JANUS INVESTMENT FUND
N-30D, 1997-06-19
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                               TABLE OF CONTENTS
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Our Message to You                                                             1
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Portfolio Manager's Commentary and Schedule of Investments
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     Janus Flexible Income Fund                                                2
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     Janus High-Yield Fund                                                     6
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     Janus Federal Tax-Exempt Fund                                            10
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     Janus Short-Term Bond Fund                                               13
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     Janus Money Market Fund                                                  16
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     Janus Government Money Market Fund                                       19
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     Janus Tax-Exempt Money Market Fund                                       20
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Statements of Operations - Bond Funds                                         22
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Statements of Assets and Liabilities - Bond Funds                             23
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Statements of Changes in Net Assets - Bond Funds                              24
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Financial Highlights - Bond Funds                                             25
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Statements of Operations - Money Market Funds                                 27
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Statements of Assets and Liabilities - Money Market Funds                     27
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Statements of Changes in Net Assets - Money Market Funds                      28
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Financial Highlights - Money Market Funds                                     29
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Notes to Schedules of Investments                                             30
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Notes to Financial Statements                                                 30
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Performance Information
     Performance  overview graphs on the following pages compare the performance
of a $10,000 investment in each fund, since its inception, to one or more widely
used market  indexes.  Each graph reflects the lifetime  performance of the fund
through April 30, 1997.
     When  comparing the  performance  of a fund to an index,  keep in mind that
market  indexes do not take into  account  brokerage  commissions  that would be
incurred if you purchased  the  individual  securities  that comprise the index.
They also do not include taxes payable on dividends  and interest  payments,  or
operating expenses necessary to maintain a portfolio investing in the index.
     Average annual total returns are quoted for each fund. Average annual total
return is  calculated  by taking the growth or decline in value of an investment
over a period of time,  including  reinvestment of dividends and  distributions,
and then  calculating  the  annual  compound  percentage  rate that  would  have
produced  the same result had the rate of growth been  constant  throughout  the
period.

An Explanation of the Schedule of Investments
     Following  the  performance  overview  graph  is each  fund's  Schedule  of
Investments. This schedule reports the industry concentrations and the different
types  of  securities  held  in the  fund's  portfolio  on the  last  day of the
reporting  period.  Securities  are  usually  listed  by  type  (common  stocks,
corporate   bonds,   U.S.   government   obligations,   etc.)  and  by  industry
classification (banking, communications, insurance, etc.).
     The market value of each security  represents  its value on the last day of
the  reporting  period.  Funds  that  own  securities   denominated  in  foreign
currencies convert the value of their securities into U.S. dollars.

An Explanation of the Forward Currency Contract Table
     A table listing forward currency contracts will follow each fund's Schedule
of Investments (if applicable).  Forward currency contracts represent agreements
to deliver or receive a preset  amount of  currency  at a future  date.  Forward
currency contracts are used to hedge against foreign currency risk in the fund's
long-term holdings.
     The table provides the foreign currency being sold and the settlement date,
the amount sold,  the value of the currency in U.S.  dollars,  and the amount of
unrealized  gain or loss.  The amount of  unrealized  gain or loss  reflects the
change in currency  exchange  rates from the time the contract was opened to the
last day of the reporting period.

<PAGE>

                               OUR MESSAGE TO YOU

Dear Shareholders:
     During the first half of our fiscal  year,  from  October 31, 1996 to April
30, 1997, the bond market  fluctuated  within a clearly defined zone, also known
as a trading  range.  One way to measure the market's range is the yield paid by
the benchmark 30-year Treasury bond, which varied from 7.25% at the upper end of
the range to 6.5% on the lower end.
     At first  glance,  a trading  range of this size would  seem to  indicate a
stable market, and in some important ways it did. But movements within the range
were often volatile. In other words, the bond market did not idle away somewhere
in the middle of the zone, but instead fluctuated between the poles, probing the
upper  boundary when the economy showed signs of strength and backing down again
when economic data was soft.
     All in all,  it made for a skittish  debt  market,  especially  in the more
interest   rate   sensitive   sectors,   such   as   Treasury   securities   and
investment-grade  corporate bonds. Lower grade debt, including high-yield bonds,
fared better because there was demand for their yields,  and because  high-yield
bonds benefit from a good stock market and a healthy economy. We had both during
the last six months.

The Economy Gathered Momentum
     The economy was stronger  than  expected in the first  calendar  quarter of
1997.  Gross domestic  product surged to an annual rate of 5.6%, and the Federal
Reserve Board raised short-term interest rates in late March.  Intermediate- and
long-term  rates  had  already  risen  in  anticipation  of the rate  hike,  and
immediately  after the increase  they tested the top of the trading  range.  The
stock market also experienced a sharp decline.
     As we approached  April 30,  however,  rates backed down.  Once again,  the
upper limit of the zone held. The reason was softer  economic  data.  Industrial
demand dropped sharply and inflation was very low. The stock market responded to
the news and to the bond market's rally with a powerful rebound of its own. And,
as I write this letter in mid-May,  bond yields are still declining on excellent
inflation news.
     But the  real  good  news in the  bond  market's  current  rally is what it
indicates about the flexibility of the U.S. economy.  Relatively  minor,  though
rapid,  adjustments  in  interest  rates are able to slow and  restart  economic
growth  virtually on a dime.  In short,  the economy is now behaving more like a
formula racing car instead of the big eighteen wheeler it used to resemble. What
makes this possible, of course, are extremely efficient computerized  management
systems.  Computerized  systems can run a  manufacturing  line with tight,  very
sensitive  parameters.  Dell  Computer,  for  example,  keeps only  twelve  days
inventory on hand to support its manufacturing  operations.  Dell is the best in
its  industry at  inventory  control,  but it is also a leader in a trend toward
automation that cuts across the entire U.S. commercial landscape.  The trend has
led  to  increased   productivity   and,  in  combination   with   international
competition, lower inflation.

How Fixed-Income Sectors Performed
     During the first half,  high-yield bonds continued to perform well, despite
criticism from Federal Reserve Board Chairman Alan Greenspan that the sector was
overvalued.  When interest  rates are low, the economy is robust,  and the stock
market is strong,  high-yield  bonds  tend to be in demand for their  yields and
potential  for capital  appreciation.  A good  business  climate  provides  more
opportunities  for  high-yield  issuers to grow their earnings and improve their
balance sheets, and a strong stock market makes it easier to raise capital.  New
offerings of both high-yield and investment-grade corporate debt were very heavy
during the six months, as companies of all grades sought to refinance borrowings
at lower rates.
     Emerging  market debt and  convertible  securities also posted good returns
for  similar  reasons.  Investors  were eager to take  advantage  of the capital
appreciation  potential in emerging markets and to gain equity participation via
bonds that are convertible into stock.
     In addition,  U.S. Treasury  securities are still  experiencing good demand
from  foreign  investors.  Our yields  remain  high  compared to those of mature
markets such as Europe and Japan,  where  economic  growth is slow and rates are
low.  The strong  dollar also added to the  attractiveness  of U.S.  Treasuries.
Foreign investors wanted to own our bonds not only to collect the higher yields,
but also to profit from the dollar's rise versus their own currencies.

How Our Funds Performed
     When  interest  rates are  volatile,  as they were during the first half, a
flexible investment  strategy,  which our funds have, is often the best means of
dealing with interest rate changes.  In general,  our funds reacted very well to
the  skittish  environment,  and,  as a result,  were able to  outperform  their
benchmark  indexes  and also rank high versus  their  peers.(1)  The  individual
results are in each fund's semiannual letter,  but Ron Speaker,  Sharon Pichler,
Sandy  Rufenacht,  and Darrell  Watters,  and all the members of their  research
teams, deserve congratulations for handling an often difficult environment.
       We appreciate your continued investment with Janus.


     Thomas H. Bailey
     Chairman

- --------------------------------------------------------------------------------
(1)  For a prospectus containing more complete information,  including expenses,
     please call a Janus Investor Service Representative at 1-800-525-3713. Read
     the prospectus  carefully before you invest or send money. Past performance
     is no guarantee of future results.

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 1
<PAGE>

                           JANUS FLEXIBLE INCOME FUND
           Portfolio Managers, Ronald V. Speaker, Sandy R. Rufenacht

Performance
     The  Janus  Flexible   Income  Fund   outperformed   the  Lehman   Brothers
Government/Corporate  Bond Index for the first half of our fiscal year,  October
31,  1996  through  April 30,  1997.  The Fund  posted a total  return of 2.43%,
compared  to a gain  of  1.30%  for  the  Lehman  Index.  Both  returns  include
reinvested dividends.
     Over the last 12 months,  Janus Flexible  Income Fund's total return put it
in the top 16% (206/1326) of the general bond funds tracked by Lipper Analytical
Services, Inc., a mutual fund rating company.(1)
     The Fund's  diversity  remains its chief  advantage  in  outperforming  the
Lehman Index. The portfolio  contains a variety of fixed-income  assets,  and in
the first  half,  its  high-yield  bonds  continued  to  register  Index-beating
returns.
     Overall,  the bond market spent the period fluctuating between the high and
low ends of a trading range.  Rates swung between 6.5% and 7.25%, as measured by
the yield on the benchmark  30-year  Treasury bond. Even though the period ended
on a strong note, when the 30-year yield dropped back below 7%, bond performance
was generally mixed during the six months.
     The high-yield sector came under pressure late in the period,  primarily as
a result of Federal  Reserve  Board  Chairman  Alan  Greenspan's  comments  that
high-yield securities were overvalued.  When the stock market began to come down
as well,  high-yield debt experienced  additional pressure,  since the sector is
really a hybrid. The same conditions that benefit equities - low interest rates,
abundant  capital,  and a healthy  economy - also  benefit  high-yield  issuers.
However, when interest rates fell sharply "right at the wire," as the first half
ended, high-yield bonds also rebounded.

Portfolio Strategy
     As rates rose toward the top of their range we became more  defensive.  The
exposure to "cushion bonds" was increased. These are high-yield bonds that carry
generous yields and are more likely to be redeemed  before they mature.  Cushion
bonds  tend to have less  price  volatility  but still  allow us to  collect  an
attractive coupon.

- ------------------------------------------------------------
Fund Profile               April 30, 1997   October 31, 1996
Weighted Avg. Maturity        8.0 Yrs.          8.2 Yrs.
Average Modified Duration*    4.5 Yrs.          4.9 Yrs.
30-Day Avg. Yield**             7.25%             8.15%
Average Rating                  BBB+               BBB
- ------------------------------------------------------------
*  A theoretical measure of price volatility.
** Yields will fluctuate

Portfolio Asset Mix
- ------------------------------------------------------------
                           April 30, 1997   October 31, 1996
Investment-Grade
  Corporate Bonds               30.9%             30.0%
High-Yield/High-Risk Bonds      38.8%             47.0%
U.S. Government Bonds           14.3%              9.5%
Foreign Non-Dollar Bonds         --                0.1%
Preferred Stock                  4.0%              2.0%
Cash and Cash Equivalents       12.0%             11.4%
- ------------------------------------------------------------

The Portfolio
     The Treasury and  corporate  sectors of the portfolio  were little  changed
during the first half. Treasuries were kept at ten-year maturities to preserve a
competitive  yield  and  avoid  the  volatility  of  longer  bonds.  Most of our
investment-grade  corporate bonds are rated BBB or better by Standard and Poor's
Ratings  Services,  with  selected  lower-rated  bonds - BB is the  lowest  - to
enhance yield. Holdings include WorldCom, Conseco, Coca Cola, and Walt Disney.
     Allbritton is an example of what we look for in a high-yield  cushion bond.
Allbritton  owns six  television  stations on the east coast.  According  to our
analysis,  the company's ABC affiliate in Washington,  D.C. provides  reasonable
collateral by itself for the debt offering we own, which carries an 11.5% coupon
and is callable in August.  Albritton recently issued 9.75% bonds, so we believe
our bonds could be redeemed early.
     Ryder Truck Rental is another  high-yield  issuer with exciting  potential.
Ryder is well-managed,  has great brand  recognition,  and is restructuring  its
financial operation to increase cash and pay down debt.

Going Forward
     We are comfortable with the bond market in its current trading range, where
the Fund's  flexibility  has proven  effective  in dealing  with  interest  rate
changes.  We intend to continue  using the  volatility in interest rates to take
advantage of specific opportunities.
     We believe  the  Federal  Reserve  Board made the  correct  decision in its
recent interest rate hike. In general,  the Federal Reserve has done a very good
job of  regulating  fiscal  policy.  Given the  flexibility  of business and the
current  level of consumer  debt,  it should not take much to slow the  economy.
During  the  period,  every  time  the  top of the  current  trading  range  was
approached,  as it was in April,  the economy slowed and rates settled lower. As
long as this  equilibrium  is in place,  the  climate  for bonds  should  remain
positive.
     Thank you for your continued investment in Janus Flexible Income Fund.

- --------------------------------------------------------------------------------
(1)  According to Lipper Analytical  Services,  Inc., General Bond Funds "Do not
     have any quality or maturity restrictions. Intend to keep bulk of assets in
     corporate and government debt issues." For the last 3 years, Janus Flexible
     Income Fund ranked 89/903 (top 10%) in its Lipper category, and 63/493 (top
     13%) over 5 years.  The Lipper ranking is based on total return,  including
     reinvestment  of dividends  and capital gains for the stated  period.  Past
     performance is not predictive of future results.


             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 2
<PAGE>

                           JANUS FLEXIBLE INCOME FUND
           Portfolio Managers, Ronald V. Speaker, Sandy R. Rufenacht

Performance Overview

GRAPHIC

A graphic comparison of the change in value of a hypothetical $10,000 investment
in Janus Flexible Income Fund and the Lehman Brothers  Government/Corporate Bond
Index.  Janus  Flexible  Income Fund is  represented  by a solid green line. The
Lehman  Brothers  Government/Corporate  Bond  Index is  represented  by a single
dashed black line.  The "y" axis reflects the value of the  investment.  The "x"
axis reflects the  computation  periods from  inception,  July 2, 1987,  through
April 30,  1997.  The upper  right  quadrant  reflects  the ending  value of the
hypothetical  investment in Janus Flexible  Income Fund ($23,452) as compared to
the Lehman Brothers Government/Corporate Bond Index ($22,587). There is a legend
in the upper left quadrant of the graph which  indicates  Janus Flexible  Income
Fund's  one-year,  five-year and since  inception  (July 2, 1987) average annual
total returns as 8.54%, 9.59% and 9.04%, respectively.

* The Fund's inception date
Source - Lipper Analytical  Services,  Inc. 1997.
All returns reflect reinvested dividends.  Past performance is not predictive of
future performance.  Investment return and principal value may fluctuate so that
shares,  when redeemed,  may be worth more or less than their original cost. The
Fund's portfolio may differ  significantly from the securities in the index. The
index is  unmanaged  and  therefore  does  not  reflect  the  cost of  portfolio
management or trading.

              JANUS FLEXIBLE INCOME FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Corporate Bonds - 69.6%
- --------------------------------------------------------------------------------
Agricultural Operations - 0.8%
    $5,000,000   Hines Horticulture, Inc., 11.75%
                   senior subordinated notes, due 10/15/05           $ 5,200,000
- --------------------------------------------------------------------------------
Airlines - 0.4%
     3,000,000   ValuJet, Inc., 10.25%
                   senior notes, due 4/15/01                           2,793,750
- --------------------------------------------------------------------------------
Automotive - Cars and Light Trucks - 3.1%
    20,000,000   Ford Motor Co., 7.25%
                   notes, due 10/1/08                                 19,775,000
- --------------------------------------------------------------------------------
Beverages - Non - Alcoholic - 1.7%
     7,500,000   Coca-Cola Enterprises, 6.75%
                   debentures, due 9/15/23                             6,712,500
     4,000,000   Dr. Pepper Bottling Holdings, zero coupon
                   senior notes, due 2/15/03                           3,890,000
- --------------------------------------------------------------------------------
                                                                      10,602,500
- --------------------------------------------------------------------------------
Building Products - Air and Heating - 0.7%
     3,960,000   American Standard Companies, Inc., 11.375%
                   senior debentures, due 5/15/04                      4,207,500
- --------------------------------------------------------------------------------
Cable Television - 0.5%
     3,000,000   Galaxy Telecom, L.P., 12.375%
                   senior subordinated notes, due 10/1/05              3,067,500
- --------------------------------------------------------------------------------
Chemicals - Fibers - 0.8%
     5,000,000   Polysindo International Finance Co. B.V.,
                   11.375% company guaranteed
                   notes due 6/15/06                                   5,312,500
- --------------------------------------------------------------------------------
Chemicals - Specialty - 1.5%
    10,000,000   Praxair, Inc., 6.90%
                   notes, due 11/1/06                                  9,775,000
- --------------------------------------------------------------------------------

Commercial Banks - 3.5%
   $10,100,000   First Nationwide Escrow Corp., 10.625%
                   senior subordinated notes, due 10/1/03            $10,756,500
     2,000,000   First Nationwide Holdings, Inc., 12.50%
                   senior notes, due 4/15/03                           2,220,000
     5,000,000   HUBCO, Inc., 8.20%
                   subordinated debentures, due 9/15/06                5,131,250
     4,000,000   North Fork Bancorporation, Inc., 8.70%
                   bonds, due 12/15/26+                                3,975,000
- --------------------------------------------------------------------------------
                                                                      22,082,750
- --------------------------------------------------------------------------------
Commercial Services - 1.2%
     7,000,000   NeoData Services, Inc., 12.00%
                   senior notes, due 5/1/03                            7,455,000
- --------------------------------------------------------------------------------
Computers - Mainframe - 1.3%
     8,000,000   IBM Corp., 7.50%
                   global notes, due 6/15/13                           8,050,000
- --------------------------------------------------------------------------------
Containers - Metal and Glass - 1.5%
    10,000,000  Crown Cork & Seal  Finance PLC,7.00%
                   company guaranteed notes, due 12/15/06              9,737,500
- --------------------------------------------------------------------------------
Electric - Integrated - 2.0%
                 El Paso Electric Co.:
     3,000,000     8.90%, first mortgage bonds, due 2/1/06             3,135,000
     9,000,000     9.40%, first mortgage bonds, due 5/1/11             9,573,750
- --------------------------------------------------------------------------------
                                                                      12,708,750
- --------------------------------------------------------------------------------
Engineering - Research and Development - 1.0%
     6,000,000   Intertek Finance PLC, 10.25%
                   senior subordinated notes, due 11/1/06              6,150,000
- --------------------------------------------------------------------------------
Fertilizers - 0.2%
     1,000,000   Pioneer Americas Acquisition, 13.375%
                   senior notes, due 4/1/05                            1,161,250
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

              JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 3
<PAGE>

              JANUS FLEXIBLE INCOME FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Finance - Auto Loans - 1.5%
   $10,000,000   General Motors Acceptance Corp., 6.625%
                   notes, due 10/15/05                               $ 9,550,000
- --------------------------------------------------------------------------------
Finance - Leasing Companies - 0.8%
     5,000,000   Ryder Trucks, Inc., 10.00%
                   senior subordinated notes, due 12/1/06              5,037,500
- --------------------------------------------------------------------------------
Food - Diversified - 2.1%
     5,000,000   International Home Foods, 10.375%
                   senior subordinated notes, due 11/1/06+             5,087,500
     8,000,000   Ralston-Ralston Purina Group, 7.875%
                   debentures, due 6/15/25                             8,010,000
- --------------------------------------------------------------------------------
                                                                      13,097,500
- --------------------------------------------------------------------------------
Food - Retail - 1.8%
     2,000,000   Carr-Gottstein Foods Co., 12.00%
                   senior subordinated notes, due 11/15/05             2,150,000
     1,175,000   Pathmark Stores, Inc., 12.625%
                   subordinated notes, due 6/15/02                     1,183,812
     7,000,000   Smith's Food & Drug Centers, Inc., 11.25%
                   senior subordinated notes, due 5/15/07              7,822,500
- --------------------------------------------------------------------------------
                                                                      11,156,312
- --------------------------------------------------------------------------------
Gambling - Non-Hotel Casinos- 0.9%
     2,000,000   Casino America, Inc., 12.50%
                   senior notes, due 8/1/03                            2,010,000
     3,000,000   Mohegan Tribal Gaming Authority, 13.50%
                   senior notes, due 11/15/02                          3,930,000
- --------------------------------------------------------------------------------
                                                                       5,940,000
- --------------------------------------------------------------------------------
Home Furnishings - 0.7%
       212,000   Cort Furniture Rental, 12.00%
                   senior notes, due 9/1/00                              235,585
     4,000,000   Lifestyle Furnishings International, Inc., 10.875%
                   company guaranteed
                   notes, due 8/1/06                                   4,280,000
- --------------------------------------------------------------------------------
                                                                       4,515,585
- --------------------------------------------------------------------------------
Hotels and Motels - 1.7%
    10,000,000   Courtyard By Marriott ll, L.P., 10.75%
                   senior notes, due 2/1/08                           10,450,000
- --------------------------------------------------------------------------------
Industrial Audio and Video Products - 0.3%
     2,000,000   Unifrax Investment Corp., 10.50%
                   senior notes, due 11/1/03                           2,040,000
- --------------------------------------------------------------------------------
Life and Health Insurance - 2.9%
     4,000,000   Conseco Finance Trust, 8.70%
                   guaranteed notes, due 11/15/26                      3,940,000
    11,000,000   Delphi Financial Group, Inc., 8.00%
                   senior notes, due 10/1/03                          10,945,000
     3,500,000   Penncorp Financial Group, Inc., 9.25%
                   senior subordinated notes,  due 12/15/03            3,640,000
- --------------------------------------------------------------------------------
                                                                      18,525,000
- --------------------------------------------------------------------------------
Manufacturing - 0.7%
     4,000,000   Plastic Specialties & Technologies, Inc., 11.25%
                   senior secured notes, due 12/1/03                   4,240,000
- --------------------------------------------------------------------------------
Medical - Hospitals - 3.4%
                 Tenet Healthcare Corp.:
    10,000,000     10.125%, senior subordinated notes,
                     due 3/1/05                                       10,750,000
     7,000,000     8.625%, senior notes, due 12/1/03                   7,140,000
     4,000,000     8.625%, subordinated notes, due 1/15/07             3,960,000
- --------------------------------------------------------------------------------
                                                                      21,850,000
- --------------------------------------------------------------------------------
Medical Labs and Testing Services - 1.5%
     8,500,000   Dade International, Inc., 11.125%
                   senior subordinated notes, due 5/1/06               9,286,250
- --------------------------------------------------------------------------------
Medical Products - 0.4%
   $ 2,500,000   IMED Corp., 9.75%
                   senior subordinated notes, due 12/1/06+           $ 2,493,750
- --------------------------------------------------------------------------------
Money Center Banks - 3.1%
    10,000,000   Chase Manhattan Corp., 6.75%
                   subordinated notes, due 8/15/08                     9,450,000
    10,000,000   First National Bank of Boston, 7.375%
                   subordinated notes, due 9/15/06                     9,962,500
- --------------------------------------------------------------------------------
                                                                      19,412,500
- --------------------------------------------------------------------------------
Multimedia - 3.9%
    14,500,000   Time Warner, Inc., 8.11%
                   notes, due 8/15/06                                 14,771,875
    10,000,000   Walt Disney Co. (The), 6.75%
                   senior notes, due 3/30/06                           9,700,000
- --------------------------------------------------------------------------------
                                                                      24,471,875
- --------------------------------------------------------------------------------
Oil Companies - Exploration and Production - 1.2%
     4,000,000   Gulf Canada Resources, Ltd., 9.25%
                   senior subordinated debentures, due 1/15/04         4,140,000
     3,000,000   Mesa Operating Co., 10.625%
                   unsecured company guaranteed notes,
                   due 7/1/06                                          3,273,750
- --------------------------------------------------------------------------------
                                                                       7,413,750
- --------------------------------------------------------------------------------
Paint and Related Products - 1.8%
    11,500,000   Sherwin-Williams Co., 6.85%
                   notes, due 2/1/07                                  11,226,875
- --------------------------------------------------------------------------------
Property and Casualty Insurance - 2.3%
     5,000,000   Arkwright CSN Trust, 9.625%
                   notes, due 8/15/26+                                 5,375,000
     9,000,000   Orion Capital Corp., 7.25%
                   senior notes, due 7/15/05                           8,865,000
- --------------------------------------------------------------------------------
                                                                      14,240,000
- --------------------------------------------------------------------------------
Recreation Centers - 1.1%
     7,000,000   Six Flags Theme Parks, zero coupon
                   senior subordinated notes, due 6/15/05              6,868,750
- --------------------------------------------------------------------------------
Reinsurance - 0.8%
     5,000,000   Veritas Holdings GMBH, 9.625%
                   senior notes, due 12/15/03                          5,025,000
- --------------------------------------------------------------------------------
Retail - Auto Parts - 0.6%
     3,600,000   Federal-Mogul Co., 8.80%
                   senior notes, due 4/15/07+                          3,631,500
- --------------------------------------------------------------------------------
Retail - Drug Store - 0.5%
     3,000,000   Duane Reade Corp., 12.00%
                   senior notes, due 9/15/02                           3,105,000
- --------------------------------------------------------------------------------
Retail - Leisure Products - 1.5%
     9,000,000   Selmer Co., Inc., 11.00%
                   senior subordinated notes, due 5/15/05              9,720,000
- --------------------------------------------------------------------------------
Retail - Music Store - 0.2%
     1,333,000   Guitar Center, Inc., 11.00%
                   senior notes, due 7/1/06                            1,444,639
- --------------------------------------------------------------------------------
Retail - Perfume and Cosmetics - 0.5%
     3,000,000   Renaissance Cosmetics, Inc., 11.75%
                   senior notes, due 2/15/04                           3,030,000
- --------------------------------------------------------------------------------
Retail - Pet Food and Supplies - 0.5%
     3,000,000   Doane Products Co., 10.625%
                   senior notes, due 3/1/06                            3,116,250
- --------------------------------------------------------------------------------
Retail - Regional Department Stores - 0.8%
     5,000,000   Federated Department Stores, Inc., 8.50%
                   senior notes, due 6/15/03                           5,193,750
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 4
<PAGE>

             JANUS FLEXIBLE INCOME FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Savings/Loan/Thrifts - 3.6%
    $5,000,000   Anchor Bancorp, Inc., 8.9375%
                   senior notes, due 7/9/03                          $ 5,137,500
     8,000,000   People's Bank Bridgeport, 7.20%
                   subordinated notes, due 12/1/06                     7,740,000
     5,000,000   St. Paul Bancorp, Inc., 7.125%
                   senior notes, due 2/15/04                           4,862,500
     5,000,000   Standard Federal Bancorp, 7.75%
                   subordinated notes, due 7/17/06                     5,093,750
- --------------------------------------------------------------------------------
                                                                      22,833,750
- --------------------------------------------------------------------------------
Super-Regional Banks - 2.8%
     8,000,000   NationsBank Corp., 7.75%
                   subordinated notes, due 8/15/15                     7,950,000
    10,000,000   Wells Fargo & Co., 7.125%
                   subordinated notes, due 8/15/06                     9,812,500
- --------------------------------------------------------------------------------
                                                                      17,762,500
- --------------------------------------------------------------------------------
Telecommunication Services - 1.6%
     3,000,000   Intermedia Communications of Florida, Inc.,
                   13.50% senior notes, due 6/1/05                     3,315,000
     5,000,000   NEXTLINK Communications, L.L.C., 12.50%
                   senior notes, due 4/15/06                           5,150,000
     2,000,000   RSL Communications, Ltd., 12.25%
                   units, due 11/15/06+                                1,980,000
- --------------------------------------------------------------------------------
                                                                      10,445,000
- --------------------------------------------------------------------------------
Telephone - Long Distance - 0.6%
     4,000,000   WorldCom, Inc., 7.55%
                   notes, due 4/1/04                                   3,995,000
- --------------------------------------------------------------------------------
Television - 1.3%
     2,000,000   Allbritton Communications, 11.50%
                   senior subordinated debentures,
                   due 8/15/04                                         2,100,000
     5,500,000   Pegasus Media & Communications, Inc., 12.50%
                   notes, due 7/1/05                                   5,912,500
- --------------------------------------------------------------------------------
                                                                       8,012,500
- --------------------------------------------------------------------------------
Textile - Products - 0.3%
     2,000,000   Collins & Aikman Corp., 10.00%
                   senior subordinated notes, due 1/15/07              1,965,000
- --------------------------------------------------------------------------------
Theaters - 0.6%
     3,932,586   United Artists Theatres Circuit, Inc., 9.30%
                   pass thru certificates, due 7/1/15                  3,622,895
- --------------------------------------------------------------------------------
Transportation - Equipment and Leasing - 0.8%
     5,000,000   Interpool Capital Trust, 9.875%
                   bonds, due 2/15/27+                                 4,975,000
- --------------------------------------------------------------------------------
Transportation - Services - 0.3%
     2,000,000   Atlantic Express Transportation Co., 10.75%
                   company guaranteed notes, due 2/1/04                2,050,000
- --------------------------------------------------------------------------------
Total Corporate Bonds (cost $437,220,521)                            439,822,431
- --------------------------------------------------------------------------------
Convertible Bonds - 0.1%
Oil Companies - Exploration and ProductIon - 0.1%
     1,000,000   Lukinter Finance B.V., 3.50%
                   company guaranteed notes,
                   due 5/6/02+  (cost $1,000,000)                      1,040,000
- --------------------------------------------------------------------------------
Preferred Stock - 4.0%
Real Estate Investment Trust - 0.3%
        65,000   Wellsford Residential Property Trust, 7.00%           1,584,375
- --------------------------------------------------------------------------------
Savings/Loan/Thrifts - 3.1%
       375,000   California Federal Preferred Capital Corp.,
                   9.125%                                            $ 9,375,000
       350,000   Chevy Chase Savings, 13.00%, Non-Cumulative          10,500,000
- --------------------------------------------------------------------------------
                                                                      19,875,000
- --------------------------------------------------------------------------------
Telecommunication Services - 0.6%
        80,000   NEXTLINK Communications, Inc., 14.00%                 3,720,000
- --------------------------------------------------------------------------------
Total Preferred Stock (cost $25,830,902)                              25,179,375
- --------------------------------------------------------------------------------
Short-Term Corporate Notes - 10.8%
   $10,000,000   Bell Atlantic Corp.
                   5.60%, 5/1/97                                      10,000,000
    30,000,000   General Electric Capital Corp.
                   5.62%, 5/1/97                                      30,000,000
    28,100,000   Household Finance Corp.
                   5.58%, 5/1/97                                      28,100,000
- --------------------------------------------------------------------------------
Total Short-Term Corporate Notes (amortized cost $68,100,000)         68,100,000
- --------------------------------------------------------------------------------
U.S. Government Obligation - 14.3%
    92,000,000   U.S. Treasury Notes, 6.50%
                   due 10/15/06** (cost $91,579,815)                  90,411,160
- --------------------------------------------------------------------------------
Total Investments (total cost $623,731,238) - 98.8%                  624,552,966
- --------------------------------------------------------------------------------
Cash, Receivables and Other Assets, net of Liabilities - 1.2%          7,694,040
- --------------------------------------------------------------------------------
Net Assets - 100%                                                   $632,247,006
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
Financial Futures - Short
 250 Contracts   U.S. Treasury - 10 year note, expires
                   June 1997, principal amount $26,739,375
                   value $26,742,188, cumulative depreciation           $  2,813
 225 Contracts   U.S. Treasury - 30 year bond, expires
                   June 1997, principal amount $24,257,813,
                   value $24,588,281, cumulative depreciation            330,468
- --------------------------------------------------------------------------------
                                                                        $333,281
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 5
<PAGE>

                             JANUS HIGH-YIELD FUND
           Portfolio Managers, Ronald V. Speaker, Sandy R. Rufenacht

Performance Review
     During the first half of our fiscal year,  October 31, 1996  through  April
30, 1997,  Janus  High-Yield  Fund  produced a total  return of 5.88%,  versus a
return of 4.95% for the Lehman  Brothers  High-Yield  Bond Index.  Both  returns
include reinvested dividends.
     The Fund outperformed its benchmark index due to careful bond selection and
detailed  research.  As we have said before,  in the high-yield market intensive
equity-style  research not only provides a better  understanding  of a company's
balance sheet,  but can also uncover  earnings  potential and other factors that
make a bond attractive.
     During  the  first  half,  we  continued  to focus on  companies  that were
candidates for rating upgrades,  sometimes to investment grade.  Also, as prices
rose, we positioned the portfolio more defensively.  We were content to let cash
accumulate when we could not find attractive credits, and we added more "cushion
bonds," which have a better chance of being  redeemed  before they mature.  This
strategy proved effective in March and April, when high-yield bonds declined.

Review of the First Half
     As the fiscal year began, the high-yield  market was poised to continue its
good  performance.  Interest  rates and inflation were low, and the stock market
continued  in a strong  uptrend.  In  March,  however,  faster  economic  growth
threatened  to undermine  these  near-perfect  conditions.  Even the  high-yield
market, which has been one of the best performing fixed-income asset classes for
more than a year now, came under pressure  after Federal  Reserve Board Chairman
Alan  Greenspan's  remarks that  high-yield  securities  were overvalued and the
Federal Reserve Board's subsequent decision to raise short-term interest rates.
     High-yield  securities  are something of a hybrid  sector.  Performance  is
often a mix of both  the  stock  and  bond  markets,  since  the  same  economic
conditions  that are conducive to a strong equity market - a favorable  business
climate,  abundant capital,  and low interest rates - are also highly beneficial
to high-yield  issuers. In fact, the performance of high-yield bonds is probably
more closely  linked to the  performance of stocks than to Treasury  yields,  so
when stocks and bonds declined, high-yield debt followed suit.

Portfolio Strategy
     Money has been flooding into the high-yield sector for over a year now, and
certain industries have become overheated, namely,  telecommunications,  gaming,
and media,  where increasing  competition is slowing profit growth. Our approach
was to reduce exposure to these  companies and focus on supermarkets  and other,
less  glamorous,  industries.  However,  buy and sell  decisions  were  based on
individual companies. As always, our basic investment discipline is to add value
to the portfolio via detailed, fundamental research of individual ideas.
     As mentioned  earlier,  we increased  positions  in cushion  bonds.  A good
example  of a  cushion  bond is  Allbritton  Communications,  one of the  larger
positions in the portfolio.  Our Allbritton debt carries an 11.5% coupon and can
be redeemed as early as August. The company recently issued obligations yielding
9.75%,  so Allbritton  will probably  tender for its more  expensive debt early.
This  should  lower  the  bond's  price  volatility  while  still  providing  an
attractive yield.

Fund Data

- ------------------------------------------------------------
                           April 30, 1997   October 31, 1996
Weighted Avg. Maturity        6.2 Yrs.          8.1 Yrs.
Avg. Modified Duration*       4.08 Yrs.         5.05 Yrs.
Avg. 30-Day Yield**             8.59%             9.04%
Avg. Rating                      BB                B+
- ------------------------------------------------------------
* A theoretical measure of price volatility.
**Yields will fluctuate.

     Cobblestone  Golf Group is another exciting  holding.  Our Cobblestone bond
also carries an 11.5% coupon.  Cobblestone  owns  approximately 25 golf courses,
mostly concentrated in the Phoenix,  Dallas, and San Diego areas. By focusing on
individual cities,  Cobblestone is able to develop economies of scale, including
discounts on equipment and  overlapping  personnel in such areas as maintenance.
The continuing shortage of golf courses is also working in Cobblestone's  favor.
Its course  utilization rates are excellent and it is an attractive  acquisition
candidate as larger competitors look to increase market share.

Going Forward
     We remain  optimistic  about the  high-yield  bond sector.  In spite of Mr.
Greenspan's remarks,  the high-yield market has some very favorable  risk-reward
characteristics.  In the 1990s, interest rates have been extremely volatile, but
the higher coupons and shorter maturities on high-yield debt have tended to keep
prices less volatile than in much of the Treasury market.
     So long as the  economy  remains  healthy  and stocks  hold their own,  the
attractive  coupons on high-yield bonds should continue to help mitigate changes
in interest rates.  However,  detailed research - including  firsthand,  on-site
visits with senior management - and careful investment  discipline will continue
to be the performance keys in this very exciting market.
     Thank you for your investment in Janus High-Yield Fund.


             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 6
<PAGE>

                             JANUS HIGH-YIELD FUND
           Portfolio Managers, Ronald V. Speaker, Sandy R. Rufenacht

Performance Overview

GRAPHIC

A graphic comparison of the change in value of a hypothetical $10,000 investment
in Janus  High-Yield Fund and the Lehman Brothers  High-Yield Bond Index.  Janus
High-Yield  Fund is  represented  by a solid  green  line.  The Lehman  Brothers
High-Yield Bond Index is represented by a single dashed black line. The "y" axis
reflects the value of the  investment.  The "x" axis  reflects  the  computation
periods from  inception,  December 29, 1995,  through April 30, 1997.  The upper
right quadrant reflects the ending value of the hypothetical investment in Janus
High-Yield  Fund ($12,670) as compared to the Lehman  Brothers  High-Yield  Bond
Index ($11,370). There is a legend in the upper left quadrant of the graph which
indicates Janus  High-Yield  Fund's  one-year and since inception  (December 29,
1995) average annual total returns as 15.12% and 19.46%, respectively.

*The Fund's inception date
Source - Lipper Analytical  Services,  Inc. 1997.
All returns reflect reinvested dividends.  Past performance is not predictive of
future performance.  Investment return and principal value may fluctuate so that
shares,  when redeemed,  may be worth more or less than their original cost. The
Fund's portfolio may differ  significantly from the securities in the index. The
index is  unmanaged  and  therefore  does  not  reflect  the  cost of  portfolio
management or trading.

                JANUS HIGH-YIELD FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------

Corporate Bonds - 78.3%
- --------------------------------------------------------------------------------
Airlines - 0.8%
    $2,000,000   ValuJet, Inc., 10.25% senior notes, due 4/15/01      $1,862,500
- --------------------------------------------------------------------------------
Automotive - Medium and Heavy Duty Trucks - 0.9%
     2,000,000   Blue Bird Body Co., 10.75%
                   senior subordinated notes, due 11/15/06             2,090,000
- --------------------------------------------------------------------------------
Beverages - Non-Alcoholic - 1.7%
     4,000,000   Dr. Pepper Bottling Holdings, zero coupon
                   senior notes, due 2/15/03                           3,890,000
- --------------------------------------------------------------------------------
Building - Residential and Commercial - 1.4%
     3,000,000   Fortress Group, Inc., 13.75%
                   senior notes, due 5/15/03                           3,090,000
- --------------------------------------------------------------------------------
Building Products - Air and Heating - 1.0%
     2,000,000   American Standard Companies, Inc., 11.375%
                   senior debentures, due 5/15/04                      2,125,000
- --------------------------------------------------------------------------------
Cable Television - 4.1%
     4,000,000   Galaxy Telecom, L.P., 12.375%
                   senior subordinated notes, due 10/1/05              4,090,000
     2,000,000   Intermedia Capital Partners, 11.25%
                   senior notes, due 8/1/06                            2,060,000
     3,000,000   Rifkin Acquisition Partners, L.P., 11.125%
                   senior subordinated notes, due 1/15/06              3,060,000
- --------------------------------------------------------------------------------
                                                                       9,210,000
- --------------------------------------------------------------------------------
Casino Hotels - 0.9%
     2,000,000   California Hotel Financial, 11.00%
                   senior subordinated notes, due 12/1/02              2,060,000
- --------------------------------------------------------------------------------
Cellular Telecommunications - 1.4%
     3,000,000   PriCellular Wireless Corp., 10.75%
                   senior notes, due 11/1/04                           3,090,000
- --------------------------------------------------------------------------------
Chemicals - Diversified - 0.9%
    $2,000,000   Harris Chemical North America, Inc., 10.75%
                   senior subordinated notes, due 10/15/03            $1,970,000
- --------------------------------------------------------------------------------
Chemicals - Fibers - 1.0%
     2,000,000   Polysindo International Finance Co. B.V., 11.375%
                   company guaranteed notes, 6/15/06                   2,125,000
- --------------------------------------------------------------------------------
Chemicals - Specialty - 1.5%
     3,000,000   Laroche Industries, 13.00%
                   senior subordinated notes, due 8/15/04              3,285,000
- --------------------------------------------------------------------------------
Commercial Banks - 2.0%
     2,000,000   First Nationwide Escrow Corp., 10.625%
                   senior subordinated notes, due 10/1/03              2,130,000
     2,000,000   First Nationwide Holdings, Inc., 12.50%
                   senior notes, due 4/15/03                           2,220,000
- --------------------------------------------------------------------------------
                                                                       4,350,000
- --------------------------------------------------------------------------------
Commercial Services - 1.0%
     2,000,000   NeoData Services, Inc., 12.00%
                   senior notes, due 5/1/03                            2,130,000
- --------------------------------------------------------------------------------
Electronic Components - 1.5%
     5,000,000   Electronic Retailing Systems International, Inc.,
                   zero coupon senior discount notes,
                   due 2/1/04+                                         3,387,500
- --------------------------------------------------------------------------------
Engineering - Research and Development - 0.9%
     2,000,000   Intertek Finance PLC, 10.25%
                   senior subordinated notes, due 11/1/06              2,050,000
- --------------------------------------------------------------------------------
Environmental Consulting and Engineering - 0.9%
     2,000,000   ICF Kaiser International, Inc., 13.00%
                   units, due 12/31/03                                 1,900,000
- --------------------------------------------------------------------------------
Finance - Leasing Companies - 1.8%
     4,000,000   Ryder Trucks, Inc., 10.00%
                   senior subordinated notes, due 12/1/06              4,030,000
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 7
<PAGE>

