Jan. 10, 1949. Dear Lauria, - First, thank you very mnoh for your hospitality on this lest trip. i am sorry to have been so much trouble about those folders, and hope you will not mike any special effort to recover then. Separately, I have sent you a culture of "T. ccli mtsbile lwoffi*, wu", which as far as I know is prototrophic. There is also a K-12 for Cunsalus; I hac forgotten whether you have a trensfer at Bloomington or not. iy expsuce account coms to 855. . Plane: 47.50 Derth, trains 15.00 . Hotel ยง.00 @als,lips, Cubs ete. 27659 Sincerely, Joshua Lederberg