97-2/99; 
                                                   Assistant Vice President prior thereto. Officer of various Guardian-sponsored 
                                                   mutual funds.

Earl C. Harry             Treasurer                Treasurer: The Guardian Life Insurance Company of America
                                                   since 7/96, Assistant Treasurer prior thereto. Treasurer,
                                                   The Guardian Insurance & Annuity Company. Treasurer: Park Avenue
                                                   Securities LLC.

Joseph A. Caruso          Vice President and       Vice President and Secretary, The Guardian Life
                          Secretary                Insurance Company of America. Vice President and Secretary:
                                                   The Guardian Insurance & Annuity Company, Inc., Park Avenue 
                                                   Securities LLC, Secretary: Park Avenue Life Insurance Company, 
                                                   Guardian Asset Management Corporation and various 
                                                   Guardian-sponsored mutual funds.
    
</TABLE>

Item 27. Principal Underwriters

   
      (a) GISC is the principal underwriter and distributor of the nine funds
comprising The Park Avenue Portfolio, namely: The Guardian Park Avenue Fund, The
Guardian Park Avenue Small Cap Fund, The Guardian Park Avenue Tax-Efficient
Fund, The Guardian Cash Management Fund, The Guardian Investment Quality Bond
Fund, The Guardian High Yield Bond Fund, The Guardian Tax-Exempt Fund, The
Guardian Baillie Gifford International Fund, The Guardian Baillie Gifford
Emerging Markets Fund and The Guardian Asset Allocation Fund. In addition, GISC
is the distributor of variable annuities and variable life insurance policies
offered by GIAC through GIAC's separate accounts: The Guardian/Value Line
Separate Account, The Guardian Separate Account A, The Guardian Separate Account
B, The Guardian Separate Account C, The Guardian Separate Account D, The
Guardian Separate Account E, and The Guardian Separate Account K, and The
Guardian Separate Account M, which are all registered as unit investment trusts
under the Investment Company Act of 1940, as amended. These latter separate
accounts buy and sell shares of The Guardian Stock Fund, Inc., The Guardian Bond
Fund, Inc., The Guardian Cash Fund, Inc. and GIAC Funds, Inc. on behalf of
GIAC's variable contractowners.
    


                                      C-6
<PAGE>

   
      (b) The principal business address of the officers and directors of GISC
listed below is Hanover Square, New York 10004.
    

                                 Position(s)                     Position(s)
     Name                     with Underwriter                 with Registrant
     ----                     ----------------                 ---------------

John M. Smith               President & Director                  None
Arthur V. Ferrara           Director                              Director
Leo R. Futia                Director                              Director
Peter L. Hutchings          Director                              None
Philip H. Dutter            Director                              None
William C. Warren           Director                              None
Joseph D. Sargent           Director                              Chairman
Frank J. Jones              Director                              President
Ryan W. Johnson             Senior Vice President and             None
                             National Sales Director
Frank L. Pepe               Vice President & Controller           Vice President
   
Richard T. Potter, Jr.      Vice President and Counsel            Counsel
    
Donald P. Sullivan, Jr.     Vice President                        None
Ann T. Kearney              Second Vice President                 Controller
Alexander M. Grant, Jr.     Second Vice President                 Treasurer
       
Peggy L. Coppola            Second Vice President                 None
Earl C. Harry               Treasurer                             None
   
Joseph A. Caruso            Vice President and Secretary          Secretary
    

      (c) Not Applicable.

Item 28. Location of Accounts and Records

   
      Most of the Registrant's accounts, books and other documents required to
be maintained by Section 31(a) of the Investment Company Act of 1940 and the
rules promulgated thereunder are maintained by the custodian and the transfer
agent for the Registrant, the State Street Bank and Trust Company, 1776 Heritage
Drive, North Quincy, Massachusetts 02171. The Registrant's corporate records are
maintained by the Registrant at 7 Hanover Square, New York, New York 10004.
    

