JANUS INVESTMENT FUND
497, 1995-11-01
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CONTENTS

THE FUND AT A GLANCE
Brief description of the Fund .............................................    1
EXPENSE INFORMATION
The Fund's annual operating expenses ......................................    1
Financial Highlights - a summary
  of financial data .......................................................    2
THE FUND IN DETAIL
The Fund's Investment
  Objective and Policies ..................................................    3
General Portfolio Policies ................................................    4

   
Additional Risk Factors ...................................................    5
    

PERFORMANCE TERMS
An Explanation of
  Performance Terms .......................................................    6
SHAREHOLDER'S MANUAL
Types of Account Ownership ................................................    7
How to Open an Account ....................................................    8
How to Purchase Shares ....................................................    8
How to Exchange Shares ....................................................    9
How to Redeem Shares ......................................................    9
  SHAREHOLDER SERVICES
  AND ACCOUNT POLICIES
JETS ......................................................................   11
Transactions Through
  Processing Organizations ................................................   11
Tax Identification Number .................................................   11
Share Certificates ........................................................   11
Involuntary Redemptions ...................................................   11
Telephone Transactions ....................................................   11
Making Changes to Your Account ............................................   11
Statements and Reports ....................................................   11
MANAGEMENT OF THE FUND
Management & Investment
  Personnel ...............................................................   12
Management Expenses .......................................................   12
Portfolio Transactions ....................................................   13
Other Service Providers ...................................................   13
Other Information .........................................................   13
DISTRIBUTIONS AND TAXES
Distribution Options and Taxes ............................................   14
APPENDIX A
Glossary of Investment Terms ..............................................   15

                                     [LOGO]

                               JANUS TWENTY FUND

                         100 Fillmore Street, Suite 300
                             Denver, CO 80206-4923
                                 1-800-525-3713

   
               February 15, 1995 as supplemented November 1, 1995
    

Janus  Twenty Fund (the  "Fund") is a no-load,  nondiversified  mutual fund that
seeks growth of capital in a manner consistent with the preservation of capital.
The Fund  emphasizes  investments in common stocks of companies that offer rapid
growth  potential.  Under  normal  conditions,  the Fund  will  concentrate  its
investments in a core position of 20-30 common stocks.

   
For complete  information on how to purchase,  exchange and sell shares,  please
see the Shareholder's Manual beginning on page 7.
    

The Fund is a  portfolio  of  Janus  Investment  Fund  (the  "Trust"),  which is
registered  with the Securities and Exchange  Commission  ("SEC") as an open-end
management  investment company.  This Prospectus contains  information about the
Fund that you should  consider  before  investing.  Please read it carefully and
keep it for future reference. 

   
Additional  information about the Fund is contained in a Statement of Additional
Information  ("SAI")  filed with the SEC. The SAI dated  February  15, 1995,  as
supplemented   November  1,  1995,  is   incorporated  by  reference  into  this
Prospectus.  For a copy of the SAI,  write or call  the Fund at the  address  or
phone number listed above. 
    

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

THIS  PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL SECURITIES IN ANY STATE OR
OTHER JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH AN OFFER IN
SUCH STATE OR OTHER JURISDICTION.


<PAGE>

THE FUND
AT A GLANCE

INVESTMENT OBJECTIVE:

The Fund seeks growth of capital in a manner consistent with the preservation of
capital.

PRIMARY HOLDINGS:

A  nondiversified   fund  that,  under  normal   conditions,   concentrates  its
investments  in a core  position of 20-30 common  stocks  offering  rapid growth
potential.

SHAREHOLDER'S 
INVESTMENT HORIZON:

The Fund is designed for long-term  investors who seek growth of capital and who
can  tolerate  the greater  risks  associated  with  investments  in foreign and
domestic common stocks. The Fund is not designed as a short-term trading vehicle
and should not be relied upon for short-term financial needs.

FUND ADVISER:

Janus Capital  Corporation  ("Janus  Capital")  serves as the Fund's  investment
adviser.  Janus Capital has been in the investment  advisory business for nearly
25 years and currently manages over $22 billion in assets.

FUND MANAGER:

Thomas F. Marsico

FUND INCEPTION:

April 30, 1985

EXPENSE INFORMATION

The tables and example  below are  designed to assist you in  understanding  the
various  costs and  expenses  that you will bear  directly or  indirectly  as an
investor in the Fund. Shareholder Transaction Expenses are fees charged directly
to your  individual  account when you buy,  sell or exchange  shares.  The table
below shows that you pay no such fees.  Annual Fund Operating  Expenses are paid
out of the Fund's assets and include fees for portfolio management,  maintenance
of shareholder accounts, shareholder servicing, accounting and other services.

SHAREHOLDER TRANSACTION EXPENSES

     Maximum  sales load  imposed on  purchases                             None
     Maximum  sales load imposed on reinvested  dividends                   None
     Deferred sales charges on redemptions                                  None
     Redemption fees*                                                       None
     Exchange fee                                                           None

* There is an $8 service fee for redemptions by wire.

ANNUAL FUND OPERATING EXPENSES(1)
(expressed as a percentage of average net assets)

Management Fee                       .67%
Other Expenses                       .35%
Total Fund Operating Expenses       1.02%

EXAMPLE(1)

                                             1 Year   3 Years  5 Years  10 Years
                                             ------   -------  -------  --------
Assume you invest $1,000, the Fund
returns 5% annually and its expense
ratio remains as listed above. This
example shows the operating expenses
that you would indirectly bear as an
investor in the Fund.                        $10       $32       $56       $125

(1)  The  information  in the table and example  above is for the fiscal  period
     ended October 31, 1994.

THE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION  OF PAST OR FUTURE RETURNS
OR EXPENSES WHICH MAY BE MORE OR LESS THAN THOSE SHOWN.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       1
<PAGE>

FINANCIAL HIGHLIGHTS

Unless otherwise  noted,  the information  below is for fiscal periods ending on
October 31 of each year. The accounting firm of Price Waterhouse LLP has audited
the Fund's financial  statements since October 1, 1990. Their report is included
in the Fund's Annual Report,  which is  incorporated  by reference into the SAI.
The Fund's  financial  statements  for fiscal  periods prior to October 1, 1990,
were audited by other independent  accountants whose reports are not included in
the Annual Report.  Expense and income ratios and portfolio  turnover rates have
been annualized for periods of less than one year.  Total returns for periods of
less than one year are not annualized.

<TABLE>
<CAPTION>
                                                   1994          1993          1992(1)      1992(2)       1991(2)     1990(2)
                                                   ----          ----          -------      -------       -------     -------
<S>                                          <C>           <C>           <C>          <C>           <C>         <C>          
 1. Net asset value, beginning of period         $25.85        $22.75        $22.17       $18.88        $16.01      $13.05   
    Income from investment operations:
 2. Net investment income                          0.16          0.17          0.09         0.11          0.16        0.05   
 3. Net gains or (losses) on securities
    (both realized and unrealized)                (1.07)         3.31          0.49         3.62          2.90        3.35   
 4. Total from investment operations              (0.91)         3.48          0.58         3.73          3.06        3.40   
    Less distributions:
 5. Dividends (from net investment income)        (0.25)        (0.18)         --          (0.02)        (0.19)      (0.02)  
 6. Distributions (from capital gains)            (0.45)        (0.20)         --          (0.42)         --         (0.42)  
 7. Total distributions                           (0.70)        (0.38)         --          (0.44)        (0.19)      (0.44)  
 8. Net asset value, end of period               $24.24        $25.85        $22.75       $22.17        $18.88      $16.01   
 9. Total return                                  (3.52%)       15.39%         2.62%       19.60%        19.43%      26.36%  
10. Net assets, end of period (in millions)      $2,743        $3,749        $2,434       $2,081          $556        $175   
11. Ratio of expenses to average net assets        1.02%         1.05%         1.12%        1.01%         1.07%       1.32%  
12. Ratio of net investment income
    to average net assets                          0.57%         0.87%         1.27%        1.08%         1.30%       1.28%  
13. Portfolio turnover rate                         102%           99%           79%          83%          163%        228%  
</TABLE>

********************

<TABLE>
<CAPTION>
                                                 1989(2)     1988(2)     1987(2)     1986(2)     1985(2)
                                                 -------     -------     -------     -------     -------
<S>                                         <C>        <C>         <C>         <C>         <C>   
 1. Net asset value, beginning of period        $9.66      $13.69      $14.27      $11.57      $10.00
    Income from investment operations:
 2. Net investment income                        0.46        0.42        0.30        0.19        0.36
 3. Net gains or (losses) on securities
    (both realized and unrealized)               3.73       (2.86)       0.74        3.05        1.21
 4. Total from investment operations             4.19       (2.44)       1.04        3.24        1.57
    Less distributions:
 5. Dividends (from net investment income)      (0.80)      (0.41)      (0.25)      (0.23)       --
 6. Distributions (from capital gains)           --         (1.18)      (1.37)      (0.31)       --
 7. Total distributions                         (0.80)      (1.59)      (1.62)      (0.54)       --
 8. Net asset value, end of period             $13.05       $9.66      $13.69      $14.27      $11.57
 9. Total return                                45.89%     (17.13%)      8.66%      29.06%       4.04%(3)
10. Net assets, end of period (in millions)       $20         $13         $19         $10          $2
11. Ratio of expenses to average net assets      1.88%       1.70%       1.79%       2.00%       1.99%
12. Ratio of net investment income
    to average net assets                        0.68%       3.35%       2.98%       3.55%       5.68%
13. Portfolio turnover rate                       220%        317%        202%        152%         68%
</TABLE>

(1)  Fiscal period from June 1, 1992 to October 31, 1992.  
(2)  Fiscal year ended on May 31st of each year.
(3)  Total return from the Fund's  initial  public  offering  date of 4/30/85 to
     5/31/85.

