The Cnidaria and their evolution : the proceedings of a symposium held at the Zoological Society of London on 3 and 4 March 1965 / edited by W.J. Rees. Rees, W. J. (William James) Zoological Society of London. Ctenophora. QL1 .Z733 no. 16 593.5 REC Includes bibliographical references and index. London : Published for the Zoological Society of London by Academic Press, cc1966. cc1966. 1966 Text xviii, 449 p. : eng Symposia of the Zoological Society of London, no. 16 Symposia of the Zoological Society of London ; no. 16.