RBB FUND INC
N-30D, 1998-11-09
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                                 [LOGO OMITTED]
                                       bp
                     BOSTON PARTNERS ASSET MANAGEMENT, L. P.
                                ----------------




                                 BOSTON PARTNERS
                                    LARGE CAP

                                   VALUE FUND

                                 BOSTON PARTNERS

                                     MIDCAP

                                   VALUE FUND

                                 BOSTON PARTNERS
                                    MICRO CAP

                                   VALUE FUND

                                 BOSTON PARTNERS
                                    BOND FUND

                                  Annual Report
                                 August 31, 1998

<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                           PORTFOLIO MANAGER'S LETTER

September 15, 1998

Dear Shareholders:

     We are pleased to provide the report on the results of the Boston  Partners
Large Cap Value, Mid Cap Value, Micro Cap Value and Bond Funds for the six month
period ended August 31, 1998. Our objective in each letter will be to update you
on the results of the Funds,  the stock  market,  and the economy  over the past
period and to  provide  you with our  insights  as to what you may expect in the
future.

PORTFOLIO REVIEW
LARGE CAP VALUE FUND

     At August 31, 1998, the Large Cap Value Fund's Institutional Shares and the
Large Cap Value  Fund's  Investor  Shares  Net Asset  Value  performance  was as
follows:

<TABLE>
<CAPTION>
                                            SIX MONTHS ENDING   SINCE INCEPTION* THROUGH
                                             AUGUST 31, 1998         AUGUST 31, 1998
                                            -----------------   ------------------------
<S>                                             <C>                          <C>  
Large Cap Value Fund Institutional Shares       (18.87)%                      6.97%
S&P500 Index(1)                                  (8.10)%                     18.63%
Large Cap Value Fund Investor Shares            (18.88)%                      5.75%
S&P 500 Index(1)                                 (8.10)%                     15.69%
<FN>

   * Large Cap Value Fund Institutional Shares Inception Date - January 2, 1997
   * Large Cap ValueFund Investor Shares Inception Date - January 16, 1997
(1)  The  S&P 500  Index  is an  unmanged  index  (with  no  defined  investment
     objective) of common stocks,  includes reinvestment of dividends,  and is a
     registered trademark of the Standard and Poor's Corporation.
</FN>
</TABLE>

Returns are  historical and include  change in share price and  reinvestment  of
dividends and capital gains.  Past performance  cannot guarantee future results.
Returns and share price will fluctuate, and redemption value may be more or less
that the original  cost.  More complete  information  about the Fund,  including
charges  and  expenses,  is provided in the  prospectus,  which must  precede or
accompany this fact sheet and which should be read carefully  before  investing.
You may obtain additional copies by calling Boston Partners Asset Management, L.
P. at 1-888-261-4073.

     In  July  and  August  1998,  the  world  economy  further  proved  that  a
substantial  economic  earthquake in one part of the world,  can generate  waves
strong enough to shake the entire globe. With the epicenter being the corruption
of the Japanese  banks which  erupted  almost one year ago, the turmoil made its
way through  Russia,  South  America,  and the United  States.  The U.S.  equity
markets were hurt  through a series of events  including  insufficient  Japanese
financial restructuring, worries in the White House, and concerns over corporate
earnings.

     For the six months ending August 1998,  value-style  investing continued to
underperform  growth-style  investing.  The  underperformance of value investing
during a period of downside  volatility is not unprecedented;  the poor relative
performance of low P/E stocks often precedes a business cycle peak by six months
and this year it has been exacerbated by the weak performance of finance stocks.
In the  initial  stages of a market  sell-off,  every  stock  gets hit with some
exceptions  such as  Utilities,  a defensive  sector,  and the liquid,  mega cap
securities.  As  investors  move in droves  to these  defensive  assets,  Boston
Partners believes our portfolios can benefit from the resulting pockets of value
left behind from the exodus.

<PAGE>

     The  market's  poor  overall   performance  and,  more  specifically,   the
underperformance  of the value  investment style hurt the Large Cap Value Equity
Fund. The Fund also lagged the benchmark  because of the "market cap effect." To
explain the "market cap  effect," it is  important  to look more  closely at the
stocks  that  drove  the S&P 500 Index in the third  quarter.  As in the  second
quarter,  the S&P 500  Index's  top  decile in market  capitalization  size ($36
billion  and up) drove  the  index.  For  example,  the top  decile in the third
quarter  of  1998  returned  16.5%.  In  stark  contrast,  the  smallest  market
capitalization  decile  in the S&P 500  Index  had a return  of  -35.8%  for the
quarter.  The  largest,  large caps were the winners  throughout  the six months
ending August 31, 1998; however,  there are signs that the rise of the mega caps
may not  continue.  The Large Cap Value  Equity  Fund did not hold the mega caps
that continued to climb because of their growth-like  characteristics.  The Fund
is built through an individual  stock  selection  process.  We look to build the
portfolio  by investing  in  companies  that offer value and  positive  business
momentum.  In managing the Fund,  we have found that the stocks that offered the
characteristics appropriate to our investment process were stocks in the $10-$20
billion  capitalization  range.  Additionally,  the  mega  cap  stocks  may have
performed well, even as their bottom lines looked grim, partially as a result of
the rush of nervous investors into stocks which provide  substantial  liquidity.
However,  the once  untouchable  mega cap stocks are  beginning to show signs of
weakness with big names such as Coca Cola, General Electric, Gillette and Lucent
Technologies  posting negative returns for the third quarter of 1998. These mega
caps negative returns seem to suggest a change in the trend.

     The Large Cap Value Equity Fund was slightly  over  weighted in the Finance
sector  which  hurt the  overall  portfolio;  this is in sharp  contrast  to the
sector's  performance  earlier  in the  year  where  Finance  was  the  greatest
contributor to the portfolio.  Consumer  Non-Durables,  though negative,  helped
buoy the portfolio as the strongest  performer with the sector return surpassing
the index's performance. Some of the contributors to the Fund include: Johnson &
Johnson  and Abbot  Laboratories  in the  Healthcare  sector;  American  Stores,
Albertsons Inc., and Tele-Comm TCI Group in Consumer Services;  AT&T Corporation
and MCI  Communications  in  Telecommunications,  and  Niagara  Mohawk  Power in
Energy.

CURRENT OUTLOOK

     While braving the economic  earthquake  shaking the world  economy,  Boston
Partners is confident that by sticking to our value discipline,  we are building
and maintaining a portfolio of companies with business foundations strong enough
to  withstand  the  tremors.  We are  building  your  portfolio  based  on three
fundamentals: companies that are undervalued, have strong business fundamentals,
and positive business momentum.  The companies in the portfolio are selected for
investment because they fit our criteria.  As long term investment managers,  we
believe the  portfolio we have built  continues  to honor our value  philosophy.
Furthermore,  we believe that our philosophy  will provide  competitive  returns
over time.

MID CAP VALUE FUND

     At August 31, 1998, the Mid Cap Value Fund's  Institutional  Shares and the
Mid Cap Value Fund's Investor Shares Net Asset Value performance was as follows:

<TABLE>
<CAPTION>
                                              SIX MONTHS ENDING      SINCE INCEPTION*
                                               AUGUST 31, 1998    THROUGH AUGUST 31, 1998
                                              -----------------   -----------------------
<S>                                                   <C>                    <C>    
Mid Cap Value Fund Institutional Shares               (23.98)%               (3.15)%
Mid Cap Value Fund Investor Shares                    (23.91)%               (3.19)%
Russell 2500 Growth Index(1)                          (24.41)%               (5.74)%
<FN>
*    Mid Cap Value Fund  Institutional  Shares and Mid Cap Value Investor Shares
     Inception Date - June 2, 1997
(1)  The Russell  2500 Index is an unmanaged  Index (with no defined  investment
     objective) of common stocks,  includes reinvestment of dividends,  and is a
     registered trademark of the Frank Russell Company.
</FN>
</TABLE>

Returns are  historical and include  change in share price and  reinvestment  of
dividends and capital gains.  Past performance  cannot guarantee future results.
Returns and share price will fluctuate, and redemption value may be more or less
that the original  cost.  More complete  information  about the Fund,  including
charges  and  expenses,  is provided in the  prospectus,  which must  precede or
accompany this fact sheet and which should be read carefully  before  investing.
You may obtain additional copies by calling Boston Partners Asset Management, L.
P. at 1-888-261-4073.

                                       2
<PAGE>

     The six months ended August 1998 proved to be another  rocky period for mid
cap  securities.  With the Russell 2500 Growth Index and the Russell 2000 Growth
Index  trailing  the S&P 500 Index by 1631 basis  points  and 1838 basis  points
respectively,  the  disheartened  milieu that  permeated all areas of the market
increased as the market cap decreased.  The contamination  which spread from the
Asian  economies  through Russia and Latin America  continued to plague the U.S.
markets,  and the overall effect hurt smaller  capitalization  securities  which
are, by  character,  more  volatile and more  sensitive to market  mayhem.  Fear
triggered by substantial corrections throughout the second and third quarters of
1998 sent investors fleeing into the very large, seemingly secure, liquid equity
securities. The sell-off has allowed prices to fall; however, the falling prices
have also created a climate in which undervalued securities are abundant.

     The Fund's performance can be attributed  primarily to good stock selection
within Consumer  Services,  an underweighting in Technology,  and an increase in
Utilities. Although generally overweighted, we began to trim the finance sector.
The  trimming  of  the  Finance   sector  can  be  attributed   primarily  to  a
deterioration in many of the holdings'  fundamentals,  or a  slowing-to-negative
business  momentum.  The Utility  sector,  a popular "safe haven" during falling
markets,  was  increased  due to added  investments  in  companies  with  strong
business fundamentals and positive business momentum. Consumer Non-Durables,  an
overweighted  sector,  performed  poorly  which hurt the  portfolio.  Similarly,
Consumer Durables, a slightly  overweighted  sector,  performed poorly primarily
due to major  price  drops in  fundamentally  strong  companies  such as Black &
Decker  Corporation,  Federal Mogul  Corporation,  Lear Corporation,  and Lennar
Corporation.  Despite the strong fundamentals of these companies, these holdings
lost significant ground during the month of August.

     The  contributors  to the Fund include:  Louisiana-Pacific  Corporation  in
Basic  Industries;  Litton  Industries  Inc.  and Newport News  Shipbuilding  in
Capital Goods;  Performance  Food Group Co. in Consumer  Non-Durables;  Valassis
Communications Inc. and ShopKo Stores in Consumer Services; and Allergan Inc. in
Health  Care.  Some of the new  holding and  increased  holdings  include:  Ball
Corporation,  Clayton Homes Inc., D.R. Horton Inc.,  Dillard  Department  Stores
Inc.,  Food  Lion,  Lear  Group,  Niagara  Mohawk  Power  Corporation,  and Viad
Corporation.  Some of the  portfolio's  sells,  partial or total,  include AMBAC
Financial  Group,  Burlington Coat Factory,  First Virginia Banks, and Whirlpool
Corporation.

CURRENT OUTLOOK

     Boston  Partners  does not attempt to time the  market,  nor can we predict
when  the  market  will  turn.  We do know,  however,  that  the  recent  market
corrections have created substantial buying  opportunities,  and we plan to take
advantage of this positive  aspect of a tough market.  Additionally,  as markets
move in cycles,  what goes down,  should also go up. We strive to hold companies
that have laid the groundwork to prosper when the market cycles turns.

     Additionally,  because of the  volatility in the domestic  market,  and the
trouble in overseas markets,  Boston Partners is carefully evaluating all of the
Fund's  current  holdings.  We are  analyzing  the  companies'  exposure  to the
troubles  overseas.  An important  fundamental  required of our  investments  is
business  momentum;  therefore,  we are  continuing  to  carefully  examine  our
holdings in that  respect.  In a period of declining  corporate  profits,  it is
important to hold companies whose earnings can be readily identified.

     Most  importantly,  Boston  Partners  remains  committed  to  strict  value
investing.  We pick stocks  individually  based on three criteria:  value, solid
business  fundamentals,  and positive business momentum.  We carefully watch our
holdings to be sure that the companies  meet these three  criteria while held in
the Fund. As long term  investors,  Boston  Partners views the market's  current
drop as an  opportunity  to find new  companies  that  fulfill our  value-driven
investment criteria.

                                       3
<PAGE>

MICRO CAP VALUE FUND

     At August 31, 1998, the Micro Cap Value Fund's Institutional Shares and the
Micro Cap Value  Fund's  Investor  Shares  Net Asset  Value  performance  was as
follows:

                                                           SINCE INCEPTION*
                                                        THROUGH AUGUST 31, 1998
                                                        -----------------------
Micro Cap Value Fund Institutional Shares                       (23.80)%
Micro Cap Value Fund Investor Shares                            (23.70)%
Russell 2000 Growth Index(1)                                    (25.94)%

*    Micro Cap Value  Fund  Institutional  Shares  and Micro Cap Value  Investor
     Shares Inception Date - July 1, 1998
(1)  The  Russell  2000  Growth  Index is an  unmanged  index  (with no  defined
     investment objective) of common stocks, includes reinvestment of dividends,
     and is a registered trademark of the Frank Russell Company.

Returns are  historical and include  change in share price and  reinvestment  of
dividends and capital gains.  Past performance  cannot guarantee future results.
Returns and share price will fluctuate, and redemption value may be more or less
that the original  cost.  More complete  information  about the Fund,  including
charges  and  expenses,  is provided in the  prospectus,  which must  precede or
accompany this fact sheet and which should be read carefully  before  investing.
You may obtain additional copies by calling Boston Partners Asset Management, L.
P. at 1-888-261-4073.

     In July and August 1998, the corruption of the Asian economies contaminated
economies  worldwide.  From mega capitalizations to micro  capitalizations,  the
disparity across the broad market was tremendous.  It was apparent that the more
volatile,  smaller capitalization  securities responded more dramatically to the
down  market.  As the small caps  fell,  so went the micro  caps.  The first two
months for the Boston Partners' Micro Cap Value Fund were difficult.

     At the  inception  of the  Micro  Cap Value  Fund,  we built a  value-based
portfolio of companies with solid business  fundamentals  and positive  business
momentum.  For the first two  months,  the  portfolio  was  overweighted  in the
financial  sector,  a sector  where we found  attractive  valuations  and  sound
business  momentum.  However,  from the very large  companies to the small,  the
financial  sector  underperformed  expectations  as it was  effected by overseas
problems and domestic worries.  The portfolio was underweighted in Technology as
we found a general  slowing of business  momentum  throughout  the  sector,  and
therefore,  few  companies  could  fulfill  our  investment  criteria.   Despite
especially  difficult  market  conditions,  the Micro Cap Value Fund maintains a
portfolio with long term inherent value. With the average weighted price to book
ratio at 1.1x, and the price to earning ratio at 10.6x, the portfolio is true to
our value investing style.