                JANUS HIGH-YIELD FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Food - Retail - 6.6%
    $3,000,000   Jitney-Jungle Stores of America, Inc., 12.00%
                   senior notes, due 3/1/06                          $ 3,255,000
                 Pathmark Stores, Inc.:
     2,000,000     11.625% subordinated notes, due 6/15/02             1,980,000
     2,000,000     12.625% subordinated notes, due 6/15/02             2,015,000
     4,000,000   Smith's Food &
                   Drug Centers, Inc., 11.25%
                   senior subordinated notes, due 5/15/07              4,470,000
     3,000,000   Supermercados Norte, 10.875%
                   bonds, due 2/9/04+                                  3,000,000
- --------------------------------------------------------------------------------
                                                                      14,720,000
- --------------------------------------------------------------------------------
Funeral Services and Related Items - 1.2%
     2,500,000   Prime Succession Acquisition Co., 10.75%
                   senior subordinated notes, due 8/15/04              2,675,000
- --------------------------------------------------------------------------------
Gambling - Non-Hotel Casinos - 3.2%
     3,000,000   Casino America, Inc., 12.50%
                   senior notes, due 8/1/03                            3,015,000
     2,000,000   Lady Luck Gaming Corp., 11.875%
                   first mortgage notes, due 3/1/01                    1,982,500
     2,000,000   Majestic Star Casino L.L.C., 12.75%
                   senior notes, due 5/15/03                           2,155,000
- --------------------------------------------------------------------------------
                                                                       7,152,500
- --------------------------------------------------------------------------------
Home Furnishings - 2.8%
     2,700,000   Cort Furniture Rental, 12.00%
                   senior notes, due 9/1/00                            3,000,375
     3,000,000   Lifestyle Furnishings International, Inc., 10.875%
                   company guaranteed notes, due 8/1/06                3,210,000
- --------------------------------------------------------------------------------
                                                                       6,210,375
- --------------------------------------------------------------------------------
Industrial Audio and Video Products - 1.4%
     3,000,000   Unifrax Investment Corp., 10.50%
                   senior notes, due 11/1/03                           3,060,000
- --------------------------------------------------------------------------------
Machine Tools and Related Products - 1.8%
     4,000,000   International Knife & Saw, Inc., 11.375%
                   senior subordinated notes, due 11/15/06             4,090,000
- --------------------------------------------------------------------------------
Manufacturing - 2.4%
     5,000,000   Plastic Specialties & Technologies, Inc., 11.25%
                   senior secured notes, due 12/1/03                   5,300,000
- --------------------------------------------------------------------------------
Marine Services - 2.4%
     3,000,000   Moran Transportation Co., 11.75%
                   notes, due 7/15/04                                  3,217,500
     2,000,000   Stena Rederi A.B., 10.50%
                   senior notes, due 12/15/05                          2,130,000
- --------------------------------------------------------------------------------
                                                                       5,347,500
- --------------------------------------------------------------------------------
Office Supplies and Forms - 1.0%
     2,000,000   American Pad & Paper, 13.00%
                   senior subordinated notes, due 11/15/05             2,322,500
- --------------------------------------------------------------------------------
Oil Company - Exploration and Production - 2.4%
     2,000,000   Forcenergy, Inc., 9.50%
                   senior subordinated notes, due 11/1/06              2,030,000
     3,000,000   Mesa Operating Co., 10.625%
                   company guaranteed notes, due 7/1/06                3,276,069
- --------------------------------------------------------------------------------
                                                                       5,306,069
- --------------------------------------------------------------------------------
Physical Therapy and Rehabilitation Centers - 0.9%
     2,000,000   HEALTHSOUTH Corp., 9.50%
                   senior subordinated notes, due 4/1/01               2,095,000
- --------------------------------------------------------------------------------
Pollution Control - 0.8%
     2,000,000   Envirosource, Inc., 9.75%
                   senior notes, due 6/15/03                           1,890,000
- --------------------------------------------------------------------------------
Recreational Centers - 3.6%
    $3,000,000   Cobblestone Golf Group, Inc., 11.50%
                   senior notes, due 6/1/03                           $3,127,500
     5,000,000   Six Flags Theme Parks, zero coupon
                   senior subordinated notes, due 6/15/05              4,906,250
- --------------------------------------------------------------------------------
                                                                       8,033,750
- --------------------------------------------------------------------------------
Retail - Discount - 0.8%
     2,000,000   Hills Stores Co., 12.50%
                   senior notes, due 7/1/03                            1,770,000
- --------------------------------------------------------------------------------
Retail - Diversified - 3.3%
     4,000,000   Core-Mark International, Inc., 11.375%
                   senior subordinated notes, due 9/15/03              4,125,000
     3,000,000   Eye Care Centers of America, 12.00%
                   senior notes, due 10/1/03                           3,247,500
- --------------------------------------------------------------------------------
                                                                       7,372,500
- --------------------------------------------------------------------------------
Retail - Drug Store - 0.9%
     2,000,000   Duane Reade Corp., 12.00%
                   senior notes, due 9/15/02                           2,070,000
- --------------------------------------------------------------------------------
Retail - Leisure Products - 1.0%
     2,000,000   Selmer Co., Inc., 11.00%
                   senior subordinated notes, due 5/15/05              2,160,000
- --------------------------------------------------------------------------------
Retail - Music Store - 0.6%
     1,333,000   Guitar Center, Inc., 11.00%
                   senior notes, due 7/1/06                            1,444,639
- --------------------------------------------------------------------------------
Retail - Perfume and Cosmetics - 1.4%
     3,000,000   Renaissance Cosmetics, Inc., 11.75%
                   senior notes, due 2/15/04                           3,030,000
- --------------------------------------------------------------------------------
Satellite Telecommunications - 0.4%
     1,000,000   Echostar Communications Corp., zero coupon
                   senior discount notes, due 6/1/04                     823,750
- --------------------------------------------------------------------------------
Steel - Producers - 2.8%
     3,000,000   Weirton Steel Corp., 11.375%
                   senior notes, due 7/1/04                            3,075,000
     3,000,000   Ivaco, Inc., 11.50%
                   senior notes, due 9/15/05                           3,165,000
- --------------------------------------------------------------------------------
                                                                       6,240,000
- --------------------------------------------------------------------------------
Telecommunication Services - 3.5%
     2,000,000   NEXTLINK Communications, L.L.C., 12.50%
                   senior notes, due 4/15/06                           2,060,000
     1,500,000   Peoples Telephone Co., Inc., 12.25%
                   senior notes, due 7/15/02                           1,571,250
     2,000,000   RSL Communications, Ltd., 12.25%
                   units, due 11/15/06+                                1,980,000
     2,000,000   Teleport Communications Group, Inc., 9.875%
                   senior notes, due 7/1/06                            2,080,000
- --------------------------------------------------------------------------------
                                                                       7,691,250
- --------------------------------------------------------------------------------
Television - 3.3%
     5,000,000   Allbritton Communications, 11.50%
                   senior subordinated debentures, due 8/15/04         5,250,000
     2,000,000   Sinclair Broadcast Group, Inc., 10.00%
                   senior subordinated notes, due 9/30/05              2,025,000
- --------------------------------------------------------------------------------
                                                                       7,275,000
- --------------------------------------------------------------------------------
Textile - Products - 1.4%
     3,000,000   Glenoit Corp., 11.00%
                   senior subordinated notes, due 4/15/07              3,037,500
- --------------------------------------------------------------------------------
Tobacco - 0.9%
     2,000,000   Consolidated Cigar Acquistion Corp., 10.50%
                   senior subordinated notes, due 3/1/03               2,105,000
- --------------------------------------------------------------------------------
Transportation - Services - 0.9%
     2,000,000   Atlantic Express Transporation Co., 10.75%
                   company guaranteed notes, due 2/1/04                2,050,000
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 8
<PAGE>

               JANUS HIGH-YIELD FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Shares or
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Wire and Cable Products - 1.4%
    $3,000,000   International Wire Group, 11.75%
                   senior subordinated notes, due 6/1/05             $ 3,157,500
- --------------------------------------------------------------------------------
Wireless Telecommunications - 1.5%
     3,385,000   GST Acquisition Corp., 10.50%
                   senior subordinated notes, due 5/1/07               3,410,388
- --------------------------------------------------------------------------------
Total Corporate Bonds (cost $172,776,575)                            174,485,221
- --------------------------------------------------------------------------------
U.S. Government Obligation - 2.2%
     5,000,000   U.S. Treasury Notes
                   6.25%, due 2/15/07 (cost $4,820,348)                4,833,100
- --------------------------------------------------------------------------------
Preferred Stock - 0.3%
- --------------------------------------------------------------------------------
Savings/Loan/Thrifts - 0.3%
        25,000   Chevy Chase Savings, 13.00%, Non-Cumulative
                    (cost $788,750)                                      750,000
- --------------------------------------------------------------------------------
Repurchase Agreement - 11.2%
   $25,000,000   Bankers Trust Securities Corp., 5.70%,
                   dated 4/30/97, maturing 5/1/97, to
                   be repurchased at $25,003,958,
                   collateralized by $10,000,000 in
                   General American Transportation Corp.
                   Commercial Paper, 5.71%, 5/20/97;
                   $5,830,000 in Nissan Capital Corp.
                   Commercial Paper, 5.75%, 5/20/97;
                   $10,000,000 in Super Valu, Inc.
                   Commericial Paper, 5.68%, 5/13/97;
                   with respective values of $9,968,389;
                   $5,821,663 and $9,979,525 (cost $25,000,000)       25,000,000
- --------------------------------------------------------------------------------
Short-Term Corporate Notes - 6.9%
    10,000,000   CIT Group Holdings, Inc.
                   5.62%, 5/1/97                                      10,000,000
     5,300,000   General Electric Capital Corp.
                   5.62%, 5/1/97                                       5,300,000
- --------------------------------------------------------------------------------
Total Short-Term Corporate Notes (amortized cost $15,300,000)         15,300,000
- --------------------------------------------------------------------------------
Total Investments (total cost $218,685,673) - 98.9%                  220,368,321
- --------------------------------------------------------------------------------
Cash, Receivables and Other Assets, net of Liabilities - 1.1%          2,400,724
- --------------------------------------------------------------------------------
Net Assets - 100%                                                   $222,769,045
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 9
<PAGE>

                         JANUS FEDERAL TAX-EXEMPT FUND
                     Portfolio Manager, Darrell W. Watters

Performance Review
     Janus Federal  Tax-Exempt Fund outperformed its benchmark index for the six
months ended April 30,  1997,  gaining  2.10%,  compared to 2.01% for the Lehman
Brothers Municipal Bond Index. Both returns include reinvested dividends.
     The  municipal  bond  market  remained  volatile  over the last six months.
Fixed-income markets in general have experienced unusual volatility for the last
five years. One cause is the Federal Reserve Board,  which has adjusted interest
rates to slow or encourage  economic  growth.  But perhaps even more influential
has been the bond market itself,  which has pushed  longer-term rates up or down
in  anticipation of the Federal  Reserve's next move. In the tax-exempt  market,
another  influential  factor  over the last few  years  has been the  relatively
scarce supply of tax-exempt debt.
     Given  this  environment,  my goal has been to  build a  portfolio  that is
consistent and flexible,  and that seeks to provide a competitive yield. To this
end, I have accumulated  positions in high-quality,  long-term bonds. As you can
see in the table on this page, the portfolio carries a high overall rating,  has
a weighted  average maturity of more than 20 years, and a 30-day yield of 5.30%,
which is the taxable equivalent of 7.57% for an investor who pays 31% in federal
taxes. (In 1996, the average federal tax bill was actually 35%.)
     A  bond's  marketability  - or  liquidity  - is also  important.  The  Fund
contains  bonds that have good  demand  characteristics.  These bonds often come
from  states  with  higher  income  taxes,  such  as  Colorado,  New  York,  and
California.  Colorado bonds are currently the largest  portion of the portfolio,
at  approximately  25% as of April 30.  Purchasing bonds that have strong demand
builds  flexibility and stability into the portfolio  because it lowers the risk
that a position might have to be sold at a discount in a difficult market.
     My goal is to keep portfolio  holdings  stable and avoid buying and selling
positions  unnecessarily.  This also has the  benefit  of  lowering  transaction
costs.  Perhaps the greatest challenge to this strategy,  however,  is to lessen
interest rate risk - a tough assignment in a volatile interest rate environment.
When interest rates are rising, the most flexible and least expensive way that I
have found to mitigate  the risk to the Fund's net asset value (NAV) is to hedge
the portfolio  with interest rate futures.  Of course,  no strategy can entirely
escape the risk of an interest  rate  change,  but hedging with futures can be a
very flexible means of lowering it. This strategy has generally proven effective
since I took over the Fund's management more than a year ago.

Portfolio Composition
- --------------------------------------------------------------
Portfolio Asset Mix          April 30, 1997   October 31, 1996
District General Obligation Bonds  30.0%            37.0%
Essential Service Revenue Bonds    70.0%            63.0%
- --------------------------------------------------------------
- --------------------------------------------------------------
Fund Data                    April 30, 1997   October 31, 1996
Weighted Avg. Maturity          20.1 Yrs.         17.0 Yrs.
Avg. Modified Duration*         10.8 Yrs          7.5 Yrs.
Avg. Rating                        AA3               AA3
30-Day Avg. Yield**               5.30%             5.08%
- --------------------------------------------------------------
* A theoretical measure of price volatility.
**Yield will fluctuate.

Going Forward
     My outlook for the bond market remains cautiously optimistic.  Inflation is
nowhere  in sight  and of  course  inflation  is the bond  market's  number  one
concern.  Federal  Reserve Board  Chairman Alan Greenspan has indicated that the
potential for inflation may exist and has taken appropriate action to arrest any
problem that may present itself. Our job at Janus is not to question whether Mr.
Greenspan is right or wrong,  but to manage risk in the  marketplace  around the
Central Bank's actions.  Rather than argue with the Federal Reserve, we focus on
managing  the  interest  rate risk that comes  naturally  with  Federal  Reserve
activity.
     Thank you for your continued investment in Janus Federal Tax-Exempt Fund.

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 10
<PAGE>

                          JANUS FEDERAL TAX-EXEMPT FUND
                      Portfolio Manager, Darrell W. Watters

Performance Overview

GRAPHIC

A graphic comparison of the change in value of a hypothetical $10,000 investment
in Janus Federal  Tax-Exempt Fund and the Lehman Brothers  Municipal Bond Index.
Janus Federal  Tax-Exempt  Fund is represented by a solid green line. The Lehman
Brothers  Municipal Bond Index is represented by a single dashed black line. The
"y" axis  reflects  the  value of the  investment.  The "x"  axis  reflects  the
computation  periods from  inception,  May 3, 1993,  through April 30, 1997. The
upper right quadrant reflects the ending value of the hypothetical investment in
Janus  Federal  Tax-Exempt  Fund  ($12,092)  as compared to the Lehman  Brothers
Municipal Bond Index ($12,542).  There is a legend in the upper left quadrant of
the graph which  indicates  Janus Federal  Tax-Exempt  Fund's one-year and since
inception  (May 3,  1993)  average  annual  total  returns  as 4.08% and  4.86%,
respectively.

*The Fund's inception date
Source - Lipper Analytical Services, Inc. 1997.
All returns reflect reinvested dividends.  Past performance is not predictive of
future performance.  Investment return and principal value may fluctuate so that
shares,  when redeemed,  may be worth more or less than their original cost. The
Fund's portfolio may differ  significantly from the securities in the index. The
index is  unmanaged  and  therefore  does  not  reflect  the  cost of  portfolio
management or trading.

            JANUS FEDERAL TAX-EXEMPT FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Municipal Securities - 96.3%
- --------------------------------------------------------------------------------
California - 14.6%
    $1,000,000   Anaheim Public Financing Authority Lease
                   Revenue, (Public Improvements),
                   (FSA Insured), Series A, 5.00%, 3/1/37              $ 871,250
     2,000,000   Foothill/Eastern Transportation Revenue,
                   (Corridor Agency Toll Road), Senior Lien,
                   Series A, 6.00%, 1/1/34                             1,932,500
     1,000,000   Los Angeles County Public Works Financing
                   Authority Lease Revenue, (MBIA Insured),
                   Series B, 5.25%, 9/1/14                               951,250
     1,000,000   Metropolitan Water District Waterworks
                   Revenue, Series C, 5.00%, 7/1/27                      885,000
     1,000,000   Rio Linda United School District, (FSA Insured),
                   5.25%, 8/1/17                                         936,250
     2,000,000   San Diego Public Facilities Financing Authority
                   Sewer Revenue, (FGIC Insured), Series B,
                   5.25%, 5/15/27                                      1,847,500
- --------------------------------------------------------------------------------
                                                                       7,423,750
- --------------------------------------------------------------------------------
Colorado - 22.0%
     1,080,000   Bachelor Gulch Metropolitan District,
                   6.80%, 12/1/06                                      1,105,650
       500,000   Black Hawk Device Tax Revenue,
                   6.00%, 12/1/11                                        490,625
     1,000,000   Castle Rock Golf Enterprise Revenue,
                   6.50%, 12/1/16                                        975,000
     1,240,000   Central City Excise Tax Revenue,
                   6.20%, 12/1/06                                      1,250,850
     1,000,000   Colorado Housing Financing Authority,
                   (Multifamily Housing Insured Mortgage),
                   (FHA Insured) Series A, 5.57%, 10/1/17                982,500
     1,000,000   Colorado Housing Financing Authority,
                   (Single Family Program), 7.10%, 5/1/15              1,086,250
- --------------------------------------------------------------------------------
Colorado - (continued)
      $750,000   Denver West Metropolitan District,
                   6.50%, 12/1/16                                     $  758,438
     1,000,000   Douglas County School District, (No. 1),
                   (MBIA Insured), 5.125%, 12/15/16                      933,750
     1,000,000   Meridian Metropolitan District,
                   7.50%, 12/1/11**                                    1,088,750
     1,000,000   Mountain Village Metropolitan District,
                   (San Miguel County), 8.10%, 12/1/11                 1,110,000
                 Telluride Excise Tax Revenue:
       100,000     5.75%, 12/1/12                                         98,375
       400,000     5.90%, 12/1/16                                        392,500
                 Upper Cherry Creek Metropolitan District:
       500,000     6.20%, 12/1/05                                        513,125
       400,000     6.75%, 12/1/11                                        414,000
- --------------------------------------------------------------------------------
                                                                      11,199,813
- --------------------------------------------------------------------------------
Delaware - 3.8%
     2,000,000   Delaware River Port Authority Pennsylvania
                   and New Jersey Revenue, (FGIC Insured),
                   5.50%, 1/1/26                                       1,930,000
- --------------------------------------------------------------------------------
Florida - 3.6%
     2,000,000   Dade County, (Seaport), (MBIA Insured),
                   5.125%, 10/1/21                                     1,832,500
- --------------------------------------------------------------------------------
Illinois - 4.1%
     1,000,000   Chicago Park District, (MBIA Insured),
                   5.60%, 1/1/21                                         958,750
     1,000,000   Metropolitan Pier and Exposition Authority
                   Hospitality Facilities Revenue, (McCormick
                   Place Convention Center Project),
                   7.00%, 7/1/26                                       1,105,000
- --------------------------------------------------------------------------------
                                                                       2,063,750
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 11
<PAGE>

