Direction 13: Addition of the Generic Name Manatus Briinnich, 1771 (Class Mammalia) to the Official Index of Rejected and Invalid Generic Names in Zoology (Direction Supplementary to "Opinion 112")

Direction 14: 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 Applications Relating to the Names of Ammonites Published in volume 2 of the Bulletin of Zoological Nomenclature

Direction 15: Correction of an Erroneous Entry on the Official List of Generic Names in Zoology Relating to the Generic Name Penaeus (Emend, of Peneus) Weber, 1795 (Class Crustacea, Order Decapoda) (Correction of an Error in Opinion 104)

Direction 16: Validation under the Plenary Powers, of Brisson (M.J.), 1760, Ornithologia Sive Synopsis Methodica Sistens Avium Divisionem in Ordines (Direction in Replacement of Opinion 37)

Direction 17: Addition to the Official List of Generci Names in Zoology of the Names of Fifteen Genera of the Class Aves, the Type Species of Each of which was Determined by Linnean tautonymy (Direction Supplementry to Opinion 16)

Direction 18: Designation, under the Plenary Powers, of a Lectotype for the Nominal Species "Columbo Macroura" Linnaeus, 1758, to Secure that that Name shall Apply to the Mourning Dove and at the Name Columba Migratoria Linnaeus, 1766, shall be the Oldest Available Name for the Passenger Pigeon (Direction Supplementary to Opinion 67)

Direction 19: Correction or an Erroneous Entry on the Official List of Generic Names in Zoology Relating to the Date and Place of Publication of the Name Balaeniceps Gould, 1850 (Class Aves) (Correction of an Error in Opinion 67)

Direction 20: Addition of a Note to the Entry on the Official List of Generic Names in Zoology Relating to the Generic Name Oedicnemus Temminck, 1815 (Class Aves) (Direction Supplementary to Opinion 67)

Direction 21: Validation under the Plenary Powers of the Generic Names "Bubo"Dumeril, 1806, Coturnix Bonnaterre, 1790, Egretta Forster, 1817, and Oriolus Linnaeus, 1766 (Class Aves), by the Suppression of Older Homonyms Published by Brisson in 1760 (Validation of Four Erroneous Entries on the Official List of Generic Names in Zoology made by the Ruling Given in Opinion 67)

Direction 22: Addition to the Official List of Specific Names in Zoology of (a) the Specific Names of Fifty Seven Species, each of which is the Type Species of a Genius in the Class Mammalia, the Name of which was Placed on the Official List of Generic Names in Zoology in the Period up to the End of 1936, and (b) of the Specific Names of Two Species Belonging to the Same Class, each of which is Currently Regarded as the Oldest Available Name for the Type Species of a Genus, the Name of which was Placed on the Official List in the Same Period