108 Bulletin of Zoological Nomenclature OPINION 783 FOUR NUDIBRANCH GASTROPODA GENERA: PLACED ON THE OFFICIAL LIST OF GENERIC NAMES RULING. — (1) Under the plenary powers the following generic names are hereby placed on the Official List of Generic Names in Zoology with the Name Numbers specified: (a) Cumanotus Odhner, 1907 (gender : masculine), type-species, by mono-typy, Cumanotus laticeps Odhner, 1907 (Name No. 1724); (b) Cuthonella Bergh, 1884 (gender : feminine), type-species, by monotypy, CuthoneUa abyssicola Bergh, 1884 (Name No. 1725); (c) Favorinus M. E. Gray, 1850 (gender : masculine), type-species, by monotypy, Eolis alba Alder & Hancock, 1844 (Name No. 1726); {d) Precuthona Odhner, 1929 (gender : feminine), type-species, by mono-typy, Eolis peachii Alder & Hancock, 1848 (Name No. 1727). (2) The following specific names are hereby placed on the Official List of Specific Names in Zoology with the Name Numbers specified: (a) beaumonti EUot, 1906, as pubUshed in the binomen Coryphella beaumonti (Name No. 2156); (b) abyssicola Bergh, 1884, as published in the binomen Cuthonella abyssicola (type-species of Cuthonella Bergh, 1884) (Name No. 2157); (c) branchialis Rathke, 1806, as published in the binomen Doris branchialis (Name No. 2158); {d) peachii Alder & Hancock, 1848, as pubUshed in the binomen Eolis peachii (type-species oi Precuthona Odhner, 1929) (Name No. 2159). (3) The specific name alba Alder & Hancock, 1844, as published in the binomen Eohs alba (a junior primary homonym of alba, Eolis, Van Hasselt, 1824) is hereby placed on the Official Index of Rejected and InvaUd Specific Names in Zoology with the Name Number 875. (4) The family-group name favorininae Bergh, 1889 (type-genus Favorinus Gray, 1850) is hereby placed on the Official List of Family-Group Names in Zoology with the Name Number 414. HISTORY OF THE CASE (Z.N.(S.) 1108) The present case was submitted to the office of the Commission in April 1956 by Dr. Henning Lemche and was revised by him in 1963. The application was sent to the printer on 17 October 1963 and was published on 23 April 1964 in Bull. zool. Nomencl. 21 : 125-126. The proposals were supported by Dr. Myra Keen and Lt. C. L. Collier. DECISION OF THE COMMISSION On 25 January 1966 the Members of the Commission were invited to vote under the Three-Month Rule on Voting Paper (66)12 either for or against the proposal set out in Bull. zool. Nomencl. 21 : 125-126. At the close of the pre-scribed voting period on 25 April 1966 the state of the voting was as follows: Bull. zool. Nomencl., Vol. 23, Double Part 2/3. July 1966.
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