Direction 23: Action Taken in Completion of the Rulings Given under the Plenary Powers in Opinion 108 and Opinion 109 Validating the Generic Names Gazella Blainville, 1816, and Hippotrrpps Sundevall, 1846, Respectively (Class Mammalia)

Direction 24: Completion of the Entries Relating to the Names of Certain Genera in the Class Mammalia Made on the Generic Names in Zoology in the Period up to the End of 1936

Direction 25: Validation, under the Plenary Powers, of the Generic Name Favus Lanchester, 1900 (Class Crustacea, Order Decapoda Validation of an Erroneous Entry on the Official List of Generic Names in Zoology Made by the Ruling Given in Opinion 73)

Direction 26: Determination of the Gender to be Attributed to the Names of Ninety-Eight Genera of Birds Placed on the Official List of Generic Names in Zoology in the Period up to the End of 1936

Direction 27: Addition to the Official List of Family Group Names in Zoology of Family-group Names based upon the Names of Certain Genera of nonmarine Mollusca Placed on the Official List of Generic Names in Zoology by the Ruling Given in Opinion 335

Direction 28: Addition to the Official List of Family Group Names in Zoology or, as the Case may be, to the Official Index of Rejected and Invalid Family Group Names in Zoology of the Family-group Names Involved in the Cases Dealt with in the Opinion s Included in Volume 10 of the Opinion s and Declarations Rendered by the International Commission on Zoological Nomenclature, Other than family-group Names already Dealt with in those Opinion s or in Directions included in that Volume

Direction 29: Substitution of an AmEnded Entry on the Official List of Generic Names in Zoology Relating to the Name Segestria Latreille, 1804 (Class Arachnida) in Place of the Incorrect Entry thereon of the Name Segestria Walckenaer, 1805, made by the Ruling Given in Opinion 104

DIRECTION 3: Determination of the gender to be attributed to certain generic names placed on the Official List of Generic Names in Zoology by the Rulings given in Opinions 182—194

Direction 30: Determination of the Gender to be Attributed to the Names of Fifty-seven Genera of Fishes,Cyclostomes, Reptiles and Amphibia Placed on the Official List of Generic Names in Zoology in the Period up to the End of 1936

Direction 31: Determination of the Gender to be Attributed to the Generic Name Bathynectes Stimpson,[1871] (Class Crustacea, Order Decapoda), a Name Placed on the Official List of Generic Names in Zoology by the Ruling Given in Opinion 73