UNIVERSITY OF CALIFORNIA

DEPARTMENT OF BACTERIOLOGY
BERKELEY

June 3, 1947

Dr. Joshua Lederberg

Osborn Botanical Laboratory
Yale University

New Haven, Connecticutt

Dear Dr. Lederberg:

I have your card of May 20, asking for copies of "Experiments
on the Adaptation of Escherichia Coli to Sodium Chloride" and
regret very moh thet I am unable to send them along since I
have no more and the article has been out of print for several
yearse

Sincerely yours,

, Pn AR
Mie Cope b shew S oe

Michael Doudoroff

MDM