pf OPINIONS AND DECLARATIONS RENDERED BY THE INTER-NATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE Edited by FRANCIS HEMMING, c.m.g., c.b.e. Secretary to the Commission VOLUME 11. Part 3. Pp. 47—78 OPESflON 353 Validation under the Plenary Powers of the generic name Hoplites Neumayr, 1875 (Class Cephalopoda, Order Ammonoidea) LONDON : Printed by Order of the International Trust for Zoological Nomenclature and Sold on behalf of the International Commission on Zoological Nomenclature by the International Trust at its Publications Office 41, Queen's Gate, London, S.W.7 1955 Price Sixteen Shillings {All rights reserved) Issued 5th August, 1955