Document 1/39—Statement Furnished on Behalf of the Scientific Staff of the Royal Ontario Museum of Zoology and Palaeontology, Toronto, Canada

Document 1/4—Proposal for the Restriction of the Law of Homonymy as Applied to Generic Names

Document 1/4—Proposed Adoption of a Declaration that a Generic or Specific Name Based Solely Upon the "aptychus" of an Ammonite (Class Cephalopoda, Order Ammonoidea) be excluded from Availability Under Article 27 of the Regles and Proposed Suppression of Certain such Names Under the Plenary Powers

Document 1/40—Comments on the Question of Means for Promoting the Greatest Possible Stability in Zoological Nomenclature

Document 1/40—Rejoinder to the Objections to the "Parataxa Plan" Advanced by the Nomenclature Discussion Group, Washington, D.C.

Document 1/41—Comment on the "Parataxa Plan"

Document 1/41—Statement Furnished on Behalf of the Nomenclature Committee at the American Museum of Natural History, New York, U.S.A.

Document 1/42—A Supplementary Proposal Arising in Connection with the "Parataxa Plan”. Proposed Insertion in the "Regles" of Provisions Recognising the Giving of Names to Collective Groups

Document 1/42—Resubmission of a Petition Regarding the Plenary Powers. Statement Furnished on behalf of the Nomenclature Discussion Group of Washington, D.C., U.S.A.

Document 1/43—Answers to Questions Raised in Paragraph 39 of the Paper by the Secretary to the International Commission on Zoological Nomenclature (1952, Bull. zool. Nomencl. 7: 187-188). Enclosure to a Letter Dated 18th July 1952 by C. W. Wright