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Show 316 MR. P. L. SCLATER ON THE [Mar. 3, APPENDIX I. Rides for the Scientific Naming of Animcds, compiled by the German Zoological Society. A. GENERAL RULES. 1. Zoological Nomenclature includes extinct as well as recent animals, but has no relation to botanical names. 2. Only such scientific names can be accepted as are published in print, in connection with a clear description either by words or figures. 3. Scientific names must be in Latin. 4. Names of the same origin and only differing from each other in the way they are written are to be considered identical. 5. Alterations in names otherwise valid are only permitted in accordance with the requirements of Sections 13 and 22, and further for the purpose of purely orthographical correction when the word is without doubt wrongly written or incorrectly transcribed,. Such alterations do not affect the authorship of the name. 6. Of the various permissible names for the same conception only the one first published is valid (Law of Priority). 7. The application of the L a w of Priority begins with the tenth edition of Linnaeus's ' Systema Naturae ' (1758). 8. W h e n by subsequent authors a systematic conception is extended or reduced, the original name is nevertheless to be regarded as permissible. 9. The author of a scientific name is he w h o has first proposed it in a permissible form. If the author's name is not known, the title of the publication must take its place. 10. If the name of the author is given it should follow the scientific name without intervening sign. In all cases in which a second author's name is used a comma should be placed before it. 11. Class (classis), Order (ordo), Eamily (familia), Genus (genus), and Species (species) are conceptions descending in rank one after the other, and are to be taken in the order here given. These terms should not be employed in a contrary or capricious relation or order. B. RULES EOR DESIGNATING SPECIES. 12. Every species should be designated by one generic and one specific name (Binary Nomenclature). 13. The specific name, which should be treated always as one word, should depend grammatically upon the generic name. 14. The same specific name can only be used once in the same genus. 15. In the case of a species being subdivided, the original name is to be retained for the species which contains the form originally described. In doubtful cases the decision of the author who makes the separation shall be followed. 16. W h e n various names are proposed for the same species nearly |