Ricketts, Edward Flanders Between Pacific tides [by] Edward F. Ricketts and Jack Calvin. Rev. by Joel W. Hedgpeth. - 4th ed. - Stanford, Calif. Stanford University Press 1968. - xiv, 614 p. illus. (part col.), ports. 24 cm. Includes bibliographies. LCCN: 68017140 //r853 Subjects--Topical Terms: Marine invertebrates--Pacific Coast (U.S.)Animals--Habitations.Seashore biology--Pacific Coast (U.S.)Intertidal ecology--Pacific Coast (U.S.) LC Class. No.: QL138 / .R5 1968 Dewey Class. No.: 591.9/2/6