United States
                        Security and Exchange Commission
                             Washington, D.C. 20549


                                  Schedule 13G

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



                                 COLLAGEN CORP.
                                ----------------
                                (Name of Issuer)


                                  COMMON STOCK
                         ------------------------------
                         (Title of Class of Securities)


                                    194194106
                                 --------------
                                 (CUSIP Number)







CUSIP No.  194194106                                         13G

- -------------------------------------------------------------------------------
1  NAME OF REPORTING PERSON
     S.S. OR IRS IDENTIFICATION NO. OF ABOVE PERSON
         DePrince, Race & Zollo, Inc.
         59-3299598

- -------------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                              (a)  x
                                                              (b)
- -------------------------------------------------------------------------------
3  SEC USE ONLY


- -------------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION
     Incorporated in the State of Florida

- -------------------------------------------------------------------------------
                  5     SOLE VOTING POWER
NUMBER OF                                                     0
SHARES
- -------------------------------------------------------------------------------
BENEFICIALLY      6     SHARED VOTING POWER
OWNED BY                                                      none
EACH
- -------------------------------------------------------------------------------
REPORTING         7     SOLE DISPOSITIVE POWER
PERSON                                                        0
WITH
- -------------------------------------------------------------------------------
                  8     SHARED DISPOSITIVE POWER
                                                              none
- -------------------------------------------------------------------------------
9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         $0

- -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

         No

- -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

         0%

- -------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

         IA





                                  SCHEDULE 13 G

Item 1.
(a) Collagen Corp.

(b) 2500 Faber Place
    Palo Alto, CA  94303

Item 2.
(a) DePrince, Race & Zollo, Inc.

(b) 201 S. Orange Ave, Suite 850
    Orlando, FL 32801

(c) USA

(d) common stock

(e) 194194106

Item 3.
(e) X

Item 4. Ownership
(a) $0
(b) 0%
(c) (i)    0 shares
    (iii)  0 shares

Item 5. Ownership of Five Percent or Less of a Class
N/A

Item 6. Ownership of More than Five Percent on Behalf of Another Person.
N/A

Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company
N/A

Item 8. Identification and Classification of Members of the Group
N/A

Item 9. Notice of Dissolution of Group
N/A



Item 10. Certification

By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired in the ordinary course of business
and were not acquired for the purpose of and do not have the effect of changing
or influencing the control of the issuer of such securities and were not
acquired in connection with or as a participant in any transaction having such
purposes or effect.

                                    SIGNATURE

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.




                                          Date 10/11/1999

                                          /s/ GREGORY M. DEPRINCE
                                          -----------------------
                                                    Signature

                                          GREGORY M. DEPRINCE - PARTNER
                                          -----------------------------
                                                   Name/Title