CITY OF DALLAS TEXAS V.R.SMITHAM PUBLIC HEALTH DEPARTMENT IT MAN ASE J..W. BASS, M.D. DIRECTOR October 1h, 1946 Mr. Joshua Lederberg Osborn Botanical Laboratory New Haven, Connecticut Dear Sir: We have few specimens of Salmonella, those which have come to our attention have been the typhi strains. In Texas, the typing of Salmonella is done by Dr. MacDonald Fulton, University of Texas Medical College, Galveston, Texas, to whom we are referring your letter of October 8, 1916. Very truly, WR W. Bass, M. D., JWEB:M Director of Public Health