634 REPORT 18G3. 



In the <Proc. Boston Ac. Nat. Hist./ July 1851, vol. iv. p. 27, Dr. A. A. 

 Gould published " Notes on California!! 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. 

 Planorbis Traskii. Kern Lake, Tulan Co. 

 Lymncea proximo,. Arroya, St. Antonio. 

 Ancylus patelloides. Sacramento River. 



and offered notes on 



Margaritana margaritifera, Lea, = Alasmodonta falcata, Gld. ^Alasmodonta 



Yubaensis, Trask. Klamath and Yuba. 

 Anodonta W~ahlamatetisis } J-jea,, = A. triangidata, Trask, -f- A. rotundovata, Trask. 



Sacramento River. 

 Anodonta angulata, Lea,-f .4. feminalis, Gld., +.4. EandalK, Trask. Upper 



San .Toaquin. 



Helix OregonensiSj Lea. Point Cypress, Monterey Co. 

 Helir Nickliniana, Lea. Tomales" Bay and Dead 'Man's Island. 

 Helix Calif orniensis. Lea. Point Cypress. 

 Li/nm&a exigua, Lea. San Antonio Arroya. 

 Li/mncea pallida, Ad. San Antonio Arroya. 

 Phifsa heterostropha, Say. Los Angeles. 

 Hldania occata, Hds. Sacramento River. 

 Melania (Paludind) seminalis, Hds. Sacramento River. 

 Planorbis trivolvis, Say. Horn Lake. 

 Planorbis ammon, Gld. Lagoons, Sacramento Valley. 



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

 and notes on species, as under : 



1857, Feb. 18. Helix intercisa, W. G. Bin.,= II. Nickliniana } Bin. sen., var. 



Oregon. 

 1857. 19. Succinea lineata, W. G. Bin. Nebraska. 



1857, June. 165. Mr. T. A. Conrad described the genus Gonidca for A. angu- 



lata, Lea j and for Gonidca JRandalii, Trask, and Gonidea 

 feminalis, Gld. ; regarding the three species as probably 

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



1858. March. 41. Dr. I. Lea described Planorbis Ncicbcrryi. Klamath Lake 



and Canoe Creek, California. 



1860. March. 23. Melania Neivberryi, 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. Sc. Phil.,' Aug. 1849, are 

 given the following synonyms, pp. 213, 214 : 



Petricola Californica, Conr.,= Saxicava (?., Conr.,= P. arcuata, Desh. 

 Petricola carditoides, Conr.,= Saxicava c., Conr.,=P. cylindracea, Desh. 

 Siliqua Nicttallii, Com'.,s=Solecurtit8 N., Conr.,=SWecw^s maximus, Gld., non 



Wood, Solen splendens, Chenu. 

 Siliqiia lucida, Com'. } =Sokcurttts 1.. ConT. } =Solecurtus radiatus, Gld., non 



Linn. 12 Q 



