THE UNIVERSITY OF TEXAS
AUSTIN 12

DEPARTMENT OF BACTERIOLOGY

19 February 1952

Dr. Joshua Lederberg
Department of Genetics
University of Wisconsin
Madison 6, Wisconsin
Dear Dr. Lederberg:
I wish to thank you for your generous response in sending us the

3 coli mtants and also your February 14 letter. They arrived in
good condition.

Sincerely yours,
(Jackson w. Foster

IWF: jc