     In the Consumer  Service sector,  Boston  Partners' Micro Cap Value Fund is
finding  select  undervalued  companies with strong  fundamentals  in the retail
industry.   Catherine's  Stores  Corporation,  a  specialized  women's  clothing
retailer, sells at 72% of book value, and 9x earnings. As a result of changes in
merchandise and a strong marketing campaign,  Catherine's Stores Corporation has
continued to beat estimates in 1998 and same store sales have grown in excess of
9%. Catherine's Stores fulfills our investing  criteria  substantially;  it is a
company with strong fundamentals and positive business momentum. In the Consumer
Durables sector, M/I Schottenstein,  a homebuilder located in the mid-west,  was
selling at 1.2x book value,  and 7x earnings as of August 31, 1998.  The company
has surpassed  earnings  estimates  this year as the company's  strong  business
fundamentals  led the  company  to  benefit  from a boost in the  home  building
industry.  Both Catherine's  Stores and M/I  Schottenstein are in the Fund's top
ten holdings.

CURRENT OUTLOOK

     Boston  Partners'  Micro Cap Value Fund  remains  committed to strict value
investing.  We pick stocks  individually  based on three criteria:  value, solid
business  fundamentals,  and positive business momentum.  We carefully watch our
holdings to be sure that the companies in the Fund meet these three criteria. As
long term  investors,  Boston  Partners  views the  market's  current drop as an
opportunity  to find new  companies  that  fulfill our  value-driven  investment
criteria.  Within the Micro Cap  universe,  we expect to find value in companies
that we believe  will  withstand  down markets and prosper when the market cycle
reverses.

                                       4
<PAGE>

BOND FUND

     At August  31,  1998,  the Bond  Fund's  Institutional  Shares and the Bond
Fund's Investor Shares Net Asset Value performance was as follows:

                                   SIX MONTHS ENDING   SINCE INCEPTION* THROUGH
                                    AUGUST 31, 1998         AUGUST 31, 1998
                                   -----------------   ------------------------
Bond Fund Institutional Shares           3.11%                   4.79%
Bond Fund Investor Shares                3.00%                   4.63%
Lehman Aggregate Index(1)                4.58%                   5.84%

*    Bond Fund Institutional Shares and Bond Fund Investor Shares Inception Date
     - December 30, 1997
(1)  The Lehman Aggregate Index is an unmanged index (with no defined investment
     objective)  containing fixed rate debt securities rated investment grade or
     higher by Moody's Investors Service, Standard & Poors Corporation, or Fitch
     Investors  Service,  in that  order.  All issues  have at least one year to
     maturity and an outstanding  par value of at least $100 million.  The Index
     is a registered trademark of the Lehman Brothers, Inc.

Returns are  historical and include  change in share price and  reinvestment  of
dividends and capital gains.  Past performance  cannot guarantee future results.
Returns and share price will fluctuate, and redemption value may be more or less
that the original  cost.  More complete  information  about the Fund,  including
charges  and  expenses,  is provided in the  prospectus,  which must  precede or
accompany this fact sheet and which should be read carefully  before  investing.
You may obtain additional copies by calling Boston Partners Asset Management, L.
P. at 1-888-261-4073.

     The flight to quality  seen early in the year,  escalated  with a vengeance
during July and August 1998.  While U.S.  Treasury rates dropped to record lows,
producing large price gains, interest rates on emerging market and lower quality
high yield issues moved higher,  producing  large losses for the holders of such
debt.  The spark was a  moratorium  on debt  payments in Russia,  and the damage
spread to Latin America and  ultimately to most lower quality and/or less liquid
debt issues  worldwide.  As a result,  Treasury prices vaulted higher and nearly
all other sectors lagged during the quarter.

     Turmoil in overseas markets rippled through U.S. financial markets, hurting
leveraged entities such as banks, broker dealers,  and hedge funds. Stock prices
fell. With Treasuries  yielding less than the Federal Funds rate, the market was
anticipating a rate cut (which did occur in September).  While the rapid drop in
Treasury  rates and  weakness in  corporate  debt issues  appear at odds with an
economy humming along at full employment,  the market is discounting much worse.
The sharp drop in new issues for both equities and bonds and general  absence of
liquidity  could make this  self-fulfilling.  The higher cost of borrowing,  for
example,  will hurt Latin America  countries,  boosting  their fiscal  deficits,
pressuring  their  currencies,  further  slowing  their  economies,   inhibiting
external investment, and creating a vicious circle. In this troubled environment
Treasuries have been the safe haven.

CURRENT OUTLOOK

     As a result of the  realignment of prices and risk premiums  throughout the
bond market,  we have adjusted  portfolios  but not our overall  strategies.  We
remain  overweighted  in the  corporate  and  mortgage  sectors and have thereby
increased the yield  advantage  over our  benchmarks.  The  adjustments  involve
upgrading  quality and  liquidity  in our  corporate  segment and moving down in
mortgage coupon in the mortgage  segment in order to limit  prepayment risk. Our
portfolios remain duration and yield curve neutral.  These moves have helped our
performance.

     The views of the Funds'  management  are as of the date of the  letters and
portfolio  holdings  described in this annual  report are as of August 31, 1998.
These views and portfolio  holdings may have changed  subsequent to these dates.
Nothing  in  this  annual  report  is  a  recommendation  to  purchase  or  sell
securities.

                                       5
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              LARGE CAP VALUE FUND

             Comparison of Change in Value of $10,000 investment in
         Boston Partners Large Cap Value Institutional Class (1)(2) vs.
                              S&P 500 Stock Index

          Large Cap Value Fund --            S&P 500
            Institutional Class            Stock Index
- --------------------------------------------------------------------------------
1/2/97             10,000                    10,000
2/28/97            10,620                    10,708
5/31/97            11,360                    11,543
8/31/97            12,460                    12,291
11/30/97           12,810                    13,112
2/28/98            13,786                    14,458
5/31/98            13,828                    15,088
8/31/98            11,185                    13,288

Past performance is not predictive of future performance

- --------------------------------------------------------------------------------
                             Total Returns

                                               One Year Ended        Average
                                               August 31, 1998      Annual(3)
                                               ---------------      ---------
Large Cap Value Fund -- Institutional Class        (10.23%)            6.97%
S&P 500 Stock Index                                  8.11%            18.64%
- --------------------------------------------------------------------------------

- ---------------
(1)  The chart assumes a hypothetical $10,000 initial investment in the Fund and
     reflects  all  Fund  expenses.Investors  should  note  that  the Fund is an
     aggressively  managed  mutual fund while the index is either  unmanaged and
     does not incur expenses and/or is not available for investment.
(2)  Boston Partners Asset  Management L.P. waived a portion of its advisory fee
     and  voluntarily  agreed to  reimburse  a portion of the  Fund's  operating
     expenses, if necessary,  to maintain the expense limitation as set forth in
     the notes to the  financial  statements.  Total  returns  shown include fee
     waivers and expense  reimbursements,  if any; total returns would have been
     lower  had  there  been no  assumption  of fees and  expenses  in excess of
     expense limitations.
(3)  Aggregate   return  for  the  period  January  2,  1997   (commencement  of
     operations) through August 31, 1998.

                                       6
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              LARGE CAP VALUE FUND

             Comparison of Change in Value of $10,000 investment in
  Boston Partners Large Cap Value Investor Class (1)(2) vs. S&P 500 Stock Index

                   Large Cap Value Fund --            S&P 500
                      Investor Class                Stock Index
- --------------------------------------------------------------------------------
01/16/97                   10,000                      10,000
02/28/97                   10,412                      10,300
05/31/97                   11,127                      11,103
08/31/97                   12,206                      11,823
11/30/97                   12,549                      12,612
2/28/98                    13,500                      13,907
5/31/98                    13,551                      14,513
8/31/98                    10,951                      12,781

Past performance is not predictive of future performance

- --------------------------------------------------------------------------------
                             Total Returns

                                               One Year Ended        Average
                                               August 31, 1998      Annual(3)
                                               ---------------      ---------
Large Cap Value Fund -- Investor Class             (10.28%)            5.75%
S&P 500 Stock Index                                  8.11%            16.30%
- --------------------------------------------------------------------------------

- ---------------
(1)  The chart assumes a hypothetical $10,000 initial investment in the Fund and
     reflects  all  Fund  expenses.Investors  should  note  that  the Fund is an
     aggressively  managed  mutual fund while the index is either  unmanaged and
     does not incur expenses and/or is not available for investment.
(2)  Boston Partners Asset  Management L.P. waived a portion of its advisory fee
     and  voluntarily  agreed to  reimburse  a portion of the  Fund's  operating
     expenses, if necessary,  to maintain the expense limitation as set forth in
     the notes to the  financial  statements.  Total  returns  shown include fee
     waivers and expense  reimbursements,  if any; total returns would have been
     lower  had  there  been no  assumption  of fees and  expenses  in excess of
     expense limitations.
(3)  Aggregate  return  for  the  period  January  16,  1997   (commencement  of
     operations) through August 31, 1998.

                                       7
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                               MID CAP VALUE FUND

             Comparison of Change in Value of $10,000 investment in
 Boston Partners Mid Cap Value Institutional Class (1)(2) vs. Russell 2500 Index

                    Mid Cap Value Fund --            S&P 500
                     Institutional Class            Stock Index
- --------------------------------------------------------------------------------
6/3/97                     10,000                     10,000
8/31/97                    11,010                     11,172
11/30/97                   11,240                     11,420
2/28/98                    12,632                     12,289
5/31/98                    12,857                     12,280
8/31/98                     9,604                      9,290

Past performance is not predictive of future performance

- --------------------------------------------------------------------------------
                             Total Returns

                                               One Year Ended        Average
                                               August 31, 1998      Annual(3)
                                               ---------------      ---------
Mid Cap Value Fund -- Institutional Class          (12.73%)          (3.15%)
Russell 2500 Index                                 (16.84%)          (5.74%)
- --------------------------------------------------------------------------------

- --------------
(1)  The chart assumes a hypothetical $10,000 initial investment in the Fund and
     reflects  all  Fund  expenses.Investors  should  note  that  the Fund is an
     aggressively  managed  mutual fund while the index is either  unmanaged and
     does not incur expenses and/or is not available for investment.
(2)  Boston Partners Asset  Management L.P. waived a portion of its advisory fee
     and  voluntarily  agreed to  reimburse  a portion of the  Fund's  operating
     expenses, if necessary,  to maintain the expense limitation as set forth in
     the notes to the  financial  statements.  Total  returns  shown include fee
     waivers and expense  reimbursements,  if any; total returns would have been
     lower  had  there  been no  assumption  of fees and  expenses  in excess of
     expense limitations.
(3)  Aggregate  return for the period June 2, 1997  (commencement of operations)
     through August 31, 1998.

                                       8
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                               MID CAP VALUE FUND

             Comparison of Change in Value of $10,000 investment in
   Boston Partners Mid Cap Value Investor Class (1)(2) vs. Russell 2500 Index

                    Mid Cap Value Fund --            S&P 500
                       Investor Class              Stock Index
- --------------------------------------------------------------------------------
6/3/97                     10,000                    10,000
8/31/97                    11,010                    11,172
11/30/97                   11,240                    11,420
2/28/98                    12,632                    12,289
5/31/98                    12,857                    12,280
8/31/98                     9,604                     9,290

Past performance is not predictive of future performance

- --------------------------------------------------------------------------------
                             Total Returns

                                               One Year Ended        Average
                                               August 31, 1998      Annual(3)
                                               ---------------      ---------
Mid Cap Value Fund -- Investor Class               (12.77%)          (3.19%)
Russell 2500 Index                                 (16.84%)          (5.74%)
- --------------------------------------------------------------------------------

- -----------------
(1)  The chart assumes a hypothetical $10,000 initial investment in the Fund and
     reflects  all  Fund  expenses.Investors  should  note  that  the Fund is an
     aggressively  managed  mutual fund while the index is either  unmanaged and
     does not incur expenses and/or is not available for investment.
(2)  Boston Partners Asset  Management L.P. waived a portion of its advisory fee
     and  voluntarily  agreed to  reimburse  a portion of the  Fund's  operating
     expenses, if necessary,  to maintain the expense limitation as set forth in
     the notes to the  financial  statements.  Total  returns  shown include fee
     waivers and expense  reimbursements,  if any; total returns would have been
     lower  had  there  been no  assumption  of fees and  expenses  in excess of
     expense limitations.
(3)  Aggregate  return for the period June 2, 1997  (commencement of operations)
     through August 31, 1998.

                                       9
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              LARGE CAP VALUE FUND

                            PORTFOLIO OF INVESTMENTS
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
COMMON STOCK--98.0%
AEROSPACE/DEFENSE--3.9%
   Litton Industries, Inc.* ......................         15,680     $  752,640
   Lockheed Martin Corp. .........................          8,300        725,731
   Northrop Grumman Corp. ........................         11,225        711,384
                                                                      ----------
                                                                       2,189,755
                                                                      ----------
AIR TRANSPORT--2.0%
   Delta Air Lines, Inc. .........................         11,200      1,142,400
                                                                      ----------
AUTOMOBILE-MANUFACTURING--3.4%
   Chrysler Corp. ................................          9,100        406,087
   Fiat SpA ......................................         16,600        253,150
   Ford Motor Co. ................................         29,100      1,280,400
                                                                      ----------
                                                                       1,939,637
                                                                      ----------
AUTOMOBILE/TRUCK PARTS & EQUIPMENT--1.4%
   Federal-Mogul Corp. ...........................          9,900        528,413
   Lear Corp.* ...................................          6,900        279,881
                                                                      ----------
                                                                         808,294
                                                                      ----------
BANKS & SAVINGS & LOANS--3.4%
   Chase Manhattan Corp. .........................         10,300        545,900
   First Union Corp. .............................          8,900        431,650
   PNC Bank Corp. ................................          6,000        258,000
   Republic New York Corp. .......................         17,200        709,500
                                                                      ----------
                                                                       1,945,050
                                                                      ----------
BROKERAGE SERVICES--2.1%
   Bear Stearns Companies, Inc. ..................         13,200        487,575
   Lehman Brothers Holdings, Inc. ................          3,700        145,688
   Morgan Stanley, Dean Witter & Co. .............          9,900        574,819
                                                                      ----------
                                                                       1,208,082
                                                                      ----------
BUILDING PRODUCTS--0.4%
   Clayton Homes, Inc. ...........................         13,000        200,687
                                                                      ----------
CHEMICALS--1.3%
   Agrium, Inc. ..................................         54,080        456,300
   Union Carbide Corp. ...........................          7,600        305,425
                                                                      ----------
                                                                         761,725
                                                                      ----------

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
COMPUTERS--4.8%
   Compaq Computer Corp. .......................          31,100      $  868,856
   International Business Machines
     Corp. .....................................           9,800       1,103,725
   Wang Laboratories, Inc.* ....................          39,030         761,085
                                                                      ----------
                                                                       2,733,666
                                                                      ----------
CONSTRUCTION & BUILDING MATERIALS--1.8%
   Ingersoll-Rand Co. ..........................          19,400         771,150
   MacMillan Bloedel Ltd. ......................          30,800         234,850
                                                                      ----------
                                                                       1,006,000
                                                                      ----------
CONSUMER DURABLES--1.4%
   Whirlpool Corp. .............................          15,900         789,037
                                                                      ----------
DIVERSIFIED--0.5%
   Fortune Brands, Inc. ........................           9,730         268,183
                                                                      ----------
ELECTRIC UTILITIES--3.6%
   Niagara Mohawk Power Corp.* .................          35,000         542,500
   Southern Co. ................................          20,600         579,375
   Unicom Corp. ................................          25,100         894,187
                                                                      ----------
                                                                       2,016,062
                                                                      ----------
ENTERTAINMENT--0.5%
   Harrah's Entertainment, Inc.* ...............          21,000         303,187
                                                                      ----------
ENVIRONMENTAL SERVICES--3.3%
   Waste Management, Inc.* .....................          42,392       1,870,547
                                                                      ----------
FERTILIZERS--0.7%
   IMC Global, Inc. ............................          21,000         385,875
                                                                      ----------
FINANCIAL SERVICES--8.1%
   Ambac Financial Group, Inc. .................           6,856         323,517
   Fannie Mae ..................................          27,365       1,554,674
   Freddie Mac .................................          17,200         679,400
   SLM Holding Corp. ...........................          12,000         430,500
   Travelers Group, Inc. .......................          37,170       1,649,419
                                                                      ----------
                                                                       4,637,510
                                                                      ----------


    The accompanying notes are an integral part of the financial statements.