            JANUS FEDERAL TAX-EXEMPT FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Massachusetts - 3.7%
    $1,000,000   Massachusetts Bay Transportation Authority,
                   (General Transportation System),
                   (FSA Insured), Series B, 5.25%, 3/1/20             $  923,750
     1,000,000   Massachusetts Water Resevoir Authority,
                   (FGIC Insured), Series A, 5.50%, 11/1/21              953,750
- --------------------------------------------------------------------------------
                                                                       1,877,500
- --------------------------------------------------------------------------------
Missouri - 8.9%
     1,425,000   Carthage Waterworks and Wastewater
                   Treatment System Revenue, Series B,
                   6.50%, 7/1/16                                       1,462,406
     2,000,000   Sikeston Electric Revenue, (MBIA Insured),
                   6.00%, 6/1/14                                       2,117,500
     1,000,000   St. Louis Parking Facilities Revenue,
                   (MBIA Insured), 5.375%, 12/15/16                      961,250
- --------------------------------------------------------------------------------
                                                                       4,541,156
- --------------------------------------------------------------------------------
Montana - 3.6%
       750,000   Montana Health Facilities Authority Facilities
                   Revenue, (St. Peters Community Hospital),
                   5.50%, 6/1/11                                         730,312
     1,000,000   Montana State Board of Investment Workers
                   Compensation Program, (MBIA Insured),
                   6.875%, 6/1/20                                      1,083,750
- --------------------------------------------------------------------------------
                                                                       1,814,062
- --------------------------------------------------------------------------------
Nevada - 1.8%
     1,000,000   Washoe County, (MBIA Insured),
                   5.00%, 6/1/17                                         911,250
- --------------------------------------------------------------------------------
New Jersey - 2.2%
     1,000,000   New Jersey Turnpike Authority, Turnpike
                   Revenue, (FSA Insured), Series C,
                   6.50%, 1/1/16                                       1,101,250
- --------------------------------------------------------------------------------
New Mexico - 4.0%
     2,000,000   University of New Mexico University Revenue,
                   Series A, 6.00%, 6/1/21                             2,057,500
- --------------------------------------------------------------------------------
New York - 11.2%
     1,000,000   Metropolitan Transportation Authority
                   Dedicated Tax Fund, (MBIA Insured),
                   Series A, 5.25%, 4/1/26                               923,750
     2,000,000   Metropolitan Transportation Authority,
                   (Transportation Facilities), Series O,
                   5.50%, 7/1/17                                       1,885,000
     1,000,000   New York State Dorm Authority Revenue,
                   (State University Educational Facilities),
                   Series A, 5.50%, 5/15/19**                            943,750
     1,000,000   New York State Urban Development
                   Corporation Revenue, (University Facilities
                   Grants), 5.875%, 1/1/21                               985,000
     1,000,000   New York, Series G, 6.00%, 10/15/26                     967,500
- --------------------------------------------------------------------------------
                                                                       5,705,000
- --------------------------------------------------------------------------------
North Carolina - 1.9%
     1,000,000   North Carolina Medical Care Community
                   Hospital Revenue, (Wake County Hospital
                   System), (MBIA Insured), 5.25%, 10/1/17               941,250
- --------------------------------------------------------------------------------
Oklahoma - 3.1%
     1,000,000   Grand River Dam Authority Revenue,
                   (AMBAC Insured), 6.25%, 6/1/11**                    1,083,750
       500,000   McGee Creek Authority Water Revenue,
                   (MBIA Insured), 6.00%, 1/1/23                         518,750
- --------------------------------------------------------------------------------
                                                                       1,602,500
- --------------------------------------------------------------------------------
Puerto Rico - 1.9%
     1,000,000   Puerto Rico Commonwealth Highway and
                   Transportation Authority Highway Revenue,
                   Series Y, 5.50%, 7/1/26                               947,500
- --------------------------------------------------------------------------------
Texas - 3.9%
    $1,000,000     Houston Water & Sewer System Revenue,
                   (FGIC Insured), Series C, 5.375%, 12/1/27           $ 940,000
     1,000,000   Orange County Naval and Port District
                   Industrial Development Corp. Revenue,
                   (North Star Steel Texas), 6.375%, 2/1/17            1,042,500
- --------------------------------------------------------------------------------
                                                                       1,982,500
- --------------------------------------------------------------------------------
Wyoming - 2.0%
     1,000,000   Sweetwater County Pollution Control
                   Revenue, (Idaho Power Co.), Series A,
                   6.05%, 7/15/26                                      1,012,500
- --------------------------------------------------------------------------------
Total Municipal Securities (total cost $48,818,131)                   48,943,781
- --------------------------------------------------------------------------------
Financial Options - Long Call - 0.1%
 100 Contracts   June 1997 U.S. Treasury Future
                   Call @ strike price 110
                   expires May 17, 1997,
                   (cost $33,513)                                         46,875
- --------------------------------------------------------------------------------
Total Investments (total cost $48,851,644) - 96.4%                    48,990,656
- --------------------------------------------------------------------------------
Cash, Receivables and Other Assets, net of Liabilities - 3.6%          1,847,211
- --------------------------------------------------------------------------------
Net Assets - 100%                                                    $50,837,867
- --------------------------------------------------------------------------------
AMBAC - American Municipal Bond Assurance Corp.
FGIC - Financial Guaranty Insurance Corp.
FHA - Federal Housing Authority Corp.
FSA - Financial Security Assurance Corp.
MBIA - Municipal Bond Insurance Association Corp.
- --------------------------------------------------------------------------------
Financial Futures - Long
 468 Contracts   U.S. Treasury - 20 year bond,
                   expires June 1997,
                   principal amount $50,856,063,
                   value $51,143,625, cumulative appreciation          $ 287,562
 250 Contracts   U.S. Treasury - 20 year bond,
                   expires December 1997,
                   principal amount $27,242,188,
                   value $27,117,188, cumulative depreciation          (125,000)
Financial Futures - Short
 618 Contracts   U.S. Treasury - 20 year bond,
                   expires June 1997,
                   principal amount $68,495,813,
                   value $67,535,813, cumulative appreciation            960,000
 175 Contracts   U.S. Treasury - 20 year bond,
                   expires September 1997,
                   principal amount $19,231,250,
                   value $19,047,656, cumulative appreciation            183,594
- --------------------------------------------------------------------------------
                                                                      $1,306,156
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 12
<PAGE>

                           JANUS SHORT-TERM BOND FUND
                      Portfolio Manager, Sandy R. Rufenacht

Performance Review
     The Janus  Short-Term  Bond Fund had a total  return of 3.76% for the first
half  of  our  fiscal  year  ended   April  30,   1997.   The  Lehman   Brothers
Government/Corporate  1-3 Year Bond Index  returned  3.39% for the same  period.
Both results include reinvested dividends.
     For the last 12 months, Janus Short-Term Bond Fund ranked number one out of
the 96  Short-Term  Investment  Grade  Debt Funds  tracked by Lipper  Analytical
Services, Inc., a mutual fund rating company.(1)
     The Fund  outperformed  the  Index  because  we were  able to add value via
credit research on investment-grade and high-yield corporate bonds. In addition,
our large cash position enabled us to take advantage of investment opportunities
when interest rates became volatile.  The portfolio's current  configuration has
increased  flexibility  without  compromising  quality, as the average portfolio
ratings in the table below indicate.

Portfolio Composition
- --------------------------------------------------------------
% of Assets                  April 30, 1997   October 31, 1996
Investment-Grade Corp. Bonds      63.3%             69.0%
High-Yield/High-Risk(Junk) Bonds  14.0%              5.0%
U.S. Government Securities        13.0%             12.0%
Cash & Cash Equivalents            9.7%             14.0%
- --------------------------------------------------------------
- --------------------------------------------------------------
Portfolio Data               April 30, 1997   October 31, 1996
Weighted Avg. Maturity          2.4 Yrs.          2.4 Yrs.
Avg. Modified Duration*         2.0 Yrs.          2.0 Yrs.
Avg. Rating                         A                 A
Avg. 30-day Yield**               6.27%             5.51%
- --------------------------------------------------------------
* A theoretical measure of price volatility.
** Yield will fluctuate.

     The Treasury  portion of the portfolio  consists of a single one-year note.
Our investment-grade  corporate bonds continue to include familiar names such as
GMAC, Hewlett-Packard Finance Corporation,  IBM, and Lockheed Martin. High-yield
holdings are  primarily  "cushion  bonds." These are bonds that are likely to be
called in before they mature.  Allbritton  is a good example of what we look for
in a cushion bond.  Allbritton  owns six television  stations on the east coast.
Our analysis  indicates the company's ABC affiliate in Washington D.C.  provides
reasonable collateral by itself for the debt offering we own. These bonds, which
carry an 11.5% coupon, are callable in August of this year. The company recently
issued  bonds  with a coupon of 9.75%,  so we  believe  Allbritton  is likely to
redeem its more expensive debt at the first opportunity.

Portfolio Strategy
     The Fund is  positioned  to respond  quickly to changes in interest  rates.
This  flexibility  has been  accomplished  while still  investing  primarily  in
investment-grade bonds. Our Treasury and cash positions lower credit risk, while
some of our  high-yield  holdings  help mitigate  interest  rate risk.  This mix
allows  us to  provide  a yield  that is  competitive  with a  30-year  Treasury
obligation  without  as much  price  volatility.  It  also  allows  us to  avoid
overpaying for short-term paper, which remains in relatively short supply due to
the low level of interest rates. In this  environment,  companies have tended to
issue more long-term  debt in order to lock in cheaper rates.  Also, as interest
rate  volatility  increased,  investors  have been pulling  themselves in on the
yield curve - shortening  the  maturities of their  holdings - which has created
additional demand for short-term obligations and pushed up prices.

Going Forward
     The U.S.  economy  now  appears to be sending  mixed  signals.  The Federal
Reserve's  recent  interest  rate hike was a step in the right  direction,  even
though more rate  increases  may be  necessary to slow  economic  growth to more
moderate  levels and keep a tight rein on inflation.  However,  the  portfolio's
flexibility  positions it to respond  effectively to changes in interest  rates.
Our mix of securities also should keep yields competitive and provide additional
stability for the Fund's net asset value.
     Thank you for your continued investment in Janus Short-Term Bond Fund.

- --------------------------------------------------------------------------------
(1)  Lipper Analytical Services,  Inc. defines Short-Term  Investment Grade Debt
     Funds as investing "at least 65% of assets in investment  grade debt issues
     (rated in top four grades) with  dollar-weighted  average  maturities  of 5
     years or less." The  Lipper  ranking  is based on total  return,  including
     reinvestment  of dividends  and capital gains for the stated  period.  Past
     performance is not predictive of future results.

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 13
<PAGE>

                           JANUS SHORT-TERM BOND FUND
                      Portfolio Manager, Sandy R. Rufenacht

Performance Overview

GRAPHIC

A graphic comparison of the change in value of a hypothetical $10,000 investment
in   Janus   Short-Term   Bond   Fund   and  the   Lehman   Brothers   1-3  Year
Government/Corporate  Bond Index. Janus Short-Term Bond Fund is represented by a
solid green line. The Lehman Brothers 1-3 Year  Government/Corporate  Bond Index
is represented by a single dashed black line. The "y" axis reflects the value of
the investment.  The "x" axis reflects the  computation  periods from inception,
September 1, 1992, through April 30, 1997. The upper right quadrant reflects the
ending  value of the  hypothetical  investment  in Janus  Short-Term  Bond  Fund
($12,515) as compared to the Lehman Brothers 1-3 Year  Government/Corporate Bond
Index ($12,711). There is a legend in the upper left quadrant of the graph which
indicates Janus  Short-Term Bond Fund's one-year and since inception  (September
1, 1992) average annual total returns as 8.36% and 4.92%, respectively.

*The Fund's inception date
Source - Lipper Analytical Services, Inc. 1997.
All returns reflect reinvested dividends.  Past performance is not predictive of
future performance.  Investment return and principal value may fluctuate so that
shares,  when redeemed,  may be worth more or less than their original cost. The
Fund's portfolio may differ  significantly from the securities in the index. The
index is  unmanaged  and  therefore  does  not  reflect  the  cost of  portfolio
management or trading.

              JANUS SHORT-TERM BOND FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Corporate Bonds - 77.3%
- --------------------------------------------------------------------------------
Aerospace and Defense - 3.8%
    $1,750,000   Lockheed Martin Corp., 6.55% company
                   guaranteed unsecured notes, due 5/15/99            $1,750,000
- --------------------------------------------------------------------------------
Building Products - Air and Heating - 2.3%
     1,000,000   American Standard Companies, Inc., 11.375%
                   senior debentures, due 5/15/04                      1,062,500
- --------------------------------------------------------------------------------
Commercial Banks- 3.7%
     1,750,000   First USA Bank, Inc., 5.75%
                   notes, due 1/15/99                                  1,728,125
- --------------------------------------------------------------------------------
Computers - Mainframe - 3.8%
     1,750,000   IBM Corp., 6.375%
                   global notes, due 6/15/00                           1,734,687
- --------------------------------------------------------------------------------
Computers - Mini - 5.4%
     2,500,000   Hewlett-Packard, Inc., 6.50%
                   senior unsubordinated notes, due 12/30/99           2,490,625
- --------------------------------------------------------------------------------
Containers - Metal and Glass - 3.8%
     1,750,000   Crown Cork & Seal Co., Inc., 5.875%
                   notes, due 4/15/98                                  1,744,750
- --------------------------------------------------------------------------------
Finance - Auto Loans - 7.6%
     1,750,000   Ford Motor Credit Corp., 7.25%
                   notes, due 5/15/99                                  1,774,063
     1,750,000   General Motors Acceptance Corp., 6.65%
                   notes, due 5/24/00                                  1,741,250
- --------------------------------------------------------------------------------
                                                                       3,515,313
- --------------------------------------------------------------------------------
Finance - Leasing Companies - 3.8%
     1,750,000   International Lease Finance Corp., 6.625%
                   notes, due 4/1/99                                   1,756,562
- --------------------------------------------------------------------------------
Food - Diversified - 3.9%
     1,800,000   Grand Metropolitan Investment Corp., 6.50%
                   company guaranteed notes,
                   due 9/15/99                                         1,795,500
- --------------------------------------------------------------------------------
Food - Retail - 3.3%
    $1,500,000   Pathmark Stores, Inc., 12.625%
                  subordinated notes, due 6/15/02                     $1,511,250
- --------------------------------------------------------------------------------
Life and Health Insurance - 0.4%
       185,000   Penncorp Financial Group, Inc., 9.25%
                   senior subordinated notes, due 12/15/03               192,400
- --------------------------------------------------------------------------------
Medical - Hospitals - 4.2%
     1,950,000   Columbia/HCA Healthcare Corp., 6.50%
                   notes, due 3/15/99                                  1,950,000
- --------------------------------------------------------------------------------
Oil Companies - Integrated - 3.8%
     1,750,000   Texaco Capital, Inc., 6.875%
                   notes, due 7/15/99                                  1,760,938
- --------------------------------------------------------------------------------
Paint and Related Products - 4.3%
     2,000,000   Sherwin-Williams Co., 6.25%
                   notes, due 2/1/00                                   1,977,500
- --------------------------------------------------------------------------------
Physical Therapy and Rehabilitation Centers - 3.4%
     1,500,000   HEALTHSOUTH Corp., 9.50%
                   senior subordinated notes, due 4/1/01               1,571,250
- --------------------------------------------------------------------------------
Retail - Discount - 3.8%
     1,750,000   TJX Companies, Inc., 6.625%
                   notes, due 6/15/00                                  1,730,312
- --------------------------------------------------------------------------------
Retail - Diversified - 2.3%
     1,000,000   Eye Care Centers of America, 12.00%
                   senior notes, due 10/1/03                           1,082,500
- --------------------------------------------------------------------------------
Savings/Loan/Thrifts - 3.8%
     1,750,000   Great Western Financial Corp., 6.125%
                   notes, due 6/15/98                                  1,745,485
- --------------------------------------------------------------------------------
Super-Regional Banks - 3.8%
     1,750,000   Norwest Corp., 6.25%
                   senior notes, due 4/15/99                           1,743,438
- --------------------------------------------------------------------------------
Television - 2.3%
     1,000,000   Allbritton Communications, 11.50%
                   senior subordinated debentures,
                   due 8/15/04                                         1,050,000
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 14
<PAGE>

             JANUS SHORT-TERM BOND FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Transportation - Railroad - 3.8%
    $1,750,000   Union Pacific Corp., 6.25%
                   notes, due 3/15/99                               $  1,736,875
- --------------------------------------------------------------------------------
Total Corporate Bonds (cost $35,698,104)                              35,630,010
- --------------------------------------------------------------------------------
U.S. Government Obligations - 13.0%
     6,000,000   U.S. Treasury Notes, 6.125%
                   due 8/31/98 (cost $6,018,424)                       6,000,420
- --------------------------------------------------------------------------------
Short-Term Corporate Notes - 8.0%
     2,000,000   General Electric Capital Corp.,
                   5.62%, 5/1/97                                       2,000,000
     1,700,000   Household Finance Corp.,
                   5.58%, 5/1/97                                       1,700,000
- --------------------------------------------------------------------------------
Total Short-Term Corporate Notes (amortized cost $3,700,000)           3,700,000
- --------------------------------------------------------------------------------
Total Investments (total cost $45,416,528) - 98.3%                    45,330,430
- --------------------------------------------------------------------------------
Cash,  Receivables and Other Assets, net of Liabilities - 1.7%           756,814
- --------------------------------------------------------------------------------
Net Assets  - 100%                                                   $46,087,244
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 15
<PAGE>

                            JANUS MONEY MARKET FUNDS
                      Portfolio Manager, Sharon S. Pichler

Review of the First Half
     During the six months  ended  April 30,  1997,  short-term  interest  rates
remained  relatively  flat until the Federal Reserve Board boosted rates in late
March.  Between  October 31, 1996 and February  25, 1997,  yield on the one-year
Treasury  varied  between  a low of 5.35% and a high of  5.65%.  Then,  when the
Federal Reserve was sufficiently worried about stronger economic growth (and the
outlook for inflation) to justify raising its target for short-term rates, yield
on the one-year climbed to 6.07% on April 25.
     Federal  Reserve  Chairman Alan Greenspan had been trying to talk financial
markets into slowing down - a practice  known as  "jawboning" - since last fall.
He  repeatedly  warned  investors  that, in his opinion,  financial  assets were
overvalued.  He also  provided  ample  warning a rate hike was  coming  the week
before  he took  action.  Longer-term  interest  rates had  already  moved up in
anticipation  of an increase.  As a result,  our funds were  well-prepared.  The
Federal  Reserve's  warning,  plus our commitment to flexibility,  allowed us to
respond quickly to the new environment.
     In my view,  financial  markets  had become a bit frothy,  and  Greenspan's
action was timely.  However,  consumer  spending,  which is the  economy's  most
powerful growth engine,  is likely to push gross domestic  product higher still,
due to the historically  unparalleled  availability of consumer  credit.  In the
current,  free-wheeling  environment,  consumers  are less  price-sensitive  and
consider  only  whether  they  can  afford  a  monthly  payment.  We see this in
credit-card  debt,  consumer loans,  and even in college tuition.  Therefore,  I
expect more Fed raises ahead.  And the increases may be larger and carry farther
than most market participants expect.

Janus Money Market Fund
     For  much  of the six  months,  assets  remained  primarily  in very  short
obligations,  with only a modest  weighting in longer-term debt (6 months to one
year).  The  Fund's  weighted  average  maturity  was  shortened  slightly,   in
anticipation  of the interest  rate hike that  occurred on March 25. As of April
30, the Fund's weighted average maturity remained at just 43 days.
     Janus Money  Market Fund is rated Aa by Moody's  Investors  Services,  Inc.
("Moody's"). Our conservative stance when it comes to credit profiles enabled us
to dodge at least one  bullet  during  the  period.  Our  strict  discipline  of
detailed  credit analysis and careful  evaluation of each company's  risk-reward
characteristics stood us in good stead once again.
     For the 12 months ended April 30,  1997,  Janus Money Market Fund ranked 49
out of 293 funds (top 17%) in the U.S. Money Market  category  defined by Lipper
Analytical Services, Inc. ("Lipper"), a mutual fund rating company.(1)

Janus Government Money Market Fund
     As I have mentioned before,  government money market instruments operate in
highly efficient markets. It is difficult to get an edge. During the period, our
investment  strategy was  unchanged.  We  continued  to maintain  high levels of
liquidity and safety by stressing  low-risk  (from  interest  rate  volatility),
short-term  paper. And we continued to fight for every basis point (.01%, or one
hundredth of one percent) by being opportunistic in longer-term securities.
     All  government  debt in the Fund is rated AAA, the highest  credit quality
available.  Janus  Government  Money  Market  Fund also has a rating of Aaa from
Moody's.  Moody's analyzes the Fund's credit quality, market price exposure, and
management.  The portfolio had a weighted  average  maturity of 31 days on April
30, 1997.
     For the 12 months ended April 30, Janus Government Money Market Fund ranked
22 of 115 funds (top 19%) in the U.S.  Government  Money Market category defined
by Lipper.(1)

Janus Tax-Exempt Money Market Fund
     We have just come  through a period when a plethora of  investment  dollars
drove  tax-exempt  rates down as shareholders  built assets in their  tax-exempt
money market funds. At the same time, there was no change in supply,  and so the
abundance  of demand  allowed  issuers to offer lower  tax-exempt  yields.  This
resulted in a decline in tax-exempt interest rates despite the Federal Reserve's
rate increase. April 15 through April 30, however, the opposite effect was being
felt as tax-exempt  shareholders pulled dollars from their money market funds to
pay tax bills.
     Long-term  and  short-term  rates  were  almost  identical  for much of the
period,  so we  continued  to opt  for the  greater  flexibility  of  short-term
securities.  The Fund's  weighted  average  maturity was 26 days as of April 30,
1997.
     For the 12 months ended April 30, Janus Tax-Exempt Money Market Fund ranked
15 of 136 funds (top 11%) in the U.S.  Tax-Exempt  Money Market category defined
by Lipper Analytical Services, a mutual fund rating company.(1)
     Thank you for your investment in Janus money market funds.

- --------------------------------------------------------------------------------
(1)  Lipper  Analytical  Services,  Inc. defines a U.S. Money Market Fund as one
     that invests "in high-quality  financial  instruments  rated in the top two
     grades with  dollar-weighted  average  maturities of less than 90 days" and
     that intends "to keep  constant  net asset  value."  Lipper  defines a U.S.
     Government Money Market Fund as one that "invests  principally in financial
     instruments  issued or guaranteed by the U.S.  Government,  its agencies or
     instrumentalities,  with dollar-weighted average maturities of less than 90
     days," and that intends "to keep constant net asset value."  Lipper defines
     a  Tax-Exempt  Money  Market  Fund as one  that  "invests  in high  quality
     municipal obligations with dollar-weighted  average maturities of less than
     90  days,"  and that  intends  "to keep  constant  net asset  value."  Past
     performance is no guarantee of future results. Lipper rankings are based on
     total return, including reinvestment of dividends and capital gains.

