58 Bulletin of Zoological Nomenclature 51(1) March 1994 OPINION 1754 Histoire abregee des insectes qui se trouvent aux environs de Paris (Geoffroy, 1762): some generic names conserved (Crustacea, Insecta) Ruling A. Histoire abregee des insectes ... (Geoffroy, 1762) (1) Under the plenary powers it is hereby ruled that, notwithstanding the use of polynominal specific names in the work by E.L. Geoffroy (1762) entitled Histoire abregee des insectes qui se trouvent aux environs de Paris, the generic names published in that work are deemed to be available. The ruling is confined exclusively to the availability of generic names. Specific names and nomenclatural acts are not to be taken from the work. (2) This work is hereby deleted from the Official Index of Rejected and Invalid Works in Zoological Nomenclature and placed on the Official List of Works Approved as Available for Zoological Nomenclature with an endorsement to reflect the ruling in A(l) above, namely that the generic names published in this work are deemed to be available. (3) Such editorial changes in the Official Lists and Indexes as are necessary from the rulings in A(l) and (2) above and in related previous Opinions are hereby authorised. B. Crustacea (1) It is hereby ruled that the authorship attribution of Binoculus 'Miiller, 1776' on the Official Index of Rejected and Invalid Generic Names in Zoology is corrected to Geoffroy, 1762. (2) The entry recorded as Binoculus Geoffroy, 1764 is hereby deleted from the Official Index of Rejected and Invalid Generic Names in Zoology. (3) The name Asellus Geoffroy, 1762 (gender: masculine), type species by subse-quent monotypy (Fourcroy, 1785) Oniscus aquaticus Linnaeus, 1758, is hereby placed on the Official List of Generic Names in Zoology. (4) The name aquaticus Linnaeus, 1758, as published in the binomen Oniscus aquaticus (specific name of the type species of Asellus Geoffroy, 1762), is hereby placed on the Official List of Specific Names in Zoology. C. Insecta, Thysanura (1) The name Forbicina Geoffroy, 1762 is hereby placed on the Official Index of Rejected and Invalid Generic Names in Zoology (a junior objective synonym of Lepisma Linnaeus, 1758). D. Insecta, Orthoptera (1) Under the plenary powers: (a) the generic name Mantes Geoffroy, 1762 is hereby suppressed for the purposes of the Principle of Priority but not for those of the Principle of Homonymy; (b) the name Mantis Linnaeus, 1758 is hereby ruled to be an available genus-group name;
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