                                       10
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              LARGE CAP VALUE FUND

                      PORTFOLIO OF INVESTMENTS (CONTINUED)
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
FOOD & BEVERAGE--4.1%
   Albertson's, Inc. ...........................          15,600      $  788,775
   American Stores Co. .........................          21,700         629,300
   Anheuser-Busch Co., Inc. ....................           9,900         456,638
   Food Lion, Inc., Class A ....................          46,900         483,656
                                                                      ----------
                                                                       2,358,369
                                                                      ----------
HEALTHCARE--2.0%
   Columbia/HCA Healthcare Corp. ...............          28,800         649,800
   Foundation Health Systems, Inc.,
     Class A* ..................................          25,000         279,688
   Quorum Health Group, Inc.* ..................          10,600         201,400
                                                                      ----------
                                                                       1,130,888
                                                                      ----------
HOTELS--0.3%
   Meristar Hospitality Corp.* .................          10,030         169,256
                                                                      ----------
INSURANCE--13.1%
   Ace, Ltd. ...................................          23,395         678,455
   Allmerica Financial Corp. ...................          25,080       1,495,395
   Allstate Corp. ..............................          35,600       1,335,000
   Everest Reinsurance Holdings, Inc. ..........          24,300         850,500
   Hartford Financial Services
     Group, Inc. ...............................          10,560         472,560
   Loews Corp. .................................          18,350       1,548,281
   PartnerRe Ltd. ..............................          13,775         554,444
   Renaissance Re Holdings Ltd. ................          12,000         502,500
                                                                      ----------
                                                                       7,437,135
                                                                      ----------
OIL SERVICES--6.8%
   British Petroleum Co. PLC ...................           8,677         634,506
   Elf Aquitaine SA ............................          10,570         516,609
   Royal Dutch Petroleum Co. ...................          17,800         707,550
   Sun Co., Inc. ...............................          18,800         621,575
   Tosco Corp. .................................          38,105         838,310
   Total SA ....................................          11,400         547,913
                                                                      ----------
                                                                       3,866,463
                                                                      ----------
PAPER & FOREST PRODUCTS--0.7%
   Fort James Corp. ............................          14,700         428,138
                                                                      ----------
PHARMACEUTICALS--2.2%
   Abbott Laboratories .........................          24,300         935,550
   Johnson & Johnson ...........................           4,700         324,300
                                                                      ----------
                                                                       1,259,850
                                                                      ----------
                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
PUBLISHING COMPANIES--2.3%
   Harcourt General, Inc. ......................          26,600      $1,291,763
                                                                      ----------
REAL ESTATE--0.9%
   Equity Inns, Inc. ...........................          10,000         100,000
   Mid-America Apartment
     Communities, Inc. .........................           2,420          55,660
   Prentiss Property Trust .....................           8,240         184,370
   RFS Hotel Investors, Inc. ...................          12,340         169,675
                                                                      ----------
                                                                         509,705
                                                                      ----------
RESTAURANTS--0.7%
   McDonald's Corp. ............................           7,200         403,650
                                                                      ----------
RETAIL-DEPARTMENT STORE--3.1%
   Dillard's Inc., Class A .....................          18,300         528,413
   Federated Department Stores, Inc.* ..........          28,100       1,224,106
                                                                      ----------
                                                                       1,752,519
                                                                      ----------
RETAIL TRADE--0.1%
   Venator Group, Inc.* ........................           6,900          62,531
                                                                      ----------
TELECOMMUNICATIONS--13.6%
   Ameritech Corp. .............................          30,700       1,446,738
   AT&T Corp. ..................................          19,600         982,450
   Chris-Craft Industries, Inc.* ...............          10,670         444,139
   GTE Corp. ...................................           9,000         450,000
   MCI Communications Corp. ....................          25,600       1,280,000
   Sprint Corp. ................................          15,700       1,052,881
   Tele Danmark A/S ............................           6,600         339,900
   Tele-Communications, Inc.,
     Class A* ..................................          17,800         587,400
   Telecomunicacoes Brasileiras SA* ............          12,500         897,656
   Telefonos de Mexico SA, Class L .............           6,400         228,400
                                                                      ----------
                                                                       7,709,564
                                                                      ----------
TEXTILES & APPAREL--1.6%
   Liz Claiborne, Inc. .........................          15,400         438,900
   Warnaco Group, Inc. .........................          17,700         482,325
                                                                      ----------
                                                                         921,225
                                                                      ----------
TOBACCO--3.9%
   Philip Morris Companies, Inc. ...............          53,100       2,206,969
                                                                      ----------
     TOTAL COMMON STOCK
       (Cost $67,282,147) ......................                      55,713,722
                                                                      ----------

    The accompanying notes are an integral part of the financial statements.

                                       11

<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              LARGE CAP VALUE FUND

                      PORTFOLIO OF INVESTMENTS (CONCLUDED)
                                 AUGUST 31, 1998

                                                            PAR  
                                                           (000)         VALUE
                                                         ---------    ----------
SHORT-TERM INVESTMENT--1.9%
   Rodney Square Cash Reserve
     5.10% 09/01/98 ........................             1,105       $ 1,105,138
                                                                     -----------
     TOTAL SHORT-TERM INVESTMENT
       (Cost $1,105,138) ...................                           1,105,138
                                                                     -----------
TOTAL INVESTMENTS--99.9%
   (Cost $68,387,285) ......................                          56,818,860
                                                                     -----------
ASSETS IN EXCESS OF
   OTHER LIABILITIES--0.1% .................                              54,616
                                                                     -----------
NET ASSETS--100.0% .........................                         $56,873,476
                                                                     ===========
* Non-income producing

    The accompanying notes are an integral part of the financial statements.

                                       12
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                               MID CAP VALUE FUND

                            PORTFOLIO OF INVESTMENTS
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
COMMON STOCK--100.5%
AEROSPACE/DEFENSE--2.5%
   Coltec Industries, Inc.* ......................         24,000     $  345,000
   Litton Industries, Inc.* ......................         28,956      1,389,888
                                                                      ----------
                                                                       1,734,888
                                                                      ----------
AUTOMOBILE-MANUFACTURING--0.5%
   Fiat SpA ......................................         24,600        375,150
                                                                      ----------
AUTOMOBILE/TRUCK PARTS & EQUIPMENT--5.6%
   Federal-Mogul Corp. ...........................         39,033      2,083,386
   Lear Corp.* ...................................         25,900      1,050,569
   Tower Automotive, Inc.* .......................         41,200        754,475
                                                                      ----------
                                                                       3,888,430
                                                                      ----------
BANKS AND SAVINGS & LOANS--3.6%
   Commercial Federal Corp. ......................         28,114        618,508
   Golden State Bancorp, Inc.* ...................         48,000        762,000
   Long Island Bancorp, Inc. .....................         29,100      1,091,250
                                                                      ----------
                                                                       2,471,758
                                                                      ----------
BUILDING & BUILDING MATERIALS--1.0%
   Eagle Hardware & Garden, Inc.* ................         32,200        688,275
                                                                      ----------
BUILDING PRODUCTS--2.5%
   Clayton Homes, Inc. ...........................         61,000        941,687
   Lennar Corp. ..................................         45,600        826,500
                                                                      ----------
                                                                       1,768,187
                                                                      ----------
COMMERCIAL BANKS--3.7%
   Compass Bancshares, Inc. ......................         16,700        551,100
   First Virginia Banks, Inc. ....................         32,594      1,401,542
   Hibernia Corp. ................................         44,000        594,000
                                                                      ----------
                                                                       2,546,642
                                                                      ----------
COMPUTERS--3.2%
   Compaq Computer Corp. .........................         28,700        801,806
   CompUSA, Inc.* ................................         33,500        397,812
   Quantum Corp.* ................................         30,900        353,419
   The Learning Company, Inc.* ...................         38,000        672,125
                                                                      ----------
                                                                       2,225,162
                                                                      ----------

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
CONSTRUCTION & BUILDING MATERIALS--1.0%
   D.R. Horton, Inc. ...........................          27,000      $  432,000
   MacMillan Bloedel Ltd. ......................          30,500         232,562
                                                                      ----------
                                                                         664,562
                                                                      ----------
CONSUMER PRODUCTS & SERVICES--3.3%
   Black & Decker Corp. ........................          28,300       1,177,987
   Sherwin-Williams Co. ........................          47,900       1,143,612
                                                                      ----------
                                                                       2,321,599
                                                                      ----------
CONTAINERS--1.8%
   Ball Corp. ..................................          17,900         669,013
   Stone Container Corp.* ......................          55,000         574,062
                                                                      ----------
                                                                       1,243,075
                                                                      ----------
DIVERSIFIED--2.7%
   Viad Corp. ..................................          89,230       1,851,522
                                                                      ----------
ELECTRIC UTILITIES--10.1%
   DTE Energy Co. ..............................          37,400       1,575,475
   GPU, Inc. ...................................          30,200       1,134,388
   Kansas City Power & Light Co. ...............          18,800         534,625
   New England Electric System .................          20,800         839,800
   Niagara Mohawk Power Corp.* .................          75,900       1,176,450
   PP&L Resources, Inc. ........................          35,700         841,181
   Sierra Pacific Resources ....................          24,800         906,750
                                                                      ----------
                                                                       7,008,669
                                                                      ----------
ELECTRONICS--1.6%
   Advanced Micro Devices, Inc.* ...............          21,300         280,894
   Varian Associates, Inc. .....................          23,700         807,281
                                                                      ----------
                                                                       1,088,175
                                                                      ----------
ENTERTAINMENT--1.8%
   Harrah's Entertainment, Inc.* ...............          38,600         557,288
   Midway Games, Inc.* .........................          70,300         663,456
                                                                      ----------
                                                                       1,220,744
                                                                      ----------
FINANCIAL SERVICES--0.7%
   Coast Federal Litigation Contingent
     Payment Rights Trust* .....................          48,600         489,037
                                                                      ----------
    The accompanying notes are an integral part of the financial statements.

                                       13
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                               MID CAP VALUE FUND

                      PORTFOLIO OF INVESTMENTS (CONTINUED)
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
FOOD & BEVERAGE--6.0%
   American Stores Co. .........................          30,600      $  887,400
   Aurora Foods, Inc.* .........................          46,200         672,788
   International Home Foods, Inc.* .............          50,000         837,500
   Ralcorp Holdings, Inc.* .....................          65,800       1,270,763
   Richfood Holdings, Inc. .....................          23,000         472,938
                                                                      ----------
                                                                       4,141,389
                                                                      ----------
HEALTHCARE--4.0%
   C.R. Bard, Inc. .............................          25,400         831,850
   Foundation Health Systems, Inc.,
     Class A* ..................................          31,600         353,525
   NovaCare, Inc.* .............................         115,500         844,594
   Quorum Health Group, Inc.* ..................          37,700         716,300
                                                                      ----------
                                                                       2,746,269
                                                                      ----------
INDUSTRIAL GOODS & MATERIALS--1.1%
   Harsco Corp. ................................          21,500         788,781
                                                                      ----------
INSURANCE--10.0%
   Allmerica Financial Corp. ...................          56,700       3,380,738
   Everest Reinsurance Holdings, Inc. ..........          38,292       1,340,220
   Old Republic International Corp. ............          54,442       1,214,737
   ReliaStar Financial Corp. ...................          26,500       1,040,125
                                                                      ----------
                                                                       6,975,820
                                                                      ----------
LUMBER & BUILDING SUPPLIES--1.7%
   Louisiana-Pacific Corp. .....................          62,065       1,171,477
                                                                      ----------
METALS & MINING--0.6%
   Trinity Industries, Inc. ....................          12,900         390,225
                                                                      ----------
OIL SERVICES--1.3%
   Tosco Corp. .................................          30,000         660,000
   Valero Energy Corp. .........................          14,209         253,986
                                                                      ----------
                                                                         913,986
                                                                      ----------
PHARMACEUTICALS--4.5%
   Allergan, Inc. ..............................          52,200       2,466,450
   IVAX Corp.* .................................          88,800         688,200
                                                                      ----------
                                                                       3,154,650
                                                                      ----------

                                                         NUMBER
                                                        OF SHARES        VALUE
                                                        ---------     ----------
PUBLISHING & INFORMATION SERVICES--2.2%
   Valassis Communications, Inc.* ..............          51,500      $1,535,344
                                                                      ----------
RESTAURANTS--0.8%
   Tricon Global Restaurants, Inc.* ............          14,400         533,700
                                                                      ----------
RETAIL-APPAREL--1.4%
   Burlington Coat Factory
     Warehouse Corp. ...........................          45,689         962,325
                                                                      ----------
RETAIL-DEPARTMENT STORE--4.1%
   Dillard's Inc., Class A .....................          48,800       1,409,100
   Harcourt General, Inc. ......................          30,400       1,476,300
                                                                      ----------
                                                                       2,885,400
                                                                      ----------
RETAIL-DISCOUNT--6.5%
   BJ's Wholesale Club, Inc.* ..................          80,511       2,717,246
   ShopKo Stores, Inc.* ........................          71,094       1,826,227
                                                                      ----------
                                                                       4,543,473
                                                                      ----------
RETAIL-TRADE--1.3%
   Maxim Group, Inc.* ..........................          47,200         879,100
                                                                      ----------
SECURITY SERVICES--1.3%
   Pittston Brink's Group ......................          28,670         899,521
                                                                      ----------
SHIPBUILDING--1.1%
   Newport News Shipbuilding, Inc. .............          33,300         782,550
                                                                      ----------
TEXTILES & APPAREL--7.0%
   Fruit of the Loom, Inc.* ....................          31,000         695,563
   Liz Claiborne, Inc. .........................          57,400       1,635,900
   Shaw Industries, Inc. .......................          80,700       1,220,588
   Warnaco Group, Inc. .........................          47,800       1,302,550
                                                                      ----------
                                                                       4,854,601
                                                                      ----------
     TOTAL COMMON STOCK
       (Cost $85,793,161) ......................                      69,744,486
                                                                      ----------

    The accompanying notes are an integral part of the financial statements.