UNDERSTANDING THE FINANCIAL HIGHLIGHTS

This  section  is  designed  to  help  you  better  understand  the  information
summarized in the  Financial  Highlights  table.  The table  contains  important
historical  operating  information  that may be useful in making your investment
decision or understanding  how your investment has performed.  The Fund's Annual
Report contains additional information about the Fund's performance, including a
comparison to an appropriate  securities index. For a copy of the Annual Report,
call 1-800-525-8983.

Net  asset  value  ("NAV")  is the value of a single  share of the  Fund.  It is
computed by adding the value of all of the Fund's  investments and other assets,
subtracting  any  liabilities  and  dividing  the result by the number of shares
outstanding.  The  difference  between  line  1  and  line  8 in  the  Financial
Highlights  table  represents  the change in value of the Fund's shares over the
fiscal period, but not its total return.

Net investment  income is the per share amount of dividends and interest  income
earned on securities held by the Fund,  less Fund expenses.  Dividends (from net
investment  income)  is the per  share  amount  that  the  Fund  paid  from  net
investment income.

Net gain (or loss) on securities is the per share  increase or decrease in value
of the securities  the Fund holds. A gain (or loss) is realized when  securities
are sold. A gain (or loss) is unrealized when securities increase or decrease in
value  but are not sold.  Distributions  (from  capital  gains) is the per share
amount that the Fund paid from net realized gains.

Total  Return  is  the  percentage  increase  or  decrease  in the  value  of an
investment over a stated period of time. A total return percentage includes both
changes in NAV and income.  For the purposes of calulating  total return,  it is
assumed that dividends and distributions are reinvested at the NAV on the day of
the  distribution.  THE FUND'S TOTAL RETURN CANNOT BE COMPUTED DIRECTLY FROM THE
FINANCIAL HIGHLIGHTS TABLE.

Ratio of  expenses  to average  net assets is the total of the Fund's  operating
expenses divided by its average net assets for the stated period.

Ratio  of net  investment  income  to  average  net  assets  is the  Fund's  net
investment income divided by its average net assets for the stated period.

Portfolio  turnover  rate is a measure of the  amount of the  Fund's  buying and
selling activity. It is computed by dividing total purchases or sales, whichever
is less, by the average monthly market value of the Fund's portfolio securities.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       2
<PAGE>

THE FUND IN DETAIL

This section takes a closer look at the Fund's  investment  objective,  policies
and the securities in which it invests.  Please carefully review the "Additional
Risk Factors"  section of this Prospectus for a more detailed  discussion of the
risks associated with certain investment  techniques and refer to Appendix A for
a more detailed  discussion  of  instruments  in which the Fund may invest.  You
should  carefully  consider  your own  investment  goals,  time horizon and risk
tolerance before investing in the Fund.

Policies that are noted as "fundamental" cannot be changed without a shareholder
vote. All other policies,  including the Fund's  investment  objective,  are not
fundamental  and may be  changed by the Fund's  Trustees  without a  shareholder
vote. You will be notified of any such changes that are material.  If there is a
material change in the Fund's objective or policies, you should consider whether
the Fund remains an appropriate investment for you.

INVESTMENT OBJECTIVE

The investment objective of the Fund is growth of capital in a manner consistent
with the preservation of capital. It is a nondiversified fund that will normally
concentrate its investments in a core position of 20-30 common stocks.

TYPES OF SECURITIES

The Fund invests  substantially  all of its assets in common stocks selected for
their growth potential. The Fund may invest to a lesser degree in other types of
securities, including preferred stock, warrants, convertible securities and debt
securities.  Debt securities that the Fund may purchase include  corporate bonds
and debentures (not to exceed 35% of net assets in high-yield/high-risk  bonds);
government securities;  mortgage- and asset-backed securities (not to exceed 25%
of assets); zero coupon bonds (not to exceed 10% of assets);  indexed/structured
notes;  high-grade  commercial  paper;  certificates of deposit;  and repurchase
agreements.  Such securities may offer growth  potential  because of anticipated
changes in interest rates,  credit  standing,  currency  relationships  or other
factors.  The Fund may also invest in short-term  debt  securities as a means of
receiving a return on idle cash.

When the Fund's  portfolio  manager  believes  that  market  conditions  are not
favorable for  profitable  investing or when the portfolio  manager is otherwise
unable to locate favorable investment opportunities,  the Fund's investments may
be  hedged  to a greater  degree  and/or  its cash or  similar  investments  may
increase. In other words, the Fund does not always stay fully invested in stocks
and bonds.  Cash or similar  investments  are a  residual - they  represent  the
assets that remain after the portfolio manager has committed available assets to
desirable investment opportunities.  When the Fund's cash position increases, it
may not  participate in stock market  advances or declines to the extent that it
would if it remained more fully invested in common stocks.

The Fund may invest  without limit in foreign  equity and debt  securities.  The
Fund may use  options,  futures  and  other  types of  derivatives  for  hedging
purposes or as a means of enhancing  return.  See  "Additional  Risk Factors" on
page 5. The Fund may purchase  securities on a when-issued,  delayed delivery or
forward  commitment  basis.  

THE FOLLOWING QUESTIONS ARE DESIGNED TO HELP YOU BETTER UNDERSTAND AN INVESTMENT
IN THE FUND.

HOW ARE COMMON STOCKS SELECTED?

The Fund invests  substantially all of its assets in common stocks to the extent
its portfolio  manager  believes  that the relevant  market  environment  favors
profitable investing in those securities.  The portfolio manager takes a "bottom
up" approach to building the portfolio.  In other words,  the portfolio  manager
seeks to identify  individual  companies with earnings growth potential that may
not be  recognized  by the  market at large.  Although  themes may emerge in the
Fund,  securities are selected  without regard to any defined industry sector or
other  similarly  defined  selection  procedure.  Realization of income is not a
significant  investment  consideration.   Any  income  realized  on  the  Fund's
investments will be incidental to its objective.

ARE THE SAME CRITERIA USED TO SELECT FOREIGN STOCKS?

Generally,  yes. The portfolio  manager  seeks  companies  with earnings  growth
potential,  regardless of country of organization or place of principal business
activity.  Foreign  securities  are selected on a  stock-by-stock  basis without
regard to any defined allocation among countries or geographic regions. However,
certain  factors  such as  expected  levels of  inflation,  government  policies
influencing business  conditions,  the outlook for currency  relationships,  and
prospects for economic growth among  countries,  regions or geographic areas may
warrant greater  consideration in selecting foreign stocks. See "Additional Risk
Factors" on page 5.

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

WHAT IS THE MAIN RISK OF INVESTING IN A COMMON STOCK FUND?

The fundamental  risk associated with any common stock fund is the risk that the
value of the stocks it holds  might  decrease.  Stock  values may  fluctuate  in
response to the  activities of an  individual  company or in response to general
market and/or  economic  conditions.  Historically,  common stocks have provided
greater long-term returns and have entailed greater  short-term risks than other
investment  choices.  Smaller or newer  issuers are more likely to realize  more
substantial growth as well as suffer more significant losses than larger or more
established issuers. Investments in such companies can be both more volatile and
more speculative. See "Additional Risk Factors"on page 5.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       3
<PAGE>

HOW DOES A DIVERSIFIED FUND DIFFER FROM A NONDIVERSIFIED FUND?

A  "nondiversified"  fund has the ability to take larger  positions in a smaller
number of  issuers  than a  "diversified"  fund.  Because  the  appreciation  or
depreciation  of a  single  stock  may  have a  greater  impact  on the NAV of a
nondiversified  fund,  its share price can be expected to fluctuate  more than a
comparable diversified fund.

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

HOW DOES THE FUND TRY TO REDUCE RISK?

The Fund may use futures,  options and other  derivative  instruments to protect
its portfolio from movements in securities  prices and interest rates.  The Fund
may also  use a  variety  of  currency  hedging  techniques,  including  forward
currency  contracts,  to manage  exchange rate risk when  investing  directly in
foreign markets.  See "Additional  Risk Factors" on page 5. In addition,  to the
extent that the Fund holds a larger cash  position,  it may not  participate  in
market  declines to the same extent as if it had remained more fully invested in
common stocks.

GENERAL PORTFOLIO POLICIES

In investing its assets, the Fund will follow the general policies listed below.
The  percentage  limitations  included in these  policies and  elsewhere in this
Prospectus apply only at the time of purchase of the security.  For example,  if
the Fund exceeds a limit as a result of market fluctuations or the sale of other
securities, it will not be required to dispose of any securities.

