SCHEDULE 13D/A
NAME OF ISSUER: METRA BIOSYSTEMS
TITLE OF CLASS OF SECURITIES: COMMON STOCK
CUSIP NUMBER: 59114210
NAME, ADDRESS AND TELEPHONE NO: KURT AMUNDSON, 265 NORTH WHISMAN ROAD,
MOUNTAIN VIEW, CA 94043 PH: 415-903-9100
DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT: 4/10/98
1. NAME OF REPORTING PERSONS: IRS: ID NOS. OF ABOVE PERSON:
MITCHELL & HENRY, INC. - 13-3627401
2. CHECK BOX IF A MEMBER OF A GROUP (B) x
3. SEC use only
4. Source of Funds 00
5. Check if Disclosure of Legal Proceedings is Require Pursuant to Items
2(d) or 2 (e) not sure - no proceedings.
6. Citizenship or Place of Organization - State of New York
7. Sole Voting Power -
8. Shared Voting Power -Mitchell & Henry, Inc. -629,500
9. Sole Dispositive Power - Mitchell & Henry, Inc. -629,500
10. Shared Dispositive Power
11. Aggregate Amount Beneficially Owned by Each Reporting Person 629,500
12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares
13. Percent of Class Represented by Amount in Row (11) 4.97%
14. Type of Reporting Person
MITCHELL & HENRY, INC.-IA
CUSIP NO: 59114210
SCHEDULE 13D
ITEM #1- METRA BIOSYSTEMS
ITEM #2-a- Mitchell & Henry, Inc.-Robert A. Henry, President; Thomas S.
Mitchell, Chief Investment Officer
b- POB 31
Lake Placid, NY 12946
C- Investment Advisor
D- During the last five years, Mitchell & Henry, Inc., Thomas S.
Mitchell and/or Robert A. Henry, have not been convicted in a
criminal proceeding.
E- During the last five years, Mitchell & Henry, Inc., Thomas S.
Mitchell and/or Robert A. Henry, have not a party to a civil
proceeding of a judicial or administrative body of competent
jurisdiction and as a result of such proceeding was or is
subject to a judgment, decree or final order
enjoining future violations of, or prohibiting or mandating
activities subject to, federal or state securities laws or
finding any violation with
respect to such laws.
F- U.S.A.
ITEM #3- Cash from Advisory Accounts
ITEM #4- For Investment Purposes only.
ITEM #5a- 629,500/ 12,650,000 = 4.97%
b- Thomas S. Mitchell and Robert A. Henry shared dispositive power
and shared voting power
c- 6,000 shares purchased to settle 4/10/98 through NASDAQ and in
negotiated transactions at prices from $2.25 -$2.30 per
share.
d- not applicable
e- not applicable
ITEM #6- not applicable
ITEM #7- not applicable
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: April 10, 1998
Signature: Thomas S. Mitchell
Title: Chief Investment Officer