                                       14
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                               MID CAP VALUE FUND

                      PORTFOLIO OF INVESTMENTS (CONCLUDED)
                                 AUGUST 31, 1998

                                                       PAR  
                                                      (000)          VALUE
                                                    ---------      ----------
SHORT-TERM INVESTMENT--1.5%
   Rodney Square Cash Reserve
     5.10% 09/01/98 .......................             1,019      $  1,018,987
                                                                   ------------
     TOTAL SHORT-TERM INVESTMENT
       (Cost $1,018,987) ..................                           1,018,987
                                                                   ------------
TOTAL INVESTMENTS--102.0%
   (Cost $86,812,148) .....................                          70,763,473
                                                                   ------------
LIABILITIES IN EXCESS OF
   OTHERASSETS--(2.0%) ....................                          (1,367,089)
                                                                   ------------
NET ASSETS--100.0% ........................                        $ 69,396,384
                                                                   ============
* Non-income producing

    The accompanying notes are an integral part of the financial statements.

                                       15
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              MICRO CAP VALUE FUND

                            PORTFOLIO OF INVESTMENTS
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
COMMON STOCK--96.2%
AEROSPACE/DEFENSE--0.7%
   Fairchild Corp.* ..............................            600        $ 8,325
                                                                         -------
AGRICULTURAL PRODUCTS--0.7%
   Sylvan, Inc.* .................................            600          8,550
                                                                         -------
AUTOMOBILE-MANUFACTURING--0.5%
   Durakon Industries, Inc. * ....................            700          6,650
                                                                         -------
AUTOMOTIVE--3.7%
   Group 1 Automotive, Inc.* .....................          1,000         11,875
   Sonic Automotive, Inc.* .......................            700         12,906
   Smart Choice Automotive Group,
     Inc.* .......................................          1,000          4,875
   Strattec Security Corp.* ......................            600         16,650
                                                                         -------
                                                                          46,306
                                                                         -------
BUILDING & BUILDING MATERIALS--1.5%
   Drew Industries, Inc.* ........................            600          7,125
   U. S. Home Corp.* .............................            400         11,325
                                                                         -------
                                                                          18,450
                                                                         -------
BUSINESS SERVICES--6.1%
   Day Runner, Inc.* .............................            400          6,850
   Ennis Business Forms, Inc. ....................          1,600         16,100
   Merrill Corp. .................................          1,100         21,862
   Navigant International, Inc.* .................          1,600          9,500
   RemedyTemp, Inc.* .............................          1,000         22,375
                                                                         -------
                                                                          76,687
                                                                         -------
CHEMICALS--0.8%
   Aceto Corp. ...................................            700          9,537
                                                                         -------
COMMUNICATIONS & MEDIA--0.6%
   @Entertainment, Inc.* .........................            800          7,000
                                                                         -------
COMPUTERS, SOFTWARE & SERVICES--2.8%
   MicroAge, Inc.* ...............................          1,100         13,337
   Periphonics Corp.* ............................            600          3,075
   Project Software & Development,
     Inc.* .......................................            600          8,625
   Software Spectrum, Inc.* ......................            600          9,375
                                                                         -------
                                                                          34,412
                                                                         -------
                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
CONSTRUCTION & BUILDING MATERIALS--4.9%
   American Residential Services,
     Inc.* .........................................           700       $ 4,287
   Beazer Homes USA, Inc.* .........................           600        12,825
   Group Maintenance America Corp.* ................           900        12,319
   M/I Schottenstein Homes, Inc. ...................         1,600        31,800
                                                                         -------
                                                                          61,231
                                                                         -------
CONSUMER SERVICES--1.5%
   Veterinary Centers of America, Inc.* ............         1,100        18,150
                                                                         -------
DISTRIBUTION--4.4%
   Advanced Marketing Services, Inc. ...............           400         6,550
   Allou Health and Beauty, Inc.* ..................         1,500         7,219
   French Fragrances, Inc.* ........................         1,000         6,250
   Jean Phillipe Fragrances, Inc.* .................         3,900        27,300
   SCP Pool Corp.* .................................           600         7,350
                                                                         -------
                                                                          54,669
                                                                         -------
DIVERSIFIED--0.9%
   Chemed Corp. ....................................           400        11,775
                                                                         -------
ELECTRIC PRODUCTS--0.5%
   Align-Rite International, Inc.* .................           600         5,925
                                                                         -------
ELECTRONICS--4.2%
   NU Horizons Electronics Corp.* ..................         3,700        15,031
   Optek Technology, Inc.* .........................         1,700        28,794
   Pioneer-Standard Electronics, Inc. ..............         1,100         8,319
                                                                         -------
                                                                          52,144
                                                                         -------
ENERGY--1.3%
   Calpine Corp.* ..................................           900        16,706
                                                                         -------
ENGINEERING & CONSTRUCTION--0.7%
   URS Corp.* ......................................           600         8,250
                                                                         -------
FINANCIAL SERVICES--10.2%
   American Captial Strategies Ltd. ................           700         8,312
   Anthracite Capital, Inc. ........................         1,500        14,531
   Apex Mortgage Capital, Inc. .....................         1,100        11,412
   Bank Plus Corp.* ................................         1,000         7,625
   Chastain Capital Corp. ..........................         1,100        11,550

    The accompanying notes are an integral part of the financial statements.

                                       16
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              MICRO CAP VALUE FUND

                      PORTFOLIO OF INVESTMENTS (CONTINUED)
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
FINANCIAL SERVICES--(CONTINUED)
   Coast Federal Litigation Contingent
     Payment Rights Trust* .......................          1,800       $ 18,112
   First Sierra Financial, Inc.* .................            900         14,062
   ITLA Capital Corp.* ...........................            300          5,250
   Local Financial Corp.* ........................            600          5,175
   Long Beach Financial Corp.* ...................          2,500         20,000
   Phoenix Investment Partners Ltd. ..............          1,000          6,625
   Richmond County Financial Corp. ...............            400          4,750
                                                                        --------
                                                                         127,404
                                                                        --------
FOOD & BEVERAGE--1.1%
   J & J Snack Foods Corp.* ......................            900         14,175
                                                                        --------
HEALTHCARE--1.1%
   American HomePatient, Inc.* ...................            400          2,450
   ICU Medical, Inc.* ............................            500          6,375
   National Dentex Corp.* ........................            300          4,800
                                                                        --------
                                                                          13,625
                                                                        --------
INDUSTRIAL GOODS & MATERIALS--4.3%
   Federal Screw Works ...........................            100          5,000
   K-Tron International, Inc.* ...................            400          7,050
   National Presto Industries, Inc. ..............            300         11,006
   O.I. Corp.* ...................................          2,100          9,450
   Quixote Corp. .................................          1,700         21,463
                                                                        --------
                                                                          53,969
                                                                        --------
INSURANCE--14.6%
   ARM Financial Group, Inc., Class A ............            700         10,150
   Centris Group, Inc. (The) .....................          1,100         10,313
   Chartwell Re Corp. ............................            400         10,525
   ESG Re Ltd. ...................................          1,000         17,375
   Farm Family Holdings, Inc.* ...................            600         18,450
   Financial Industries Corp.* ...................            900         13,950
   Highlands Insurance Group, Inc.* ..............          1,400         17,500
   Insurance Auto Auctions, Inc.* ................          2,500         30,781
   Intercargo Corp. ..............................            600          6,000
   Motor Club of America, Inc.* ..................            900         11,025
   Nymagic, Inc. .................................            300          6,525
   Risk Capital Holdings, Inc.* ..................            900         19,575
   Stewart Information Services Corp. ............            200         10,425
                                                                        --------
                                                                         182,594
                                                                        --------
                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
OFFICE EQUIPMENT & SUPPLIES--0.9%
   Kentek Information Systems, Inc. ..............          1,700       $ 10,838
                                                                        --------
OIL SERVICES--4.6%
   Berry Petroleum Co., Class A ..................            400          4,900
   Giant Industries, Inc. ........................          1,500         20,250
   Lufkin Industries, Inc. .......................            700         16,144
   Mallon Resources Corp.* .......................          1,100          9,075
   Swift Energy Co.* .............................            400          3,525
   Unit Corp.* ...................................          1,000          4,125
                                                                        --------
                                                                          58,019
                                                                        --------
RAILROADS--0.4%
   RailAmerica, Inc.* ............................          1,000          5,313
                                                                        --------
REAL ESTATE--5.2%
   AMRESCO Capital Trust, Inc. ...................          1,100         11,825
   Annaly Mortgage Management, Inc. ..............            700          5,075
   Capital Automotive REIT .......................          2,200         26,675
   Ocwen Asset Investment Corp. ..................            900          8,775
   Storage Trust Realty Co. ......................            600         13,013
                                                                        --------
                                                                          65,363
                                                                        --------
RESTAURANTS, HOTELS & GAMING--0.9%
   Jackpot Enterprises, Inc.* ....................          1,100         10,863
                                                                        --------
RETAIL/SPECIALTY PRODUCTS--2.6%
   Drypers Corp.* ................................          4,800         15,600
   Gibson Greetings, Inc. ........................            900         17,494
                                                                        --------
                                                                          33,094
                                                                        --------
RETAIL TRADE--11.1%
   Barbeques Galore Ltd.* ........................          2,000         10,000
   Brookstone, Inc.* .............................            600          6,450
   Carr Gottstein Foods Co.* .....................          2,000         21,875
   Catherine's Stores Corp.* .....................          4,300         33,325
   Chromcraft Revington, Inc.* ...................            400          7,050
   Finish Line, Inc.* ............................          1,100          9,488
   HomeBase, Inc.* ...............................          2,700         16,538
   Jan Bell Marketing, Inc.* .....................          2,200         11,550
   Lechters Corp.* ...............................          3,100          9,106
   Midas, Inc. ...................................            600         13,575
                                                                        --------
                                                                         138,957
                                                                        --------

    The accompanying notes are an integral part of the financial statements.

                                       17
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              MICRO CAP VALUE FUND

                      PORTFOLIO OF INVESTMENTS (CONCLUDED)
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
STEEL--0.4%
   Schnitzer Steel Industries, Inc.,
     Class A ...................................             300       $   4,500
                                                                       ---------
TEXTILES & APPAREL--2.4%
   Dan River, Inc., Class A* ...................             900          11,756
   Fab Industries, Inc. ........................             400           9,200
   K-Swiss, Inc. ...............................             400           8,875
                                                                       ---------
                                                                          29,831
                                                                       ---------
TRANSPORTATION--0.6%
   Pittston BAX Group, Inc. ....................           1,000           7,938
                                                                       ---------
     TOTAL COMMON STOCK
       (Cost $1,549,824) .......................                       1,201,250
                                                                       ---------
WARRANTS--2.3%
   Golden State Bancorp* .......................           6,450          29,025
                                                                       ---------
     TOTAL WARRANTS
       (Cost $33,685) ..........................                          29,025
                                                                       ---------
                                                          PAR
                                                         (000)           VALUE
                                                         -------     -----------
SHORT-TERM INVESTMENT--0.5%           
   Rodney Square Cash Reserve
     5.10% 09/01/98 ..........................                6       $    6,076
                                                                      ----------
     TOTAL SHORT-TERM INVESTMENT
       (Cost $6,076) .........................                             6,076
                                                                      ----------
TOTAL INVESTMENTS--99.0%
   (Cost $1,589,585) .........................                         1,236,351
                                                                      ----------
ASSETS IN EXCESS OF
   OTHER LIABILITIES--1.0% ...................                            12,077
                                                                      ----------
NET ASSETS--100.0% ...........................                        $1,248,428
                                                                      ==========
* Non-income producing

    The accompanying notes are an integral part of the financial statements.