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 16
<PAGE>

               JANUS MONEY MARKET FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Short-Term Corporate Notes - 17.0%
   $7,700,000    Alabama State Industrial
                   Development Authority 5.5101%, 5/16/97+            $7,700,000
   50,000,000    American Honda Finance Corp.
                   5.6806%, 6/23/97                                   50,000,000
    7,500,000    Associates Corp. of North America 8.125%,
                   senior notes, 1/15/98                               7,616,984
   11,000,000    Casio Phonemaker, Inc.
                   5.65%, 5/7/97                                      10,989,642
   14,144,000    Cogentrix of Richmond, Inc.
                   5.65%, 5/16/97                                     14,110,703
   13,500,000    Epson America, Inc.
                   5.80%, 5/14/97                                     13,471,725
                 General Motors Acceptance Corp.:
   50,000,000      5.82%, 10/22/97                                    48,593,500
   11,000,000      5.8125%, 2/2/98                                    11,019,557
                 Hanover Direct, Inc.:
    7,600,000      Series A, 5.5101%, 5/16/97+                         7,600,000
    6,500,000      Series B, 5.5101%, 5/16/97+                         6,500,000
                 Heller International Corp.:
   35,000,000      5.75%, 5/5/97                                      34,977,639
   15,000,000      5.66%, 5/12/97                                     14,974,058
   10,000,000      5.67%, 5/20/97                                      9,970,075
   15,000,000      5.67%, 5/23/97                                     14,948,025
                 IBM Credit Corp.
   25,000,000      5.80%, 10/7/97                                     24,999,671
   18,500,000    Los Angeles County California Metropolitan
                   Transit Authority, Series A,
                   5.91%, 6/24/97+                                    18,500,000
   15,000,000    Nichimen America, Inc.
                   5.55%, 6/11/97                                     14,905,187
   50,000,000    Sanwa Business Credit 5.51%, 5/19/97                 50,000,247
                 Sumitomo Bank of New York:
   15,000,000      5.66%, 5/15/97                                     14,966,983
   50,000,000      5.70%, 5/19/97                                     49,857,500
   35,000,000      5.65%, 5/20/97                                     34,895,632
   10,000,000      5.68%, 5/20/97                                      9,970,022
   20,000,000      5.67%, 5/21/97                                     19,937,000
   12,000,000      5.66%, 5/22/97                                     11,960,380
                 Tsumura International, Inc.
   20,000,000      5.65%, 5/21/97                                     19,937,222
                 75th State Street
   39,915,000      5.65%, 5/16/97                                     39,821,033
- --------------------------------------------------------------------------------
Total Short-Term Corporate Notes (amortized cost $562,222,785)       562,222,785
- --------------------------------------------------------------------------------
Taxable Variable Rate Demand Notes - 33.9%
                 American Honda Finance Corp.:
   30,000,000      5.5625%, 8/1/97                                    29,998,252
   25,000,000      5.8225%, 4/6/98                                    24,995,507
   11,000,000    APTC Plastics, Inc., 5.70%, 4/1/17                   11,000,000
   40,000,000    Bank of America, N.A.,
                   5.65%, 4/16/98                                     39,973,151
                 Bankers Trust Co.:
   50,000,000      5.65%, 10/16/97                                    49,988,875
   60,000,000      5.70%, 11/7/97                                     59,998,742
   25,000,000      5.70%, 4/3/98                                      24,995,233
   10,385,000    Bannockburn Associates L.L.C.,
                   5.90%, 4/1/27                                      10,385,000
    4,100,000    Bayliss Group Partnership,
                   5.70%, 1/1/10                                       4,100,000
   50,000,000    Boatmens Credit Card Bank of New Mexico,
                   5.6675%, 8/8/97                                    49,997,287
   48,000,000    Comerica Bank of Detroit
                   5.67%, senior notes, 4/6/98                        47,977,883
   15,560,000    Community Health System, Inc., Series A,
                   5.75%, 10/1/03                                     15,560,000
   35,510,000    Crouse Health Hospital, Inc.,
                   5.75%, 7/1/17                                      35,510,000
   25,000,000    Crozer - Keystone Health Systems,
                   5.75%, 12/15/21                                    25,000,000
- --------------------------------------------------------------------------------
Taxable Variable Rate Demand Notes - (continued)
  $13,000,000    Downtown Marietta Georgia, Development
                   Authority Marietta Conference Center
                   Revenue, Series A, 5.68%, 7/1/21                 $ 13,000,000
   50,000,000    FCC National Bank of Wilmington, Delaware,
                   5.62%, 2/20/98                                     49,968,940
   14,500,000    Fontana, California Property Acquisition
                   Program, 5.90%, 10/1/20                            14,500,000
                 General American Life Insurance Co.:
   80,000,000      5.76%, 8/13/97                                     80,000,000
   50,000,000      5.81%, 2/20/98                                     50,000,000
   15,000,000    General Electric Capital Corp.
                   5.83%, 7/7/97                                      15,003,133
   10,745,000    General Motors Acceptance Corp.,
                   5.8515%, 4/17/98                                   10,745,000
   12,700,000    Genesys Michigan Health System, Inc.,
                   Series A, 5.70%, 4/1/20                            12,700,000
    9,300,000    H/M Partners, L.L.C.,
                   5.80%, 10/1/20                                      9,300,000
   10,000,000    Illinois Student Assistance Commission,
                   Student Loan Revenue, Series B,
                   5.69%, 9/1/31                                      10,000,000
   12,900,000    Jackson County, Alabama Industrial
                   Development, (Beaulieu America Project),
                   5.84%, 7/1/10                                      12,900,000
   22,800,000    KBL Capital Fund, Loan Program Notes,
                   5.75% 5/1/27                                       22,800,000
    4,000,000    Liliha Partners, L.P. of California,
                   6.00%, 8/1/24                                       4,000,000
                 MBNA America Bank:
   50,000,000      5.6875%, 7/3/97                                    50,000,000
   40,000,000      5.6875%, 9/12/97                                   40,000,000
                 Merrill Lynch Medium Term Notes,
   50,000,000      5.72%, 4/17/98                                     50,000,000
   25,000,000    New Jersey Economic
                   Development Authority Revenue,
                   Series A, 5.688%, 10/1/21+                         25,000,000
   40,000,000    PNC Bank, N.A. of Pittsburgh, Pennsylvania,
                   5.5875%, 7/1/97                                    39,993,409
   13,800,000    Pasadena California COPS, (Los Robles Avenue
                   Parking Facility Project), 5.75%, 11/1/12          13,800,000
   25,000,000    Rehau, Inc.,
                   5.84%, 10/1/19                                     25,000,000
   15,530,000    Rockland Financial Ltd.,
                   5.85%, 12/1/26                                     15,530,000
                 SMM Trust:
   42,000,000      Series 1996-L, 5.7375%, 6/17/97+                   42,000,000
   25,000,000      Series 1996-U, 5.7375%, 6/20/97+                   25,000,000
    3,090,000    St. Francis, Hawaii Healthcare Foundation
                   Revenue, 6.00%, 8/1/12                              3,090,000
    7,400,000    San Bernardino County, California,
                   (Capital Improvement Refining Project),
                   5.90%, 11/1/25                                      7,400,000
    9,365,000    San Jose, California Financing Authority,
                   (Hayes Mansion Revenue Project),
                   Series A, 5.75%, 12/1/25                            9,365,000
   25,000,000    Southtrust Bank of North Carolina,
                   Medium Term Senior Notes,
                   5.6875%, 10/16/97                                  25,000,000
    7,955,000    Tyler, Texas Health Facilities
                   Development Corp.,
                   (East Texas Medical Center), 6.00%, 11/1/25         7,955,000
    5,245,000    Union City, Tennessee Industrial Development
                   Board, (Cobank Limited, L.L.C., Project),
                   5.85%, 1/1/25                                       5,245,000
    5,000,000    Venturecor, Inc., Healthcare Revenue,
                   5.90%, 5/15/35                                      5,000,000
- --------------------------------------------------------------------------------
Total Taxable Variable Rate Demand Notes
  (amortized cost $1,123,775,412)                                  1,123,775,412
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 17
<PAGE>

               JANUS MONEY MARKET FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Certificates of Deposit - 20.2%
 $ 50,000,000    Bank of Tokyo 5.60%, 6/10/97                       $ 50,000,000
   15,000,000    Bankers Trust Co. 5.65%, 9/26/97                     14,996,599
   48,500,000    Banque Nationale de Paris 5.76%, 2/27/98             48,484,629
   25,000,000    Caisse Nationale de Credit Agricole
                   of Chicago, Illinois 5.89%, 2/4/98                 25,000,000
   25,000,000    Canadian Imperial Bank, 5.97%, 3/19/98               24,993,604
                 Fuji Bank, Ltd., New York:
   50,000,000      5.84%, 5/2/97                                      50,000,146
   50,000,000      5.66%, 5/14/97                                     50,000,000
   45,000,000      5.69%, 5/22/97                                     45,000,522
                 Industrial Bank of Japan:
   50,000,000      5.68%, 5/19/97                                     50,000,000
   50,000,000      5.50%, 6/27/97                                     50,000,000
   25,000,000    Midland Bank PLC 5.90%, 11/7/97                      25,000,000
   50,000,000    Norinchunkin Bank Ltd. 5.58%, 6/3/97                 50,000,000
   50,000,000    Sanwa Bank 5.54%, 6/30/97                            50,000,818
                 Societe Generale:
   10,000,000      5.85%, 10/1/97                                     10,006,300
   50,000,000      5.82%, 1/7/98                                      50,000,000
   25,000,000      5.79%, 1/13/98                                     24,985,234
   50,000,000      5.85%, 3/3/98                                      49,983,958
- --------------------------------------------------------------------------------
Total Certificates of Deposit (cost $668,451,810)                    668,451,810
- --------------------------------------------------------------------------------
Promissory Notes - 7.6%
  150,000,000    Goldman Sachs Group, L.P. 5.8359%, 7/21/97          150,000,000
  100,000,000    Morgan Stanley Group, Inc. 5.85%, 12/26/97          100,000,000
- --------------------------------------------------------------------------------
Total Promissory Notes (cost $250,000,000)                           250,000,000
- --------------------------------------------------------------------------------
Put Bonds - 2.0%
   18,900,000    Bedford County Virginia, Industrial
                   Development Authority, Series 1995D,
                   5.74%, 5/14/97                                     18,900,000
                 Northglenn Colorado Urban Renewal
                   Authority, (Northglenn Mall Project):
    8,700,000        Series A-2, 5.95%, 12/1/13                        8,700,000
    5,700,000        Series B, 5.95%, 12/1/16                          5,700,000
                 Richmond County, Georgia,
                   (Monsanto Co. Project),
   15,200,000        6.01%, 6/1/20                                    15,200,000
   17,800,000    St. Joseph Health Systems of California,
                   Series A, 6.09%, 7/1/11+                           17,800,000
- --------------------------------------------------------------------------------
Total Put Bonds (cost $66,300,000)                                    66,300,000
- --------------------------------------------------------------------------------
Bank Notes - 1.8%
   20,000,000    FCC National Bank of Wilmington, Delaware
                   5.73%, 8/21/97                                     19,982,227
   38,000,000    MBNA American Bank,
                   N.A. of Newark, Delaware,
                   5.6875%, 6/13/97                                   38,000,000
- --------------------------------------------------------------------------------
Total Bank Notes (amortized cost $57,982,227)                         57,982,227
- --------------------------------------------------------------------------------
Medium-Term Notes - 0.2%
    7,155,000    Household Finance Corp., 7.91%,
                   medium term notes, 2/6/98
                   (cost $7,264,481)                                   7,264,481
- --------------------------------------------------------------------------------
Time Deposit - 5.1%
  170,000,000    Banque Paribas
                   5.6875%, 5/1/97 (cost $170,000,000)               170,000,000
- --------------------------------------------------------------------------------
Repurchase Agreements - 12.1%
 $101,700,000    NationsBank,
                   5.6875%, dated 4/30/97, maturing 5/1/97, 
                   to be repurchased at $101,716,067,
                   collateralized by $1,750,000 in Treasury
                   Bills, 7/3/97; $12,182,294 in Tryon
                   Mortgage Funding, Inc. 7.50%, 3/20/23
                   and 12/20/25; $100,000 in Student Loan
                   Marketing Association Notes 9.15%,
                   12/1/06; $68,360,000 in Residential Funding
                   Mortgage 6.50% - 7.75%, 12/25/08 -
                   2/25/27; $6,273,188 in Prudential Home
                   Mortgage 5/25/09; $5,615,872 in Mid-State
                   7.625%, 4/1/22; $4,000,000 in GE Capital
                   Mortgage Services, Inc. 6.50%, 3/25/24;
                   $4,015,000 in Fannie Mae Notes 5.19% -
                   8.70%, 6/27/97 - 3/13/06; $1,320,000
                   in Federal Home Loan Mortgage Corp.
                   4.95% - 7.405%, 9/3/97 - 5/6/06;
                   $3,635,000 in Federal Home Loan
                   Banks 5.265% - 8.70%, 5/28/97 - 4/23/12;
                   $719,000 in Federal Farm Credit Bank
                   Notes 5.34% - 9.20%, 6/3/97 - 1/3/06;
                   $4,984,000 in CMC Securities Corp. 6.00%,
                   2/25/09 with respective values of
                   $1,734,429, $12,148,263, $65,244,473,
                   $3,839,537, $2,603,062, $3,676,144,
                   $4,041,486, $1,291,658, $3,697,204,
                   $740,060, $4,599,300                             $101,700,000
   300,000,000   Lehman Brothers, Inc.,
                   5.68%, dated 4/30/97, maturing 5/1/97,
                   to be repurchased at $300,047,333,
                   collateralized by $20,000,000 in American
                   Brands, Inc., 5/8/97; $17,377,000 in Avery
                   Dennison Corp., 5/5/97; $24,200,000 in
                   Bemis Company, Inc., 5/5/97 and 5/28/97;
                   $30,400,000 in Certain Funding Corp., 8/1/97;
                   $18,600,000 in CSW Credit, Inc., 6/6/97;
                   $5,100,000 in Dillard Investment Co.,
                   5/5/97; $26,800,000 in The Dun and
                   Bradstreet Corp., 6/10/97; $30,000,000 in
                   Henkel Corp., 10/20/97; $11,640,000 in
                   McKenna Triangle National Corp., 5/5/97;
                   $20,021,000 in Monte Rosa Capital Corp.,
                   5/23/97; $18,449,000 in Peacock Funding
                   Corp., 5/28/97; $19,239,000 in Repsol
                   International, 5/23/97; $30,000,000 in
                   RTZ America, Inc., 8/4/97; $16,000,000 in
                   Sigma Finance, Inc., 7/25/97; $10,000,000
                   in Tulip Funding Corp., 6/4/97; $11,849,000
                   in Windmill Funding Corp., 5/20/97 with
                   respective values of $19,981,567,
                   $17,369,050, $24,146,122, $29,961,987,
                   $18,498,372, $5,097,663, $26,637,413,
                   $29,180,625, $11,634,714, $19,955,598,
                   $18,374,517, $19,177,387, $29,555,850,
                   $15,786,453, $9,948,208, $11,816,119              300,000,000
- --------------------------------------------------------------------------------
Total Repurchase Agreements (cost $401,700,000)                      401,700,000
- --------------------------------------------------------------------------------
Total Investments (total cost $3,307,696,715) - 99.9%              3,307,696,715
- --------------------------------------------------------------------------------
Cash, Receivables and Other Assets, net of Liabilities - 0.1%          4,219,665
- --------------------------------------------------------------------------------
Net Assets - 100%                                                 $3,311,916,380
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 18
<PAGE>

          JANUS GOVERNMENT MONEY MARKET FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
U.S. Government Agency Discount Notes - 23.4%
                 Fannie Mae
  $ 5,000,000      5.53%, 8/4/97                                     $ 4,927,035
                 Federal Farm Credit Bank:
    2,000,000      5.60%, 6/13/97                                      1,999,886
    5,000,000      5.55%, 2/20/98                                      4,997,271
                 Federal Home Loan Bank System:
    2,265,000      5.30%, 6/24/97                                      2,246,993
    1,350,000      5.27%, 7/24/97                                      1,333,400
      575,000      5.27%, 9/24/97                                        562,711
      565,000      5.27%, 10/6/97                                        551,932
      720,000      5.27%, 10/10/97                                       702,925
    5,585,000      5.265%, 11/24/97                                    5,415,921
    3,000,000      5.38%, 12/15/97                                     2,897,780
    5,000,000      5.50%, 2/13/98                                      4,780,000
   10,000,000      5.409%, 3/4/98                                      9,998,910
                 Federal Home Loan Mortgage Corp.
    5,000,000      5.285%, 5/30/97                                     4,978,713
- --------------------------------------------------------------------------------
Total U.S. Government Agency Discount Notes
  (amortized cost $45,393,477)                                        45,393,477
- --------------------------------------------------------------------------------
U.S. Government Agency Variable Notes - 24.5%
                 Fannie Mae:
    5,000,000      5.3825%, 9/9/97                                     4,998,600
    5,000,000      5.5275%, 2/13/98                                    4,997,712
                 Federal Farm Credit Bank:
    5,000,000      5.57%, 8/20/97                                      4,999,265
    3,000,000      5.50%, 11/14/97                                     2,997,964
                 Federal Home Loan Bank System:
    5,000,000      5.71%, 7/10/97                                      5,000,705
    3,000,000      5.68%, 9/2/97                                       2,996,927
    5,000,000      5.508%, 9/24/97                                     4,998,420
    5,000,000      5.523%, 12/26/97                                    4,997,446
      750,000      6.00%, 6/29/98                                        752,981
                 Student Loan Marketing Association:
    5,750,000      5.71%, 10/30/97                                     5,751,752
    5,000,000      5.53%, 11/24/97                                     4,997,983
- --------------------------------------------------------------------------------
Total U.S. Government Agency Variable Notes
 (amortized cost $47,489,755)                                         47,489,755
- --------------------------------------------------------------------------------
Short-Term Corporate Notes - 4.1%
                 Kirksville College of Osteopathic Medicine:
    3,533,000      5.30%, 6/12/97                                      3,511,154
    4,564,000      5.55%, 6/25/97                                      4,525,301
- --------------------------------------------------------------------------------
Total Short-Term Corporate Notes (amortized cost $8,036,455)           8,036,455
- --------------------------------------------------------------------------------
Repurchase Agreements - 48.0%
  $49,000,000    CS First Boston Repurchase Agreement 5.58%,
                   dated 4/30/97, maturing 5/1/97, to be
                   repurchased at $49,007,595, collateralized
                   by $58,642,000 in Federal Home Loan
                   Mortgage Corp. Floating Rate Bonds 6.08%
                   and 6.80%, 5/15/23 and 12/15/18; Fannie
                   Mae Support Bond 6.00% 6/25/09 with
                   respective values of $26,891,001,
                   $5,519,136 and $18,847,209                        $49,000,000
   44,300,000    HSBC Repurchase Agreement 5.55%,
                   dated 4/30/97, maturing 5/1/97, to be
                   repurchased at $44,306,830, collateralized
                   by $25,075,000 in Federal Home Loan Bank
                   Bonds 5.01% - 6.91%, 1/16/98 - 2/6/03
                   with a value of $25,390,820; $80,000 in
                   FICO Strips Zero Coupon 10/6/98 with
                   value of $73,186; $11,315,000 in Fannie
                   Mae Bonds .375% - 7.75%, 9/11/97 -
                   3/27/07 with a value of $11,355,954;
                   $8,300,000 in Federal Home Loan Mortgage
                   Corp. Bonds 6.06% - 7.256%, 1/14/00 -
                   4/1/02 with a value of $8,369,745                  44,300,000
- --------------------------------------------------------------------------------
Total Repurchase Agreements (cost $93,300,000)                        93,300,000
- --------------------------------------------------------------------------------
Total Investments (total cost $194,219,687) - 100%                   194,219,687
- --------------------------------------------------------------------------------
Liabilities, net of Cash, Receivables and Other Assets - (0%)           (45,258)
- --------------------------------------------------------------------------------
Net Assets - 100%                                                   $194,174,429
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 19
<PAGE>