DIVERSIFICATION

The  Investment  Company  Act of 1940 (the  "1940  Act")  classifies  investment
companies as either  diversified or  nondiversified.  The Fund is deemed to be a
nondiversified  fund  under  the  1940  Act  and is  subject  to  the  following
diversification requirements:

o    As a  fundamental  policy,  the  Fund  may not  own  more  than  10% of the
     outstanding voting shares of any issuer.

o    As a fundamental  policy, with respect to 50% of its total assets, the Fund
     will not purchase a security of any issuer  (other than cash items and U.S.
     government  securities,  as defined in the 1940 Act) if such purchase would
     cause the Fund's  holdings  of that issuer to amount to more than 5% of the
     Fund's total assets.

o    The Fund will invest no more than 25% of its assets in a single issuer.

o    The Fund reserves the right to become a diversified company by limiting the
     investments in which more than 5% of its total assets are invested.

INDUSTRY CONCENTRATION

As a  fundamental  policy,  the Fund will not invest  more than 25% of its total
assets in any particular industry. This policy does not apply to U.S. government
securities.

PORTFOLIO TURNOVER

The Fund  generally  intends to purchase  securities  for  long-term  investment
rather than short-term gains. However,  short-term  transactions may result from
liquidity needs,  securities having reached a price or yield objective,  changes
in interest rates or the credit standing of an issuer,  or by reason of economic
or other  developments  not  foreseen  at the time of the  investment  decision.
Changes are made in the Fund's portfolio whenever its portfolio manager believes
such changes are desirable.  Portfolio turnover rates are generally not a factor
in making buy and sell  decisions.  

To a  limited  extent,  the Fund may  purchase  securities  in  anticipation  of
relatively  short-term  price  gains.  The Fund may also sell one  security  and
simultaneously  purchase the same or a comparable  security to take advantage of
short-term   differentials  in  bond  yields  or  securities  prices.  Increased
portfolio turnover may result in higher costs for brokerage commissions,  dealer
mark-ups  and other  transaction  costs and may also  result in taxable  capital
gains. Certain tax rules may restrict the Fund's ability to engage in short-term
trading if the security has been held for less than three months.

ILLIQUID SECURITIES

The  Fund  may  invest  up to 15% of its  net  assets  in  illiquid  securities,
including restricted securities or private placements. An illiquid security is a
security  that cannot be sold  quickly in the normal  course of  business.  Some
securities  cannot be sold to the U.S.  public because of their terms or because
of SEC  regulations.  Janus Capital may determine that securities that cannot be
sold to the U.S. public but that can be sold to  institutional  investors ("Rule
144A  Securities") or on foreign  markets are liquid.  Janus Capital will follow
guidelines  established  by  the  Trustees  of the  Trust  in  making  liquidity
determinations  for  Rule  144A  Securities  and  other  securities,   including
commercial paper.

BORROWING AND LENDING

The Fund may borrow money and lend securities or other assets, as follows:

o    The Fund may borrow money for temporary or emergency purposes in amounts up
     to 25% of its total assets.

o    The Fund may mortgage or pledge  securities  as security for  borrowings in
     amounts up to 15% of its net assets.

o    As a fundamental  policy,  the Fund may lend securities or other assets if,
     as a result,  no more than 25% of its total  assets  would be lent to other
     parties.

The Fund  intends to seek  permission  from the SEC to borrow money from or lend
money to other funds that permit such  transactions  and for which Janus Capital
serves as investment adviser.  All such borrowing and lending will be subject to
the above limits. There is no assurance that such permission will be granted.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       4
<PAGE>

ADDITIONAL RISK FACTORS

SPECIAL SITUATIONS

The Fund may  invest  in  "special  situations"  from  time to time.  A  special
situation  arises  when,  in the opinion of the Fund's  portfolio  manager,  the
securities of a particular issuer will be recognized and appreciate in value due
to a specific development with respect to that issuer.  Developments  creating a
special  situation  might  include,  among others,  a new product or process,  a
technological breakthrough, a management change or other extraordinary corporate
event,  or  differences  in  market  supply  of and  demand  for  the  security.
Investment in special  situations  may carry an  additional  risk of loss in the
event that the  anticipated  development  does not occur or does not attract the
expected attention.

FOREIGN SECURITIES

Investments  in foreign  securities,  including  those of  foreign  governments,
involve greater risks than investing in comparable domestic securities.

Securities of some foreign companies and governments may be traded in the United
States, but most foreign securities are traded primarily in foreign markets. The
risks of foreign investing include:

o    Currency  Risk. The Fund must buy the local currency when it buys a foreign
     security and sell the local currency when it sells the security. As long as
     the Fund holds a foreign security,  its value will be affected by the value
     of the local currency relative to the U.S. dollar. In other words, when the
     Fund sells a foreign security,  its value may be worth less in U.S. dollars
     even though the security increases in value in its home country.

o    Political and Economic Risk. Foreign  investments are subject to heightened
     political and economic risks,  particularly in underdeveloped or developing
     countries  which may have  relatively  unstable  governments  and economies
     based on only a few industries.  In some countries,  there is the risk that
     the  government may take over the assets or operations of a company or that
     the  government  may  impose  taxes or limits on the  removal of the Fund's
     assets from that country.

o    Regulatory Risk. Generally, there is less government supervision of foreign
     markets.   Foreign  issuers  generally  are  not  subject  to  the  uniform
     accounting,  auditing  and  financial  reporting  standards  and  practices
     applicable  to  domestic  issuers.  There  may be less  publicly  available
     information about foreign issuers than domestic issuers.

o    Market   Risk.   Foreign   securities   markets,   particularly   those  of
     underdeveloped  or  developing  countries,  may be  less  liquid  and  more
     volatile than domestic  markets.  Certain  markets may require  payment for
     securities  before  delivery  and delays  may be  encountered  in  settling
     securities  transactions.  In  some  foreign  markets,  there  may  not  be
     protection against failure by other parties to complete transactions. There
     may be limited legal  recourse  against an issuer in the event of a default
     on a debt instrument.

o    Transaction  Costs.   Transaction  costs  of  buying  and  selling  foreign
     securities,  including  brokerage,  tax and custody  costs,  are  generally
     higher than those involved in domestic transactions.

FUTURES, OPTIONS AND OTHER DERIVATIVE INSTRUMENTS

The Fund may enter into futures  contracts on securities,  financial indices and
foreign currencies and options on such contracts  ("futures  contracts") and may
invest in  options on  securities,  financial  indices  and  foreign  currencies
("options"), forward contracts and interest rate swaps and swap-related products
(collectively "derivative instruments"). The Fund intends to use most derivative
instruments  primarily  to hedge the value of its  portfolio  against  potential
adverse  movements in securities  prices,  foreign  currency markets or interest
rates.  To a limited  extent,  the Fund may also use derivative  instruments for
non-hedging purposes such as increasing the Fund's income or otherwise enhancing
return. Please refer to Appendix A and the SAI for a more detailed discussion of
these  instruments.  

The use of  derivative  instruments  exposes the Fund to  additional  investment
risks and transaction costs. Risks inherent in the use of derivative instruments
include:

o    the risk that interest rates,  securities  prices and currency markets will
     not move in the direction that the portfolio manager anticipates;

o    imperfect  correlation  between  the price of  derivative  instruments  and
     movements in the prices of the  securities,  interest  rates or  currencies
     being hedged;

o    the fact that skills  needed to use these  strategies  are  different  from
     those needed to select portfolio securities;

o    inability  to close out  certain  hedged  positions  to avoid  adverse  tax
     consequences;

o    the  possible  absence  of a liquid  secondary  market  for any  particular
     instrument and possible  exchange-imposed  price fluctuation limits, either
     of which may make it difficult or  impossible  to close out a position when
     desired;

o    leverage  risk,  that is,  the risk  that  adverse  price  movements  in an
     instrument  can  result in a loss  substantially  greater  than the  Fund's
     initial investment in that instrument (in some cases, the potential loss is
     unlimited); and

o    particularly in the case of privately negotiated instruments, the risk that
     the counterparty  will fail to perform its  obligations,  which could leave
     the Fund worse off than if it had not entered into the position.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       5
<PAGE>

When  the  Fund  invests  in a  derivative  instrument,  it may be  required  to
segregate  cash  and  other  high-grade   liquid  assets  or  certain  portfolio
securities  to  "cover"  the Fund's  position.  Assets  segregated  or set aside
generally  may not be disposed of so long as the Fund  maintains  the  positions
requiring  segregation  or cover.  Segregating  assets could diminish the Fund's
return due to the opportunity  losses of foregoing  other potential  investments
with the segregated assets.

HIGH-YIELD/HIGH-RISK BONDS

High-yield/high-risk  bonds (or "junk"  bonds) are debt  securities  rated below
investment grade by the primary rating agencies (Standard & Poor's and Moody's).
The Fund  expects  that its  holdings of lower rated  securities,  if any,  will
consist primarily of bonds rated in the highest two tiers of noninvestment grade
securities.  