                                       18
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                                    BOND FUND

                            PORTFOLIO OF INVESTMENTS
                                 AUGUST 31, 1998

                                                          NUMBER
                                                         OF SHARES       VALUE
                                                         ---------    ----------
PREFERRED STOCK--4.7%
INDUSTRIAL GOODS & MATERIALS--1.2%
   Amcor Ltd. (Australia) ......................           4,000        $191,000
                                                                        --------
REAL ESTATE--3.5%
   Crescent Real Estate ........................          10,100         179,906
   Equity Residential Properties ...............          10,400         223,600
   Reckson Associates ..........................           7,000         147,000
                                                                        --------
                                                                         550,506
                                                                        --------
     TOTAL PREFERRED STOCK
       (Cost $884,952) .........................                         741,506
                                                                        --------

                                                            PAR
                                                           (000)
                                                           -------
CORPORATE BONDS--35.7%                            
BANKS AND SAVINGS & LOANS--4.0%
   BB&T Corp. Subordinated Notes
     (A3, BBB+)
     7.250% 06/15/07 .................................      $   150      159,000
   Old Kent Financial Corp. 
     Subordinated Notes (Baa1, A-)
     6.625% 11/15/05 .................................          110      113,850
   Riggs National Corp. Debentures
     (Ba1, BB-)
     9.650% 06/15/09 .................................          120      137,700
   Sovereign Bancorp Subordinated
     Notes (N/R, BB+)
     8.000% 03/15/03 .................................          100      105,750
   Sovereign Capital Trust I Company
     Guarantee Notes (N/A, N/A)
     9.000% 04/01/27 .................................          100      115,500
                                                                         -------
                                                                         631,800
                                                                         -------
ELECTRIC UTILITIES--4.6%
   CMS Energy Corp. Senior Notes
     (Ba3, BB)
     7.375% 11/15/00 .................................          145      148,316
   Consumers Energy Company
     (Baa3, BBB+)
     6.375% 09/15/03 .................................          200      202,500

                                                              PAR
                                                             (000)       VALUE
                                                            -------    ---------
ELECTRIC UTILITIES--(CONTINUED)
   Niagara Mohawk Power Series G
     Senior Notes (Ba3, BB-)
     7.750% 10/01/08 .............................          $ 150     $  153,750
   Ohio Edison (Baa2, BBB-)
     8.250% 04/01/02 .............................            210        225,487
                                                                      ----------
                                                                         730,053
                                                                      ----------
FINANCIAL SERVICES--7.5%
   Bank Boston NA Subordinated
     Notes (A2, A-)
     7.375% 09/15/06 .............................            120        130,050
   Equitable Companies Inc. (A2, A)
     7.000% 04/01/28 .............................             75         78,562
   Equitable Companies, Inc.
     Senior Notes (A2, A)
     9.000% 12/15/04 .............................             80         93,000
   Ford Motor Credit Corp. Senior
     Unsubordinated Notes (A1, A)
     7.200% 06/15/07 .............................            150        162,937
   Lehman Brothers, Inc. Senior
     Subordinated Notes (Baa1, A)
     7.625% 06/01/06 .............................            125        137,031
   NationsBank Corp. Subordinated
     Notes (A1, A)
     6.375% 02/15/08 .............................            125        126,250
   Riggs Capital Trust (Baa3, BB-)
     8.625% 12/31/26 .............................             90         98,663
   Security Capital U.S. Realty Bonds
     (NA, NA)
     2.000% 05/22/03 .............................            170        130,050
   Travelers Capital III Company
     Guarantee Notes (Aa3, A+)
     7.625% 12/01/36 .............................            100        113,000
   Zions Institutional Capital Trust Co.
     Guarantee Notes, Series A (A3, BBB-)
     8.536% 12/15/26 .............................            100        112,375
                                                                      ----------
                                                                       1,181,918
                                                                      ----------
FOREIGN GOVERNMENT BONDS--2.5%
   Hydro-Quebec Government
     Guarantee Yankee Notes (A2, A+)
     8.625% 06/15/29 .............................            100        122,125

    The accompanying notes are an integral part of the financial statements.

                                       19
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                                    BOND FUND

                      PORTFOLIO OF INVESTMENTS (CONTINUED)
                                 AUGUST 31, 1998

                                                              PAR
                                                             (000)       VALUE
                                                            -------    ---------
FOREIGN GOVERNMENT BONDS--(CONTINUED)
   Panama (Republic Of) Notes (Ba1, BB+)
     7.875% 02/13/02 .............................       $    300       $271,125
                                                                        --------
                                                                         393,250
                                                                        --------
INDUSTRIAL GOODS & MATERIALS--15.0%
   Adaptec, Inc. Subordinated Notes
     (B1, BB-)
     4.750% 02/01/04 .............................            260        199,875
   Agco Corp. Senior Subordinated
     Notes (Ba1, BB+)
     8.500% 03/15/06 .............................             20         19,575
   D.R. Horton, Inc. Senior Notes
     (Ba2, BB)
     8.375% 06/15/04 .............................             35         34,606
   Fred Meyer, Inc. Company
     Guarantee Notes (Ba2, BB+)
     7.375% 03/01/05 .............................            100        100,625
   HMT Technology Corp. Subordinated
     Notes (B3, B-)
     5.750% 01/15/04 .............................            300        207,000
   Jones Intercable, Inc. Senior Notes
     (Ba2, BB)
     9.625% 03/15/02 .............................            100        107,000
   Lenfest Communications, Inc. 
     Senior Notes (Ba3, BB+)
     8.375% 11/01/05 .............................            100        104,625
   Louis Dreyfus Natural Gas Senior
     Subordinated Notes (Ba3, BB+)
     9.250% 06/15/04 .............................            100        111,500
   News America Holdings Debentures
     (Baa3, BBB-)
     8.875% 04/26/23 .............................             45         53,550
   Northrop-Gruman Corp. Notes
     (Baa3, BBB-)
     7.000% 03/01/06 .............................            115        119,169
   Philip Morris Co., Inc. Notes (A2, A)
     6.800% 12/01/03 .............................            150        156,000
   Southdown, Inc. Senior Subordinated
     Notes, Series B (Ba2, BB-)
     10.000% 03/01/06 ............................            100        108,625
   TCI Communications, Inc. 
     Senior Notes (Ba1, BBB-)
     8.650% 09/15/04 .............................             50         56,625

                                                              PAR
                                                             (000)       VALUE
                                                            -------    ---------
INDUSTRIAL GOODS & MATERIALS--(CONTINUED)
   Tele-Communications, Inc. 
     Debentures (Ba1, BBB-)
     9.800% 02/01/12 .............................           $125     $  162,969
   Tenet Healthcare Corp. Senior Notes
     (Ba1, BB)
     8.625% 12/01/03 .............................            175        179,375
   TKR Cable, Inc. Debentures
     (Ba3, BBB-)
     10.500% 10/30/07 ............................             25         27,406
   Unisys Corp. Senior Notes (Ba3, B+)
     11.750% 10/15/04 ............................            225        257,906
   Unisys Corp. Senior Notes, Series B
     (B1, B+)
    12.000% 04/15/03 .............................            20         22,375
   USA Waste Services, Inc. 
     (Baa3, BBB+)
     7.125% 10/01/07 .............................            150        159,375
   USG Corp. Senior Notes (Ba1, BBB)
     9.250% 09/15/01 .............................            105        112,744
   Westpoint Stevens Series 144A
     Senior Notes (Ba3, BB)
     7.875% 06/15/05 .............................             50         48,813
                                                                      ----------
                                                                       2,349,738
                                                                      ----------
TELECOMMUNICATIONS--1.9%
   GTE South, Inc. (A2, AA-)
     6.125% 06/15/07 .............................            150        151,313
   LCI International, Inc. Senior Notes
     (Ba1, BB+)
     7.250% 06/15/07 .............................            150        147,230
                                                                      ----------
                                                                         298,543
                                                                      ----------
U.S. GOVERNMENT BONDS--0.2%
   Fannie Mae (Aaa, NR)
     5.750% 04/15/08 .............................             25         25,237
                                                                      ----------
     TOTAL CORPORATE BONDS
       (Cost $5,690,577) .........................                     5,610,539
                                                                      ----------

    The accompanying notes are an integral part of the financial statements.

                                       20
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                                    BOND FUND

                      PORTFOLIO OF INVESTMENTS (CONTINUED)
                                 AUGUST 31, 1998

                                                              PAR
                                                             (000)       VALUE
                                                            -------    ---------
AGENCY OBLIGATIONS--47.9%
FEDERAL NATIONAL MORTGAGE ASSOCIATION--11.2%
   FMNA 190945
     6.000% 05/01/24 ...............................          $418    $  411,285
   FNMA 251499
     7.000% 02/01/28 ...............................           376       382,654
   FNMA 251967
     6.500% 08/01/28 ...............................            85        85,398
   FNMA 281054
     6.500% 04/01/24 ...............................           399       400,465
   FNMA 411518
     7.500% 10/01/27 ...............................           469       482,438
                                                                      ----------
                                                                       1,762,240
                                                                      ----------
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION--36.7%
   GNMA 354662
     6.500% 09/15/08 ...............................           121       122,713
   GNMA 372475
     7.000% 01/15/28 ...............................           387       395,434
   GNMA 376528
     7.000% 05/15/09 ...............................           263       270,242
   GNMA 407234
     6.500% 01/15/13 ...............................            98        99,647
   GNMA 410122
     7.500% 10/15/25 ...............................           295       304,049
   GNMA 433435
     6.500% 02/15/12 ...............................           367       373,938
   GNMA 447928
     6.500% 05/15/28 ...............................            39        39,772
   GNMA 449474
     7.500% 09/15/27 ...............................           109       112,581
   GNMA 450446
     7.000% 12/15/27 ...............................            58        59,633
   GNMA 451439
     7.500% 09/15/27 ...............................           452       465,542
   GNMA 453892
     7.500% 11/15/27 ...............................           251       258,894
   GNMA 454925
     7.000% 12/15/12 ...............................           384       394,913

                                                              PAR
                                                             (000)       VALUE
                                                            -------    ---------
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION--(CONTINUED)
   GNMA 456970
     6.500% 06/15/28 .................................         $ 94   $   94,574
   GNMA 457737
     6.500% 03/15/13 .................................          122      124,033
   GNMA 460143
     7.000% 04/15/28 .................................          349      356,525
   GNMA 461450
     7.000% 04/15/28 .................................           75       77,125
   GNMA 467736
     6.500% 04/15/28 .................................          326      327,985
   GNMA 468090
     6.500% 07/15/28 .................................           35       35,577
   GNMA 469128
     6.500% 02/15/28 .................................          404      406,626
   GNMA 469129
     7.000% 02/15/28 .................................           98       99,714
   GNMA 471949
     7.000% 06/15/28 .................................          504      515,511
   GNMA 473797
     6.500% 06/15/28 .................................           35       34,850
   GNMA 482119
     6.500% 08/15/28 .................................          101      101,758
   GNMA 780303
     6.500% 02/15/09 .................................          320      325,953
   GNMA 780687
     8.000% 12/15/12 .................................          353      365,911
                                                                      ----------
                                                                       5,763,500
                                                                      ----------
     TOTAL AGENCY OBLIGATIONS
       (Cost $7,455,485) .............................                 7,525,740
                                                                      ----------
ASSET BACKED SECURITIES--0.4%
   MBNA Master Credit Card Trust,
     Series 1995-C, Class A
     6.450% 02/15/08 .................................           60       62,592
                                                                      ----------
     TOTAL ASSET BACKED SECURITIES
       (Cost $61,605) ................................                    62,592
                                                                      ----------

    The accompanying notes are an integral part of the financial statements.

                                       21
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                                    BOND FUND

                      PORTFOLIO OF INVESTMENTS (CONCLUDED)
                                 AUGUST 31, 1998

                                                           PAR
                                                          (000)        VALUE
                                                         -------     ---------
U.S. TREASURY OBLIGATIONS--10.2%
U.S. TREASURY STRIP--1.4%
   U.S. Treasury Strip
     0.000% 11/15/21 .........................             $790      $   221,798
                                                                     -----------
U.S. TREASURY BONDS--8.8%
   U.S. Treasury Bonds
     7.250% 05/15/16 .........................              340          409,781
     7.125% 02/15/23 .........................              795          971,226
                                                                     -----------
                                                                       1,381,007
                                                                     -----------
     TOTAL U.S. TREASURY OBLIGATIONS
       (Cost $1,524,219) .....................                         1,602,805
                                                                     -----------
SHORT-TERM INVESTMENT--0.2%
   Rodney Square Cash Reserve
     5.10% 09/01/98 ..........................               22           22,221
                                                                     -----------
     TOTAL SHORT-TERM INVESTMENT
       (Cost $22,221) ........................                            22,221
                                                                     -----------
TOTAL INVESTMENTS--99.1%
   (Cost $15,639,059) ........................                        15,565,403
                                                                     -----------
ASSETS IN EXCESS OF
   OTHER LIABILITIES--0.9% ...................                           141,816
                                                                     -----------
NET ASSETS--100.0% ...........................                       $15,707,219
                                                                     ===========

The Moody's Investor Service, Inc. and Standard & Poor's Ratings Group's ratings
indicated  are the most  recent  ratings  available  at August 31,  1998.  These
ratings have not been audited by the Independent  Accountants,  and,  therefore,
are not covered by the Report of Independent Accountants.

    The accompanying notes are an integral part of the financial statements.

                                       22
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                       STATEMENT OF ASSETS AND LIABILITIES
                                 AUGUST 31, 1998

<TABLE>
<CAPTION>
                                                              LARGE CAP        MID CAP        MICRO CAP
                                                              VALUE FUND      VALUE FUND      VALUE FUND       BOND FUND
                                                             ------------    ------------    ------------    ------------
<S>                                                          <C>             <C>             <C>             <C>    
ASSETS
   Investments, at value (cost - $68,387,285, $86,812,148,
     $1,589,812 and $15,639,059, respectively) ...........   $ 56,818,860    $ 70,763,473    $  1,236,351    $ 15,565,402
   Receivable for investments sold .......................        652,649       1,174,332          46,486          91,501
   Receivable for Fund shares sold .......................          2,374            --              --              --
   Receivable from investment advisor ....................           --             5,124          19,063          10,931
   Dividends and interest receivable .....................         86,253          56,033             782         171,493
                                                             ------------    ------------    ------------    ------------
     Total assets ........................................     57,560,136      71,998,962       1,302,682      15,839,327
                                                             ------------    ------------    ------------    ------------
LIABILITIES
   Payable for investments purchased .....................        577,412       2,475,084          39,362          90,991
   Payable for Fund share redeemed .......................         11,285           1,878            --              --
   Accrued expenses and other liabilities ................         97,963         125,616          14,892          41,117
                                                             ------------    ------------    ------------    ------------
     Total liabilities ...................................        686,660       2,602,578          54,254         132,108
                                                             ------------    ------------    ------------    ------------
NET ASSETS
   Capital stock, $0.001 par value .......................          5,365           7,372             164           1,558
   Paid-in capital .......................................     66,833,383      87,103,188       1,634,260      15,646,044
   Undistributed net investment income ...................        294,360          45,326            --             7,377
   Accumulated net realized gain/(loss) from investments .      1,308,788      (1,710,827)        (32,763)        125,896
   Net unrealized depreciation on investments ............    (11,568,424)    (16,048,675)       (353,233)        (73,656)
                                                             ------------    ------------    ------------    ------------
     Net assets ..........................................   $ 56,873,476    $ 69,396,384    $  1,248,428    $ 15,707,219
                                                             ============    ============    ============    ============
INSTITUTIONAL CLASS
   Net assets ............................................   $ 50,723,586    $ 67,568,452    $  1,119,567    $ 15,509,128
                                                             ------------    ------------    ------------    ------------
   Shares outstanding ....................................      4,794,078       7,125,702         146,849       1,538,650
                                                             ------------    ------------    ------------    ------------
   Net asset value, offering and redemption
      price per share ....................................         $10.58           $9.48           $7.62          $10.08
                                                             ============    ============    ============    ============
INVESTOR CLASS
   Net assets ............................................   $  6,149,890    $  1,827,932    $    128,634    $    198,090
                                                             ------------    ------------    ------------    ------------
   Shares outstanding ....................................        574,895         194,122          16,857          19,613
                                                             ------------    ------------    ------------    ------------
   Net asset value, offering and redemption
      price per share ....................................         $10.70           $9.42           $7.63          $10.10
                                                             ============    ============    ============    ============
</TABLE>

    The accompanying notes are an integral part of the financial statements.

