UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
1. Name and Address of Reporting Person
Harvey, Joni
10070 Barnes Canyon Blvd.
San Diego, CA 92121
2. Date of Event Requiring Statement (Month/Day/Year)
4/6/98
3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary)
4. Issuer Name and Ticker or Trading Symbol
Molecular Biosystems, Inc. (MB)
5. Relationship of Reporting Person to Issuer (Check all applicable)
[ ] Director [ ] 10% Owner
[X] Officer (give title below) [ ] Other (specify below)
Vice President of
Manufacturing
6. If Amendment, Date of Original (Month/Day/Year)
7. Individual or Joint/Group Filing (Check Applicable Line)
[X] Form filed by One Reporting Person
[ ] Form filed by More than One Reporting Person
<TABLE>
<CAPTION>
Table I Non-Derivative Securities Beneficially Owned
- -----------------------------------------------------------------------------------------------------
1)Title of Security 2)Amount of 3) 4)Nature of
Securities D Indirect
Beneficially or Beneficial
Owned I Ownership
- -----------------------------------------------------------------------------------------------------
<S> <C> <C> <C>
<CAPTION>
Table II Derivative Securitites Beneficially Owned
- ------------------------------------------------------------------------------------------------------------------------------------
1)Title of Derivative Security 2)Date Exercisable 3)Title and Amount of 4)Conver- 5)Ownership 6)Nature of
and Expiration Date Securities Underlying sion or Form of Indirect
(Month/Day/Year) Derivative Security exercise Derivative Beneficial
price of Security Ownership
Date Expira- Amount or Deri- Direct(D)
Exer- tion Number of vative or
cisable Date Title Shares Security Indirect(I)
- ------------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C>
Non-Qualified Stock Option 11/18/96 11/19/06 Common Stock 10,000 $6.8750 D Direct
(right to buy) (1)
Non-Qualified Stock Option 02/12/99 02/12/08 Common Stock 24,000 $7.4375 D Direct
(right to buy) (2)
Non-Qualified Stock Option 09/05/96 09/05/06 Common Stock 10,000 $7.5000 D Direct
(right to buy) (3)
Non-Qualified Stock Option 09/06/95 09/06/05 Common Stock 15,000 $7.8750 D Direct
(right to buy) (4)
Non-Qualified Stock Option 04/11/97 04/11/06 Common Stock 5,000 $8.5000 D Direct
(right to buy) (5)
Non-Qualified Stock Option 01/15/98 01/15/07 Common Stock 20,000 $11.1250 D Direct
(right to buy) (6)
<FN>
Explanation of Responses:
(1)
Options vest in equal yearly installments of 25% beginning 11/18/97.
(2)
Options vest in equal yearly installments of 25% beginning 2/12/99.
(3)
Options vests in equal yearly installments of 25% beginning 9/5/96.
(4)
Options vest in equal yearly installments of 25% beginning 9/6/95.
(5)
Options vest in the following manner: 1,250 on 4/11/97, 1,500 on 4/11/98, and 2,250 on 4/11/99.
(6)
Option vests in equal yearly installments of 25% beginning 1/15/98.
</FN>
</TABLE>
SIGNATURE OF REPORTING PERSON
/S/ Harvey, Joni
DATE 04/16/98