The value of lower rated  securities  generally is more dependent on the ability
of the company to meet interest and principal payments (i.e.,  credit risk) than
is the case for higher rated securities.  Conversely,  the value of higher rated
securities  may be more  sensitive to interest rate  movements  than lower rated
securities.  In  addition,  companies  issuing  high-yield  securities  are more
vulnerable to real or perceived  economic  changes,  political changes and other
developments  adverse to the company,  and lower rated  securities may have less
liquid markets than higher rated  securities.  Investments in companies  issuing
high-yield  securities are considered to be more speculative than higher quality
investments.

Please refer to the SAI for a description of bond rating  categories,  including
the treatment of unrated  securities and securities that have received different
ratings from different agencies.

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

PERFORMANCE TERMS

This section will help you  understand  various  terms that are commonly used to
describe the Fund's  performance.  You may see  references to these terms in our
newsletters,   advertisements  and  in  media  articles.   Our  newsletters  and
advertisements  may  include  comparisons  of  the  Fund's  performance  to  the
performance  of other mutual funds,  mutual fund  averages or  recognized  stock
market  indices.  The  Fund  generally  measures  performance  in terms of total
return.  

Cumulative  Total Return  represents  the actual rate of return on an investment
for a specified period. The Financial  Highlights table shows total return for a
single fiscal period.  Cumulative total return is generally quoted for more than
one year (e.g.,  the life of the Fund). A cumulative  total return does not show
interim fluctuations in the value of an investment.

Average Annual Total Return  represents the average annual  percentage change of
an investment over a specified period. It is calculated by taking the cumulative
total return for the stated period and  determining  what constant annual return
would have produced the same cumulative return.  Average annual returns for more
than one year tend to smooth out variations in the Fund's return and are not the
same as actual annual results.

THE FUND  IMPOSES NO SALES OR OTHER  CHARGES  THAT  WOULD  AFFECT  TOTAL  RETURN
COMPUTATIONS. FUND PERFORMANCE FIGURES ARE BASED UPON HISTORICAL RESULTS AND ARE
NOT INTENDED TO INDICATE FUTURE  PERFORMANCE.  INVESTMENT  RETURNS AND NET ASSET
VALUE WILL FLUCTUATE SO THAT AN INVESTOR'S SHARES,  WHEN REDEEMED,  MAY BE WORTH
MORE OR LESS THAN THEIR ORIGINAL COST.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       6
<PAGE>

SHAREHOLDER'S MANUAL

This section will help you become  familiar with the different types of accounts
you can establish with Janus. In addition,  the Shareholder's Manual explains in
detail  the wide  array of  services  and  features  you can  establish  on your
account.

       

HOW TO GET IN TOUCH WITH JANUS

If you have any questions while reading this prospectus,  please call one of our
Investor Service Representatives at 1-800-525-3713 Monday-Friday: 7:00 a.m.-1:00
a.m., and Saturday-Sunday: 10:00 a.m.-7:00 p.m., Eastern Time.

- --------------------------------------------------------------------------------
MINIMUM INVESTMENTS

To open a new account .............................................      $1,000
To open a new retirement or UGMA/UTMA account .....................      $  250
To open a new account with an Automatic Investment Program ........      $   50*
To add to any type of an account ..................................      $   50

*    May be waived for certain  accounts that  participate in an automatic group
     billing  purchase   program  or  automatic   payroll   deduction   program.
- --------------------------------------------------------------------------------

TYPES OF ACCOUNT OWNERSHIP

   
If you are investing for the first time,  you will need to establish an account.
You can establish the following  types of accounts by completing the New Account
Application included with this prospectus:
    

o    Individual or Joint Ownership. Individual accounts are owned by one person.
     Joint accounts have two or more owners.

o    A Gift or  Transfer  to Minor  (UGMA or UTMA).  An  UGMA/UTMA  account is a
     custodial  account  managed for the benefit of a minor.  To open an UGMA or
     UTMA account,  you must include the minor's Social  Security  number on the
     application.

o    Trust. An established trust can open an account. The names of each trustee,
     the name of the trust and the date of the trust  agreement must be included
     on the application.

o    Business Accounts.  Corporations and partnerships may also open an account.
     The application must be signed by an authorized  officer of the corporation
     or a general partner of the partnership.

RETIREMENT ACCOUNTS

If you  are  eligible,  you  may  set up  your  account  under  a  tax-sheltered
retirement plan. A retirement plan allows you to shelter your investment  income
and capital gains from current income taxes.  A contribution  to these plans may
also be tax  deductible.  Distributions  from  retirement  plans  are  generally
subject to income tax and may be subject to an additional tax if withdrawn prior
to age 59 1/2.

Investors   Fiduciary  Trust  Company  ("IFTC")  serves  as  custodian  for  the
retirement  plans offered by the Fund. There is an annual $12 fee per account to
maintain your  retirement  account.  The maximum  annual fee is $24 per taxpayer
identification  number.  You may pay the fee by check  or have it  automatically
deducted from your account  (usually in December).  In lieu of the annual fee, a
special nonrefundable Lifetime IRA(R) Fee of $100 may be paid. This fee covers
all retirement plans that are maintained under the same taxpayer  identification
number as long as they are continuously maintained at Janus. 

The following plans require a special  application.  For an application and more
details about our Retirement Plans, call 1-800-525-3713.

o    Individual  Retirement  Account: An IRA allows individuals under the age of
     70 1/2 with earned  income to contribute up to the lesser of $2,000 or 100%
     of compensation  annually.  Please refer to the Janus Funds IRA booklet for
     complete information regarding IRAs.

o    Simplified  Employee Pension Plan ("SEP"):  This plan allows small business
     owners  (including sole proprietors) to make  tax-deductible  contributions
     for  themselves  and any  eligible  employee(s).  A SEP  requires an IRA (a
     SEP-IRA) to be set up for each SEP participant.

o    Profit  Sharing or Money  Purchase  Pension  Plan:  These plans are open to
     corporations,  partnerships and sole proprietors to benefit their employees
     and themselves.

o    Section  403(b)(7) Plan:  Employees of educational  organizations  or other
     qualifying,  tax-exempt  organizations  may be eligible to participate in a
     Section 403(b)(7) Plan.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       7
<PAGE>

HOW TO OPEN YOUR JANUS ACCOUNT

   
Complete and sign the  appropriate  application.  Please be sure to provide your
Social Security or taxpayer identification number on the application.  Make your
check payable to Janus Funds. Send all items to one of following addresses:
    

Regular Mail
- ------------
Janus Funds
P.O. Box 173375
Denver, CO 80217-3375

Express or Certified Mail
- -------------------------
Janus Funds
100 Fillmore Street, Suite 300
Denver, CO 80206-4923

INVESTOR SERVICE CENTERS

Janus Funds offers three  Investor  Service  Centers for those  individuals  who
would like to conduct their  investing in person.  Our  representatives  will be
happy to assist you at any of the following locations:

100 Fillmore Street, Suite 100
Denver, CO 80206

3773 Cherry Creek North Drive, Suite 101
Denver, CO 80209

1004 Baltimore Ave., Suite 100
Kansas City, MO 64105

JANUS NO MINIMUM INITIAL
INVESTMENT PROGRAM(R)

If you participate in our popular Automatic Monthly Investment Program, the Fund
will waive the minimum initial investment ($50 minimum monthly payment).  If you
discontinue the program before your account reaches the required minimum initial
investment,  then the Fund reserves the right to close your account.  Please see
"Involuntary  Redemption" on page 11. For more detailed information on automatic
monthly investing, see "How to Purchase Shares."

HOW TO PURCHASE SHARES

PAYING FOR SHARES

When  you  purchase  shares,  your  request  will be  processed  at the next NAV
calculated after your order is received and accepted. Please note the following:

o    Cash, credit cards and third party checks will not be accepted.

o    All purchases must be made in U.S. dollars.

o    Checks must be drawn on a U.S. bank and made payable to Janus Funds.

o    If a check does not clear your bank,  the Fund reserves the right to cancel
     the purchase.

o    If the Fund is unable to debit your  predesignated  bank account on the day
     of purchase, it may make additional attempts or cancel the purchase.

o    The Fund reserves the right to reject any specific purchase request.

If your  purchase is cancelled  you will be  responsible  for any losses or fees
imposed by your bank and losses  that may be incurred as a result of any decline
in the  value  of the  cancelled  purchase.  The Fund  (or its  agents)  has the
authority to redeem  shares in your  account(s)  to cover any such losses due to
fluctuations in share price. Any profit on such  cancellation will accrue to the
Fund.

ONCE YOU HAVE OPENED YOUR JANUS  ACCOUNT,  THE MINIMUM  AMOUNT FOR AN ADDITIONAL
INVESTMENT  IS $50.  You may add to your  account at any time through any of the
following options:

BY MAIL

Complete  the  remittance  slip  attached  at the  bottom  of your  confirmation
statement.  If you are  making a  purchase  into a  retirement  account,  please
indicate  whether  the  purchase  is a  rollover  or a  current  or  prior  year
contribution. Send your check and remittance slip or written instructions to one
of the addresses listed previously. You may also request a booklet of remittance
slips for non-retirement accounts.