          JANUS TAX-EXEMPT MONEY MARKET FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
Variable Rate Demand Notes - 78.1%
- --------------------------------------------------------------------------------
Alabama - 1.0%
   $  800,000    Athens Industrial Development Board Revenue,
                   (Coilplus Income Project), 4.70%, 9/1/99           $  800,000
- --------------------------------------------------------------------------------
California - 5.2%
    2,400,000    California Statewide Communities, (Whispering
                   Winds Apartments), Series D, 4.65%, 12/1/22         2,400,000
    1,600,000    Carlsbad Housing and Redevelopment
                   Community, (Seascape Village Project),
                   4.75%, 12/1/05                                      1,600,000
- --------------------------------------------------------------------------------
                                                                       4,000,000
- --------------------------------------------------------------------------------
Colorado - 11.5%
    3,890,000    Denver City and County Multi-Family Housing
                   Revenue, (Ogden Residences Project),
                   4.55%, 12/1/09                                      3,890,000
      430,000    Colorado Health Facility Authority Revenue,
                   (Valley View Hospital Association Project),
                   5.20%, 10/1/12                                        430,000
    3,300,000    Denver City and County Airport Revenue,
                   Series B, 4.75%, 12/1/25                            3,300,000
    1,250,000    Englewood Industrial Development Revenue,
                   (Swedish Mobility Limited Project),
                   4.65%, 12/1/10                                      1,250,000
- --------------------------------------------------------------------------------
                                                                       8,870,000
- --------------------------------------------------------------------------------
Delaware - 0.4%
      300,000    Wilmington Hospital Revenue,
                   (Dates - Franciscan Health System),
                   Series A, 4.50%, 7/1/11                               300,000
- --------------------------------------------------------------------------------
Florida - 4.1%
    3,200,000    Dade County, Apartment Revenue, Series A,
                   4.80%, 10/1/09                                      3,200,000
- --------------------------------------------------------------------------------
Georgia - 2.6%
    2,000,000    Columbus Development Authority Industrial
                   Revenue, (Worthington Cylinder Project),
                   4.75%, 1/1/11                                       2,000,000
- --------------------------------------------------------------------------------
Hawaii - 4.6%
                 Hawaii State Housing Finance and Development
                   Corp. Revenue, (Rental Housing System):
      600,000      Series A, 4.65% 7/1/25                                600,000
    3,000,000      Series B, 4.65% 7/1/25                              3,000,000
- --------------------------------------------------------------------------------
                                                                       3,600,000
- --------------------------------------------------------------------------------
Illinois - 3.1%
      649,070    Village of Franklin Park, (AM Castle and
                   Company Project), 4.80%, 6/1/17                       649,070
      187,500    Village of Rosemont, (AM Castle and Company
                   Project), 4.80%, 6/1/17                               187,500
    1,600,000    Wood Dale Industrial Development Revenue,
                   (Nippon Express, Inc. Project), 4.70%, 6/1/00       1,600,000
- --------------------------------------------------------------------------------
                                                                       2,436,570
- --------------------------------------------------------------------------------
Kansas - 4.1%
      900,000    Wichita, Kansas XXV Revenue, (CSJ Health
                   Systems Project), 4.70%, 10/1/02                      900,000
    2,245,000    Shawnee Industrial Development Revenue,
                   (Shawnee Village Association Project),
                   4.75%, 12/1/09                                      2,245,000
- --------------------------------------------------------------------------------
                                                                       3,145,000
- --------------------------------------------------------------------------------
Kentucky - 1.3%
    1,000,000    Mayfield Multi-City Lease Revenue, (League of
                    Cities Funding Transportation Project),
                    4.65%, 7/1/26                                      1,000,000
- --------------------------------------------------------------------------------
Louisiana - 3.6%
 $  1,400,000    Louisiana Public Facilities Authorization
                   Revenue Industrial Development,
                   (Gulf Breeze Project), 4.70%, 12/1/14            $  1,400,000
    1,385,000    Sulphur Industrial Development Revenue,
                   (La Quinta Inns Project), 4.75%, 12/1/04            1,385,000
- --------------------------------------------------------------------------------
                                                                       2,785,000
- --------------------------------------------------------------------------------
Maryland - 2.6%
      300,000    Frederick General Obligation, 4.15%, 8/1/11             300,000
      1,715,000    Baltimore Industrial Development Board
                   Revenue, (Garamond/Pridemark Press
                   Project), 4.60%, 12/1/16                            1,715,000
- --------------------------------------------------------------------------------
                                                                       2,015,000
- --------------------------------------------------------------------------------
Minnesota - 4.9%
    2,600,000    Golden Valley Industrial Development Revenue,
                   (Unicare Homes, Inc., Project), 4.80%, 9/1/14       2,600,000
    1,200,000    Robbinsdale Industrial Development Revenue,
                   (Unicare Homes, Inc., Project),
                   4.80%, 10/1/14                                      1,200,000
- --------------------------------------------------------------------------------
                                                                       3,800,000
- --------------------------------------------------------------------------------
Missouri - 2.0%
      973,000    Kansas City Industrial Development Authority,
                   (AM Castle and Company Project),
                   4.80%, 6/1/10                                         973,000
      600,000    West Plains Industrial Revenue Authority,
                   (West Plains Manor Project), 3.80%, 11/1/10           600,000
- --------------------------------------------------------------------------------
                                                                       1,573,000
- --------------------------------------------------------------------------------
New York - 1.2%
      900,000    Ontario County Industrial Development
                   Authority, (Eastman Kodak V Association
                   Project), 4.55%, 8/1/15                               900,000
- --------------------------------------------------------------------------------
Ohio - 5.7%
    3,800,000    Cuyahogo County Hospital District Revenue,
                   (Cleveland University Hospital Improvement
                   Project), 4.55%, 1/1/16                             3,800,000
      590,000    Ohio Industrial Development Revenue,
                   (AM Castle and Company Project),
                   4.80%, 12/1/06                                        590,000
- --------------------------------------------------------------------------------
                                                                       4,390,000
- --------------------------------------------------------------------------------
Oklahoma - 5.3%
    1,200,000    Claremore Redevelopment Authority Industrial
                   Development Revenue, (Worthington Cylinder
                   Corp. Project), 4.75%, 1/1/11                       1,200,000
    2,900,000    Tulsa Home Finance Authority, (Greenbriar
                   Project), Series B, 4.90%, 3/15/05                  2,900,000
- --------------------------------------------------------------------------------
                                                                       4,100,000
- --------------------------------------------------------------------------------
Pennsylvania - 7.4%
    1,000,000    Clarion County Industrial Development Authority,
                   (Meritcare Specialized Development Revenue
                   Project), Series A , 4.75%, 12/1/12                 1,000,000
    2,000,000    Northeastern Hospital and Education Authority
                   Revenue, (Allhealth Pooled Financing
                   Program), 4.60%, 7/1/26                             2,000,000
    1,450,000    Philadelphia Authority for Industrial
                   Development Multifamily Revenue, (Harbor
                   View Towers), 4.75%, 11/1/27                        1,450,000
    1,300,000    Venango Industrial Development Authority,
                   (Pennzoil Company Project),
                   Series A, 4.80%, 12/1/12                            1,300,000
- --------------------------------------------------------------------------------
                                                                       5,750,000
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 20
<PAGE>

         JANUS TAX-EXEMPT MONEY MARKET FUND April 30, 1997 (unaudited)

- --------------------------------------------------------------------------------
Principal Amount                                                    Market Value
- --------------------------------------------------------------------------------
South Carolina - 2.3%
   $1,750,000    Lexington County, (Charter Rivers Hospital),
                   4.70%, 6/1/07                                    $  1,750,000
- --------------------------------------------------------------------------------
Tennessee - 0.3%
      200,000    Hamilton County Industrial Development
                   Revenue, (Komatsu America Manufacturing
                   Project), 4.70%, 11/1/05                              200,000
- --------------------------------------------------------------------------------
Texas - 1.2%
      200,000    Metropolitan Higher Education Authority
                   Revenue, (University of Dallas Project),
                   Series B, 4.75%, 12/1/04                              200,000
      700,000    Brazos Harbor Industrial Development
                   Revenue Board 1991, (Marine Terminal
                   Monsato Project), 4.65%, 2/1/04                       700,000
- --------------------------------------------------------------------------------
                                                                         900,000
- --------------------------------------------------------------------------------
Washington - 3.7%
                 Washington State Housing Finance Community
                   Nonprofit Housing Revenue,
                   (YMCA of Greater Seattle),
      550,000        4.60%, 1/1/27                                       550,000
    2,325,000        4.45%, 7/1/11                                     2,325,000
- --------------------------------------------------------------------------------
                                                                       2,875,000
- --------------------------------------------------------------------------------
Total Variable Rate Notes (amortized cost $60,389,570)                60,389,570
- --------------------------------------------------------------------------------
Bond Anticipation Notes - 3.9%
    1,000,000    New Bedford, Massachusetts Bond Anticipation
                   Notes, 4.25%, 10/10/97                              1,001,491
                 Springfield, Massachusetts Bond
                   Anticipation Notes:
    1,000,000      4.50%, 6/27/97                                      1,000,750
    1,000,000      4.50%, 7/11/97                                      1,000,934
- --------------------------------------------------------------------------------
Total Bond Anticipation Notes (amortized cost $3,003,175)              3,003,175
- --------------------------------------------------------------------------------
General Obligation Notes - 2.6%
    1,000,000    Conyers - Rickdale - Big Haynes, Georgia
                   Impoundment Authority Revenue,
                   3.75%, 12/31/97                                     1,000,453
    1,000,000    Haverhill, Massachusetts,
                   4.50% Bond Anticipation Note, 8/1/97                1,001,606
- --------------------------------------------------------------------------------
Total General Obligation Notes (amortized cost $2,002,059)             2,002,059
- --------------------------------------------------------------------------------
Put Bonds - 6.4%
    1,000,000    Dove Valley, Colorado Metropolitan District,
                   Arapahoe County, Series B, 3.90%, 11/1/25           1,000,000
    2,000,000    Tyler, Texas Health Facilities Development
                   Revenue, (East Texas Regional Health Medical
                   Center), Series C, 3.75%, 11/1/25                   2,000,000
    1,000,000    Interstate South Metropolitan District Colorado,
                   Series B, 3.75%, 11/1/14                            1,000,000
    1,000,000    Lombard, Illinois Multi-Family Housing-RMK-
                   (Clover Creek Apartments Project),
                   3.80%, 12/15/06                                       999,203
- --------------------------------------------------------------------------------
Total Put Bonds (amortized cost $4,999,203)                            4,999,203
- --------------------------------------------------------------------------------
Tax and Revenue Anticipation Notes - 7.8%
   $1,000,000    Campbell County, Wyoming School District No.1
                   Gillette, Tax Anticipation Warrants,
                   4.50%, 6/30/97                                   $  1,000,791
    2,000,000    New Bedford, Massachusetts Revenue
                   Anticipation Notes, 4.50%, 6/30/97                  2,001,896
    1,000,000    Oxnard, California Unified High School District,
                   Tax and Revenue Anticipation Notes,
                   4.50%, 8/7/97                                       1,001,160
    1,000,000    South Coast, California Local Education Agencies
                   Partnership Pooled Tax and Revenue
                   Anticipation Notes, Series A, 4.75%, 6/30/97        1,001,073
    1,000,000    Texas State Tax and Revenue Anticipation Notes,
                   4.75%, 8/29/97                                      1,002,529
- --------------------------------------------------------------------------------
Total Tax and Revenue Anticipation Notes
  (amortized cost $6,007,449)                                          6,007,449
- --------------------------------------------------------------------------------
Short-Term Corporate Notes - 0.7%
      550,000    Maricopa County Arizona School District No. 11,
                   (Peoria University Project), 8.00%, 7/1/97
                   (amortized cost $553,693)                             553,693
- --------------------------------------------------------------------------------
Total Investments (total cost $76,955,149) - 99.5%                    76,955,149
- --------------------------------------------------------------------------------
Cash, Receivables and Other Assets, net of Liabilities - 0.5%            389,750
- --------------------------------------------------------------------------------
Net Assets - 100%                                                    $77,344,899
- --------------------------------------------------------------------------------

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 21
<PAGE>

                      STATEMENTS OF OPERATIONS - BOND FUNDS
<TABLE>
<CAPTION>

                                                                                                    Janus          Janus
                                                                        Janus         Janus        Federal       Short-Term
For the six months ended April 30, 1997 (unaudited)                Flexible Income  High-Yield    Tax-Exempt        Bond
(all numbers in thousands)                                              Fund           Fund          Fund           Fund
- -----------------------------------------------------------------------------------------------------------------------------
Investment Income:
<S>                                                                   <C>            <C>            <C>            <C>   
  Interest                                                            $24,934        $11,654        $1,401         $1,455
  Dividends                                                               770             75            --             11
- -----------------------------------------------------------------------------------------------------------------------------
                                                                       25,704         11,729         1,401          1,466
- -----------------------------------------------------------------------------------------------------------------------------
Expenses:
  Advisory fees                                                         1,856            902           145            142
  Transfer agent fees and expenses                                        712            229            68             65
  Registration fees                                                        47             50            18             10
  Postage and mailing expenses                                             38             17            11              9
  Custodian fees                                                           39             25            12             12
  Printing expenses                                                        11              7             3              3
  Audit fees                                                                7              9             5              2
  Trustees' fees and expenses                                               4              1            --             --
  Other expenses                                                           20             23            11             10
- -----------------------------------------------------------------------------------------------------------------------------
Total expenses                                                          2,734          1,263           273            253
- -----------------------------------------------------------------------------------------------------------------------------
Expense and fee offsets                                                  (52)           (34)           (4)            (3)
- -----------------------------------------------------------------------------------------------------------------------------
Net expenses                                                            2,682          1,229           269            250
- -----------------------------------------------------------------------------------------------------------------------------
Less: Excess expense reimbursement                                         --           (27)         (111)          (108)
- -----------------------------------------------------------------------------------------------------------------------------
                                                                        2,682          1,202           158            142
- -----------------------------------------------------------------------------------------------------------------------------
Net investment income                                                  23,022         10,527         1,243          1,324
- -----------------------------------------------------------------------------------------------------------------------------
Net Realized and Unrealized Gain/(Loss) on Investments:
Net realized gain/(loss) from securities transactions                   4,723          4,693         (505)            515
Net realized gain/(loss) from foreign currency                             26             --            --             --
Net realized gain/(loss) from futures or options contracts              (711)             --         (753)             --
Change in net unrealized appreciation or depreciation of investments (12,061)        (1,882)           989          (366)
- -----------------------------------------------------------------------------------------------------------------------------
Net gain/(loss) on investments                                        (8,023)          2,811         (269)            149
- -----------------------------------------------------------------------------------------------------------------------------
Net increase in net assets resulting from operations                  $14,999        $13,338          $974         $1,473
=============================================================================================================================
</TABLE>

An Explanation of the Statement of Operations
     This financial  statement  details the Funds' income,  expenses,  gains and
losses  on  securities  and  currency  transactions  and  from  appreciation  or
depreciation of portfolio holdings. The first section in this statement,  called
"Investment  Income,"  reports the  dividends  earned  from stocks and  interest
earned from interest-bearing securities in the portfolio.
     The next section reports the expenses and expense  offsets  incurred by the
Funds,  including the advisory fee paid to the investment advisor,  the transfer
agent fees,  shareholder  servicing  expenses,  printing and postage for mailing
statements, financial reports, and prospectuses to investors.
     The last section  lists the increase or decrease in the value of securities
held in the  Funds'  portfolios.  Funds  realize a gain (or loss) when they sell
their position in a particular security. Unrealized gain (or loss) refers to the
change in net  appreciation or depreciation of the Funds'  portfolio  during the
period. This figure is affected by both changes in the market value of portfolio
holdings and by gains (or losses) realized during the reporting period.

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 22
<PAGE>

                STATEMENTS OF ASSETS AND LIABILITIES - BOND FUNDS
<TABLE>
<CAPTION>
                                                                                                  Janus          Janus
                                                                     Janus          Janus        Federal       Short-Term
As of April 30, 1997 (unaudited)                                 Flexible Income  High-Yield    Tax-Exempt        Bond
(all numbers in thousands except net asset value per share)           Fund           Fund          Fund           Fund
- ---------------------------------------------------------------------------------------------------------------------------
Assets:
<S>                                                                <C>            <C>            <C>            <C>    
Investments at cost                                                $623,731       $218,686       $48,852        $45,417
- ---------------------------------------------------------------------------------------------------------------------------

- ---------------------------------------------------------------------------------------------------------------------------
Investments at value                                               $624,553       $220,368       $48,991        $45,330
Cash                                                                    161             20            37             91
Receivables:
  Investments sold                                                    3,875          7,512           969          1,801
  Fund shares sold                                                    1,701          7,708            22            105
  Interest                                                           11,227          5,148           997            698
Other assets                                                              3              1            24              1
- ---------------------------------------------------------------------------------------------------------------------------
    Total Assets                                                    641,520        240,757        51,040         48,026
- ---------------------------------------------------------------------------------------------------------------------------
Liabilities:
Payables:
  Investments purchased                                               6,860         16,997            34          1,795
  Fund shares repurchased                                               973            632            60             94
  Dividends                                                             554            152            --             10
  Advisory fee                                                          306            131            25              7
  Transfer agent fee                                                    154             32            13             14
Accrued expenses                                                         44             44            43             19
Variation margin-- futures contracts                                    382             --            27             --
- ---------------------------------------------------------------------------------------------------------------------------
    Total Liabilities                                                 9,273         17,988           202          1,939
- ---------------------------------------------------------------------------------------------------------------------------
Net Assets                                                         $632,247       $222,769       $50,838        $46,087
  Shares Outstanding, $0.01 Par Value (unlimited shares authorized)  66,474         19,961         7,376         16,027
===========================================================================================================================
Net Asset Value Per Share                                             $9.51         $11.16         $6.89          $2.88
===========================================================================================================================
</TABLE>

An Explanation of the Statement of Assets and Liabilities
     This financial  statement is often  referred to as the "balance  sheet." It
lists  the  assets  and  liabilities  of the Fund on the last day of the  fiscal
period.
     The Funds'  assets  are  calculated  by adding the value of the  securities
owned,  the receivable for securities  sold but not yet settled,  the receivable
for dividends declared on stocks owned but not yet received,  and the receivable
for Fund shares sold to investors  but not yet settled.  The Funds'  liabilities
include  payables for  securities  purchased  but not yet  settled,  fund shares
redeemed but not yet paid, and expenses owed but not yet paid.
     The last line of this schedule reports the Funds' net asset value (NAV) per
share on the last day of the fiscal  period.  The NAV is  calculated by dividing
the  Funds'  net  assets  (assets  minus  liabilities)  by the  number of shares
outstanding.

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 23
<PAGE>

                STATEMENTS OF CHANGES IN NET ASSETS - BOND FUNDS
<TABLE>
<CAPTION>
For the six months ended April 30, 1997                          
(unaudited) and the fiscal year or period                Janus                 Janus                Janus                Janus   
ended October 31, 1996                               Flexible Income        High-Yield        Federal Tax-Exempt    Short-Term Bond
(all numbers in thousands)                                Fund                  Fund                 Fund                 Fund
- ------------------------------------------------------------------------------------------------------------------------------------
                                                     1997       1996       1997      1996(1)    1997      1996       1997      1996
- ------------------------------------------------------------------------------------------------------------------------------------
Operations:
<S>                                               <C>        <C>        <C>        <C>        <C>       <C>        <C>       <C>   
Net investment income                             $23,022    $45,864    $10,527    $6,672     $1,243    $1,883     $1,324    $2,353
Net realized gain/(loss) from
  investment transactions                           4,038     12,178      4,693     2,395    (1,258)       260        515       138
Change in unrealized net appreciation or
  depreciation of investments                    (12,061)    (7,554)    (1,882)     3,565        989     (110)      (366)       118
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) in net assets
  resulting from operations                        14,999     50,488     13,338    12,632        974     2,033      1,473     2,609
- ------------------------------------------------------------------------------------------------------------------------------------
Dividends and Distributions to Shareholders:
Net investment income*                           (23,022)   (45,865)   (10,527)   (6,672)    (1,237)   (1,884)    (1,324)   (2,352)
Net realized gain from investment transactions    (1,193)         --    (2,396)        --         --        --         --        --
- ------------------------------------------------------------------------------------------------------------------------------------
Net decrease from dividends and distributions    (24,215)   (45,865)   (12,923)   (6,672)    (1,237)   (1,884)    (1,324)   (2,352)
- ------------------------------------------------------------------------------------------------------------------------------------
Capital Share Transactions: 
Shares sold                                       155,969    313,773    206,966   272,508     15,715    26,324     26,013    27,920
Reinvested dividends and distributions             20,436     38,575     11,588     5,896      1,028     1,553      1,222     2,169
Shares repurchased                              (138,597)  (333,675)  (207,133)  (73,431)   (10,500)  (15,761)   (22,081)  (37,679)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) from
  capital share transactions                       37,808     18,673     11,421   204,973      6,243    12,116      5,154   (7,590)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) in net assets              28,592     23,296     11,836   210,933      5,980    12,265      5,303   (7,333)
Net Assets:
Beginning of period                               603,655    580,359    210,933        --     44,858    32,593     40,784    48,117
- ------------------------------------------------------------------------------------------------------------------------------------
End of Period                                    $632,247   $603,655   $222,769  $210,933    $50,838   $44,858    $46,087   $40,784
====================================================================================================================================
Net Assets consist of:
Capital (par value and paid-in surplus)*         $626,884   $589,076   $216,393  $204,973    $52,293   $46,050    $48,892   $43,738
Undistributed net investment income*                  394        394         --        --          6        --          2         2
Undistributed net realized gain/(loss)
  from investments*                                 4,480      1,635      4,693     2,395    (2,906)   (1,648)    (2,721)   (3,236)
Unrealized appreciation/(depreciation)
  of investments                                      489     12,550      1,683     3,565      1,445       456       (86)       280
- ------------------------------------------------------------------------------------------------------------------------------------
                                                 $632,247   $603,655   $222,769  $210,933    $50,838   $44,858    $46,087   $40,784
====================================================================================================================================
Transactions in Fund Shares:
Shares sold                                        16,156     32,701     18,360    25,145      2,259     3,784      9,029     9,842
Reinvested distributions                            2,116      4,031      1,029       538        148       223        424       764
- ------------------------------------------------------------------------------------------------------------------------------------
Total                                              18,272     36,732     19,389    25,683      2,407     4,007      9,453    10,606
Shares repurchased                               (14,378)   (34,947)   (18,393)   (6,718)    (1,512)   (2,263)    (7,665)  (13,292)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease)                             3,894      1,785        996    18,965        895     1,744      1,788   (2,686)
- ------------------------------------------------------------------------------------------------------------------------------------
Shares outstanding beginning of period             62,580     60,795     18,965        --      6,481     4,737     14,239    16,925
Shares outstanding end of period                   66,474     62,580     19,961    18,965      7,376     6,481     16,027    14,239
====================================================================================================================================
Purchases and Sales of Investment Securities:
  (excluding Short-Term Securities)
Purchases of Securities                          $431,565 $1,062,764   $385,006  $431,286    $68,110   $87,631    $40,757  $118,608
Proceeds from Sales of Securities                 436,180  1,075,417    414,717   239,819     60,404    79,890     36,745   127,584
Purchases of Long-Term
  U.S. Government Obligations                     123,987    147,498      7,803     1,115         --        --      5,162    54,851
Proceeds from Sales of Long-Term 
  U.S. Government Obligations                      91,432    155,967      2,884     1,141         --        --      4,272    60,549
====================================================================================================================================
</TABLE>
(1) Fiscal period December 29, 1995 (inception) to October 31, 1996
*See Note 3 in Notes to Financial Statements

An Explanation of the Statement of Changes in Net Assets
     This financial statement reports the increase or decrease in the Funds' net
assets  during  the  reporting  period.  Changes  in the  Funds'  net assets are
attributable to investment  operations,  dividends,  distributions,  and capital
share transactions. This schedule is of importance to investors because it shows
exactly what caused the Funds' asset size to change during the period. Investors
can use this  information  to  determine  if the  Funds'  growth was a result of
operations or an increase in the number of shares being purchased.
     The  first  section  summarizes  the  information  from  the  Statement  of
Operations  regarding  changes  in  net  assets  due to  the  Funds'  investment
performance.  The Funds' net assets will also change as a result of dividend and
capital gain distributions to investors. If investors receive their dividends in
cash,  money is  taken  out of the Fund to pay the  distribution.  If  investors
reinvest  their  dividends,  the Funds' net assets will not be affected.  If you
compare each Fund's "Net  decrease  from  dividends  and  distributions"  to the
"Reinvested   dividends   and   distributions,"   you'll  notice  that  dividend
distributions  had little effect on each Fund's net assets.  This is because the
majority of Janus investors reinvest their distributions.
     The   reinvestment   of  dividends  is  included   under   "Capital   Share
Transactions."  "Capital Shares" refers to the money investors contribute to the
Fund through  purchases or withdraw via redemptions.  The Fund's net assets will
increase and decrease in value as investors  purchase and redeem shares from the
Fund.
     The section  titled "Net Assets  Consist of" breaks down the  components of
the Funds' net assets.  Since funds must distribute  substantially all earnings,
you'll notice that a significant portion of net assets is shareholder capital.

