In a total of seventy-eight reported cases of granuloma coccidioides, in which the residence of the patients was known, seventy came from California. Dr. W. M. Dickie,1 director of public health for the state of California, reported that he had the records of 160 cases. As much of the work in this disease has been done by men from California, the presentation of our cases at the first meeting of the American Dermatological Association to be held in that state seems appropriate. DIFFERENCE BETWEEN GRANULOMA COCCIDIOIDES AND BLASTOMYCETIC DERMATITIS There is little need to reopen the discussion as to the identity of this disease and blastomycosis. Practically all who are familiar with it recognize granuloma coccidioides as a distinct clinical entity. While there are both clinical and mycologic resemblances, enough sharply defined points of differentiation, both clinical and mycologic, remain to make each one a disease apart. Clinically, the