May 8, 1952 Addvancea in Enzymology GensLemen: Jacques Monod and Melvin Cohn were kind ono to let me read a cop of their ms. "La biosynthese induite des ensymes (Adaptation Ensymatique)" which I understand is now {n press for a forthcoming volum. If it is not too late, may I point out a typographical error for correction: on p. 49, last line, of the ms., m@me facteur (lac)~ de Lederberg).... should read meme facteur (lac, de Lederberg).... ‘I have already written to Monod mentioning that I-would notify you directly to save time. Sincerely, Joshua Lederberg Associate Professor of Genetics