Item 29. Management Services

      None.

Item 30. Undertakings

      Not applicable.


                                      C-7
<PAGE>

                                   SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, and the Investment
Company Act of 1940, the Registrant, The Guardian Bond Fund, Inc. has duly
caused this Post-Effective Amendment to the Registration Statement to be signed
on its behalf by the undersigned, thereunto duly authorized, in the City of New
York and the State of New York on the 29th day of April, 1999.


                                       THE GUARDIAN BOND FUND, INC.


                                       By  /s/ FRANK J. JONES
                                          ---------------------------------
                                               Frank J. Jones
                                               President
<PAGE>

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective
Amendment to the Registration Statement has been signed below by the following
persons in the capacities and on the date indicated.


/s/FRANK J. JONES                      President
- ---------------------------------      (Principal Executive Officer)
  Frank J. Jones                 


/s/ALEXANDER M. GRANT*                 Treasurer
- ---------------------------------      (Principal Financial Officer)
  Alexander M. Grant             


/s/FRANK L. PEPE*                      Controller
- ---------------------------------      (Principal Accounting Officer)
  Frank L. Pepe                  


/s/JOHN C. ANGLE*                      Director
- ---------------------------------
  John C. Angle


   
/s/ Frank J. Fabozzi                   Director
- ---------------------------------
  Frank J. Fabozzi
    


/s/ARTHUR V. FERRARA*                  Director
- ---------------------------------
Arthur V. Ferrara


/s/LEO R. FUTIA*                       Director
- ---------------------------------
  Leo R. Futia


/s/WILLIAM W. HEWITT, JR.*             Director
- ---------------------------------
 William W. Hewitt, Jr.


/s/SIDNEY I. LIRTZMAN*                 Director
- ---------------------------------
 Sidney I. Lirtzman


   
/s/ Joseph D. Sargent                  Director
- ---------------------------------
  Joseph D. Sargent


/s/ Carl W. Schafer                    Director
- ---------------------------------
  Carl W. Schafer
    


/s/ROBERT G. SMITH*                    Director
- ---------------------------------
  Robert G. Smith


   
*By  /s/ JOHN M. SMITH                                      Date: April 29, 1999
- ---------------------------------
         John M. Smith        
 Pursuant to a Power of Attorney
    
<PAGE>

   
                          The Guardian Bond Fund, Inc.

                                  Exhibit Index

Number            Description
- ------            -----------

(j)(i)            Consent of Counsel
(j)(ii)           Consent of Ernst & Young LLP
(j)(iii)          Consent of Vedder, Price, Kaufman & Kammholz
(p)((i)           Power of Attorney executed by a majority of the Board of 
                  Directors and certain principal officers of the Fund
27                Financial Data Schedule
    



                               CONSENT OF COUNSEL

I hereby consent both to the reference to my name under the heading "Legal
Opinions" in the Statement of Additional Information constituting part of this
Post-Effective Amendment to the Registration Statement on Form N-1A for The
Guardian Bond Fund, Inc. and to the filing of this consent as an exhibit to said
Amendment.


                                       /s/ Richard T. Potter, Jr.
                                       --------------------------------
                                           Richard T. Potter, Jr.
                                           Vice President and Counsel

New York, New York
April 26, 1999



               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the references to our firm under the captions "Financial
Highlights" in the Prospectus and "Independent Auditors and Financial
Statements" in the Statement of Additional Information in this Registration
Statement (Form N1-A No. 2-81150), and to the incorporation by reference therein
of our report dated February 10, 1999 on the financial statements and financial
highlights of The Guardian Bond Fund, Inc.


