U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 3
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
1. Name and Address of Reporting Person
Weisbach, Jerry A.
c/o Xytronyx, Inc.
Suite A
6730 Mesa Ridge Road
San Diego, CA 92121
2. Date of Event Requiring Statement (Month/Day/Year)
12/17/96
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Issuer Name and Ticker or Trading Symbol
Xytronyx, Inc.
XYX
5. Relationship of Reporting Person to Issuer (Check all applicable)
(X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other
(specify below)
6. If Amendment, Date of Original (Month/Day/Year)
<TABLE>
<CAPTION>
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Table I -- Non-Derivative Securities Beneficially Owned |
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1. Title of Security |2. Amount of |3. Ownership |4. Nature of Indirect |
| Securities | Form: | Beneficial Ownership |
| Beneficially | Direct(D) or | |
| Owned | Indirect(I) | |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C>
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<CAPTION>
___________________________________________________________________________________________________________________________________
Table II -- Derivative Securitites Beneficially Owned |
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1.Title of Derivative |2.Date Exer- |3.Title and Amount | |4. Conver-|5. Owner- |6. Nature of Indirect |
Security | cisable and | of Underlying | |sion or |ship: | Beneficial Ownership |
| Expiration | Securities | |exercise |Form of | |
| Date(Month/ |-----------------------|---------|price of |Deriv- | |
| Day/Year) | |Amount |deri- |ative | |
| Date | Expira- | |or |vative |Security: | |
| Exer- | tion | Title |Number of|Security |Direct(D) or | |
| cisable | Date | |Shares | |Indirect(I) | |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C> <C> <C> <C> <C>
___________________________________________________________________________________________________________________________________|
</TABLE>
Explanation of Responses:
SIGNATURE OF REPORTING PERSON
/s/ Jerry A. Weisbach
DATE
5/18/97
