A Monograph of the East American Scaphopod

Government Print, Washington, 1920. Paper Cover. Book Condition: Good. No Jacket. First. 8vo - over 7¾ - 9¾ tall. Smithsonian Institution US National Museum Bulletin 111. Good tight copy. Chipped at spine ends. 150pp plus 20 plates and index at rear. Top corner of front cover missing. Text unaffected.