History and Activities of the U.s.s.r. Academy of Sciences during the past Twenty-five Years.

Obituary: Charles Benedict Davenport: DR. OSCAR RIDDLE. Leroy Sheldon Palmer: DR. CORNELIA KENNEDY. Deaths and Memorials .................. 441 Scientific Events: The Hall of Mexican and Central American Archeology of 'the American Museum of Natural History; The Munsell Foundation to Promote Color Standardization; The North Carolina State College Chapter of the Society of the Sigma Xi; Elections oftheNational Acad my of Sciences .................................... 443