BY TELEPHONE

This service allows you to purchase  additional  shares quickly and conveniently
through an electronic transfer of money. When you make an additional purchase by
telephone,  Janus will  automatically  debit your predesignated bank account for
the desired  amount.  To establish  the  telephone  purchase  option on your new
account,  complete the "Telephone Purchase of Shares" section on the application
and attach a  "voided"  check or deposit  slip from your bank  account.  If your
account is already  established,  call 1-800-525-3713 to request the appropriate
form.  This option will become  effective  ten  business  days after the form is
received.

BY WIRE

Purchases  may also be made by wiring money from your bank account to your Janus
account. Call 1-800-525-3713 to receive wiring instructions.

AUTOMATIC INVESTMENT PROGRAMS

Automatic investing is an easy way to systematically add to your account.  Janus
offers  several  automatic  investment  plans to help  investors  achieve  their
financial goals as simply and conveniently as possible.

o    Automatic Monthly Investment Program
     You  select  the day each  month  that your  money  will be  electronically
     transferred from your bank account to your Fund account.  To establish this
     option,  complete the "Automatic  Investing" section on the application and
     attach a "voided"  check or deposit  slip from your bank  account.  If your
     Fund account is already  established,  call  1-800-525-3713  to request the
     appropriate form.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       8
<PAGE>

o    Payroll Deduction
     If your employer can initiate an automatic payroll deduction,  you may have
     all or a portion of your paycheck invested directly into your Fund account.
     To obtain information on establishing this option, call 1-800-525-3713.

o    By Systematic Exchange
     With a Systematic  Exchange you determine the amount of money ($50 minimum)
     you would like automatically exchanged from one Janus account to another on
     any day of the month. For more information on how to establish this option,
     call 1-800-525-3713.

QUICK ADDRESS AND TELEPHONE REFERENCE

Regular Mail
Janus Funds
P.O. Box 173375
Denver, CO 80217-3375

Express or Certified Mail
Janus Funds
100 Fillmore Street, Suite 300
Denver, CO 80206-4923

Janus Investor Services    1-800-525-3713
To speak to a service representative

JETS(R)    1-800-525-6125
For 24-hour access to account and fund information.

TDD      1-800-525-0056
A telecommunications device for our hearing- and speech-impaired shareholders.

Janus Quoteline   1-800-525-0024
For automated daily quotes on fund share prices, yields and total returns.

Janus Literature Line      1-800-525-8983
To request a prospectus, shareholder reports or marketing materials.

HOW TO EXCHANGE SHARES

On any  business  day, you may exchange all or a portion of your shares into any
other available Janus fund.

IN WRITING

To request an exchange in writing,  please follow the  instructions  for written
requests on page 10.

BY TELEPHONE

All accounts are  automatically  eligible for the telephone  exchange option. To
exchange  shares  by  telephone,  call an  investor  service  representative  at
1-800-525-3713  during  normal  business  hours  or call  the  Janus  Electronic
Telephone Service (JETS(R)) line at 1-800-525-6125.

BY SYSTEMATIC EXCHANGE

As noted above, a Systematic  Exchange may be established for as little as $50 a
month.

Please note our exchange policies:

o    Except for Systematic  Exchanges,  the exchange  minimum is $1,000,  or the
     total account value if less than $1,000.

o    You may  make  four  exchanges  out of the  Fund  during  a  calendar  year
     (exclusive of Systematic Exchanges). There is no charge for exchanges.

o    Exchanges  between accounts will be accepted only if the  registrations are
     identical.

o    If the shares you are  exchanging  are held in  certificate  form, you must
     return the certificate to the Fund prior to making any exchanges.

o    Be sure to read the prospectus for the fund into which you are exchanging.

o    The Fund reserves the right to reject any exchange request and to modify or
     terminate the exchange privilege at any time.

o    An exchange represents the sale of shares from one fund and the purchase of
     shares  of  another  fund,  which may  produce a taxable  gain or loss in a
     non-tax deferred account.

HOW TO REDEEM SHARES

   
On any  business  day,  you may redeem all or a portion of your  shares.  If the
shares are held in certificate  form, the  certificate  must be returned with or
before your redemption  request.  IF THE SHARES BEING REDEEMED WERE PURCHASED BY
CHECK,  TELEPHONE OR THROUGH THE AUTOMATIC MONTHLY INVESTMENT PROGRAM,  THE FUND
MAY DELAY THE MAILING OF YOUR REDEMPTION CHECK FOR UP TO 15 DAYS FROM THE DAY OF
PURCHASE TO ALLOW THE PURCHASE TO CLEAR.
    

Your transaction will be processed at the NAV on the day your redemption request
is received.  Unless you provide  alternate  instruction,  your proceeds will be
invested in the Janus Money Market Fund during the 15 day hold period.

IN WRITING

To request a redemption in writing,  please follow the  instructions for written
requests noted on page 10.

BY TELEPHONE

Most  accounts  have the  telephone  redemption  option,  unless this option was
specifically declined on the application or in writing.

This  option  enables you to redeem up to  $100,000  daily from your  account by
simply calling 1-800-525-3713 by 4:00 p.m. Eastern Time.

SYSTEMATIC WITHDRAWAL PLAN ("SWP")

SWPs allow you to redeem a specific  dollar  amount from your Fund  account on a
regular basis. For more information on SWPs or to request the appropriate  form,
please call 1-800-525-3713.

PAYMENT OF REDEMPTION PROCEEDS

o    By Check
     Redemption  proceeds  will be sent to the  shareholder(s)  of record at the
     address of record  within  seven days after  receipt of a valid  redemption
     request.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                        9
<PAGE>

o    Electronic Transfer
     If you have  established  this option,  your  redemption  proceeds  will be
     electronically transferred to your predesignated bank account on the second
     business day after receipt of your  redemption  request.  To establish this
     option, call 1-800-525-3713. There is no fee for this option.

o    By Wire
     If you are  authorized for the wire  redemption  service,  your  redemption
     proceeds will be wired  directly into your  designated  bank account on the
     next business day after  receipt of your  redemption  request.  There is no
     limitation on  redemptions  by wire;  however,  there is an $8 fee for each
     wire and your bank may charge an additional fee to receive the wire. If you
     would like to  establish  this option on an existing  account,  please call
     1-800-525-3713  to request the appropriate  form. Wire  redemptions are not
     available for retirement accounts.

WRITTEN INSTRUCTIONS

To redeem all or part of your shares in writing,  your request should be sent to
one  of  the  addresses  listed  on  page  8  and  must  include  the  following
information:

     o    the name of the Fund,
     o    the account number,
     o    the amount of money or number of shares being redeemed,
     o    the name(s) on the account registration,
     o    the signature(s) of all registered account owners, and
     o    your daytime telephone number.

o    SIGNATURE REQUIREMENTS BASED ON ACCOUNT TYPE

     o    Individual,  Joint Tenants,  Tenants in Common:  Written  instructions
          must be signed by each shareholder, exactly as the names appear in the
          account.

     o    UGMA or UTMA: Written  instructions must be signed by the custodian in
          his/her capacity as it appears in the account registration.

     o    Sole Proprietor,  General Partner: Written instructions must be signed
          by an authorized  individual in his/her  capacity as it appears on the
          account registration.

     o    Corporation,  Association:  Written instructions must be signed by the
          person(s)  authorized to act on the account. In addition,  a certified
          copy of the corporate  resolution  authorizing  the signer to act must
          accompany the request.

     o    Trust: Written  instructions must be signed by the trustee(s).  If the
          name(s)  of the  current  trustee(s)  does not  appear in the  account
          registration,  a certificate  of incumbency  dated within 60 days must
          also be submitted.

     o    IRA: Written  instructions must be signed by the account owner. If you
          do not want federal income tax withheld from your redemption, you must
          state that you elect not to have such withholding  apply. In addition,
          your instructions must state whether the distribution is normal (after
          age 59 1/2)  or  premature  (before  age 59 1/2)  and,  if  premature,
          whether any exceptions  such as death or disability  apply with regard
          to the 10% additional tax on early distributions.

PRICING OF FUND SHARES

All  purchases,  redemptions  and  exchanges  will be  processed at the NAV next
calculated  after  your  request is  received  and  approved.  The Fund's NAV is
calculated  at the close of the  regular  trading  session of the New York Stock
Exchange (the "NYSE")  (normally 4:00 p.m.  Eastern Time) each day that the NYSE
is open.  In order to receive a day's  price your order must be received by 4:00
p.m.  Eastern  Time.  NAV per share is calculated by dividing the total value of
the Fund's securities and other assets, less liabilities, by the total number of
shares  outstanding.  Securities  are  valued  at  market  value or, if a market
quotation is not readily available, at their fair value determined in good faith
under procedures established by and under the supervision of the Trustees. Money
market  instruments  maturing within 60 days are valued at amortized cost, which
approximates market value. See the SAI for more detailed information.

