Catalogue; Reci;nti,y Described Moeeusca 113 



Ppiysa osculans Haldeman. 



Includes mexicana Phil, according to Fischer and Crosse (38, p. 100), 

 Pilsbry (91, p. 323) and von Martens (73, p. 370). "Physa osculans is 

 readily distinguishable from the eastern forms, P. heterostropha, Integra 

 and gyrina; hut several described Calif ornian Physas present no differences' 

 from the Mexican species and must be considered synonyms." (Pilsbry, 1. c.) 



Physa parva Lea. 



Physa parva Lea, Pr. A. N. S. P., 1864, p. 115 ; Jour. A. N. S. P., VI, 1866, 



p. 177, pi. 24, fig. 104; Obs., XI, 1866, p. 133, pi. 24, fig., 104. 

 Type locality: Verdigris River and Roca Creek, Kans. 



Is doubtfully referred to P. malleata Try. as a variety by Cooper (25, 

 p. 97). 



Probably a young grosvernori, Tryon (128, p. 169) ; is gyrina, Tryon 

 (132, p. 162) ; probably a young anatina, Crandall (27, p. 71). 



Physa politissima Tryon. 



Physa politissima Tryon, Am. J. of Con., I, 1865, p. 226, pi. 23, fig. 13. 

 Type locality : Sacramento, Cal. 



Is a variety of P. binneyana Ancey (P. diaphana Try.) according to 

 Cooper (25, p. 97). 



Is probably a synonym of triticea, and both are "dwarfed and arrested 

 aspect (s)" of gyrina according to Stearns (122, p. 51). 



Physa pomieia Conrad. 



Physa pomilia Conrad, Am. J. of Sci., XXV, 1834, p. 343; Am. J. of Con., 



II, 1866, p. 278, pi. 15, figs. 1-3. 

 Type locality : Randon's Creek, Claiborne, Ala. 



Includes showalteri Lea according to Tryon (132, p. 162) and Crandall 

 (27, p. 90). 



Physa primEana Tryon. 



Physa priiucana Tryon, Am. J. of Con., I, 1865, p. 227, pi. 23, fig. 12. 

 Type locality: Long Island, N. Y. 



Is heterostropha according to Crandall (27. p. 29). 



Physa propinqua Tryon. 



Physa propinqua Tryon, Am. J. of Con., I, 1865, p. 223, pi. 23, fig. 5. 

 Type locality: Jordan Creek, Idaho. 



Physa rivaeis Sowerby. 



Physa rivalis Sowerby, Con. Icon., Physa, 1873, Sp. 31, pi. 4, fig. 31. 

 Type locality: Columbia River. 



This is not the P. rivalis of Maton and Rackett (1807) nor of Sowerby 

 (1821-6). Clessin (20, p. 331) considers it a synonym of hildrethiana Lea. 



