634 REPORT — 1863. 



In the 'Proo. Boston Ac. Wat. Hist.,' Julj' 1851, vol. iv. p. 27, Dr. A. A. 

 Gould published " Notes on Californian Shells," and, in vol. vi. p. 11, described 

 Helix ramentosa, California, and Helix damascenus, from the desert east of 

 California. 



In the 'Proceedings Ac. Nat. Sc. Phil.,' April 1856, vol. viii. pp. 80, 81, 

 Dr. Isaac Lea described the following species of new freshwater shells from 

 California : — 



Pompholyx effusa. Sacramento River. 

 Melania Shastaensis. Shasta and Scott Rivers, 

 Melania nigrina. Clear Creek, Shasta Co. 

 Physa triticea. Shasta Co. 

 Pkmorhis Traskii. Kem Lake, Tulan Co. 

 Lymncea proxima. Arroya, St. Antonio. 

 Ancylus patelloides. Sacramento River. 



and offered notes on 



Margaritana margaritifera, Tiea, = Alasmodonta falcata, G\i., = Alasmodonia 



Yubaensis, Trask. Klamath and Yuha. 

 Anodonta Wahlamatensis, Lea,= ^. triangtdata, Trask,4-^. rotundovata, Trask. 



Sacramento River. 

 Anodonta angidata, Lea,+^. feminalis, Gld.,+^. Randalli, Trask. Upper 



San .Toaquin. 

 Helix Oregonensis, Lea. Point C^'press, Monterey Co. 

 Heli V Nicidiniana, Lea. Tomales Bay and Dead Man's Island. 

 Helix Californiensis, Lea. Point Cypress. 

 Lymncea exigita, Lea. San Antonio Arroya. 

 Lifmncea pallida, Ad. San Antonio AiToya. 

 Thysa heterostropha, Say. Los Angeles. 

 Mrlania occata, Hds. Sacramento River. 

 ]shlama {Paludind) seminalis, Hds. Sacramento River. 

 Pkmorhis trimhis, Say. Horn Lake. 

 Planorbis ammon, Gld. Lagoons, Sacramento Valley. 



In the New Series of the 'Proc. Ac. Nat. So. Philadelphia' occur descriptions 

 and notes on species, as under : — 



Page. 

 1857. Feb. 18. Helix intercisagW. G. 'Bm.,=H. HicJdiniana, Bin. seTi.,ra,T. 



Oregon. 

 1857. „ 19. Siwcinea lineata, W. G. Bin. Nebraska. 



1857. June. 165. Mr. T. A. Conrad described the genus Gmiidea for A. anqn- 



lata, Lea; and for Gonidea liaiulalii, Trask, and Gonidea 

 feminalis, Gld. ; regarding the three species as probably 

 distinct. [Dr. Lea, however, considers them varietal.] 



1858. March. 41. Dr. 1. Lea described Planorbis Kewberryi. Klamath Lake 



and Canoe Creek, California. 

 1860. March. 23. Melania Heioberryi, Lea. Upper Des Chutes River, Oregon, 

 Newberry. 



In the " Notes on Shells, with Descriptions of New Genera and Species," by 

 T. A. Conrad, reprinted from the 'Journ. Ac. Nat. So. Phil.,' Aug. 1849 are 

 given the following synonyms, pp. 213, 211 : — 



P<*ricola Californica, CanT.,= Saxicava C, Conr., = P. arcttata, Desh. 

 Petricola carditoides, Go-m., = Saxicava c, Conr.,=P. cylindracea, Desh. 

 Siliqua Ntdtallii, Com.,— Soleeurtws N., Com:,=Solecurtus maximus, Gld., non 



Wood, =Solen splendens, Chenu. 

 Siliqua Iwcida, Com. ,=iSolecurtm l. Com.,=Solecurliis radiatns, Gld., non 



Linn. J 20 