SIGNATURE GUARANTEE

In  addition  to the  signature  requirements,  a  signature  guarantee  is also
required if any of the following is applicable:

o    The redemption exceeds $100,000.

o    You  would  like  the  check  made   payable  to  anyone   other  than  the
     shareholder(s) of record.

o    You would like the check mailed to an address which has been changed within
     10 days of the redemption request.

o    You would  like the check  mailed to an address  other than the  address of
     record.

THE FUND  RESERVES  THE  RIGHT TO  REQUIRE A  SIGNATURE  GUARANTEE  UNDER  OTHER
CIRCUMSTANCES  OR TO REJECT OR DELAY A REDEMPTION ON CERTAIN LEGAL GROUNDS.  FOR
MORE INFORMATION PERTAINING TO SIGNATURE GUARANTEES, PLEASE CALL 1-800-525-3713.

HOW TO OBTAIN A SIGNATURE GUARANTEE

A signature  guarantee  assures  that a  signature  is  genuine.  The  signature
guarantee  protects  shareholders  from  unauthorized  account  transfers.   The
following financial  institutions may guarantee  signatures:  banks, savings and
loan  associations,  trust companies,  credit unions,  broker-dealers and member
firms of a national securities exchange.  Call your financial institution to see
if they have the ability to guarantee a signature. A signature guarantee may not
be provided by a notary public.

If you live outside the United States, a foreign bank properly  authorized to do
business  in  your  country  of  residence  or a U.S.  consulate  may be able to
authenticate your signature.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       10
<PAGE>

SHAREHOLDER SERVICES AND ACCOUNT POLICIES

JANUS ELECTRONIC TELEPHONE SERVICE (JETS(R))

JETS,  our  electronic  telephone  service  line,  offers you 24-hour  access by
TouchTone(a)  telephone  to obtain your  account  balance,  to confirm your last
transaction or dividend posted to your account,  to order  duplicate  account or
tax statements,  to reorder money market fund checks or to exchange your shares.
JETS can be  accessed  by calling  1-800-525-6125.  Calls on JETS are limited to
seven minutes.

TRANSACTIONS THROUGH PROCESSING ORGANIZATIONS

You may  purchase or sell Fund  shares  through a  broker-dealer,  bank or other
financial institution (a "Processing  Organization").  Processing  Organizations
may charge you a fee for this service and may require  different minimum initial
and subsequent  investments  than the Fund. A Processing  Organization  may also
impose  other  charges  or  restrictions  different  from  those  applicable  to
shareholders  who  invest in the Fund  directly.  The  Processing  Organization,
rather than its customer,  may be the shareholder of record of your shares.  The
Fund is not responsible for the failure of any Processing  Organization to carry
out its  obligations  to its customers.  Certain  Processing  Organizations  may
receive compensation from Janus Capital or its affiliates and certain Processing
Organizations   may  receive   compensation   from  the  Fund  for   shareholder
recordkeeping and similar services.

TAXPAYER IDENTIFICATION NUMBER

On your application or other appropriate form, you will be asked to certify that
your Social Security or taxpayer  identification  number is correct and that you
are not subject to backup  withholding  for failing to report income to the IRS.
If you are subject to the 31% backup  withholding  or you did not  certify  your
taxpayer  identification,  the IRS  requires  the  Fund to  withhold  31% of any
dividends  paid and  redemption  or  exchange  proceeds.  In addition to the 31%
backup  withholding,  you may be subject to a $50 fee to reimburse  the Fund for
any penalty that the IRS may impose.

SHARE CERTIFICATES

Most  shareholders  choose not to hold their shares in certificate  form because
account transactions such as exchanges and redemptions cannot be completed until
the  certificate  has been  returned  to the  Fund.  The Fund will  issue  share
certificates  upon written request only. Share  certificates  will not be issued
until the shares have been held for at least 15 days. Share certificates  cannot
be issued for  retirement  accounts.  In addition,  if the  certificate is lost,
there may be a replacement charge.

INVOLUNTARY REDEMPTION

If your  account  balance  falls  below  the  $1,000  minimum  as a result  of a
redemption or exchange or if you  discontinue the Automatic  Monthly  Investment
Program before your account  balance reaches the required  minimum,  you will be
given a 60-day  notice  to  reestablish  the  minimum  balance  or  activate  an
Automatic  Monthly  Investment  Program.  If this  requirement  is not met, your
account may be closed and the proceeds sent to you.

The Fund reserves the right to close an account if the  shareholder is deemed to
engage in activities which are illegal or otherwise detrimental to the Fund.

TELEPHONE TRANSACTIONS

You may initiate many  transactions  by telephone.  The Fund and its agents will
not be responsible for any losses resulting from unauthorized  transactions when
procedures designed to verify the identity of the caller are followed. 

It may be  difficult to reach the Fund by  telephone  during  periods of unusual
market  activity.  If you are  unable to reach a  representative  by  telephone,
please consider sending written  instructions,  stopping by a Service Center, or
in the case of exchanges, calling the JETS line.

TEMPORARY SUSPENSION OF SERVICES

The Fund or its agents may, in case of emergency,  temporarily suspend telephone
transactions or other shareholder services upon reasonable notice.

ADDRESS CHANGES

To change the address on your  account,  call  1-800-525-3713  or send a written
request signed by all account owners.  Include the name of the Fund, the account
number(s),  the  name(s)  on the  account  and both  the old and new  addresses.
Certain  options may be suspended for 10 days following an address change unless
a signature guarantee is provided.

REGISTRATION CHANGES

To change the name on an account, the shares are generally  transferred to a new
account.  In  some  cases,  legal  documentation  may  be  required.   For  more
information call 1-800-525-3713.

STATEMENTS AND REPORTS

The Fund will send you a confirmation  statement  after every  transaction  that
affects your account balance or your account  registration.  If you are enrolled
in our Automatic Monthly  Investment  Program and invest on a monthly basis, you
will receive quarterly  confirmations.  Information  regarding the tax status of
income dividends and capital gains  distributions will be mailed to shareholders
on or before  January 31st of each year.  Account tax  information  will also be
sent to the IRS.

Financial  reports for the Fund,  which  include a list of the Fund's  portfolio
holdings,  will be mailed semiannually to all shareholders.  To reduce expenses,
only one copy of most financial  reports will be mailed to accounts listed under
the same Social Security  number.  Upon request,  such reports will be mailed to
all accounts in the same household. Please call 1-800-525-3713 if you would like
to receive additional reports.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       11
<PAGE>

MANAGEMENT OF THE FUND

TRUSTEES

The Trustees  oversee the business  affairs of the Trust and are responsible for
major decisions  relating to the Fund's investment  objective and policies.  The
Trustees  delegate the day-to-day  management of the Fund to the officers of the
Trust and meet quarterly to review the Fund's investment policies,  performance,
expenses and other business affairs.

INVESTMENT ADVISER

Janus Capital is the investment  adviser to the Fund and is responsible  for the
day-to-day management of its investment portfolio and other business affairs.

Janus  Capital has served as investment  adviser to certain  series of the Trust
since 1970 and currently serves as investment adviser to all of the Janus funds,
as well  as  adviser  or  subadviser  to  other  mutual  funds  and  individual,
corporate, charitable and retirement accounts.

Kansas City Southern  Industries,  Inc.  ("KCSI") owns  approximately 83% of the
outstanding  voting stock of Janus  Capital,  most of which it acquired in 1984.
KCSI is a publicly traded holding company whose primary subsidiaries are engaged
in  transportation  and  financial  services.  Thomas H. Bailey,  President  and
Chairman of the Board of Janus  Capital,  owns  approximately  12% of its voting
stock and, by agreement with KCSI,  selects a majority of Janus Capital's Board.

Janus Capital  furnishes  continuous advice and  recommendations  concerning the
Fund's  investments.   Janus  Capital  also  furnishes  certain  administrative,
compliance  and  accounting  services for the Fund, and may be reimbursed by the
Fund for its costs in  providing  those  services.  In addition,  Janus  Capital
employees serve as officers of the Trust and Janus Capital provides office space
for the Fund and pays the  salaries,  fees and expenses of all Fund officers and
those Trustees who are affiliated with Janus Capital.

INVESTMENT PERSONNEL

Thomas  H.  Bailey  founded  Janus  Capital  in 1969 and has been  active in the
advisory  and  securities  business  since that time.  Mr.  Bailey  oversees the
investment  management  of all  Janus  funds.  He  holds a  Bachelor  of Arts in
Business from Michigan State University and a Master of Business  Administration
from the University of Western Ontario.

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

Thomas F.  Marsico is the  portfolio  manager of the Fund,  which he has managed
since March 1988. Mr. Marsico is also the portfolio  manager of Janus Growth and
Income Fund,  which he has managed since its  inception.  He holds a Bachelor of
Arts in  Biology  from the  University  of  Colorado  and a Master  of  Business
Administration in Finance from the University of Denver.

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

PERSONAL INVESTING

Janus  Capital  permits  investment  and other  personnel  to purchase  and sell
securities for their own accounts,  subject to Janus Capital's  policy governing
personal  investing.  Janus  Capital's  policy  requires  investment  and  other
personnel to conduct their personal investment activities in a manner that Janus
Capital  believes  is not  detrimental  to the  Fund or  Janus  Capital's  other
advisory clients. See the SAI for more detailed information.

