abstracts: zoology 171 



ZOOLOGY. — Das relative Alter der rezenter Seelilienfaunen. A. H. 



Clark. Naturwissenschaftliche Rundschau, J. G. 27, Nr. 15, 



S. 191-192. 1912. 

 An attempt is herein made to ascertain the comparative age of tM^o 

 faunas by internal characters. A. H. C. 



ZOOLOGY.— r/ie crinoids of the Solomon Islands. A. H. Clark. 

 Records of the Austrahan Museum, 9: 81-86. 1912. 

 A monographic account, with a bibhography, of the crinoids known 

 from the Solomon Islands, based upon a collection from LTgi belonging 

 to the Australian Museum of Sydney, New South Wales. A. H. C. 



ZOOLOGY. — The crinoids of the Natural History Museum at Hamburg. 

 Austin H. Clark. Smithsonian Miscellaneous Collection, 60: 

 No. 10, 1-33. 1912. 



A complete list of the crinoids in the collection of the Naturhistorisches 

 Museum at Hamburg, with redescriptions of types, detailed descriptions 

 of the more interesting specimens other than types, an historical account 

 of the collection, and a bibliography of the works based wholly or in part 

 upon it. 



Part of the collection was sent to Washington for study and compari- 

 son with material in the U. S. National Museum, but the greater portion 

 was examined in Hamburg. A. H. C. 



ZOOLOGY. — The crinoids of the museum fiir Naturkunde, Berlin. 

 Austin Hobart Clark. Proceedings of the U. S. National Mus- 

 eum, 43: 381-410. 1912. 



A complete list of the crinoids in the collection of the Museum fiir 

 Naturkunde, with detailed descriptions of the more interesting specimens 

 with an historical account of the collection and a bibliography of the 

 works based wholly or in part upon it. 



There are also given lists of the type specimens, with the references to 

 the original descriptions, of the species other than types mentioned in 

 the literature, with the references, and of the specimens donated by this 

 museum to the U. S. National Museum. 



Most of the collection was sent to Washington for study, but the 

 author examined the small remaining portion in Berlin. A. H. C. 



