Public Health Reports, June 26, 1914. The etiology of pellagra. The significance of certain epidemiological observations with respect thereto.

At the National Conference on Pellagra held in Columbia, S. C., November 3, 1909, Siler and Nichols in their paper on the "Aspects of the pellagra problem in Illinois" stated that certain facts "would seem to indicate that the exciting cause of the disease is present within the institution" (Peoria State Hospital), and add that "at the same time no nurses, attendants, or employees have shown the disease." Manning, medical superintendent of the asylum at Bridgetown, Barbados, on the same occasion, in arguing against the identity of a disease that he called a; 4 ~~~psilosis pigmentosa, with pellagra, but which undoubtedly is this disease, states _ ~~~that he had never seen it develop in an attendant. "M ~~~At the same confere'nce Mobley, from the Georgia State Sanitarium, in the course of his discussion of the relation of pellagra to insanity, presents data showing that at the Georgia State Sanitarium a considerable proportion of the cases of pellagra develop in inmates who have been residents therein for conMK