                                       23
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                             STATEMENT OF OPERATIONS
                      FOR THE PERIOD ENDED AUGUST 31, 1998

<TABLE>
<CAPTION>
                                                              LARGE CAP        MID CAP        MICRO CAP
                                                              VALUE FUND      VALUE FUND      VALUE FUND       BOND FUND
                                                             ------------    ------------    ------------    ------------
<S>                                                          <C>             <C>             <C>             <C>    
INVESTMENT INCOME
   Dividends ..............................................  $    785,884    $    362,961    $      1,575    $     27,974
   Interest ...............................................       117,619          94,962           1,459         542,007
                                                             ------------    ------------       ---------       ---------
                                                                  903,503         457,923           3,034         569,981
                                                             ------------    ------------       ---------       ---------
EXPENSES
   Advisory fees ..........................................       363,116         319,705           3,155          34,418
   Administration fees ....................................       147,199         138,352          12,845          63,083
   Federal and state registration fees ....................        19,545          26,132           4,821          28,000
   Directors ..............................................           562             677             130             505
   Insurance ..............................................           619             534              93             505
   Transfer agent fees and expenses .......................        80,600          74,476          12,374          48,781
   Custodian fees and expenses ............................        43,861          31,597           1,072           4,090
   Printing ...............................................        45,380          35,170           9,300          21,736
   Audit and legal fees ...................................        13,663           4,186             554           3,918
   Distribution fees ......................................         5,603           3,762              54             179
   Other ..................................................         4,554           2,757             315           5,978
                                                             ------------    ------------       ---------       ---------
     Total expenses before waivers and reimbursements .....       724,702         637,348          44,713         211,193
     Less: waivers and reimbursements .....................      (236,283)       (231,002)        (40,745)       (159,388)
                                                             ------------    ------------       ---------       ---------
     Total expenses after waivers and reimbursements ......       488,419         406,346           3,968          51,805
                                                             ------------    ------------       ---------       ---------
   Net investment income/(loss) ...........................       415,084          51,577            (934)        518,176
                                                             ------------    ------------       ---------       ---------
NET REALIZED AND UNREALIZED GAIN/(LOSS) ON INVESTMENTS
   Net realized gain/(loss) from investments ..............     1,829,755      (1,636,807)        (32,763)        125,896
   Net change in unrealized depreciation on investments ...   (13,105,142)    (16,102,116)       (353,233)        (73,656)
                                                             ------------    ------------       ---------       ---------
   Net realized and unrealized gain/(loss) from 
      investments .........................................   (11,275,387)    (17,738,923)       (385,996)         52,240
                                                             ------------    ------------       ---------       ---------
NET INCREASE/(DECREASE) IN NET ASSETS RESULTING
   FROM OPERATIONS                                           $(10,860,303)   $(17,687,346)      $(386,929)      $ 570,416
                                                             ============    ============       =========       =========
<FN>
- --------------
** Commenced operations July 1, 1998.
** Commenced operations December 30, 1997.
</FN>
</TABLE>

    The accompanying notes are an integral part of the financial statements.

                                       24
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                       STATEMENT OF CHANGES IN NET ASSETS

<TABLE>
<CAPTION>
                                                                 LARGE CAP VALUE FUND                MID CAP VALUE FUND
                                                          ---------------------------------   ---------------------------------
                                                                             FOR THE PERIOD                     FOR THE PERIOD
                                                              FOR THE       JANUARY 2, 1997*      FOR THE        JUNE 2, 1997*
                                                            YEAR ENDED           THROUGH         YEAR ENDED        THROUGH
                                                          AUGUST 31, 1998   AUGUST 31, 1997   AUGUST 31, 1998   AUGUST 31, 1997
                                                          ---------------   ---------------   ---------------   ---------------
<S>                                                         <C>               <C>              <C>               <C>         
INCREASE/(DECREASE) IN NET ASSETS
   FROM OPERATIONS
   Net investment income .................................  $    415,084      $    100,151     $     51,577      $      4,850
   Net realized gain/(loss) from investments .............     1,829,756         1,072,821       (1,636,807)           37,984
   Net change in unrealized appreciation/(depreciation)
     on investments ......................................   (13,105,143)        1,536,718      (16,102,116)           53,442
                                                            ------------      ------------     ------------      ------------
   Net increase/(decrease) in net assets resulting
     from operations .....................................   (10,860,303)        2,709,690      (17,687,346)           96,276
                                                            ------------      ------------     ------------      ------------
LESS DIVIDEND AND DISTRIBUTIONS TO
   SHAREHOLDERS FROM:
   Net investment income Institutional shares ............      (216,811)               --          (10,109)               --
   Net investment income Investor shares .................        (4,064)               --             (992)               --
   Net realized capital gains Institutional shares .......    (1,561,759)               --          (92,752)               --
   Net realized capital gains Investor shares ............       (32,030)               --          (19,252)               --
                                                            ------------      ------------     ------------      ------------
   Total dividends and distributions to
     shareholders ........................................    (1,814,664)               --         (123,105)               --
                                                            ------------      ------------     ------------      ------------
INCREASE IN NET ASSETS DERIVED FROM
   CAPITAL SHARE TRANSACTIONS ............................    44,262,908        22,575,845       82,858,741         4,251,818
                                                            ------------      ------------     ------------      ------------
   Total increase in net assets ..........................    31,587,941        25,285,535       65,048,290         4,348,094
NET ASSETS
   Beginning of period ...................................    25,285,535                --        4,348,094                --
                                                            ------------      ------------     ------------      ------------
   End of period .........................................  $ 56,873,476      $ 25,285,535     $ 69,396,384      $  4,348,094
                                                            ============      ============     ============      ============
<FN>
- -----------
* Commencement of operations.
</FN>
</TABLE>

    The accompanying notes are an integral part of the financial statements.

                                       25
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                 STATEMENT OF CHANGES IN NET ASSETS (CONTINUED)

<TABLE>
<CAPTION>
                                                                                     MICRO CAP VALUE FUND            BOND FUND
                                                                                     --------------------       ------------------
                                                                                        FOR THE PERIOD            FOR THE PERIOD
                                                                                         JULY 1, 1998*          DECEMBER 30, 1997*
                                                                                            THROUGH                   THROUGH
                                                                                        AUGUST 31, 1998           AUGUST 31, 1998
                                                                                        ---------------         ------------------
<S>                                                                                       <C>                       <C>         
INCREASE/(DECREASE) IN NET ASSETS
   FROM OPERATIONS
   Net investment income .......................................................          $       (934)             $    518,176
   Net realized gain/(loss) from investments ...................................               (32,763)                  125,896
   Net change in unrealized depreciation on investments ........................              (353,233)                  (73,656)
                                                                                          ------------              ------------
   Net increase/(decrease) in net assets resulting
     from operations ...........................................................              (386,930)                  570,416
                                                                                          ------------              ------------
LESS DIVIDEND AND DISTRIBUTIONS TO
   SHAREHOLDERS FROM:
   Net investment income Institutional shares ..................................                    --                  (506,561)
   Net investment income Investor shares .......................................                    --                    (4,238)
                                                                                          ------------              ------------
   Total dividends and distributions to
     shareholders ..............................................................                    --                  (510,799)
                                                                                          ------------              ------------
INCREASE IN NET ASSETS DERIVED FROM
   CAPITAL SHARE TRANSACTIONS ..................................................             1,635,358                15,647,602
                                                                                          ------------              ------------
   Total increase in net assets ................................................             1,248,428                15,707,219
NET ASSETS
   Beginning of period .........................................................                    --                        --
                                                                                          ------------              ------------
   End of period ...............................................................          $  1,248,428              $ 15,707,219
                                                                                          ============              ============
<FN>
- ----------------
* Commencement of operations.
</FN>
</TABLE>

    The accompanying notes are an integral part of the financial statements.

                                       26
<PAGE>

                      [THIS PAGE INTENTIONALLY LEFT BLANK]

<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                              FINANCIAL HIGHLIGHTS

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                        FINANCIAL HIGHLIGHTS (CONTINUED)

- --------------------------------------------------------------------------------
Contained below is per share operating performance data for each class of shares
outstanding,  total  investment  return,  ratios to average net assets and other
suppemental data for the respective  periods.  This information has been derived
from information provided in the financial statements.
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                          LARGE CAP VALUE FUND                                
                                                    ---------------------------------------------------------------------     
                                                       FOR THE       FOR THE PERIOD        FOR THE       FOR THE PERIOD       
                                                         YEAR        JANUARY 2, 1997*        YEAR        JANUARY 16, 1997*    
                                                         ENDED            THROUGH            ENDED            THROUGH         
                                                    AUGUST 31, 1998   AUGUST 31, 1997   AUGUST 31, 1998   AUGUST 31, 1997     
                                                    ---------------  ----------------   ---------------  ----------------     
                                                     INSTITUTIONAL     INSTITUTIONAL       INVESTOR          INVESTOR         
                                                         CLASS             CLASS             CLASS             CLASS          
                                                    ---------------  ----------------   ---------------  ----------------     
<S>                                                     <C>               <C>               <C>               <C>             
PER SHARE OPERATING PERFORMANCE**
Net asset value, beginning of period ...............    $ 12.46           $ 10.00           $ 12.45           $ 10.20         
                                                        -------           -------           -------           -------         
Net investment income(1) ...........................       0.12              0.05              0.06              0.02         
Net realized and unrealized gain/(loss)
   on investments(2) ...............................      (1.31)             2.41             (1.27)             2.23         
                                                        -------           -------           -------           -------         
Net increase/(decrease) in net assets resulting
   from operations .................................      (1.19)             2.46             (1.21)             2.25         
                                                        -------           -------           -------           -------         
Dividends to shareholders from:
Net investment income ..............................      (0.08)               --             (0.06)               --         
Net realized capital gains .........................      (0.61)               --             (0.48)               --         
                                                        -------           -------           -------           -------         
Net asset value, end of period .....................    $ 10.58           $ 12.46           $ 10.70           $ 12.45         
                                                        =======           =======           =======           =======         
Total investment return(3) .........................     (10.23%)           24.60%           (10.28%)           22.06%        
                                                        =======           =======           =======           =======         
RATIOS/SUPPLEMENTAL DATA
Net assets, end of period (000's omitted) ..........    $50,724           $24,603           $ 6,150            $  683         
Ratio of expenses to average net assets(1)(4) ......       1.00%             1.00%(5)          1.19%             1.11%(5)     
Ratio of net investment income to average
   net assets(1) ...................................       0.87%             1.19%(5)          0.68%             0.91%(5)     
Portfolio turnover rate ............................     111.68%            67.16%(6)        111.68%            67.16%(6)     
</TABLE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                        FINANCIAL HIGHLIGHTS (CONTINUED)

<TABLE>
<CAPTION>
                                                                               MID CAP VALUE FUND
                                                        ---------------------------------------------------------------------
                                                           FOR THE       FOR THE PERIOD        FOR THE       FOR THE PERIOD
                                                             YEAR          JUNE 2, 1997*         YEAR          JUNE 2, 1997*
                                                             ENDED            THROUGH            ENDED           THROUGHT
                                                        AUGUST 31, 1998   AUGUST 31, 1997   AUGUST 31, 1998   AUGUST 31, 1997
                                                        ---------------  ----------------   ---------------   ---------------
                                                         INSTITUTIONAL    INSTITUTIONAL        INVESTOR          INVESTOR
                                                             CLASS             CLASS             CLASS             CLASS
                                                        ---------------  ----------------   ---------------   ---------------
<S>                                                         <C>              <C>               <C>               <C>    
PER SHARE OPERATING PERFORMANCE**
Net asset value, beginning of period ...............        $ 11.01          $ 10.00           $ 11.01           $ 10.00
                                                            -------          -------           -------           -------
Net investment income(1) ...........................           0.01             0.01              0.01              0.01
Net realized and unrealized gain/(loss)
   on investments(2) ...............................          (1.39)            1.00             (1.38)             1.00
                                                            -------          -------           -------           -------
Net increase/(decrease) in net assets resulting
   from operations .................................          (1.38)            1.01             (1.37)             1.01
                                                            -------          -------           -------           -------
Dividends to shareholders from:
Net investment income ..............................          (0.01)              --             (0.01)               --
Net realized capital gains .........................          (0.14)              --             (0.21)               --
                                                            -------          -------           -------           -------
Net asset value, end of period .....................         $ 9.48          $ 11.01            $ 9.42           $ 11.01
                                                            =======          =======            ======           =======
Total investment return(3) .........................         (12.73%)          10.10%           (12.77%)           10.10%
                                                            =======          =======            ======           =======
RATIOS/SUPPLEMENTAL DATA
Net assets, end of period (000's omitted) ..........        $67,568          $ 3,750           $ 1,828            $  598
Ratio of expenses to average net assets(1)(4) ......           1.00%            1.00%(5)          1.15%             1.10%(5)
Ratio of net investment income to average
   net assets(1) ...................................           0.13%            1.08%(5)         (0.02)%            0.61%(5)
Portfolio turnover rate ............................         167.86%           21.80%(6)        167.86%            21.80%(6)

<FN>
- --------------
 *   Commencement of operations.
**   Calculated  based on  shares  outstanding  on the first and last day of the
     respective periods,  except for dividends and distributions,  if any, which
     are based on actual shares outstanding on the dates of distributions.
(1)  Reflects waivers and reimbursements.
(2)  The amounts shown for a share outstanding throughout the respective periods
     are not in accord  with the  changes in the  aggregate  gains and losses on
     investments  during the respective  periods  because of the timing of sales
     and  repurchases of Fund shares in relation to fluctuating  net asset value
     during the respective periods.
(3)  Total investment return is calculated  assuming a purchase of shares on the
     first day and a sale of shares on the last day of each period  reported and
     will include  reinvestments of dividends and  distributions,  if any. Total
     investment returns are not annualized.
(4)  Without the waiver of advisory,  administration and transfer agent fees and
     without  the  reimbursement  of certain  operating  expenses,  the ratio of
     expenses to average net assets  annualized  for the period ended August 31,
     1997 and August 31, 1998, respectively, would have been 2.64% and 1.49% for
     the Large Cap Value Fund Institutional Class, 3.05% and 1.74% for the Large
     Cap Value Fund Investor Class,  12.37% and 1.57% for the Mid Cap Value Fund
     Institutional  Class,  12.62% and 1.82% for the Mid Cap Value Fund Investor
     Class, respectively.
(5)  Annualized. 
(6)  Not annualized.
</FN>
</TABLE>

    The accompanying notes are an integral part of the financial statements.