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 24
<PAGE>

                        FINANCIAL HIGHLIGHTS - BOND FUNDS

<TABLE>
<CAPTION>
For a share outstanding during the six months
ended April 30, 1997 (unaudited)                                            Janus Flexible Income Fund
and the fiscal year or period ended October 31            1997        1996       1995        1994        1993    1992(1)
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                      <C>         <C>        <C>        <C>          <C>        <C>  
Net asset value, beginning of period                     $9.65       $9.55      $8.96      $10.03       $9.26      $9.09
- ---------------------------------------------------------------------------------------------------------------------------
Income from investment operations
Net investment income                                      .36         .73        .72         .74         .77        .68
Net gains or (losses) on securities
  (both realized and unrealized)                         (.12)         .10        .59       (.86)         .79        .15
- ---------------------------------------------------------------------------------------------------------------------------
Total from investment operations                           .24         .83       1.31       (.12)        1.56        .83
- ---------------------------------------------------------------------------------------------------------------------------
Less distributions
Dividends (from net investment income)                   (.36)       (.73)      (.72)       (.72)       (.77)      (.66)
Distributions (from capital gains)                       (.02)          --         --       (.23)       (.02)         --
- ---------------------------------------------------------------------------------------------------------------------------
Total distributions                                      (.38)       (.73)      (.72)       (.95)       (.79)      (.66)
- ---------------------------------------------------------------------------------------------------------------------------
Net asset value, end of period                           $9.51       $9.65      $9.55       $8.96      $10.03      $9.26
===========================================================================================================================
Total return*                                            2.43%       9.01%     15.35%     (1.26%)      17.48%      9.43%
===========================================================================================================================
Net assets, end of period (in thousands)              $632,247    $603,655   $580,359    $377,345    $473,116   $205,371
Average net assets for the period (in thousands)      $625,784    $603,694   $450,001    $428,962    $337,568   $143,766
Ratio of gross expenses to average net assets**          0.88%       0.88%      0.96%          NA          NA         NA
Ratio of net expenses to average net assets**            0.86%       0.87%      0.96%       0.93%   1.00% (4)   1.00%(4)
Ratio of net investment income to average net assets**   7.42%       7.60%      7.91%       7.75%       7.96%      8.98%
Portfolio turnover rate**                                 191%        214%       250%        137%        201%       210%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
For a share outstanding during the six months
ended April 30, 1997 (unaudited)                                         Janus Federal Tax-Exempt Fund
and the fiscal year or period ended October 31            1997        1996       1995        1994    1993 (2)
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                      <C>         <C>        <C>         <C>         <C>  
Net asset value, beginning of period                     $6.92       $6.88      $6.45       $7.30       $7.00
- ---------------------------------------------------------------------------------------------------------------------------
Income from investment operations
Net investment income                                      .18         .36        .36         .36         .14
Net gains or (losses) on securities
  (both realized and unrealized)                         (.03)         .04        .43       (.83)         .30
- ---------------------------------------------------------------------------------------------------------------------------
Total from investment operations                           .15         .40        .79       (.47)         .44
- ---------------------------------------------------------------------------------------------------------------------------
Less distributions
Dividends (from net investment income)                   (.18)       (.36)      (.36)       (.36)       (.14)
Distributions (from capital gains)                          --          --         --       (.02)          --
- ---------------------------------------------------------------------------------------------------------------------------
Total distributions                                      (.18)       (.36)      (.36)       (.38)       (.14)
- ---------------------------------------------------------------------------------------------------------------------------
Net asset value, end of period                           $6.89       $6.92      $6.88       $6.45       $7.30
===========================================================================================================================
Total return*                                            2.10%       5.94%     12.60%     (6.62%)       6.33%
===========================================================================================================================
Net assets, end of period (in thousands)               $50,838     $44,858    $32,593     $26,464     $27,331
Average net assets for the period (in thousands)       $48,825     $36,312    $29,318     $28,384     $16,038
Ratio of gross expenses to average net assets**       0.67%(5)    0.68%(5)   0.70%(5)          NA          NA
Ratio of net expenses to average net assets**            0.65%       0.65%      0.65%    0.65%(5)    0.75%(5)
Ratio of net investment income to average net assets**   5.14%       5.18%      5.43%       5.20%       4.58%
Portfolio turnover rate**                                 256%        225%       164%        160%        124%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
For a share outstanding during the six months
ended April 30, 1997 (unaudited)                      Janus High-Yield Fund
and the fiscal year or period ended October 31            1997     1996(3)
- --------------------------------------------------------------------------------
<S>                                                     <C>         <C>   
Net asset value, beginning of period                    $11.12      $10.00
- --------------------------------------------------------------------------------
Income from investment operations
Net investment income                                      .49         .80
Net gains or (losses) on securities
  (both realized and unrealized)                           .15        1.12
- --------------------------------------------------------------------------------
Total from investment operations                           .64        1.92
- --------------------------------------------------------------------------------
Less distributions
Dividends (from net investment income)                   (.49)       (.80)
Distributions (from capital gains)                       (.11)          --
- --------------------------------------------------------------------------------
Total distributions                                      (.60)       (.80)
- --------------------------------------------------------------------------------
Net asset value, end of period                          $11.16      $11.12
================================================================================
Total return*                                            5.88%      19.71%
================================================================================
Net assets, end of period (in thousands)              $222,769    $210,933
Average net assets for the period (in thousands)      $242,420     $88,126
Ratio of gross expenses to average net assets**       1.03%(6)    1.01%(6)
Ratio of net expenses to average net assets**            1.00%       1.00%
Ratio of net investment income to average net assets**   8.76%       9.00%
Portfolio turnover rate**                                 376%        324%
- --------------------------------------------------------------------------------
</TABLE>
(1)  Fiscal period from January 1, 1992 to October 31, 1992
(2)  Fiscal period from May 3, 1993 (inception) to October 31, 1993
(3)  Fiscal period from December 29, 1995 (inception) to October 31, 1996
(4)  The ratio was 1.01% in 1993 and 1.21% in 1992 the Fund.
(5)  The ratio was 1.12% in 1997,  1.14% in 1996,  1.31% in 1995,  1.41% in 1994
     and 1.60% in 1993 before  voluntary  waiver of certain fees incurred by the
     Fund.
(6)  The ratio was 1.05% in 1997 and 1.18% in 1996  before  voluntary  waiver of
     certain fees incurred by before  voluntary  waiver of certain fees incurred
     by the Fund.
* Total return not annualized for periods of less than one year
**Annualized for periods less than one year
NA - Disclosure not required for prior periods

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 25
<PAGE>

                        FINANCIAL HIGHLIGHTS - BOND FUNDS

<TABLE>
<CAPTION>
For a share outstanding during the six months
ended April 30, 1997 (unaudited)                                            Janus Short-Term Bond Fund
and the fiscal year or period ended October 31            1997        1996       1995        1994        1993    1992(1)
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                      <C>         <C>        <C>         <C>         <C>        <C>  
Net asset value, beginning of period                     $2.86       $2.84      $2.87       $3.02       $2.98      $3.00
- ---------------------------------------------------------------------------------------------------------------------------
Income from investment operations
Net investment income                                      .09         .16        .18         .18         .14        .01
Net gains or (losses) on securities
  (both realized and unrealized)                           .02         .02      (.03)       (.15)         .04      (.02)
- ---------------------------------------------------------------------------------------------------------------------------
Total from investment operations                           .11         .18        .15         .03         .18      (.01)
- ---------------------------------------------------------------------------------------------------------------------------
Less distributions
Dividends (from net investment income)                   (.09)       (.16)      (.18)       (.17)       (.14)      (.01)
Distributions (from capital gains)                          --          --         --       (.01)          --         --
- ---------------------------------------------------------------------------------------------------------------------------
Total distributions                                      (.09)       (.16)      (.18)       (.18)       (.14)      (.01)
- ---------------------------------------------------------------------------------------------------------------------------
Net asset value, end of period                           $2.88       $2.86      $2.84       $2.87       $3.02      $2.98
===========================================================================================================================
Total return*                                            3.76%       6.49%      5.55%       1.26%       6.17%    (0.19%)
===========================================================================================================================
Net assets, end of period (in thousands)               $46,087     $40,784    $48,117     $54,285     $76,096     $3,472
Average net assets for the period (in thousands)       $44,018     $42,203    $47,383     $59,584     $36,794       $779
Ratio of gross expenses to average net assets**       0.67%(2)    0.67%(2)   0.66%(2)          NA          NA         NA
Ratio of net expenses to average net assets**            0.65%       0.65%      0.65%   0.65%((2)    0.83%(2)   1.00%(2)
Ratio of net investment income to average net assets**   6.06%       5.57%      6.67%       6.08%       4.86%      3.22%
Portfolio turnover rate**                                 209%        486%       337%        346%        372%         7%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>
(1) Fiscal period from September 1, 1992 (inception) to October 31, 1992
(2)  The ratio was 1.16% in 1997,  1.23% in 1996,  1.23% in 1995, 1.15% in 1994,
     1.40% in 1993 and 2.50% in 1992  before  voluntary  waiver of certain  fees
     incurred by the Fund.
*Total return not  annualized  for periods of less than one year 
**Annualized for periods less than one year
NA - Disclosure not required for prior periods 

An Explanation of the Financial Highlights
     This schedule  provides a per share breakdown of the components that affect
the Funds' NAV for the current and past  reporting  periods.  Not only does this
table provide you with total return, it also reports total distributions,  asset
size, expense ratios and portfolio turnover rate.
     The  first  line in the  table  reflects  the  Funds'  NAV per share at the
beginning of the fiscal period.  The next line reports the Funds' net investment
income per share which is comprised of dividends  and interest  income earned on
securities  held by the Fund.  Following  is the total of  gains,  realized  and
unrealized. Dividends and distributions are then subtracted to arrive at the NAV
per share at the end of the fiscal period.
     Also included in the Financial  Highlights is the Funds' expense ratio,  or
the percentage of net assets that was used to cover  operating  expenses  during
the  period.  Expense  ratios  vary  across  the Funds  for a number of  reasons
including the differences in management fees, average  shareholder account size,
the frequency of dividend payments, and the extent of foreign investments, which
entail greater transaction costs.
     The Funds' expenses may be reduced through expense reduction  arrangements.
Those  arrangements  include  the use of broker  commissions  and cash  balances
earning interest or balance credits with the Funds' custodian and transfer agent
bank accounts.  The Statements of Operations  reflect the total expenses  before
any offset, the amount of offset and the net expenses. The expense ratios listed
in the Financial  Highlights  reflect  total  expenses both prior to any expense
offset and after the offsets, along with any expense reimbursements.
     Expense  ratios  prior  to  any  expense  offset  are  part  of  disclosure
requirements  imposed  in  1996.  Years  prior  to  1995  do  not  reflect  this
information.
     The next line  reports  the ratio of net  investment  income,  which is the
income  earned  divided  by the  average  net  assets  of the Funds  during  the
reporting  period.  Don't  confuse  this  ratio  with a  Fund's  yield.  The net
investment  income  ratio is not a true  measure  of a Funds'  yield  because it
doesn't take into account the dividends distributed to the Funds' investors.
     The next ratio provided in this table is the portfolio turnover rate, which
measures  the amount of buying and  selling  activity  in the Funds'  portfolio.
Portfolio  turnover is affected by market  conditions,  changes in the size of a
Fund,  the nature of the Funds'  investments,  and the  investment  style of the
portfolio  manager. A 100% rate implies that an amount equal to the value of the
entire portfolio is turned over in a year; a 50% rate means that an amount equal
to the value of half the  portfolio  is traded in a year;  and a 200% rate would
mean that an amount equal to the value of the portfolio is sold in an average of
six months.

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 26
<PAGE>

                  STATEMENTS OF OPERATIONS - MONEY MARKET FUNDS

<TABLE>
<CAPTION>
For the six months or period                                  Janus             Janus Government        Janus Tax-Exempt 
ended April 30, 1997 (unaudited)                           Money Market           Money Market            Money Market
(all numbers in thousands)                                     Fund                   Fund                    Fund
- ---------------------------------------------------------------------------------------------------------------------------
Investment Income:
<S>                                                          <C>                     <C>                     <C>   
  Interest                                                   $86,408                 $5,174                  $1,455
- ---------------------------------------------------------------------------------------------------------------------------
                                                              86,408                  5,174                   1,455
- ---------------------------------------------------------------------------------------------------------------------------
Expenses:
  Advisory Fee for Investor Shares                               416                     61                      39
  Advisory Fee for Institutional Shares                        1,129                     33                       1
  Advisory Fee for Service Shares*                                --                     --                      --
  Administrative Fee for Investor Shares                       2,076                    305                     191
  Administrative Fee for Institutional Shares                    565                     17                       1
  Adminstrative Fee for Service Shares*                           --                     --                      --
  Audit Fee                                                        7                      4                       4
  Audit and Trustees' Fees and Expenses                           18                      1                      --
- ---------------------------------------------------------------------------------------------------------------------------
                                                               4,211                    421                     236
- ---------------------------------------------------------------------------------------------------------------------------
Net Investment Income:                                        82,197                  4,753                   1,219
- ---------------------------------------------------------------------------------------------------------------------------
Net Realized Gain/(Loss) on Investments:
  Net realized gain/(loss) from securities transactions            4                     11                     (2)
- ---------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) in net assets resulting 
  from operations                                            $82,201                 $4,764                  $1,217
===========================================================================================================================
</TABLE>
*Period November 22, 1996 (inception) to April 30, 1997


           STATEMENTS OF ASSETS AND LIABILITIES - MONEY MARKET FUNDS

<TABLE>
<CAPTION>
                                                               Janus            Janus Government        Janus Tax-Exempt
As of April 30, 1997 (unaudited)                           Money Market           Money Market            Money Market
(all numbers in thousands except net asset value)              Fund                   Fund                    Fund
- ---------------------------------------------------------------------------------------------------------------------------
Assets:
<S>                                                       <C>                      <C>                      <C>    
  Investments at amortized cost                           $3,307,697               $194,220                 $76,955
  Cash                                                           117                     91                      82
  Receivables:
    Investments Sold                                          99,591                 19,639                      --
    Fund Shares Sold                                           4,264                    225                     257
    Interest                                                  17,043                    519                     610
- ---------------------------------------------------------------------------------------------------------------------------
Total Assets                                               3,428,712                214,694                  77,904
- ---------------------------------------------------------------------------------------------------------------------------
Liabilities:
  Payables
    Investments Purchased                                     99,527                 19,639                      --
    Fund Shares Repurchased                                    9,649                    766                     504
    Dividends and Distributions                                6,884                     39                      13
    Advisory Fee                                                 261                     15                       6
    Administrative Fee                                           467                     56                      32
    Audit Fee                                                      7                      4                       4
    Trustees' Expenses                                             1                     --                      --
- ---------------------------------------------------------------------------------------------------------------------------
Total Liabilities                                            116,796                 20,519                     559
- ---------------------------------------------------------------------------------------------------------------------------
Total Net Assets                                          $3,311,916               $194,175                 $77,345
Shares Outstanding, $0.01 Par Value
  (unlimited shares authorized)                            3,311,914                194,166                  77,345
- ---------------------------------------------------------------------------------------------------------------------------
Net Asset Value Per Share                                      $1.00                  $1.00                   $1.00
===========================================================================================================================
</TABLE>

See Notes to Schedule of Investments

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 27
<PAGE>

            STATEMENTS OF CHANGES IN NET ASSETS - MONEY MARKET FUNDS

<TABLE>
<CAPTION>
For the fiscal year or period                                    Janus                  Janus Government          Janus Tax-Exempt
ended April 30, 1997 (unaudited)                              Money Market                Money Market               Money Market
(all numbers in thousands)                                        Fund                        Fund                       Fund
- ------------------------------------------------------------------------------------------------------------------------------------
                                                          1997(1)         1996       1997(1)          1996       1997(1)        1996
- ------------------------------------------------------------------------------------------------------------------------------------
Operations:
<S>                                                    <C>          <C>            <C>           <C>            <C>         <C>     
Net investment income                                  $   82,197   $   81,188     $   4,753     $   8,358      $  1,219    $  2,279
Net realized gain/(loss) from investment transactions           4           99            11             9           (2)         (1)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) in net assets
  resulting from operations                                82,201       81,287         4,764         8,367         1,217       2,278
- ------------------------------------------------------------------------------------------------------------------------------------
Dividends and Distributions to Shareholders:
Net investment income:
  Investor Shares                                        (20,761)     (33,875)       (2,968)       (5,507)       (1,166)     (2,211)
  Institutional Shares                                   (61,435)     (47,313)       (1,773)       (2,851)          (51)        (67)
  Service Shares                                               --           --          (12)            --            --          --
Net realized gain/(loss) from investment transactions:
  Investor Shares                                              --         (39)           (1)           (6)            --          --
  Institutional Shares                                        (2)         (60)           (1)           (3)            --          --
  Service Shares                                               --           --            --            --            --          --
- ------------------------------------------------------------------------------------------------------------------------------------
Net decrease from dividends and distributions            (82,198)     (81,287)       (4,755)       (8,367)       (1,217)     (2,278)
- ------------------------------------------------------------------------------------------------------------------------------------
Capital Share Transactions:
Shares sold:
  Investor Shares                                       1,273,640    1,457,473        93,635       121,998       102,856      89,300
  Institutional Shares                                 25,814,989   24,946,671       358,939       648,284        10,454      38,832
  Service Shares                                               10           --         1,985            --            10          --
Reinvested dividends and distributions: 
  Investor Shares                                          19,865       32,696         2,857         5,320         1,112       2,141
  Institutional Shares                                     14,680       15,684         1,679         2,267            44          43
  Service Shares                                               --           --             3            --            --          --
Shares repurchased:
  Investor Shares                                     (1,209,118)  (1,359,501)      (86,306)     (129,217)     (103,012)    (84,282)
  Institutional Shares                               (25,081,650) (23,561,697)     (355,524)     (635,225)      (10,704)    (48,120)
  Service Shares                                               --           --            --            --            --          --
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) from capital share transactions   832,416    1,531,326        17,268        13,427           760     (2,086)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) in net assets                     832,419    1,531,326        17,277        13,427           760     (2,086)
Net Assets beginning of period                          2,479,497      948,171       176,898       163,471        76,585      78,671
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets end of period                               $3,311,916   $2,479,497      $194,175      $176,898       $77,345     $76,585
====================================================================================================================================
Net Assets consist of:
Capital (par value and paid-in surplus)                $3,311,913   $2,479,497      $194,166      $176,898       $77,345     $76,585
Undistributed net realized gain/(loss) from investments         3           --             9            --            --          --
- ------------------------------------------------------------------------------------------------------------------------------------
                                                       $3,311,916   $2,479,497      $194,175      $176,898       $77,345     $76,585
====================================================================================================================================
Transactions in Fund Shares - Investor Shares
Shares Sold                                             1,273,640    1,457,473        93,635       121,998       102,856      89,300
Reinvested dividends and distributions                     19,865       32,696         2,857         5,320         1,112       2,141
- ------------------------------------------------------------------------------------------------------------------------------------
Total                                                   1,293,505    1,490,169        96,492       127,318       103,968      91,441
Shares repurchased                                    (1,209,118)  (1,359,501)      (86,306)     (129,217)     (103,012)    (84,282)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase(decrease) in fund shares                      84,387      130,668        10,186       (1,899)           956       7,159
- ------------------------------------------------------------------------------------------------------------------------------------
Shares outstanding at beginning of period                 773,887      643,219       117,408       119,307        74,638      67,479
Shares outstanding at end of period                       858,274      773,887       127,594       117,408        75,594      74,638
====================================================================================================================================
Transactions in Fund Shares - Institutional Shares
Shares Sold                                            25,814,989   24,946,671       358,939       648,284        10,454      38,832
Reinvested dividends and distributions                     14,680       15,684         1,679         2,267            44          43
- ------------------------------------------------------------------------------------------------------------------------------------
Total                                                  25,829,669   24,962,355       360,618       650,551        10,498      38,875
Shares repurchased                                   (25,081,650) (23,561,697)     (355,524)     (635,225)      (10,704)    (48,120)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase/(decrease) in fund shares                    748,019    1,400,658         5,094        15,326         (206)     (9,245)
- ------------------------------------------------------------------------------------------------------------------------------------
Shares outstanding at beginning of period               1,705,610      304,952        59,490        44,164         1,947      11,192
Shares outstanding at end of period                     2,453,629    1,705,610        64,584        59,490         1,741       1,947
====================================================================================================================================
Transactions in Fund Shares - Service Shares
Shares Sold                                                    10           --         1,985            --            10          --
Reinvested dividends and distributions                         --           --             3            --            --          --
- ------------------------------------------------------------------------------------------------------------------------------------
Total                                                          10           --         1,988            --            10          --
Shares repurchased                                             --           --            --            --            --          --
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase(decrease) in fund shares                          10           --         1,988            --            10          --
- ------------------------------------------------------------------------------------------------------------------------------------
Shares outstanding at beginning of period                      --           --            --            --            --          --
Shares outstanding at end of period                            10           --         1,988            --            10          --
====================================================================================================================================
</TABLE>
(1)  Fiscal period  November 22, 1996  (inception) to April 30, 1997 for Service
     Shares

