Zoologischer Anzeiger 



herausgegeben 



von Prof. Eugen KorSClielt in Marburg. 



Zugleich 



Organ der Deutschen Zoologischen Gesellschaft. 



Bibliographia zoologica 

 bearbeitet von Dr. H. H. Field (Concilium bibliographicum) in Zürich. 



Verlag von Wilhelm Engelmann in Leipzig. 



XXVI. Band. 



18. Mai 1903. 



No. 700, 



Inhalt: 



I. Wissenschaftliche Mittheilungen. 



1. Pickard, On Knies of Nomenclature, p. 441. 



2. Woltereck, Bemerktingen zu den Amphipoda 

 Hypaiidea der deutschen Tiefsee-Expedition. 

 I. Thaumatopsidae. (Mit 1 Taf. und 2 Fig.) 

 p. 447. 



3. von Beinach, Vorläufige Mittheilung über 

 neue Schildkröten aus dem ägyptischen Tertiär. 

 p. 459. 



4. van Douire, Zur Kenntnis der freilebenden 



Süßwasser-Copepoden Deutschlands: Cyclops 

 crassicaudis Sars. (Mit 3 Figuren.) p. 463. 

 5. Poche, Über den richtigen Namen der Gattung 



Plioronis Str. Wright, p. 466. 

 II. Mittheilnngen aus Museen, Instituten etc. 



1. Zoological Society of London, p. 467. 



2. Deutsche Zoologische Gesellschaft, p.469. 



III. Personal-Notizen. 

 1. Bibliographia Zoologica, p. 472. 

 Necrolog. p. 472. 



I. Wissenschaftliche Mittheilungen. 



1. On Rules of Nomenclature. 



By Fredk. Pi ckard -Cambridge, B.A.; F.Z.S. 



eingeg. 29. Januar 1903. 



The paper published by Dr. Friedr. Dahl in the "Zoologischer 

 Anzeiger" Bd. XXV, No. 683/684, Oct. 13th, 1902 entitled "One 

 word more about the rules of nomenclature", needs some reply 

 from me, because otherwise a wrong impression may be gained as to 

 my attitude towards the questions under consideration. 



The rule of Priority. 

 In the first place it seems to me that Dr. Dahl is somewhat con- 

 fused about two of my rules which he regards as quite contradictory 

 the one to the other. They cannot, he says, stand side by side if logi- 

 cal and consistent rules are desired. If, he holds, I regard the first 

 name given to a species as the correct one, then I must also regard 

 the first species referred to a genus as the type. Certainly, in the 

 case of the determination of names, it is my first rule that the name 



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