                                                               ERNST & YOUNG LLP

New York, New York
April 26, 1999



                [LETTERHEAD OF VEDDER, PRICE, KAUFMAN & KAMMHOLZ]

                                      April 28, 1999

The Guardian Bond Fund, Inc.
201 Park Avenue South
New York, New York 10003

Gentlemen and Ladies:

      We hereby consent to the reference to our name under the heading "Legal
Opinions" in the Statement of Additional Information contained in Post-Effective
Amendment No. 19 to the registration statement on Form N-1A for The Guardian
Bond Fund, Inc. (File No. 2-81150) and to the filing of this consent as an
exhibit to the registration statement.

                                          Very truly yours,

                                          VEDDER, PRICE, KAUFMAN & KAMMHOLZ


                                          By:       /s/ Cathy G. O'Kelly
                                              ----------------------------------
                                                      Cathy G. O'Kelly

COK/seh



                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that John C. Angle, whose signature appears
below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A. Caruso
and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each with
the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ John C. Angle
                                           --------------------------------
                                                    John C. Angle



Dated: March 31, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Frank J. Fabozzi, whose signature
appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A.
Caruso and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each
with the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Frank J. Fabozzi
                                           --------------------------------
                                                    Frank J. Fabozzi

Dated: March 31, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Arthur V. Ferrara, whose signature
appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A.
Caruso and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each
with the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Arthur V. Ferrara
                                           --------------------------------
                                                    Arthur V. Ferrara

Dated: April 1, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Leo R. Futia, whose signature appears
below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A. Caruso
and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each with
the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Leo R. Futia
                                           --------------------------------
                                                    Leo R. Futia

Dated: March 31, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that William W. Hewitt, Jr., whose
signature appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe,
Joseph A. Caruso and Richard T. Potter, Jr., and each of them, his
attorney-in-fact, each with the power of substitution, for him in any and all
capacities, to sign any registration statements and amendments to registration
statements for THE GUARDIAN BOND FUND, INC. and to file the same, with exhibits
thereto, and other documents in connection therewith, with the Securities and
Exchange Commission, hereby ratifying and confirming all that each of said
attorneys-in-fact, or his substitutes, may do or cause to be done by virtue
hereof.


                                             /s/ William W. Hewitt, Jr.
                                           --------------------------------
                                                 William W. Hewitt, Jr.

Dated: March 31, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Sidney I. Lirtzman, whose signature
appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A.
Caruso and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each
with the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                               /s/ Sidney I. Lirtzman
                                           --------------------------------
                                                   Sidney I. Lirtzman

Dated: April 1, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Joseph D. Sargent, whose signature
appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A.
Caruso and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each
with the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Joseph D. Sargent
                                           --------------------------------
                                                    Joseph D. Sargent

Dated: April 1, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Carl W. Schafer, whose signature
appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A.
Caruso and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each
with the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Carl W. Schafer
                                           --------------------------------
                                                    Carl W. Schafer

Dated: April 3, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Robert G. Smith, whose signature
appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe, Joseph A.
Caruso and Richard T. Potter, Jr., and each of them, his attorney-in-fact, each
with the power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Robert G. Smith
                                           --------------------------------
                                                   Robert G. Smith

Dated: April 1, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Frank J. Jones, whose signature
appears below, constitutes and appoints Frank L. Pepe, Joseph A. Caruso and
Richard T. Potter, Jr., and each of them, his attorney-in-fact, each with the
power of substitution, for him in any and all capacities, to sign any
registration statements and amendments to registration statements for THE
GUARDIAN BOND FUND, INC. and to file the same, with exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact, or his
substitutes, may do or cause to be done by virtue hereof.


                                                /s/ Frank J. Jones
                                           --------------------------------
                                                      Signature

Dated: April 26, 1999
<PAGE>

                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS that Alexander M. Grant, Jr., whose
signature appears below, constitutes and appoints Frank J. Jones, Frank L. Pepe,
Joseph A. Caruso and Richard T. Potter, Jr., and each of them, his
attorney-in-fact, each with the power of substitution, for him in any and all
capacities, to sign any registration statements and amendments to registration
statements for THE GUARDIAN BOND FUND, INC. and to file the same, with exhibits
thereto, and other documents in connection therewith, with the Securities and
Exchange Commission, hereby ratifying and confirming all that each of said
attorneys-in-fact, or his substitutes, may do or cause to be done by virtue
hereof.


