Textbook of zoology : Invertebrates; Vol. 1 / ed. by A. J. Marshall ...[et.al.] Marshall, A. J. ...[et.al.] Invertebrates. zoology. 7th. 590 PAT Includes bibliographical references and index. London : Macmillan, c1972. c1972. 1972 Text xix, 874p. : eng