298 BulletinofZoologicalNomenclature50(4)December1993 OPINION 1751 Procellariagigantea Gmelin, |1789| (currently Macronectesgiganteus; Aves, Procellariiformes): usage ofthe specific name conserved by the designation ofa neotype Ruling (1) Undertheplenarypowersspecimenno. 1911 340intheCatalogueGeneralof theLaboratoiredeZoologie:MammiferesetOiseaux,MuseumNationald'Histoire Naturelle, Paris, is hereby designated as the neotype for the nominal species ProcellariagiganteaGmelm,[1789]. (2) Thename MacronectesRichmond, 1905(gender:masculine), typespeciesby monotypy ofthe replaced nominal genus Ossifraga Hombron & Jacquinot, 1844, ProcellariagiganteaGmelin,[1789],isherebyplacedontheOfficialListofGeneric NamesinZoology. (3) ThefollowingnamesareherebyplacedontheOfficialListofSpecificNames inZoology; (a) gigantea Gmelin, [1789], as published in the binomen Procellaria gigantea (specific name ofthe type species of Macronectes Richmond, 1905) and as definedbytheneotypedesignatedin(1)above; (b) halliMathews, 1912,aspublishedinthetrinomenMacronectesgiganteushalli and as defined by the lectotype (specimen no. 91.6.16.6 in thecollectionsat Tring of the Natural History Museum, London) designated by Bourne & Warham(1966). HistoryofCase2784 An application fortheconservation ofusageofthe specificnameofProcellaria giganteaGmelin,[1789]bythedesignationofaneotypewasreceivedfromDrJ.-F. Voisin {Museum Nationald'Histoire Naturelle. Paris. France) and 16 others on 6 August1990.AftercorrespondencethecasewaspublishedinBZN49:140-143(June 1992).Noticeofthecasewassenttoappropriatejournals. ItwasnotedonthevotingpaperthattheSecretariathadreceivedacopyofaletter fromDrG.F. Mees(Busselton. WesternAustralia)tooneoftheauthors(ProfW.J. Bock).DrMeessupportedthetaxonomicaimsoftheproposalsbuthesuggestedthat an application was not necessarybecause ofcommentsby Mathews (1912) on the geographical ranges of Macronectes giganteus (Gmelin, [1789]) and M. halli Mathews, 1912.However,Bourne&Warham(1966)andtheapplicationhadshown the need for typification of giganteus and halli. It was also noted that the 50 additionalreferencesheldbytheCommissionSecretariatdemonstratingusageofthe namesgiganteusandhalli(para. 5oftheapplication)wereallpublishednoearlier than 1970. DecisionoftheCommission On 1 March 1993 the members ofthe Commission were invited to vote on the proposalspublishedinBZN49: 142.Atthecloseofthevotingperiodon1June1993 thevoteswereasfollows: BulletinofZoologicalNomenclature50(4)December1993 299 — Affirmative votes 24: Bayer, Bock, Bouchet, Cocks, Cogger, Corliss, Dupuis, Hahn, Halvorsen, Heppell, Holthuis, Lehtinen, Macpherson, Mahnert, Martinsde Souza,Minelli,Nie—lsen,Nye,Savage,Schuster,Stys,Thompson,Trjapitzin,Wilhnk Negativevotes none. NovoteswerereceivedfromKabata, Kraus, StarobogatovandUeno. Ridewasonleaveofabsence. Lehtinen commented that the worldwide authorship of the application had persuadedhiminfavour. Originalreferences ThefollowingaretheoriginalreferencestothenamesplacedonOfficialListsbytheruling giveninthepresentOpinion: giganlea.Procellaria,Gmelin,[1789], CaroliaLinneSystemaNaturae,Ed. 13,vol. 1,part2 (Aves),p. 563. halli,Macroneclesgiganteus,Mathews, 1912, ThebirdsofAustralia,vol.2,part2,p. 187. MacronectesRichmond, 1905,ProceedingsoftheBiologicalSocietyofWashington,18:76. ThefollowingisthereferenceforthedesignationofthelectotypeofMacronectesgiganteus halliMathews, 1912: Bourne,W.R.P.&Warham,J. 1966.Ardea,54(1-2):64.