                                     28-29

<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                        FINANCIAL HIGHLIGHTS (CONTINUED)

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS
                        FINANCIAL HIGHLIGHTS (CONTINUED)

- --------------------------------------------------------------------------------
Contained below is per share operating performance data for each class of shares
outstanding,  total  investment  return,  ratios to average net assets and other
suppemental data for the respective  periods.  This information has been derived
from information provided in the financial statements.
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                               MICRO CAP VALUE FUND                         BOND FUND
                                                        ----------------------------------   ---------------------------------------
                                                        FOR THE PERIOD     FOR THE PERIOD      FOR THE PERIOD       FOR THE PERIOD
                                                         JULY 1, 1998*      JULY 1, 1998*    DECEMBER 30, 1997*   DECEMBER 30, 1997*
                                                            THROUGH            THROUGH             THROUGH              THROUGH
                                                        AUGUST 31, 1998    AUGUST 31, 1998     AUGUST 31, 1998      AUGUST 31, 1998
                                                        ---------------    ---------------   ------------------   ------------------
                                                         INSTITUTIONAL        INVESTOR          INSTITUTIONAL          INVESTOR
                                                             CLASS              CLASS               CLASS                CLASS
                                                        ---------------    ---------------   ------------------   ------------------
<S>                                                         <C>                <C>                  <C>                 <C>    
PER SHARE OPERATING PERFORMANCE**
Net asset value, beginning of period ...................    $ 10.00            $ 10.00              $ 10.00             $ 10.00
                                                            -------            -------              -------             -------
Net investment income/(loss)(1) ........................      (0.01)             (0.01)                0.78                0.62
Net realized and unrealized loss on investments(2) .....      (2.37)             (2.36)               (0.31)              (0.16)
                                                            -------            -------              -------             -------
Net decrease in net assets resulting from operations ...      (2.38)             (2.37)                0.47                0.46
                                                            -------            -------              -------             -------
Dividends to shareholders from:
Net investment income ..................................         --                 --                (0.39)              (0.36)
Net realized capital gains .............................         --                 --                   --                  --
                                                            -------            -------              -------             -------
Net asset value, end of period .........................    $  7.62            $  7.63              $ 10.08             $ 10.10
                                                            =======            =======              =======             =======
Total investment return(3)(7) ..........................     (23.80%)           (23.70%)               4.79%               4.63%
                                                            =======            =======              =======             =======
RATIOS/SUPPLEMENTAL DATA
Net assets, end of period (000's omitted) ..............    $ 1,120            $   129              $15,509              $  198
Ratio of expenses to average net assets(1)(4)(5) .......       1.55%              1.80%                0.60%               0.85%
Ratio of net investment loss to average
   net assets(1)(5) ....................................      (0.34)%            (0.66)%               6.06%               5.83%
Portfolio turnover rate(6) .............................      11.97%             11.97%               45.27%              45.27%
<FN>
 *   Commencement of operations.
**   Calculated  based on  shares  outstanding  on the first and last day of the
     respective periods,  except for dividends and distributions,  if any, which
     are based on actual shares outstanding on the dates of distributions.
(1)  Reflects waivers and reimbursements.
(2)  The amount shown for a share  outstanding  throughout  the period is not in
     accord  with the change in the  aggregate  gains and losses in  investments
     during  the period  because  the  timing of sales and  repurchases  of Fund
     shares in relation to fluctuating net asset value during the period.
(3)  Total investment return is calculated  assuming a purchase of shares on the
     first day and a sale of shares on the last day of each period  reported and
     will include  reinvestments of dividends and  distributions,  if any. Total
     investment returns are not annualized.
(4)  Without the waiver of advisory,  administration and transfer agent fees and
     without  the  reimbursement  of certain  operating  expenses,  the ratio of
     expenses to average net assets  annualized  for the period ended August 31,
     1998  would  have been  17.69%  and  17.94%  for the  Micro Cap Value  Fund
     Institutional Class and Investor Class, respectively. The ratio of expenses
     to average net assets annualized for the period ended August 31, 1998 would
     have  been  2.47%  and  2.72%  for the Bond  Fund  Institutional  Class and
     Investor Class, respectively.
(5)  Annualized. 
(6)  Not annualized.
(7)  Redemption fee of 1.00% is not reflected in total return calculations.
</FN>
</TABLE>


    The accompanying notes are an integral part of the financial statements.

                                      30-31
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                          NOTES TO FINANCIAL STATEMENTS

1.   ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

     The RBB Fund, Inc. ("RBB") was incorporated  under the laws of the State of
Maryland on February 29, 1988 and is registered under the Investment Company Act
of 1940, as amended,  (the "Investment  Company Act") as an open-end  management
investment company.  RBB is a "series fund", which is a mutual fund divided into
separate  portfolios.  The portfolio is treated as a separate entity for certain
matters  under  the  Investment  Company  Act,  and for  other  purposes,  and a
shareholder  of one  portfolio  is not deemed to be a  shareholder  of any other
portfolio.  Currently  RBB has  twenty-three  investment  portfolios,  including
Boston Partners Large Cap Value Fund ("Large Cap Fund"), Boston Partners Mid Cap
Value Fund ( "Mid Cap Fund"),  Boston Partners Micro Cap Value Fund ( "Micro Cap
Fund") and Boston Partners Bond Fund ("Bond Fund") (each a "Fund",  collectively
the "Funds").  As of the date hereof,the  Large Cap Fund offers three classes of
shares, Institutional Class, Investor Class and Advisor Class. The Mid Cap Fund,
the  Micro  Cap Fund  and the Bond  Fund  each  offer  two  classes  of  shares,
Institutional Class and Investor Class.

     RBB has  authorized  capital of thirty  billion  shares of common  stock of
which 16.27 billion are currently  classified into  ninety-seven  classes.  Each
class represents an interest in one of twenty-six  investment portfolios of RBB.
The classes have been grouped into fifteen  separate  "families,"  nine of which
have begun investment  operations.  The Boston Partners Family of Funds includes
the Large Cap Fund,  which commenced  investment  operations on January 2, 1997,
the Mid Cap Fund,  which  commenced  investment  operations on June 2, 1997, the
Micro Cap Fund,  which commenced  investment  operations on July 1, 1998 and the
Bond Fund, which commenced investment operations on December 30, 1997.

     PORTFOLIO VALUATION -- The net asset value of each Fund is determined as of
4:00 p.m.  eastern time on each business day. Each Fund's  securities are valued
at the last reported sales price on the national securities exchange or national
securities  market on which such shares are  primarily  traded.  If no sales are
reported, as in the case of some securities traded  over-the-counter,  portfolio
securities  are  valued  at the mean  between  the last  reported  bid and asked
prices.  Securities for which market  quotations  are not readily  available are
valued  at fair  market  value as  determined  in good  faith  by or  under  the
direction of RBB's Board of  Directors.  With the approval of the RBB's Board of
Directors,   each  Fund  may  use  a  pricing  service,  bank  or  broker-dealer
experienced  in such  matters  to  value  its  securities.  The  preparation  of
financial  statements  requires the use of estimates by  management.  Short-term
obligations  with  maturities  of 60 days or less are valued at  amortized  cost
which  approximates  market  value.  Expenses  and  fees,  including  investment
advisory and  administration  fees are accrued  daily and taken into account for
the purpose of determining the net asset value of the Funds.

     REPURCHASE  AGREEMENTS -- The Funds have agreed to purchase securities from
financial  institutions  subject to the seller's agreement to repurchase them at
an  agreed-upon  time  and  price  ("repurchase   agreements").   The  financial
institutions with whom the Funds enter into repurchase  agreements are banks and
broker/dealers  which  Boston  Partners  Asset  Management,   L.P.  (the  Funds'
investment  adviser or "Boston  Partners")  considers  creditworthy  pursuant to
criteria  approved by RBB's Board of  Directors.  The seller  under a repurchase
agreement  will  be  required  to  maintain  the  value  of  the  securities  as
collateral,  subject to the agreement at not less than the repurchase price plus
accrued  interest.  Boston  Partners  marks to  market  daily  the  value of the
collateral,  and,  if  necessary,  requires  the seller to  maintain  additional
securities,  to ensure  that the value is not less  than the  repurchase  price.
Default by or  bankruptcy  of the  seller  would,  however,  expose the Funds to
possible loss because of adverse market action or delays in connection  with the
disposition of the underlying securities.

                                       32
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                    NOTES TO FINANCIAL STATEMENTS (CONTINUED)

     INVESTMENT TRANSACTIONS AND INVESTMENT INCOME -- Transactions are accounted
for on the trade date. The cost of investments  sold is determined by use of the
specific  identification  method  for both  financial  reporting  and income tax
purposes  in  determining  realized  gains and losses on  investments.  Interest
income is  recorded  on the accrual  basis.  Dividend  income is recorded on the
ex-dividend  date. The Funds' net  investment  income (other than class specific
distribution  fees) and  unrealized  and realized gains and losses are allocated
daily to each class of shares based upon the relative  proportion  of net assets
of each class at the beginning of the day (after  adjusting for current  capital
share activity of the respective classes).

     DIVIDENDS AND  DISTRIBUTIONS  -- Dividends from net investment  income,  if
any, will be declared and paid at least annually to shareholders. Dividends from
net  investment  income  of  the  Bond  Fund  are  declared  and  paid  monthly.
Distributions  from net realized  capital gains,  if any, will be distributed at
least  annually.  Income  and  capital  gain  distributions  are  determined  in
accordance  with U.S.  federal  income tax  regulations  which may  differ  from
generally accepted accounting principles.

     U.S.  FEDERAL TAX STATUS -- No  provision is made for U.S.  federal  income
taxes as it is the Funds'  intention to qualify for and elect the tax  treatment
applicable to regulated  investment companies under Subchapter M of the Internal
Revenue Code of 1986, as amended,  and make the requisite  distributions  to its
shareholders which will be sufficient to relieve it from U.S. federal income and
substantially all excise taxes.

2.  TRANSACTIONS  WITH  AFFILIATES AND RELATED PARTIES

     Boston  Partners Asset  Management,  L.P.  serves as the Funds'  investment
adviser.  For its  advisory  services,  Boston  Partners is entitled to receive,
0.75% of the Large Cap Fund's  average  daily net  assets,  0.80% of the Mid Cap
Fund's average daily net assets, 1.25% of the Micro Cap Fund's average daily net
assets,  and 0.40% of the Bond Fund's  average  daily net assets,  each computed
daily and payable quarterly.

     The adviser has voluntarily  agreed to limit the Large Cap Fund and the Mid
Cap Fund's total  operating  expenses for the current and the  following  fiscal
year to the extent that such expenses  exceeded  1.00% of the Large Cap Fund and
the Mid Cap Funds' average daily net assets.  The adviser has voluntarily agreed
to limit the Micro Cap Fund's total  operating  expenses for the current and the
following fiscal year to the extent that such expenses exceed 1.55% of the Micro
Cap Fund's average daily net assets. The adviser has voluntarily agreed to limit
the Bond Fund's  total  operating  expenses  for the  current and the  following
fiscal year to the extent that such expenses  exceeded  0.60% of the Bond Fund's
average daily net assets.  As necessary,  this limitation is effected in waivers
of advisory fees and  reimbursements of expenses exceeding the advisory fee. For
the year ended August 31, 1998, (unless otherwise indicated) investment advisory
fees, waivers and reimbursements of expenses were as follows:

                           GROSS                        NET
                         ADVISORY                     ADVISORY     EXPENSE FUND
FUND                       FEES          WAIVER         FEES       REIMBURSEMENT
- ----                     --------      ----------     --------     -------------
Large Cap Value Fund     $363,116      $(112,482)     $250,634            --
Mid Cap Value Fund        319,705        (84,082)      235,623      $(30,520)
Micro Cap Value Fund*       3,155         (3,155)           --       (19,063)
Bond Fund**                34,418        (34,418)           --       (54,244)

 *  Commenced investment operations on July 1, 1998.
**  Commenced investment operations on December 30, 1997.

     The Funds will not pay Boston Partners at a later time for any amounts they
may waive or any amounts which Boston Partners has assumed.

                                       33
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                    NOTES TO FINANCIAL STATEMENTS (CONTINUED)

     PFPC  Inc.  ("PFPC"),  an  indirect  wholly-owned  subsidiary  of PNC Bank,
National  Association,  serves as  administrator  for the Funds.  For  providing
administrative  services  PFPC is  entitled to receive a monthly fee equal to an
annual rate of 0.125% of the Funds' average daily net assets.

     For the year ended August 31, 1998,  (unless otherwise  indicated) PFPC, at
their discretion,  voluntarily agreed to waive a portion of their administration
fees for the  Funds.  For the year  ended  August 31,  1998,  (unless  otherwise
indicated) PFPC's administration fees and related waivers were as follows:

                             PFPC GROSS          PFPC          NET PFPC
FUND                     ADMINISTRATION FEES    WAIVERS   ADMINISTRATION FEES
- ----                     -------------------   ---------  -------------------
Large Cap Value Fund           $77,934         $(22,142)        $55,792
Mid Cap Value Fund              80,005          (22,352)         57,653
Micro Cap Value Fund*           12,500           (6,250)          6,250
Bond Fund**                     50,403          (25,202)         25,201

 * Commenced investment operations on July 1, 1998.
** Commenced investment operations on December 30, 1997.

     In addition, PFPC serves as the Funds' transfer and disbursing agent. PFPC,
at their  discretion,  voluntarily  agreed to waive a portion of their  transfer
agency fees for the Funds. For the year ended August 31, 1998, (unless otherwise
indicated) transfer agency fees and waivers were as follows:

                                 GROSS TRANSFER                   NET TRANSFER
FUND                               AGENCY FEES       WAIVERS       AGENCY FEES
- ----                             --------------     --------      ------------
Large Cap Value Fund                 $80,599        $(48,000)        $32,599
Mid Cap Value Fund                    74,476         (48,000)         26,476
Micro Cap Value Fund*                 12,372         (12,000)            372
Bond Fund**                           48,782         (36,000)         12,782

 * Commenced investment operations on July 1, 1998.
** Commended investment operations on December 30, 1997.

     Provident  Distributors,  Inc.  ("PDI"),  provides  certain  administrative
services to the Funds. Prior to May 29, 1998 Counsellors Funds Services, Inc., a
wholly owned  subsidiary of Warburg  Pincus  Counsellors,  Inc.  provided  these
services. As compensation for such administrative  services,  PDI is entitled to
receive a monthly  fee equal to an annual  rate of 0.15% of the  Funds'  average
daily net assets. Additionally,  PDI receives a fee at an annual rate of .25% of
the average daily net assets of each Funds'  Investor Class Shares pursuant to a
distribution  plan  adopted by each Fund  pursuant  to Rule 12b-1 under the 1940
Act.

