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

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 4 )*

                              Derma Sciences, Inc.
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                                (Name of Issuer)

                          Common Stock, $0.01 par value
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    249827205
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                                 (CUSIP Number)

                                Raymond C. Hedger
                                 Hedger & Hedger
               2 Fox Chase Drive, P.O. Box 915, Hershey, PA 17033
                                 (717)534-9993
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                 (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                  April 30, 2003
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                      (Date of Event which Requires Filing
                               of this Statement)

If the filing person has previously filed a statement of Schedule 13G to report
the acquisition which is the subject of the Schedule 13D, and is filing this
schedule because of ss. 240.13d-1(e), ss. 240.13d-1(f) or ss. 240.13d-1(g),
check the following box [ ].

Note: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See ss. 240.13d-7(b) for other
parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

                        (Continued on following page(s))



PAGE 2

CUSIP No.  249827205                                                Schedule 13D
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   1 NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Stephen T. Wills, CPA, MST    190-50-9087
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   2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a)  [  ]
                                                                       (b)  [  ]
--------------------------------------------------------------------------------
   3 SEC USE ONLY

--------------------------------------------------------------------------------
   4 SOURCE OF FUNDS*

         PF
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   5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) OR 2(e)                                                     [  ]

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   6 CITIZENSHIP OR PLACE OF ORGANIZATION

         United States
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   NUMBER OF SHARES        7   SOLE VOTING POWER

     BENEFICALLY                            336,336
                           -----------------------------------------------------
    OWNED BY EACH          8   SHARED VOTING POWER

      REPORTING
                           -----------------------------------------------------
     PERSON WITH           9   SOLE DISPOSITIVE POWER

                                            336,336
                           -----------------------------------------------------
                           10  SHARED DISPOSITIVE POWER


--------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         336,336
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  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

                                                                            [  ]
--------------------------------------------------------------------------------
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         6.90%
--------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*

         IN
--------------------------------------------------------------------------------




PAGE 3

CUSIP No.  249827205                                                Schedule 13D

ITEM 1.  SECURITY AND ISSUER

This Schedule 13D relates to the common stock, $.01 par value (the "Common
Stock"), of Derma Sciences, Inc., a Pennsylvania corporation (the "Issuer"),
whose principal executive offices are located at 214 Carnegie Center, Suite 100,
Princeton, New Jersey 08540.


ITEM 2.  IDENTITY AND BACKGROUND

This Schedule 13D is being filed by Stephen T. Wills, CPA, MST (the "Reporting
Person"). Certain information with respect to the Reporting Person is set forth
below:

       Name and Address:                       Stephen T. Wills, CPA, MST
                                               Chief Financial Officer
                                               Palatin Technologies, Inc.
                                               4C Cedar Brook Drive
                                               Cranbury, NJ 08512

       Principal Occupation:                   Chief Financial Officer of
                                               Palatin Technologies, Inc.

       Criminal convictions:                   None

       Civil proceedings:                      None

       Citizenship:                            United States


ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

The source and amount of funds used to effect the purchase of 10,000 shares of
the Issuer's common stock described under Item 5 were personal funds of the
Reporting Person in the amount of $5,000.


ITEM 4.  PURPOSES OF THE TRANSACTIONS

The purpose of the reported, and all previous, acquisitions of the Issuer's
Common Stock, together with options to purchase same, is investment without a
view, presently or ultimately, to acquiring control of the Issuer. The Reporting
Person serves as a member of the board of directors of the Issuer. In this
capacity, the Reporting Person has proposed, and may in the future propose,
candidates for election to the Issuer's board of directors. There is no
agreement or arrangement between the Reporting Person and the Issuer with
respect to election of candidates proposed by the Reporting Person. The
inclusion of such candidates in management's slate of directors to be submitted
for consideration by the Issuer's shareholders is entirely at the discretion of
the Issuer's board of directors.




PAGE 4

CUSIP No.  249827205                                                Schedule 13D




ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER

The following table sets forth shares of the Issuer's Common Stock as to which
the Reporting Person maintains beneficial ownership. The Reporting Person
maintains both voting power and dispositive power relative to all such shares:

                        Beneficial Common Stock Ownership
                        ---------------------------------

          Owned outright                                       95,668
          Exercisable options (1)                              15,000
          Exercisable options (2)                              32,000
          Exercisable options (3)                              15,000
          Exercisable options (4)                              30,000
          Exercisable options (5)                              65,000
          Exercisable options (6)                              25,000
          Exercisable warrants (7)                             58,668

          Total beneficially owned                            336,336
                                                              =======

          Percentage of class beneficially owned                6.90%
___________________________
(1) Exercisable at $5.00 per share.
(2) Exercisable at $6.00 per share.
(3) Exercisable at $0.75 per share.
(4) Exercisable at $0.40 per share.
(5) Exercisable at $0.51 per share.
(6) Exercisable at $0.50 per share.
(7) Exercisable at $0.85 per share.

On April 30, 2003 the Reporting Person purchased from the Issuer 10,000 shares
of the Issuer's common stock, $0.01 par value, at a per share price of $0.50 for
a total investment of $5,000. Previously, the Reporting Person had purchased in
the same offering 20,000 shares of the Issuer's common stock at a per share
price of $0.50 for a total price $10,000. To date, the Reporting Person and
approximately 20 other institutional and individual investors purchased
3,270,000 shares of the Issuer's common stock, in the same offering and upon
identical terms, for a total investment of $1,635,000. The foregoing sales and
purchases were effected in transactions not involving a public offering.





PAGE 5

CUSIP No.  249827205                                                Schedule 13D

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
SECURITIES OF THE ISSUER

None.


ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS

None.


SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.



                                              /s/      Stephen T. Wills
                                              ----------------------------------
                                              By:    Raymond C. Hedger, Jr.
                                                        Attorney-in-Fact

May 7, 2003


                   POWER OF ATTORNEY INCORPORATED BY REFERENCE

The limited power of attorney dated September 11, 2000 and filed with the SEC on
September 11, 2000 with Schedule 13D for Stephen T. Wills, is incorporated by
reference.