OF CONCHOLOGY. *ld 



ing differences must exist iu the animals, althougli we Have so 

 far failed to detect tliem. 



No. 113, September, 1864. 



Description of a new species of Chiton. by william 



PRESCOTT, M. D. 



C. Galifornicus.= Cryptochiton SteUeri, Middend., according 

 to No. 114, p. 431, November, 1864. 



Had not this proved to be a synonym, the specific name is 

 still preoccupied for another species. 



Proceedings, Boston Society of Natural History, vol ix., De- 

 cember, 1863. 



On the genus Gundlachia: by wm. stimpson, m. d. 



G. Meekiana, District of Columbia. 



This makes the sixth species of the genus. Three have 



been described from Cuba, one from Honduras and one from 



California. 



Proceedings, California Academy of Natural Sciences, San 

 Francisco, vol. ii., 1864. 



Descriptions of nine new species of Helix inhabiting Cali- 

 fornia : BY WESLEY NEWCOMB, M. D. 



Helix iriklebrandi, Helix facta^ 



" Tryoni, " Whitneyi, 



'* crehristriata, " Breweri, 



" rufocincta, " Duranti. 



" Gabhii, 

 Most of these are island species. Tryonii and facta, diverge 

 widely from the ordinary Californian forms, resembling very 

 much certain West Indian types. Indeed, H. Tryonii in- 

 stantly reminds one of H. alcmda, of Cuba, and its allies. 



The following additional species are contained in the State 

 collection : — 



H. ar-rosa, Gld., H. Calif orniens is, Lea, H. Carpenteri, Newc, 

 H. Columbiana, Lea, H. chersina, Say, H. Dnpetithouarsi, Desh., 

 H. exarata, Pfr., H.fidelis, Gray, H. infumata, Gld., H. Kellettii, 

 Forbes, H. loricata, Gld., H. Neiuherryana, W. G. B.. H. Nickli- 

 niana, Lea, H. Mormonum, Pfr., H. sportella, Gld., H. Traskii, 

 Newc, H. tudiculata, Binney, H. Vancoiiverensis, Lea. 



Description of a new Species of Pediculo^ria : by wesley 

 NEWCOMB, M. n. 



P. CaUfornica. 



Complete Writings of Constantine Smaltz Rafinesque on Recent 

 and Fossil Conchology. edited by wm. g. binney, and george 



W. TRTON, JR.* 



The papers contained in the work above quoted, form most 



* Octavo, 104 pp., and plates, 1864. Published by Bailliere Bros., 

 New York and H. Bailliere, Loudon. Price, $3.50. 