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 28
<PAGE>

                    FINANCIAL HIGHLIGHTS - MONEY MARKET FUNDS
                                
<TABLE>
<CAPTION>
For a share outstanding during the six
months ended April 30, 1997 (unaudited)                 Janus                    Janus Government              Janus Tax-Exempt 
on through fiscal year or period                     Money Market                  Money Market                  Money Market
ended October 31                                         Fund                          Fund                           Fund
- ------------------------------------------------------------------------------------------------------------------------------------
Investor Shares                                1997      1996   1995(1)      1997      1996   1995(1)      1997      1996   1995(1)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                           <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>  
Net asset value at beginning of period        $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00
- ------------------------------------------------------------------------------------------------------------------------------------
Income from investment operations:        
Net investment income                           .02       .05       .04       .02       .05       .04       .02       .03       .02
- ------------------------------------------------------------------------------------------------------------------------------------
Total from investment operations                .02       .05       .04       .02       .05       .04       .02       .03       .02
- ------------------------------------------------------------------------------------------------------------------------------------
Less Dividends and Distributions:         
Dividends (from net investment income)        (.02)     (.05)     (.04)     (.02)     (.05)     (.04)     (.02)     (.03)     (.02)
- ------------------------------------------------------------------------------------------------------------------------------------
Total dividends and distributions             (.02)     (.05)     (.04)     (.02)     (.05)     (.04)     (.02)     (.03)     (.02)
- ------------------------------------------------------------------------------------------------------------------------------------
Net asset value at end of period              $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00
====================================================================================================================================
Total return*                                 2.50%     5.13%     3.95%     2.44%     5.03%     3.90%     1.52%     3.27%     2.40%
====================================================================================================================================
Net assets at end of period               
  (in thousands)                           $858,274  $773,887  $643,219  $127,593  $117,408  $199,307   $75,594   $74,638   $67,479
Average net assets for the period         
  (in thousands)                           $837,501  $676,334  $461,311  $122,859  $112,059   $87,906   $77,315   $68,695   $57,366
Ratio of expenses to                      
  average net assets**                     0.60%(4)  0.60%(4)  0.60%(4)  0.61%(4)  0.60%(4)  0.60%(4)  0.61%(4)  0.60%(4)  0.60%(4)
Ratio of net investment income to         
  average net assets**                        5.00%     5.01%     5.56%     4.87%     4.91%     5.40%     3.05%     3.22%     3.38%
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
For a share outstanding during the six
months ended April 30, 1997 (unaudited)                 Janus                    Janus Government              Janus Tax-Exempt 
on through fiscal year or period                     Money Market                  Money Market                  Money Market
ended October 31                                         Fund                          Fund                          Fund
- ------------------------------------------------------------------------------------------------------------------------------------
Institutional Shares                           1997      1996   1995(2)      1997      1996   1995(2)      1997      1996   1995(2)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                           <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>  
Net asset value at beginning of period        $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00
- ------------------------------------------------------------------------------------------------------------------------------------
Income from investment operations:
Net investment income                           .03       .05       .03       .03       .05       .03       .02       .04       .02
- ------------------------------------------------------------------------------------------------------------------------------------
Total from investment operations                .03       .05       .03       .03       .05       .03       .02       .04       .02
- ------------------------------------------------------------------------------------------------------------------------------------
Less Dividends and Distributions:
Dividends (from net investment income)        (.03)     (.05)     (.03)     (.03)     (.05)     (.03)     (.02)     (.04)     (.02)
- ------------------------------------------------------------------------------------------------------------------------------------
Total dividends and distributions             (.03)     (.05)     (.03)     (.03)     (.05)     (.03)     (.02)     (.04)     (.02)
- ------------------------------------------------------------------------------------------------------------------------------------
Net asset value at end of period              $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00     $1.00
====================================================================================================================================
Total return*                                 2.73%     5.61%     3.25%     2.67%     5.50%     3.20%     1.72%     3.74%     2.09%
====================================================================================================================================
Net assets at end of period
  (in thousands)                        $2,453,629 $1,705,610  $304,952   $64,585   $59,490   $44,164    $1,741    $1,947   $11,192
Average net assets for the period
  (in thousands)                        $2,276,901   $874,431  $202,427   $67,257   $53,398   $24,748    $2,920    $1,754    $1,115
Ratio of expenses to
  average net assets**                    0.15%(5)   0.15%(5)  0.15%(5)  0.16%(5)  0.15%(5)  0.15%(5)  0.16%(5)  0.15%(5)  0.15%(5)
Ratio of net investment income
  to average net assets**                    5.44%      5.41%     5.86%     5.32%     5.34%     5.75%     3.48%     3.82%     3.82%
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
                                                            Janus               Janus Government          Janus Tax-Exempt
For a share outstanding throughout the                  Money Market              Money Market              Money Market
fiscal period ended April 30, 1997 (unaudited)              Fund                      Fund                      Fund
- ---------------------------------------------------------------------------------------------------------------------------
Service Shares                                           1997(3)                   1997(3)                    1997(3)
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                        <C>                       <C>                        <C>  
Net asset value at beginning of period                     $1.00                     $1.00                      $1.00
- ---------------------------------------------------------------------------------------------------------------------------
Income from investment operations:
Net investment income                                        .02                       .02                        .01
- ---------------------------------------------------------------------------------------------------------------------------
Total from investment operations                             .02                       .02                        .01
- ---------------------------------------------------------------------------------------------------------------------------
Less Dividends and Distributions:
Dividends (from net investment income)                     (.02)                     (.02)                      (.01)
- ---------------------------------------------------------------------------------------------------------------------------
Total dividends and distributions                          (.02)                     (.02)                      (.01)
- ---------------------------------------------------------------------------------------------------------------------------
Net asset value at end of period                           $1.00                     $1.00                      $1.00
- ---------------------------------------------------------------------------------------------------------------------------

- ---------------------------------------------------------------------------------------------------------------------------
Total return*                                              2.30%                     2.22%                      1.43%
- ---------------------------------------------------------------------------------------------------------------------------

- ---------------------------------------------------------------------------------------------------------------------------
Net assets at end of period (in thousands)                   $10                    $1,988                        $10
Average net assets for the period (in thousands)              $9                      $544                        $10
Ratio of expenses to average net assets**               0.40%(6)                  0.40%(6)                   0.40%(6)
Ratio of net investment income to average net assets**     5.21%                     4.52%                      2.85%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>
*Total return is not annualized for periods of less than one year
**Annualized
(1)  Fiscal period February 15, 1995 (inception) to October 31, 1995
(2)  Fiscal period April 17, 1995 (inception) to October 31, 1995
(3)  Fiscal period November 22, 1996 (inception) to April 30, 1996.
(4)  The ratio was .70% before voluntary reduction of fees.
(5)  The ratio was .35% before voluntary reduction of fees.
(6)  The ratio was .60% before voluntary reduction of fees.

See Notes to Financial Statements

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 29
<PAGE>


                        NOTES TO SCHEDULE OF INVESTMENTS

Adjustable Rate Preferred Stock Dividend Rates are as of 4/30/97

*Non-Income producing security

**A portion of this  security  has been  segregated  by the  custodian  to cover
margin or  segregation  requirements  on open futures  contracts  and/or forward
currency contracts.

+Securities  are  registered  pursuant  to Rule  144A  and may be  deemed  to be
restricted for resale.

1)   Variable Rate Notes. The interest rate,  which is based on specific,  or an
     index of,  market  interest  rates,  is  subject  to  change.  Rates in the
     security description are as of April 30, 1997.
2)   Money Market Funds may hold  securities  with stated  maturities of greater
     than one year, when those  securities have features which allow the Fund to
     "put" back the  security to the issuer or to a third party within a year of
     acquisition.  The maturity date shown in the security  descriptions are the
     stated maturity dates.
3)   Repurchase  Agreements held by the Fund are fully  collateralized  and such
     collateral is in the possession of the Fund's custodian.  The collateral is
     evaluated daily to ensure its market value exceeds the current market value
     of the repurchase agreements including accrued interest.

                          NOTES TO FINANCIAL STATEMENTS

The following  section  describes the  organization  and significant  accounting
policies of the funds and provides more detailed information about the schedules
and tables that appear  throughout this report.  In addition,  the Notes explain
how the funds  operate and the methods used in  preparing  and  presenting  this
report.

1. Organization and Significant Accounting Policies
     Janus  Investment  Fund (the  "Trust") is registered  under the  Investment
Company  Act  of  1940  (the  "1940  Act")  as a  no-load,  open-end  management
investment  company.  Four series of shares (the "Bond Funds")  included in this
report  invest  primarily in income  producing  securities,  and three series of
shares (the "Money Market  Funds")  invest  exclusively  in  high-quality  money
market instruments.
     "Investor  Shares" are available to the general  public and  "Institutional
Shares" are available only to investors that meet the $250,000  minimum  account
size, and allow wire transactions only.
     Effective November 22, 1996 Janus Money Market Fund, Janus Government Money
Market Fund and Janus Tax-Exempt Money Market Fund began offering a new class of
shares - "Service  Shares."  Service  Shares are available  exclusively  through
banks and other financial institutions.
     Effective January 31, 1997 Janus Intermediate Government Securties Fund was
liquidated. A special shareholder meeting was held on January 21, 1997 approving
the liquidation and distribution of proceeds to shareholders.
     The following policies have been consistently followed by the Funds and are
in conformity with accounting  principles  generally  accepted in the investment
company industry.

Investment Valuation
     Securities  are  valued at the  closing  price for  securities  traded on a
principal  exchange  (U.S.  or  foreign)  and on  the  NASDAQ  National  Market.
Securities traded on over-the-counter markets and listed securities for which no
sales are  reported  are  valued at the  latest  bid price (or yield  equivalent
thereof)  obtained from one or more dealers making a market for such  securities
or by a pricing service approved by the Funds' Trustees.  Short-term investments
maturing  within 60 days for the Bond Funds and all money market  securities  in
the Money Market Funds are valued at amortized cost, which  approximates  market
value.  Foreign securities are converted to U.S. dollars using exchange rates at
the close of the New York Stock Exchange. When market quotations are not readily
available,  securities  are valued at fair value as  determined in good faith by
the Funds' Trustees.

Investment Transactions and Investment Income
     Investment transactions are accounted for as of the date purchased or sold.
Dividend  income is recorded on the  ex-dividend  date.  Certain  dividends from
foreign  securities  will be  recorded  as soon as the Trust is  informed of the
dividend if such  information is obtained  subsequent to the  ex-dividend  date.
Interest  income is recorded on the accrual basis and includes  amortization  of
discounts and premiums.  Gains and losses are determined on the identified  cost
basis, which is the same basis used for federal income tax purposes.

Forward Currency Transactions and Futures Contracts
     The Funds enter into  forward  currency  contracts in order to reduce their
exposure  to  changes  in  foreign  currency  exchange  rates on  their  foreign
portfolio holdings and to lock in the U.S. dollar cost of firm purchase and sale
commitments for securities denominated in foreign currencies. A forward currency
contract is a commitment to purchase or sell a foreign currency at a future date
at a negotiated  forward  rate.  The gain or loss  arising  from the  difference
between  the U.S.  dollar  cost of the  original  contract  and the value of the
foreign  currency in U.S.  dollars upon closing of such  contract is included in
net realized gain or loss on foreign currency transactions.
     Forward currency  contracts held by the Funds are fully  collateralized  by
other securities which are denoted in the accompanying  schedule of investments.
Such collateral is in the possession of the Fund's custodian.  The collateral is
evaluated  daily to ensure its market value equals or exceeds the current market
value of the corresponding forward currency contracts.

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 30
<PAGE>

                          NOTES TO FINANCIAL STATEMENTS

     Currency gain and loss is also calculated on payables and receivables  that
are  denominated  in  foreign  currencies.  The  payables  and  receivables  are
generally related to security transactions and income.
     Futures  contracts are marked to market daily and the  variation  margin is
recorded as an unrealized  gain or loss.  When a contract is closed,  a realized
gain or loss is recorded equal to the difference between the opening and closing
value of the contract.  Generally, open forward and futures contracts are marked
to market for federal income tax purposes at fiscal year end.
     Foreign  denominated assets and forward currency contracts may involve more
risks than  domestic  transactions,  including:  currency  risk,  political  and
economic  risk,  regulatory  risk,  and  market  risk.  Risks may arise from the
potential  inability of a counterparty  to meet the terms of a contract and from
unanticipated  movements in the value of foreign currencies relative to the U.S.
dollar.
     The Funds may enter into "futures  contracts"  and "options" on securities,
financial indices, and foreign currencies;  forward contracts; and interest rate
swaps  and  swap-related  products.  The  Funds  intend  to use such  derivative
instruments  primarily to hedge or protect from adverse  movements in securities
prices,  currency  rates or interest  rates.  The use of futures  contracts  and
options  may  involve  risks  such as the  possibility  of  illiquid  markets or
imperfect  correlation  between the value of the  contracts  and the  underlying
securities, or that the counterparty will fail to perform its obligations.

Additional Investment Risk
     Janus  High-Yield  Fund and Janus  Flexible  Income Fund may be invested in
lower-rated  debt securities that have a higher risk of default or loss of value
due to changes in the economy or in their respective industry.

Dividend Distributions and Expenses
     Dividends are declared daily and distributed monthly.  Each Bond Fund bears
expenses  incurred  specifically  on its  behalf as well as a portion of general
expenses.

Federal Income Taxes
     The Funds  intend to  distribute  to  shareholders  all taxable  investment
income and realized  gains and otherwise  comply with the Internal  Revenue Code
applicable  to  regulated   investment   companies.   Of  the  ordinary   income
distributions  declared for the year ended  October 31,  1996,  100% were exempt
from federal income taxes for Janus Federal Tax-Exempt Fund and Janus Tax-Exempt
Money Market Fund.

Estimates
     The  preparation  of financial  statements  in  conformity  with  generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  affect  the  reported  amount of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements and the reported  amounts of income and expenses during the reporting
period. Actual results could differ from those estimates.

2. Investment Advisory Agreement and Other Transactions with Affiliates
     The advisory agreement with the Bond Funds spells out the expenses that the
Funds must pay. Each of the Funds are subject to the following schedule:

                            Average Daily Net   Annual Rate        Expense Limit
Fee Schedule                Assets of Fund    Percentage (%)      Percentage (%)
- --------------------------------------------------------------------------------
Janus Flexible Income Fund  First $300 Million           .65               1.00*
                            Over $300 Million            .55
- --------------------------------------------------------------------------------
Janus High-Yield Fund       First $300 Million           .75               1.00*
                            Over $300 Million            .65
- --------------------------------------------------------------------------------
Janus Federal               First $300 Million           .60                .65*
Tax-Exempt Fund             Over $300 Million            .55
- --------------------------------------------------------------------------------
Janus Short-Term Bond Fund  First $300 Million           .65                .65*
                            Over $300 Million            .55
- --------------------------------------------------------------------------------
*Janus  Capital  will waive  certain  fees and  expenses  to the extent that net
expenses exceed the stated limits.

     Each of the Money Market Funds pays Janus Capital .20% of average daily net
assets as an investment  advisory fee. Janus Capital has  voluntarily  agreed to
reduce its advisory  fee for the Janus Money Market Funds to .10%.  In addition,
each  class  of  shares  of  each  Money  Market  Fund  pays  Janus  Capital  an
administrative  fee. This fee is .50%, .40% and .15% of average daily net assets
for the investor shares,  service shares, and institutional shares respectively.
Janus Capital has voluntarily  agreed to reduce the  administrative  fee to .05%
and .30% on the institutional shares and service shares respectively.  All other
expenses of the Money Market Funds,  except  Trustees  fees and expenses,  audit
fees and interest expenses, are paid by Janus Capital.
     Janus Service  Corporation  (Janus  Service),  a wholly owned subsidiary of
Janus  Capital,  receives  an annual fee of 0.16% of average net assets per fund
plus  $4.00 per  shareholder  account  from each  Bond Fund for  transfer  agent
services plus reimbursement of certain out of pocket expenses.
     Officers  and  certain  trustees  of the  Funds are also  officers  and/ or
directors  of Janus  Capital;  however,  they receive no  compensation  from the
Funds.
     DST Systems Inc.  (DST),  an affiliate of Janus Capital through a degree of
common ownership, provides fund accounting and shareholder accounting systems to
the Funds  through  Janus  Capital and Janus  Service.  Fees paid to DST for the
period ended April 30, 1997 are noted below.

DST Fees
- --------------------------------------------------------
Janus Flexible Income Fund                      $136,044
- --------------------------------------------------------
Janus High-Yield Fund                             35,267
- --------------------------------------------------------
Janus Federal Tax-Exempt Fund                     22,710
- --------------------------------------------------------
Janus Short-Term Bond Fund                        25,861
- --------------------------------------------------------

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 31
<PAGE>

                          NOTES TO FINANCIAL STATEMENTS

3. Federal Income Tax
     The funds  have  elected  to treat  gains and  losses on  forward  currency
contracts as capital gains and losses.  Other foreign  currency gains and losses
on debt  instruments  are  treated as  ordinary  income for  federal  income tax
purposes pursuant to Section 988 of the Internal Revenue Code.
     Net  capital  loss  carryovers  noted  below as of October  31,  1996,  are
available to offset  future  realized  capital  gains and thereby  reduce future
taxable gains  distributions.  These carryovers expire between October 31, 2001,
and October 31, 2003. The aggregate cost of investments  and the  composition of
unrealized  appreciation and  depreciation of investment  securities for federal
income tax purposes as of April 30, 1997, are as follows:

<TABLE>
<CAPTION>
                                             at October 31, 1996                       at April 30, 1997
                                             -------------------   ----------------------------------------------------------
                                                                                                                     Net
                                               Net Capital Loss     Federal Tax    Unrealized     Unrealized    Appreciation/
                                                  Carryovers            Cost      Appreciation  (Depreciation) (Depreciation)
- -----------------------------------------------------------------------------------------------------------------------------
<S>                                               <C>              <C>             <C>          <C>              <C>       
Janus Flexible Income Fund                                  --     $624,053,656    $8,480,725   $(7,981,415)     $  499,310
- -----------------------------------------------------------------------------------------------------------------------------
Janus High-Yield Fund                                       --      218,688,758     3,023,575    (1,344,012)      1,679,563
- -----------------------------------------------------------------------------------------------------------------------------
Janus Federal Tax-Exempt Fund                     $(1,524,504)       48,853,272       494,443      (357,059)        137,384
- -----------------------------------------------------------------------------------------------------------------------------
Janus Short-Term Bond Fund                         (3,229,981)       45,421,627        63,468      (154,665)       (91,197)
- -----------------------------------------------------------------------------------------------------------------------------
</TABLE>

             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 32
<PAGE>

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             JANUS INCOME FUNDS APRIL 30, 1997 SEMIANNUAL REPORT 33
<PAGE>


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