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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000902664-99-000133.txt : 19990217
<SEC-HEADER>0000902664-99-000133.hdr.sgml : 19990217
ACCESSION NUMBER:		0000902664-99-000133
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		19990216

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MYRIAD GENETICS INC
		CENTRAL INDEX KEY:			0000899923
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				870494517
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		
		SEC FILE NUMBER:	005-48577
		FILM NUMBER:		99539355

	BUSINESS ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

	MAIL ADDRESS:	
		STREET 1:		390 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARDSLEY ADVISORY PARTNERS
		CENTRAL INDEX KEY:			0000900529
		STANDARD INDUSTRIAL CLASSIFICATION:	 []
		IRS NUMBER:				0
		STATE OF INCORPORATION:			CT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		646 STEAMBOAT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	MAIL ADDRESS:	
		STREET 1:		CHRISTINE Y HOMER
		STREET 2:		900 THIRD AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<TEXT>







               SECURITIES AND EXCHANGE COMMISSION
                     Washington, D.C. 20549
                        ________________

                          SCHEDULE 13G
                        ________________

            INFORMATION TO BE INCLUDED IN STATEMENTS FILED
         PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS
              THERETO FILED PURSUANT TO RULE 13d-2(b)

                       (AMENDMENT NO. 2)1

                      Myriad Genetics, Inc.
                        (NAME OF ISSUER)

                 Common Stock, $0.01 par value
                 (TITLE OF CLASS OF SECURITIES)

                          62855J 10 4
                         (CUSIP NUMBER)

                          December 31, 1998
        (Date of Event which requires Filing of this Statement)

        Check the appropriate box to designate the rule
        pursuant to which this Schedule is filed:

                  x Rule 13d-1(b)
                  o Rule 13d-1(c)
                  o Rule 13d-1(d)



__________________

1    The remainder of this cover page shall be filled out for a reporting
     person's initial filing on this form with respect to the subject class
     of securities, and for any subsequent amendment containing information
     which would alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not
     be deemed to be "filed" for the purpose of Section 18 of the Securities
     Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
     that section of the Act but shall be subject to all other provisions of
     the Act (however, see the Notes).


                              PAGE 1 OF 5 PAGES 
<PAGE



                               13G

CUSIP No.  62855J 10 4
_____________________________________________________________________________
     (1)  NAME OF REPORTING PERSON 
          S.S. OR I.R.S. IDENTIFICATION NO. 
          OF ABOVE PERSON 
          Ardsley Advisory Partners
_____________________________________________________________________________
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** 
                                                                    (a)  [ ] 
                                                                    (b)  [x] 
_____________________________________________________________________________
     (3)  SEC USE ONLY 

_____________________________________________________________________________
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION 
          Connecticut
_____________________________________________________________________________

NUMBER OF      (5)  SOLE VOTING POWER 
                    0
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER 
                    0
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER 
                    0
_____________________________________________________________________________
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON 
               0
_____________________________________________________________________________
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT 
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ] 
_____________________________________________________________________________
    (11)  PERCENT OF CLASS REPRESENTED 
          BY AMOUNT IN ROW (9)           
               0%
_____________________________________________________________________________
    (12)  TYPE OF REPORTING PERSON **
               IA
_____________________________________________________________________________
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!

                              PAGE 2 OF 5 PAGES
<PAGE



                               13G

CUSIP No.  62855J 10 4
_____________________________________________________________________________
     (1)  NAME OF REPORTING PERSON 
          S.S. OR I.R.S. IDENTIFICATION NO. 
          OF ABOVE PERSON 
          Philip J. Hempleman
_____________________________________________________________________________
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** 
                                                                    (a)  [ ] 
                                                                    (b)  [x] 
_____________________________________________________________________________
     (3)  SEC USE ONLY 

_____________________________________________________________________________
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION 
          United States
_____________________________________________________________________________

NUMBER OF      (5)  SOLE VOTING POWER 
                    0
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER 
                    0
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER 
                    0
_____________________________________________________________________________
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON 
               0
_____________________________________________________________________________
    (10)  CHECK BOX IF THE AGGREGATE AMOUNT 
          IN ROW (9) EXCLUDES CERTAIN SHARES **                          [ ] 
_____________________________________________________________________________
    (11)  PERCENT OF CLASS REPRESENTED 
          BY AMOUNT IN ROW (9)           
               0%
_____________________________________________________________________________
    (12)  TYPE OF REPORTING PERSON **
               IN
_____________________________________________________________________________
             ** SEE INSTRUCTIONS BEFORE FILLING OUT!

                              PAGE 3 OF 5 PAGES
<PAGE



          The Schedule 13G initially filed for the year ended December 31, 1996
 of 
(i) Ardsley Advisory Partners and (ii) Philip J. Hempleman relating to the 
common 
stock, par value $.01 (the "Common Stock"), issued by Myriad Genetics, Inc.
 (the 
"Company") and amended by Amendment No. 1 filed February 9, 1998 is hereby 
amended by this Amendment No. 2 as follows to account for the disposition by
 the Reporting Persons of all the Common Stock of the Company beneficially
 owned by the Reporting 
Persons:


ITEM 4.   OWNERSHIP.

          (a)  Amount beneficially owned:  0

          (b)  Percent of class:  

          0%

          (c)  Number of shares as to which such person has:

               (i)   sole power to vote or to direct the vote
                     0
               (ii)  shared power to vote or to direct the vote
                     0
               (iii) sole power to dispose or to direct the disposition of
                     0
               (iv)  shared power to dispose or to direct the disposition of
                     0

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
          If this statement is being filed to report the fact that as of the 
date 
hereof, the reporting person has ceased to be the beneficial owner of more than 
five percent of the class of securities, check the following [x].

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
          Not Applicable.

                             PAGE 4 OF 5 PAGES
<PAGE>
















ITEM 10.  CERTIFICATION.  (if filing pursuant to Rule 13d-1(b))

          By signing below Ardsley Advisory Partners and Philip J. Hempleman
certify that, to the best of their knowledge and belief, the securities
referred to above were acquired in the ordinary course of business, 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 their knowledge and
belief, the undersigned certify that the information set forth in this
statement is true, complete and correct.




                              February ____, 1999



                              /s/Philip J. Hempleman
                              ----------------------
                              Philip J. Hempleman, as
                              Managing Partner of 
                              Ardsley Advisory Partners


                              /s/Philip J. Hempleman
                              ----------------------
                              Philip J. Hempleman

                              PAGE 5 OF 5 PAGES

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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