                                             /s/ Alexander M. Grant, Jr.
                                           --------------------------------
                                                    Signature

Dated: April 26, 1999


<TABLE> <S> <C>


<ARTICLE>                                            6
<LEGEND>
THE GUARDIAN BOND FUND, INC.
This schedule contains financial information extracted from the "Annual Report
to Shareholders" dated December 31, 1998, and is qualified in its entirety to
such financial statements.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              DEC-31-1998 
<PERIOD-END>                                   DEC-31-1998 
<INVESTMENTS-AT-COST>                              442,279 
<INVESTMENTS-AT-VALUE>                             446,013 
<RECEIVABLES>                                        3,689 
<ASSETS-OTHER>                                           0 
<OTHER-ITEMS-ASSETS>                                     0 
<TOTAL-ASSETS>                                     449,702 
<PAYABLE-FOR-SECURITIES>                            67,586 
<SENIOR-LONG-TERM-DEBT>                                  0 
<OTHER-ITEMS-LIABILITIES>                              729 
<TOTAL-LIABILITIES>                                 68,315 
<SENIOR-EQUITY>                                      3,119 
<PAID-IN-CAPITAL-COMMON>                           373,586 
<SHARES-COMMON-STOCK>                               31,193 
<SHARES-COMMON-PRIOR>                               29,349 
<ACCUMULATED-NII-CURRENT>                              183 
<OVERDISTRIBUTION-NII>                                   0 
<ACCUMULATED-NET-GAINS>                                764 
<OVERDISTRIBUTION-GAINS>                                 0 
<ACCUM-APPREC-OR-DEPREC>                             3,734 
<NET-ASSETS>                                       381,387 
<DIVIDEND-INCOME>                                        0 
<INTEREST-INCOME>                                   22,781 
<OTHER-INCOME>                                           0 
<EXPENSES-NET>                                       2,454 
<NET-INVESTMENT-INCOME>                             20,327 
<REALIZED-GAINS-CURRENT>                             7,360 
<APPREC-INCREASE-CURRENT>                              676 
<NET-CHANGE-FROM-OPS>                               28,363 
<EQUALIZATION>                                           0 
<DISTRIBUTIONS-OF-INCOME>                          (20,239)
<DISTRIBUTIONS-OF-GAINS>                            (4,804)
<DISTRIBUTIONS-OTHER>                                    0 
<NUMBER-OF-SHARES-SOLD>                              6,975 
<NUMBER-OF-SHARES-REDEEMED>                         (7,181)
<SHARES-REINVESTED>                                  2,050 
<NET-CHANGE-IN-ASSETS>                              25,975 
<ACCUMULATED-NII-PRIOR>                                598 
<ACCUMULATED-GAINS-PRIOR>                                0 
<OVERDISTRIB-NII-PRIOR>                                  0 
<OVERDIST-NET-GAINS-PRIOR>                          (2,294)
<GROSS-ADVISORY-FEES>                                1,845 
<INTEREST-EXPENSE>                                       0 
<GROSS-EXPENSE>                                      2,454 
<AVERAGE-NET-ASSETS>                               368,913 
<PER-SHARE-NAV-BEGIN>                                12.11 
<PER-SHARE-NII>                                       0.69 
<PER-SHARE-GAIN-APPREC>                               0.28 
<PER-SHARE-DIVIDEND>                                 (0.69)
<PER-SHARE-DISTRIBUTIONS>                            (0.16)
<RETURNS-OF-CAPITAL>                                     0 
<PER-SHARE-NAV-END>                                  12.23 
<EXPENSE-RATIO>                                       0.67 
<AVG-DEBT-OUTSTANDING>                                   0 
<AVG-DEBT-PER-SHARE>                                     0 
        


</TABLE>


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