A Monograph of the Molluscan Fauna of the Orthaulax Pugnax Zone of the Oligocene of Tampa, Florida

Government Print, Washington, 1915. Paper Cover. Book Condition: Very Good. No Jacket. First. 8vo - over 7¾ - 9¾ tall. Smithsonian Institution US National Museum Bulletin 90. Good tight copy. Chipped at spine ends. 167pp plus 26 plates and index at rear. Previous owner's name on front cover.