EXHIBIT 23.1
                      CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by 
reference in this registration statement of our report dated February 20, 
1998 included in Gene Logic, Inc.'s Form 10-K for the year ended December 31, 
1997 and to all references to our Firm included in this registration 
statement.


/s/ Arthur Andersen LLP
Baltimore, Maryland,
May 19, 1998