BREAKDOWN OF MANAGEMENT EXPENSES AND EXPENSE LIMITS

The Fund pays Janus Capital a management  fee. The advisory  agreement  with the
Fund spells out the  management  fee and other  expenses that the Fund must pay.
The Fund's  management fee schedule  (expressed as an annual rate) is set out in
the chart below.

Average Daily Net        Annual Rate
Assets of Fund           Percentage (%)
- --------------           --------------
First $ 30 Million       1.00%
Next $270 Million         .75%
Next $200 Million         .70%
Over $500 Million         .65%

The actual management fee paid by the Fund for the fiscal year ended October 31,
1994 was .67% of the value of the  Fund's  average  daily net  assets.  The Fund
incurs  expenses  not assumed by Janus  Capital,  including  transfer  agent and
subcustodian  fees and expenses,  legal and auditing fees,  printing and mailing
costs of sending  reports and other  information to existing  shareholders,  and
independent  Trustees'  fees  and  expenses.   Janus  Capital  will  reduce  its
management fee to the extent that Fund expenses exceed  statutory limits imposed
by state securities regulators.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       12
<PAGE>

PORTFOLIO TRANSACTIONS

Purchases  and  sales of  securities  on  behalf  of the Fund  are  executed  by
broker-dealers  selected by Janus  Capital.  Broker-dealers  are selected on the
basis of their  ability  to obtain  best  price  and  execution  for the  Fund's
transactions and recognizing brokerage,  research and other services provided to
the Fund and to Janus Capital.  Janus Capital may also consider payments made by
brokers  effecting  transactions  for the  Fund i) to the  Fund or ii) to  other
persons  on behalf of the Fund for  services  provided  to the Fund for which it
would be obligated to pay.  Janus Capital may also  consider  sales of shares of
the Fund as a factor in the  selection of  broker-dealers.  The Fund's  Trustees
have authorized Janus Capital to place portfolio transactions on an agency basis
with a broker-dealer  affiliated with Janus Capital.  When  transactions for the
Fund are effected with that  broker-dealer,  the commissions payable by the Fund
are credited against certain Fund operating  expenses.  The SAI further explains
the selection of broker-dealers.

OTHER SERVICE PROVIDERS

The following parties provide the Fund with administrative and other services.

Domestic Custodian and Transfer Agent
Investors Fiduciary Trust Company
127 W. 10th Street
Kansas City, Missouri 64105

Domestic Subcustodian
United Missouri Bank, N.A.
Tenth and Grand Streets
Kansas City, Missouri 64105

Foreign Custodian
State Street Bank and Trust Company
P.O. Box 351
Boston, Massachusetts 02101

Subtransfer Agent
Janus Service Corporation
P.O. Box 173375
Denver, Colorado 80217

Distributor
Janus Distributors, Inc.
100 Fillmore Street
Denver, Colorado 80206

Janus  Service  Corporation  and  Janus  Distributors,   Inc.  are  wholly-owned
subsidiaries of Janus Capital.

OTHER INFORMATION

ORGANIZATION

The Trust is a "mutual  fund" that was  organized  as a  Massachusetts  business
trust on February 11, 1986.  A mutual fund is an  investment  vehicle that pools
money from  numerous  investors  and  invests  the money to achieve a  specified
objective. 

The Trust consists of 16 separate series.  The Fund became a series of the Trust
on August 7,  1992.  It was  previously  known as Janus  Twenty  Fund,  Inc.,  a
Maryland corporation,  and was originally incorporated as Janus Value Fund, Inc.
in the state of Maryland. All references in this Prospectus to the Fund prior to
the above date are to its  predecessor  entities and all  references  after such
date are to the series of the Trust.

The Trust currently offers the other 15 series of the Trust pursuant to separate
prospectuses.

SHAREHOLDER MEETINGS

The Trust does not intend to hold annual shareholder meetings.  However, special
meetings may be called specifically for the Fund or for the Trust as a whole for
purposes such as electing or removing Trustees,  terminating or reorganizing the
Trust,  changing  fundamental  policies,  or for any other  purpose  requiring a
shareholder  vote under the 1940 Act.  Separate votes are taken by the Fund only
if a matter affects or requires the vote of just the Fund. As a shareholder, you
are entitled to one vote for each share that you own.

SIZE OF THE FUND

   
The Fund may  discontinue  sales  of its  shares  if  management  believes  that
continued  sales  may  adversely  affect  the  Fund's  ability  to  achieve  its
investment objective. If sales of the Fund are discontinued, it is expected that
existing  shareholders  of the Fund would be  permitted  to continue to purchase
shares and to reinvest any  dividends  or capital  gains  distributions,  absent
highly unusual circumstances.
    

MASTER/FEEDER OPTION

The Trust may in the future seek to achieve the Fund's  investment  objective by
investing all of the Fund's assets in another investment company having the same
investment   objective  and  substantially  the  same  investment  policies  and
restrictions  as those  applicable  to the Fund.  It is  expected  that any such
investment  company would be managed by Janus Capital in substantially  the same
manner as the Fund. The Fund's shareholders of record on April 30, 1992, and the
initial  shareholder(s) of all series of the Trust created after April 30, 1992,
have  voted to vest  authority  to use  this  investment  structure  in the sole
discretion of the Trustees.  No further approval of the shareholders of the Fund
is  required.  You will  receive  at least 30  days'  prior  notice  of any such
investment.  Such investment would be made only if the Trustees  determine it to
be in the best  interests  of the  Fund and its  shareholders.  In  making  that
determination  the Trustees will consider,  among other things,  the benefits to
shareholders  and/or the  opportunity  to reduce  costs and achieve  operational
efficiencies.  Although  management  of the Fund believes that the Trustees will
not  approve  an  arrangement  that is likely to  result  in  higher  costs,  no
assurance  is given  that  costs will be  materially  reduced if this  option is
implemented.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       13
<PAGE>

DISTRIBUTIONS AND TAXES

DISTRIBUTIONS

The Internal Revenue Code requires the Fund to distribute net income and any net
gains realized by its investments annually. The Fund's income from dividends and
interest and any net realized  short-term capital gains are paid to shareholders
as dividends. The Fund realizes capital gains whenever it sells securities for a
higher  price than it paid for them.  Net realized  long-term  gains are paid to
shareholders  as  capital  gains  distributions.  Dividends  and  capital  gains
distributions are declared and paid in December.

HOW DISTRIBUTIONS AFFECT THE FUND'S NAV

Distributions are paid to shareholders as of the record date of the distribution
of the Fund,  regardless  of how long the shares have been held.  Dividends  and
capital gains  awaiting  distribution  are included in the Fund's daily NAV. The
share  price of the Fund  drops by the  amount of the  distribution,  net of any
subsequent market fluctuations.  As an example,  assume that on December 31, the
Fund  declared a dividend in the amount of $0.25 per share.  If the Fund's share
price was $10.00 on December  30, the Fund's share price on December 31 would be
$9.75, barring market fluctuations.

"BUYING A DIVIDEND"

If you purchase  shares of the Fund just before the  distribution,  you will pay
the full price for the shares and receive a portion of the  purchase  price back
as a taxable  distribution.  This is referred to as "buying a dividend."  In the
above  example,  if you bought shares on December 30, you would have paid $10.00
per share.  On December 31, the Fund would pay you $0.25 per share as a dividend
and your shares  would now be worth $9.75 per share.  Unless your account is set
up as a  tax-deferred  account,  dividends paid to you would be included in your
gross income for tax purposes,  even though you may not have participated in the
increase in NAV of the Fund, whether or not you reinvested the dividends.

DISTRIBUTION OPTIONS

When you open an account,  you must specify on your  application how you want to
receive your distributions.  You may change your distribution option at any time
by writing or calling 1-800-525-3713. The Fund offers the following options:


1.   Reinvestment  Option.  You may reinvest  your income  dividends and capital
     gains  distributions to purchase additional shares. This option is assigned
     automatically if no other choice is made.

2.   Cash  Option.  You may receive  your  income  dividends  and capital  gains
     distributions in cash.

3.   Reinvest And Cash Option.  You may receive either your income  dividends or
     capital  gains  distributions  in cash and  reinvest  the other to purchase
     additional shares.

4.   Redirect Option. You may direct your dividends or capital gains to purchase
     shares of another Janus fund.

TAXES

As with any investment, you should consider the tax consequences of investing in
the Fund. This discussion  does not apply to tax-deferred  retirement  accounts,
nor is it a complete  analysis of the federal tax  implications  of investing in
the Fund. You may wish to consult your own tax adviser.  Additionally,  state or
local taxes may apply to your investment, depending upon your residence.

TAXES ON DISTRIBUTIONS

Dividends  and  distributions  by the Fund are  subject to federal  income  tax,
regardless  of  whether  the  distribution  is made in  cash  or  reinvested  in
additional shares of the Fund. In certain states, a portion of the dividends and
distributions  (depending on the source of the Fund's income) may be exempt from
state and local taxes.  Information regarding the tax status of income dividends
and capital  gains  distributions  will be mailed to  shareholders  on or before
January 31st of each year.