     For the year ended August 31, 1998 (unless otherwise  indicated),  PDI has,
at its discretion,  voluntarily  agreed to waive a portion of its administrative
services  fees for the  Funds.  For the  year  ended  August  31,  1998  (unless
otherwise indicated), administrative services fees and waivers were as follows:

                         GROSS ADMINISTRATIVE                 NET ADMINISTRATIVE
FUND                         SERVICE FEES         WAIVERS        SERVICE FEES
- ----                     --------------------     ---------   ------------------
Large Cap Value Fund            $69,265           $(52,320)         $16,945
Mid Cap Value Fund               58,347            (44,606)          13,741
Micro Cap Value Fund*               346               (277)              69
Bond Fund**                      12,679             (9,524)           3,155

 *  Commenced investment operations on July 1, 1998.
**  Commenced investment operations on December 30, 1997.

                                       34
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                    NOTES TO FINANCIAL STATEMENTS (CONTINUED)

3.   INVESTMENT IN SECURITIES

     For U.S.  federal  income tax purposes,  the costs of  securities  owned at
August  31,  1998 were  $67,870,714,  $86,931,074,  $1,590,112  and  15,639,058,
respectively,  for the Large Cap Value Fund,  the Mid Cap Value Fund,  the Micro
Cap  Value   Fund  and  the  Bond   Fund.   Accordingly,   the  net   unrealized
appreciation/(depreciation) of investments are as follows:

                                                               NET APPRECIATION/
FUND                       APPRECIATION      DEPRECIATION       (DEPRECIATION)
- ----                       ------------      ------------      -----------------
Large Cap Value Fund         $630,303        $(11,682,157)        $(11,051,854)
Mid Cap Value Fund            424,660         (16,592,262)         (16,167,602)
Micro Cap Value Fund            3,277            (357,038)            (353,761)
Bond Fund                     211,165            (284,821)             (73,656)

     For the year ended August 31, 1998 (unless otherwise indicated),  aggregate
purchases and sales of investment securities (excluding short-term  investments)
were as follows:

FUND                                      PURCHASES         SALES
- ----                                    ------------     -----------
Large Cap Value Fund                    $ 94,661,688     $52,602,277
Mid Cap Value Fund                       147,789,408      64,405,259
Micro Cap Value Fund                       1,779,831         163,462
Bond Fund                                 21,384,325       5,882,927

4.   CAPITAL SHARE TRANSACTIONS

     As of August 31, 1998 the Funds each have  50,000,000  shares of $0.001 par
value common stock authorized.

     Transactions in capital shares for the respective periods were as follows:

<TABLE>
<CAPTION>
                                                          LARGE CAP VALUE FUND
                   -------------------------------------------------------------------------------------------------
                           FOR THE              FOR THE PERIOD              FOR THE              FOR THE PERIOD
                         YEAR ENDED            JANUARY 2, 1997*           YEAR ENDED            JANUARY 16, 1997*
                       AUGUST 31, 1998      THROUGH AUGUST 31, 1997     AUGUST 31, 1998      THROUGH AUGUST 31, 1997
                   -----------------------  -----------------------    -------------------   -----------------------
                                  INSTITUTIONAL CLASS                                 INVESTOR CLASS
                   ------------------------------------------------    ---------------------------------------------
                     SHARES      VALUE        SHARES       VALUE       SHARES       VALUE       SHARES       VALUE
                   ---------   -----------   ---------  -----------    -------  -----------      ------     --------
<S>                <C>         <C>           <C>        <C>            <C>      <C>              <C>        <C>     
Sales ............ 3,041,088   $40,050,134   2,039,851  $22,696,509    619,068  $ 8,408,773      54,832     $645,780
Repurchases ......  (366,654)   (4,685,359)    (65,817)    (766,445)  (101,913)  (1,312,572)         --           --
Reinvestments ....   145,610     1,766,251          --           --      2,908       35,680          --           --
                   ---------   -----------   ---------  -----------    -------  -----------      ------     --------
Net Increase ..... 2,820,044   $37,131,026   1,974,034  $21,930,064    520,063  $ 7,131,881      54,832     $645,780
                   =========   ===========   =========  ===========    =======  ===========      ======     ========
<FN>
* Commencement of operations
</FN>
</TABLE>

                                       35
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                    NOTES TO FINANCIAL STATEMENTS (CONTINUED)

<TABLE>
<CAPTION>
                                                           MID CAP VALUE FUND
                   -------------------------------------------------------------------------------------------------
                           FOR THE              FOR THE PERIOD               FOR THE             FOR THE PERIOD
                         YEAR ENDED              JUNE 2, 1997*             YEAR ENDED             JUNE 2, 1997*
                       AUGUST 31, 1998      THROUGH AUGUST 31, 1997      AUGUST 31, 1998     THROUGH AUGUST 31, 1997
                   -----------------------  -----------------------    -------------------   -----------------------
                                  INSTITUTIONAL CLASS                                 INVESTOR CLASS
                   ------------------------------------------------    ---------------------------------------------
                     SHARES      VALUE        SHARES       VALUE       SHARES       VALUE       SHARES       VALUE
                   ---------   -----------   ---------  -----------    -------  -----------      ------     --------
<S>                <C>         <C>             <C>      <C>            <C>       <C>             <C>        <C>     
Sales ............ 7,123,576   $85,121,556     340,455  $ 3,678,511    189,066   $2,285,116      55,944     $591,595
Repurchases ......  (347,553)   (4,063,621)         --           --    (51,049)    (607,185)     (1,636)     (18,289)
Reinvestments ....     9,224       102,668          --           --      1,797       19,870          --           --
                   ---------   -----------     -------  -----------    -------  -----------      ------     --------
Net Increase ..... 6,785,247   $81,160,603     340,455  $ 3,678,511    139,814   $1,697,801      54,308     $573,306
                   =========   ===========     =======  ===========    =======  ===========      ======     ========
<FN>
* Commencement of operations
</FN>
</TABLE>

                                  MICRO CAP VALUE FUND
                      ---------------------------------------------
                        FOR THE PERIOD            FOR THE PERIOD
                         JULY 1, 1998*             JULY 1, 1998*
                            THROUGH                   THROUGH
                        AUGUST 31, 1998           AUGUST 31, 1998
                      --------------------      -------------------
                      INSTITUTIONAL CLASS         INVESTOR CLASS
                      --------------------      -------------------
                       SHARES      VALUE        SHARES      VALUE
                      -------   ----------      ------     --------
Sales ..............  146,905   $1,468,400      16,857     $167,453
Repurchases ........      (56)        (500)         --           --
                      -------   ----------      ------     --------
Net Increase .......  146,849   $1,467,900      16,857     $167,453
                      =======   ==========      ======     ========
- -------------
* Commencement of operations

                                                BOND FUND
                             ----------------------------------------------
                                FOR THE PERIOD            FOR THE PERIOD
                              DECEMBER 30, 1997*        DECEMBER 30, 1997*
                                    THROUGH                   THROUGH
                                AUGUST 31, 1998           AUGUST 31, 1998
                             ----------------------    --------------------
                              INSTITUTIONAL CLASS         INVESTOR CLASS
                             ----------------------    --------------------
                              SHARES       VALUE       SHARES       VALUE
                             ---------  -----------    ------      --------
Sales .....................  1,981,162  $19,941,980    18,299      $195,000
Repurchases ...............   (492,757)  (5,000,000)       (5)          (47)
Reinvestments .............     50,245      506,561     1,319         4,108
                             ---------  -----------    ------      --------
Net Increase ..............  1,538,650  $15,448,541    19,613      $199,061
                             =========  ===========    ======      ========
- -----------------
* Commencement of operations

                                       36
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                    NOTES TO FINANCIAL STATEMENTS (CONCLUDED)

     There is a 1.00%  redemption fee on shares  redeemed,  which have been held
365 days or less on the  Micro  Cap  Value  Fund.  For the  period  July 1, 1998
(commencement  of investment  operations)  through  August 31, 1998,  these fees
amounted to $5. The  redemption  fees are collected and retained by the Fund for
the benefit of the remaining shareholders.

     On  August  31,  1998  four  shareholders  held  approximately  39%  of the
outstanding  shares  of the  Large  Cap  Value  Fund  Institutional  Class,  one
shareholder held approximately 5% of the outstanding shares of the Mid Cap Value
Investor Class,  four shareholders  held  approximately  100% of the outstanding
shares of the Bond Fund Institutional  Class, one shareholder held approximately
15% of the Bond Fund Investor Class, four shareholders held approximately 88% of
the outstanding shares of the Micro Cap Value Fund  Institutional  Class and one
shareholder held  approximately  61% of the outstanding  shares of the Micro Cap
Value Investor Class.

5.   CAPITAL LOSS CARRYOVER

     At August 31, 1998, Capital loss carryovers were available to offset future
realized gains as follows: $1,534,804 in the Mid Cap Value Fund which expires in
2006 and $32,463 in the Micro Cap Value Fund which expires in 2006.

                                       37
<PAGE>

                        REPORT OF INDEPENDENT ACCOUNTANTS

To the Shareholders and Board of Directors of The RBB Fund, Inc.:

In our opinion, the accompanying statements of assets and liabilities, including
the  portfolio  of  investments,  of the Boston  Partners  Large Cap Value Fund,
Boston  Partners Mid Cap Value Fund,  Boston  Partners  Micro Cap Value Fund and
Boston  Partners Bond Fund of The RBB Fund,  Inc. (the "Fund"),  and the related
statements of operations and changes in net assets, and the financial highlights
present fairly, in all material  respects,  the financial position of the Boston
Partners  Large Cap Value  Fund,  Boston  Partners  Mid Cap Value  Fund,  Boston
Partners  Micro Cap Value  Fund and Boston  Partners  Bond Fund of The RBB Fund,
Inc.  at August  31,  1998,  the  results of their  operations  for the year (or
period)  then ended,  their net assets for each of the two years (or periods) in
the period  then ended,  and the  financial  highlights  for each of the periods
presented,  in conformity with generally accepted accounting  principles.  These
financial  statements  and  financial  highlights   (hereafter  referred  to  as
"financial  statements") are the  responsibility of the Fund's  management;  our
responsibility  is to express an opinion on these financial  statements based on
our audits. We conducted our audits of these financial  statements in accordance
with  generally  accepted  auditing  standards  which  require  that we plan and
perform the audit to obtain  reasonable  assurance  about  whether the financial
statements are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements,  assessing the accounting  principles used and significant estimates
made by management, and evaluating the overall financial statement presentation.
We believe that our audits,  which included  confirmation of securities owned at
August 31, 1998 by  correspondence  with the  custodian  and brokers,  provide a
reasonable basis for the opinion expressed above.

PRICEWATERHOUSECOOPERS LLP

2400 Eleven Penn Center
Philadelphia, Pennsylvania

October 2, 1998

                                       38
<PAGE>

                     BOSTON PARTNERS FAMILY OF MUTUAL FUNDS

                              LARGE CAP VALUE FUND
                               MID CAP VALUE FUND

                              MICRO CAP VALUE FUND
                                    BOND FUND

                     SHAREHOLDER TAX INFORMATION (UNAUDITED)

Each Fund is required by  Subchapter M of the Internal  Revenue Code of 1986, as
amended,  to advise its  shareholders  within 60 days of each Fund's fiscal year
end  (August  31,  1998) as to the U.S.  federal  tax  status  of  distributions
received by each Fund's  shareholders in respect of such fiscal  year.During the
fiscal year ended August 31, 1998, the following dividends and distributions per
share were paid by each of the Funds:

<TABLE>
<CAPTION>
                                                    ORDINARY INCOME             SHORT-TERM GAINS
                                              ------------------------     -------------------------
                                              INSTITUTIONAL   INVESTOR     INSTITUTIONAL    INVESTOR
FUND                                              CLASS         CLASS          CLASS          CLASS
- ----                                          -------------   --------     -------------    --------
<S>                                               <C>           <C>            <C>             <C>  
Boston Partners Large Cap Value Fund .......      $0.08         $0.06          $0.61           $0.48
Boston Partners Mid Cap Value Fund .........       0.01          0.01           0.14            0.21
Boston Partners Micro Cap Fund .............         --            --             --              --
Boston Partners Bond Fund ..................       0.39          0.36             --              --
</TABLE>

The percentage of total ordinary income  dividends from the Large Cap Value Fund
and Mid Cap Value Fund qualifying for the corporate dividends received deduction
for each Fund is 100%.

These  amounts were  reported to  shareholders  as income in 1997.  Because each
Fund's fiscal year is not the calendar year,  another  notification will be sent
with respect to calendar year 1998. The second notification,  which will reflect
the amount,  if any, to be used by calendar year taxpayers on their U.S. federal
income tax returns,  will be made in conjunction  with Form 1099-DIV and will be
mailed in January 1999.

Foreign  shareholders  will generally be subject to U.S.  withholding tax on the
amount of their  dividend.  They will generally not be entitled to a foreign tax
credit or deduction for the withholding taxes paid by the Funds, if any.

In general,  dividends received by tax-exempt recipients (e.g., IRAs and Keoghs)
need not be reported as taxable  income for U.S.  federal  income tax  purposes.
However, some retirement trusts (e.g.,  corporate,Keogh and 403(b)(7) plans) may
need this information for their annual information reporting.

Shareholders  are advised to consult  their own tax advisers with respect to the
tax consequences of their investment in the Funds.

39

<PAGE>

INVESTMENT ADVISOR
Boston Partners Asset Management, L.P.
28 State Street
Boston, MA 02109

ADMINISTRATOR
PFPC Inc.
400 Bellevue Parkway
Wilmington, DE 19809

DISTRIBUTOR
Provident Distributors, Inc.
Four Falls Corporate Center, 6th Floor
West Conshohocken, PA 19428-2961

CUSTODIAN
PNC Bank, N.A.
200 Stevens Drive
Lester, PA 19113

TRANSFER AGENT
PFPC Inc.
400 Bellevue Parkway
Wilmington, DE 19809

INDEPENDENT ACCOUNTANTS
PriceWaterhouseCoopers LLP
2400 Eleven Penn Center
Philadelphia, PA 19103

COUNSEL
Drinker Biddle & Reath
1345 Chestnut Street
Philadelphia, PA 19107

This report is submitted for the general information of the shareholders of each
Fund. It is not authorized for the distribution to prospective  investors in the
Funds  unless  it is  preceded  or  accompanied  by a current  prospectus  which
includes   details   regarding  the  Fund's   objectives,   policies  and  other
information.  Total investment return is based on historical  results and is not
intended to indicate  future  performance.  The investment  return and principal
value of an  investment  in the  Funds  will  fluctuate,  so that an  investor's
shares, when redeemed, may be worth more or less than original cost.


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