1

                                                                    EXHIBIT 11.1
                              COLLAGEN CORPORATION

                  Statement Regarding Weighted Average Common
                      and Common Equivalent Shares Used in
                        Computation of Per Share Income



Years Ended June 30,                                                    1995             1994             1993
- --------------------------------------------------------------------------------------------------------------
(In thousands, except per share amounts)
                                                                                              
Net income                                                            $8,760           $4,920          $ 8,743
                                                                 =============================================
Primary
- -------

Common Stock                                                           9,270            9,592            9,957
Stock Options (treasury stock method)                                    190              304              310
                                                                 ---------------------------------------------
Weighted average number of common and common equivalent
  shares outstanding                                                   9,460            9,896           10,267
                                                                 =============================================
Earnings per share - primary                                            $.93             $.50             $.85
                                                                 =============================================

Fully Diluted
- -------------

Common Stock                                                           9,270            9,586            9,957
Stock Options (treasury stock method)                                    211              321              321
                                                                 ---------------------------------------------
Weighted average number of common and common equivalent
  shares outstanding                                                   9,481            9,907           10,278
                                                                 =============================================
Earnings per share - fully diluted                                       NA*              NA*              NA*
                                                                 =============================================


__________________________________

* Not applicable - dilution less than 3%.