TAXATION OF THE FUND

Dividends and interest received by the Fund on foreign securities may be subject
to tax  withholding or other foreign  taxes.  Any foreign taxes paid by the Fund
will be treated as an expense to the Fund or passed through to shareholders as a
foreign  tax  credit,  depending  on  particular  facts and  circumstances.  Tax
conventions  between  certain  countries  and the  United  States  may reduce or
eliminate such taxes.

For your  information,  the Fund does not  expect to pay any  federal  income or
excise  taxes  because it intends to meet certain  requirements  of the Internal
Revenue Code. It is important that the Fund meet these requirements so that your
investment will not be taxed twice.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       14
<PAGE>

APPENDIX A

GLOSSARY OF INVESTMENTS AND INVESTMENT TECHNIQUES

This glossary provides a more detailed description of the types of securities in
which the Fund may invest. The Fund may invest in these securities to the extent
permitted by its investment  objective and policies.  The Fund is not limited by
this discussion and may invest in any type of security  unless  precluded by the
policies discussed elsewhere in this Prospectus.

I. EQUITY AND DEBT SECURITIES

Bonds  are debt  securities  issued by a  company,  municipality  or  government
agency.  The  issuer of a bond is  required  to pay the holder the amount of the
loan (or par  value) at a  specified  maturity  and to make  scheduled  interest
payments.

Commercial  paper is a short-term debt obligation with a maturity ranging from 1
to 270 days  issued by banks,  corporations  and other  borrowers  to  investors
seeking to invest idle cash. The Fund may purchase commercial paper issued under
Section 4(2) of the  Securities  Act of 1933.  Janus Capital may determine  that
such securities are liquid under guidelines established by the Trustees.

Common stock  represents a share of ownership in a company,  and usually carries
voting rights and earns dividends.  Unlike preferred stock,  dividends on common
stock are not fixed but are declared at the  discretion of the issuer's board of
directors.

Convertible  securities are preferred  stocks or bonds that pay a fixed dividend
or interest  payment and are convertible  into common stock at a specified price
or conversion ratio.

Depositary receipts are receipts for shares of a foreign-based  corporation that
entitle the holder to dividends  and capital gains on the  underlying  security.
Receipts include those issued by domestic banks (American Depositary  Receipts),
foreign  banks  (Global or  European  Depositary  Receipts)  and  broker-dealers
(depositary shares).

Fixed-income securities are securities that pay a fixed rate of return. The term
generally  includes  short- and  long-term  government,  corporate and municipal
obligations  that pay a fixed rate of interest or coupons for a specified period
of time and preferred  stock,  which pays fixed  dividends.  Coupon and dividend
rates may be fixed for the life of the issue or, in the case of  adjustable  and
floating rate securities, for a shorter period.

High-yield/High-risk  bonds are securities that are rated below investment grade
by the primary rating agencies (BB or lower by Standard & Poor's and Ba or lower
by Moody's).  Other terms  commonly  used to describe  such  securities  include
"lower rated bonds," "noninvestment grade bonds" and "junk bonds."

Mortgage-  and  asset-backed  securities  are  shares  in an  organized  pool of
mortgages or other debt. These securities are generally pass-through securities,
which means that principal and interest  payments on the  underlying  securities
(less  servicing  fees) are passed through to  shareholders on a pro rata basis.
These securities  involve prepayment risk, which is the risk that the underlying
mortgages or other debt may be refinanced or paid off prior to their  maturities
during periods of declining  interest rates. In that case, the portfolio manager
may have to reinvest the proceeds from the securities at a lower rate. Potential
market gains on a security  subject to prepayment  risk may be more limited than
potential  market  gains  on a  comparable  security  that  is  not  subject  to
prepayment risk.

Passive foreign  investment  companies  (PFICs) are foreign  investment funds or
trusts. In addition to bearing their proportionate share of the Fund's expenses,
shareholders may indirectly bear similar expenses of PFICs and similar trusts.

Preferred stock is a class of stock that generally pays dividends at a specified
rate and has  preference  over  common  stock in the  payment of  dividends  and
liquidation. Preferred stock generally does not carry voting rights.

Repurchase  agreements  involve  the  purchase  of a security  by the Fund and a
simultaneous  agreement  (generally  by a bank  or  dealer)  to  repurchase  the
security from the Fund at a specified date or upon demand. This technique offers
a method of earning income on idle cash. These securities  involve the risk that
the seller will fail to repurchase  the security,  as agreed.  In that case, the
Fund will bear the risk of market value  fluctuations  until the security can be
sold and may encounter delays and incur costs in liquidating the security.

Reverse  repurchase  agreements  involve  the sale of a security  by the Fund to
another  party  (generally a bank or dealer) in return for cash and an agreement
by the  Fund to buy the  security  back at a  specified  price  and  time.  This
technique  will be used to provide cash to satisfy  unusually  heavy  redemption
requests or for other temporary or emergency purposes.

Standby  commitments  are  obligations  purchased by the Fund from a dealer that
give the Fund the option to sell a security to the dealer at a specified price.

U.S.  government  securities include direct  obligations of the U.S.  government
that are  supported  by its full faith and credit.  Treasury  bills have initial
maturities of less than one year,  Treasury notes have initial maturities of one
to ten years and Treasury  bonds may be issued with any  maturity but  generally
have maturities of at least ten years. U.S.  government  securities also include
indirect  obligations of the U.S. government that are issued by federal agencies
and government sponsored entities. Unlike Treasury securities, agency securities
generally  are not backed by the full  faith and credit of the U.S.  government.
Some agency  securities  are supported by the right of the issuer to borrow from
the Treasury,  others are supported by the  discretionary  authority of the U.S.
government to purchase the agency's obligations and others are supported only by
the credit of the sponsoring agency.

Warrants are securities,  typically issued with preferred stocks or bonds,  that
give the holder  the right to buy a  proportionate  amount of common  stock at a
specified price,  usually at a price that is higher than the market price at the
time of  issuance  of the  warrant.  The right may last for a period of years or
indefinitely.


   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       15
<PAGE>

When-issued,  delayed delivery and forward  transactions  generally  involve the
purchase of a security  with payment and delivery due at some time in the future
- - i.e.,  beyond  normal  settlement.  The Fund  does not earn  interest  on such
securities until  settlement and bears the risk of market value  fluctuations in
between  the  purchase  and  settlement  dates.  New issues of stocks and bonds,
private placements and U.S. government securities may be sold in this manner.

Zero  coupon  bonds are debt  securities  that do not pay  interest  at  regular
intervals,  but are  issued  at a  significant  discount  from face  value.  The
discount approximates the total amount of interest the security will accrue from
the date of issuance to maturity.  Strips are debt  securities that are stripped
of their interest (usually by a financial intermediary) after the securities are
issued.  The  market  value of these  securities  generally  fluctuates  more in
response  to  changes  in  interest  rates than  interest-paying  securities  of
comparable maturity.


II. FUTURES, OPTIONS AND OTHER DERIVATIVES

Futures  contracts  are  contracts  that  obligate  the buyer to receive and the
seller to deliver an  instrument  or money at a  specified  price on a specified
date.  The  Fund may buy and  sell  futures  contracts  on  foreign  currencies,
securities and financial  indices  including  interest rates or an index of U.S.
government,  foreign government, equity or fixed-income securities. An option on
a futures contract gives the buyer the right, but not the obligation,  to buy or
sell a futures  contract  at a specified  price on or before a  specified  date.
Futures  contracts  and  options  on  futures  are  standardized  and  traded on
designated exchanges.

Indexed/structured  securities are typically  short- to  intermediate-term  debt
securities  whose value at maturity  or interest  rate is linked to  currencies,
interest rates, equity securities,  indices or other financial indicators.  Such
securities  may be  positively  or  negatively  indexed  (i.e.,  their value may
increase  or  decrease  if  the  reference  index  or  instrument  appreciates).
Indexed/structured  securities may have return characteristics similar to direct
investments  in the  underlying  instruments  and may be more  volatile than the
underlying  instruments.  The Fund bears the market risk of an investment in the
underlying instruments, as well as the credit risk of the issuer.

Options are the right, but not the obligation, to buy or sell a specified amount
of  securities  or other  assets  on or before a fixed  date at a  predetermined
price.  The Fund may  purchase  and write put and call  options  on  securities,
securities indices and foreign currencies.

Forward  contracts  are  contracts  to purchase  or sell a  specified  amount of
property for an agreed upon price at a specified time. Forward contracts are not
currently  exchange traded and are typically  negotiated on an individual basis.
The Fund may enter into forward currency  contracts to hedge against declines in
the  value of  non-dollar  denominated  securities  or to reduce  the  impact of
currency appreciation on purchases of non-dollar denominated securities.  It may
also enter into  forward  contracts  to  purchase  or sell  securities  or other
financial indices.

Interest  rate swaps  involve the  exchange  by two parties of their  respective
commitments  to pay or receive  interest  (e.g.,  an exchange  of floating  rate
payments for fixed rate payments).



   
JANUS TWENTY FUND PROSPECTUS  FEBRUARY 15, 1995 AS SUPPLEMENTED NOVEMBER 1, 1995
    

                                       16



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