Demerec standing outside holding a larg folded map.; Hand written text on album page below photograph: "The daily Drosophila Seminars were among the nicest things that happened all summer. Dr. Demerec spoke with the aid of the big salivary map."
Full length view of Demerec walking.; Hand written note on album page beneath photograph: "Long Island Biological Laboratory, Summer 1941. The Director."
Four men posing around automobile.; Hand written note on album page beneath photograph: "The Dobzansky's beautiful new car, completely surrounded by big shots -- Kaufmann, Demerec, Dobzhansky, Fano."
Full view of three men standing outside talking, with plants and building in background.; Photograph taken during the Genetics Society of America Meeting, August 27-29, 1941.