634: REPORT—1863. 
In the ‘Proc. Boston Ac. Nat. Hist.,’ July 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 Shastaénsis. Shasta and Scott Rivers. 
Melania nigrina. Clear Creek, Shasta Co. 
Physa triticea. Shasta Co. 
Planorbis Traskit. Kern Lake, Tulan Co. 
Lymnea proxima. Arroya, St. Antonio. 
Ancylus patelloides. Sacramento River. 
and offered notes on 
Margaritana margaritifera, Lea,= Alasmodonta falcata, Gld.,= Alasmodonta 
Yubaénsis, Trask. Klamath and Yuba. 
Anodonta Wahlamatensis, Lea,= A. triangulata, Trask,+ A. rotundovata, Trask. 
Sacramento River. 
Anodonta angulata, Lea,+A. feminalis, Gld.,+-4. Randalli, Trask. Upper 
San Joaquin. 
Helix Oregonensis, Lea. Point Cypress, Monterey Co. 
Helix Nickliniana, Lea. Tomales Bay and Dead Man’s Island. 
Helix Californiensis, Lea. Point Cypress. 
Lymnea exigua, Lea, San Antonio Arroya. 
Lymnea pallida, Ad. San Antonio Arroya. 
Physa heterostropha, Say. Los Angeles. 
Melania occata, Hds. Sacramento River. 
Melania (Paludina) seminalis, Hds. Sacramento River. 
Planorbis trivolvis, Say. Horn Lake. 
Planorbis ammon, Gid. Lagoons, Sacramento Valley. 
In the New Series of the ‘Proc. Ac. Nat. Sc. Philadelphia’ occur descriptions 
and notes on species, as under :— 
Page. 
1857. Feb. 18. Helix intercisa, W. G. Bin.,= H. Nickliniana, Bin. sen., var. 
Oregon. 
1857. % 19. Succinea lineata, W. G. Bin. Nebraska. 
1857. June. 165, Mr. T. A. Conrad described the genus Gonidea for A. angu- 
lata, Lea; and for Gonidea Randal, Trask, and Gonidea 
‘ Feminalis, Gld.; regarding the three species as probably 
distinct. [Dr. Lea, however, considers them rapetat 
1858. March. 41. Dr. IL Lea described Planorbis Newberryi. Klamath Lake 
and Canoe Creek, California. 
1860. March. 23. | Melania Newberryi, 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 Cahifornica, Conr.,= Saxicava C., Conr.,= P. arcuata, Desh. 
Petricola carditoides, Conr.,= Saxicava c., Conr.,=P. cylindracea, Desh. 
Stliqua Nuttallit, Conr.,= Solecurtus N., Conr.,=Solecurtus maximus, Gld., non 
Wood, =Solen splendens, Chenu. 
pen lucida, Conr.,=Solecurtus 1, Conr.,=Solecurtus radiatus, Gld., non 
inp. ‘ 
Sy Bs 
. — 
