Clarke, Arthur Haddleton, 1926- Clarke, Arthur Haddleton, 1926- Polymorphism in marine mollusks and biome development / Arthur H. Clarke. - Washington : Smithsonian Institution Press, 1978. - Smithsonian contributions to zoology ; no. 274 . Bibliography: p. 13-14. LCCN: 77016821 //r85 Subjects--Topical Terms: Mollusks -- Arctic regions.--Mollusks -- Arctic regions.Mollusks -- Tropics.--Mollusks -- Tropics.Polymorphism (Zoology)Animal societies.Marine ecology. LC Class. No.: QL1 QL429 / .S54 no. 274 Dewey Class. No.: 591/.08 s 594/.09/28