Zoologischer Anzeiger 



von Prof. J. Victor CarUS in Leipzig. 

 Zugleich 



Organ der Deutschen Zoologischen Gesellschaft. 



Verlag von Wilhelm Engelmann in Leipzig. 

 XX. Baud. 15. Februar 1897. No. 524. 



Inhalt: I. Wissenschaftl. Mlttheilnngen. 1. Miiichiii, Ascandra or Homandraì A Test 

 Case for the liules of Zoological Nomeuclature. 2. v. Kocli, Bemerkung zu Zoolog. Anz. No. .'»21 p. ü etc. 

 3. Samassa, Die Furchung der Wintereier der Cladoceren. 4. Sjöstedt, Zwei neue Eidechsen aus 

 West-Africa. II. Mittheil. aas Museen, Instituten etc. Vacat. Personal-Notizen. Vacat. 

 Htteratur. p. 81—112. 



I. Wissenschaftliche Mittheilungen. 



1. Ascandra or Homandra? A Test Case for the Rules of Zoological 



Nomenclature. 



By E. A. M inch in, Oxford. 



eingeg. 30. Januar 1897. 



In No. 519 of the Zoologischer Anzeiger von Lend en fé Id cri- 

 ticizes my recent action in retaining the generic name Ascandra for 

 the species Ascandra falcata H., after having distributed the other spe- 

 cies of Haeckel's genus Ascandra among the older genera Clathrina 

 and Leucosolenia. Von Lendenfeld argues that according to the 

 laws of zoological nomenclature, the correct -generic name of this 

 species is Homandra^ the name which be had already applied to it. 



I can only say that, my object being to try and settle the correct 

 name, according to accepted rules, of this species, and not to indulge 

 in polemics, I am very willing to be convinced that the sponge in 

 question should rightly be termed Horncmdra falcata. Nevertheless 

 von Lendenfeld's arguments do not seem to me to make good his 

 point. 



Von Lende nfeld quotes against me § 26 of the German Zoolo- 

 gical Society's Rules for the Scientific Naming of Animals, to the 

 effect that if a genus be broken up into several new genera, the name 

 of the old genus is to be retained for the species which is to be regar- 

 ded as the type«. It is, however, not very easy to sec how this lulu 



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