ox MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 033 



Page. 



Couth., E. E. Mull. p. 471, in absence of lateral membrane, size of mouth and 

 nipiile.^, and ir''"'"''<il i-olonitiou." 

 171. Oni/c/ioftiithi.^ fimi/o mi*, (iabb. ** Cape Horn," Mua. Ac. [San Clemente 

 is., C"al., iu'iprr, Ms.j 



From the • Proc. Cal. .\c. N. 8.,' 1863, p. 11, it apponrs that nt least one 

 mollusc, a Tere'lit or Xi/lotr>i<i, has already established for itstlf an eionomic 

 celebrity. Piles have been entirelj* destroyed in six mouths from the time 

 they were placed in the water. 



On March 2, l"^*!."}, Mr. Au^u^te llemond published, in the same Journal, 

 Kngliih " Descriptions of two new Species of Bivalves from the Tertiaries of 

 Contra Costa County: " — 



13. Caniiiim Ciuhhii, IJem. Late tert. deposit near Kirker's Pas.s, in shelly sand, 

 with Tapes rfifiiltii-it, (iiibb, and IVIun-s poHtleromiti, (iubb, both e.\tiiut. 

 " F'a.silv recop-uized by heavy hinjje and enormous laterals ; luuule cuii- 

 nated.' I'f Li(x-itrthinii ] 



I, Ontrta liouri/foiMi, Keui. Same locality. 



On April 20, 18(53, Dr. Cooper described (in English) the following mol- 

 lusc, of which the only species previously known is from Cuba : — 



21. Giindlachia Californica, Kowell. Fijr. 5 (three views). Fifty specimens nn 

 water-plants in clear, .stagnant pond.s, at Marysville, Feather lliver, llouvll. 



On January 8. 18G4, Dr. Newcorab described (in Latin) the following, 

 with other Pulmonates from the State Survey, already tabulated in p. Wd : — • 



115. Hcli.f Ilillchrdiuli, Newc. Tuolumne Co., Cal. One recent and several fossi 

 shells, M. Vol/. Like // Thoiuirm, but depressed and hirsute. 



The latest contribution to the malacology of Califoniia is one of the most 

 interesting. It is described (in Latin) by Dr. Newcomb, Feb. 1, 18G4 : — 



121. Pedicii/nria Californica, Newc. One specimen from coral growing on a mon- 

 ster Evhidnoccnig, verv deep water, Farallones Is., I). J\' Pohiumn. " .Vs 

 beai tiful as P. elef/antimiiui, Desh., from Is. Bourbon." [Mr. Pease also ob- 

 tained a deep-water I'cilivularia from coral in the Pacific Is., which Mr. 

 Cuming afHliated to the Mediten-anean P. Simla. Dr. Gould (Otia, p. 215) 

 also describes P. dicmsata, coast of Georgia, 400 fm., U. S. Coast Suney.J 



111. The following descriptions of species, and notes on habitats and 

 synonymy, have been collated from various American scientific periodicals, 

 chiefly by the as.sistance of Mr. Binney's ' Bibliography.' 



In the ' American Journal of Science and Art,' 0. S., vol. xxxviii. p. 39G, 

 Apnl 1840, Dr. A. A. Gould records the following species, said to be from 

 *• California." His Trochus vittutus is not known : — 



Murex tricolor et bicolor. 

 Cardium Calilbraianum. 



Trochus vittatus. 

 Bulimus undatus. 



In the 'Annals of the New York Lyceum of Natural History,' vol. iv 

 1846, No. 5, p. 165, Mr. John H. Redfield first described Triton Oret/oneme, 

 Straits of San Juan de Fuca : plate 11. fig. 2. 



In the * Proceedings of the Academy of Natural Sciences of Philadelphia,' 

 1848, vol. iv. p. 121, Mr. T. A. Conrad described new genera, and gave notes on 

 ParapJwJdS Ciilifornica, Crijptomya Californica, and Psammohia Califomicrt, 

 altering Osteodesma hifolina (nom. preoc.) into Lifonsia Floridann. In the 

 same work, March 18.54, vol. vii., Mr. Conrad described Citafhodonta nndidati. 

 He also states that G'withodon triffonum. Petit, is probably identical with G, 

 Lccontei, Conr. ['?] (nom. prior), and alters genus Tritjonella to Pachi/desma, 



119 



