io8 Bryant Wai.kep 



PiiYSA AUKKA Lea. 



Is a 'synonym of elUptica and not of lictcrostrcpha according to Tryon 

 (132, p. 163) and Crandall (27, p. 55). 



PiiYSA lui.LiNGSii Heron. 



Fhysa billingsii Heron. Tr. Ott. F. Nat. Club, I, 1880, p. 62, pi. 2, fig. 5. 

 Type locality: Billings' Bridge, Ottawa, Ont. 



Is a var. of integra according to Crandall {2'/, p. 15). 



Physa linnEyana Ancey. 



Physa diaphana Tryon, Am. J. of Con. I, 1865, p. 224, pi. 23, fig. ii, non 



Krauss (1848). 

 Physa hinncyana Ancey, Le Nat., 1886, p. 358. 

 Type locality : Oakland, Cal. 



Physa blaxdi Lea. 



Physa Uandi Lea, Pr. A. N. S. P., 1864, p. 116; Jour. A. N. S. P., VI, 1866, 



p. 168, pi. 24, fig. 88; Obs., XI, 1866, p. 124, pi. 24, fig. 88. 

 Type locality : California. 



Includes distingucnda Try. and " ?" is the same as grosi'ernori I,ea and 

 niittaUii Lea according to Cooper (25, p. 97). Both of the latter names 

 have priority. 



Physa brevispira Lea. 



Physa brcvispira Lea, Pr. A. N. S. P., 1864, p. 116; Jour. A. N. S. P., VI, 



1866, p. 173, pi. 24, fig. 98; Obs., XI, 1866, p. 129, pi. 24, fig. 98. 

 Type locality : Ottawa River, Ont. 



Physa carltonh Lea. 



Physa carltonii Lea, Pr. A. N. S. P., 1869, p. 125; Jour. A. N. S. P., VIII, 



1874, p. 63, pi. 21, fig. 19; Obs., XIII, 1874, p. 67, pi. 21, fig. 19. 

 Type locality : Mount Diablo, Cal. 



Physa coniformis Tryon. 



Physa coniformis Tryon. Am. J. of Con., II, 1866, p. 6, pi. II, fig. 5. 

 Type locality : Humboldt River, Oregon. 



Physa coopEri Tryon. 



Physa coopcri Tryon, Am. J. of Con., I, 1865, p. 224, pi. 23, fig. 9. 

 Type locality : Crane Lake Valley, Cal. 



Is a variety of P. triticca Lea according to Cooper (25, p. 97). 



