Direction 44 Correction of certain entries relating to the names of genera in the class Aves made on the Official List of Generic Names in Zoology in the period up to the close of 1936 and addition to the Official Indexes of Rejected and Invalid names in Zoology of certain names given to genera and species of the same class
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1956, in volume 1D, issue D.8, pages 211-232
Date published:1956-10-19