UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 10-Q/A
                                     (Mark One)


|X|  Quarterly Report Pursuant to Section 13 or 15(d)of the Securities
     Exchange Act of 1934

For the period ended April 30, 1996

|_|  Transition Report Pursuant to Section 13 or 15(d)of the Securities Exchange
     Act of 1934.

For the transition period from  __________________ to ___________________

Commission file number  1-10870
                        -------

                               BIOWHITTAKER, INC.
             -----------------------------------------------------
             (Exact name of Registrant as specified in its charter)



          Delaware                                            95-3917176
 ------------------------------                           -----------------
(State or other Jurisdiction of                           (I.R.S. Employer
  Incorporation or Organization)                           Identification No.)



8830 Biggs Ford Road, Walkersville, Maryland                   21793-0127
- --------------------------------------------              ------------------
  (Address of Principal Executive Offices)                     (zip code)


                                 (301) 898-7025
              ----------------------------------------------------
              (Registrant's telephone number, including area code)



        Indicate  by check  whether  the  registrant:  (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days.

                                                       |X|    Yes      |_|  No

        The  number of shares  outstanding  of the  Registrant's  only  class of
common stock as of April 30, 1996 was 10,759,199.




                               BIOWHITTAKER, INC.
                           PART II. OTHER INFORMATION

Item 6. Exhibits and Reports on Form 8-K.

        (a) Exhibits

          27.  Financial Data Schedule.




                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  Registrant  has duly  caused  this Report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                      BIOWHITTAKER, INC.


Date:   July 18,  1996                By   /S/PHILP L. ROHRER, JR.
      ----------------------            -------------------------------------
                                        Philip L. Rohrer, Jr., Vice President
                                             (Principal Financial Officer)