114 Brvaxt Walkkk 



PiiYSA SAiToRDii J^ea. 



Physa saffordii Lea, Pr. A. N. S. P., 1864, p. 115; Jour. A. X. S. P., \'l, 



1866, p. t66, pi. 24, fig. 87; Obs., XI, 1866, p. 123, pi. 24, fig. 87. 

 Type locality: Lebanon, Wilson Co., Tenn. ; ^'erdigris River, Kans., and 

 Nashville, Tenn. 

 Is gyrina according to Tryon (132, p. 162). 



Physa sHowAL'niRi Lea. 



Physa showaltcri Lea, I'r. A. N. S. P., 1864, p. 115; Jour. A. N. S. P., \T, 



1866, p. 170, pi. 24, fig. 92; Obs., XT, 1866, p. 126, pi. 24, fig. 92. 

 Type locality : L^niontown, Ala. 



PlIYSA SMITIISONIANA Lea. 



Physa smitJisoniana Lea, Pr. A. N. S. P., 1864, p. 115 ; Jour. A. N. S. P., Yl, 



1866, p. 169, pi. 24, fig. 97; Obs., XL 1866, p. 125, pi. 24, tig. 91. 

 Type locality : Loup Fork of the Platte River. 

 Is gyrina according to Crandall (27. p. 54). 



Physa sparsestriata Tryon. 



Physa sparsestriata Tryon, Am. J. of Con., I, 1865, p. 224, pi. 23, fig. 10. 

 Type locality : San Joaquin Valley, Cal. 



Phy'sa subrotunda Sowerby. 



Physa subrotunda Sowerby, Con. Icon., Physa, 1873, Sp. 87, pi. 10, fig. 87. 

 Type locality : North America. 



Physa tenutssima Lea. 



Physa tenuissima Lea, Pr. A. N. S, P., 1864, p. 114; Jour. A. N. S. P., VT, 



1866, p. 167, pi. 24, fig. 86; Obs., XI, 1866, p. 123, pi. 24, fig. 86. 

 Type locality : Alexandria, La. 



Is referred to Aplexa by Tryon (132. ]). 17). See Crandall (27, p. 71). 

 His shell now in my collection is a dead, bleached specimen of A plexa Jiyp- 

 noruiit. 



Physa traskti Lea. 



Physa traskii Lea, Pr. A. N. S. P., 1864. p. 115 ; Jour. A. N. S. P., \M. 1866, 



p. 163, pi. 24, fig. 80; Obs., XI, 1866, p. 119, pi. 24, fig. 80. 

 Type locality : Rio Los Angelos. Cal. 



Is a synonvm of P. virgata Gld. according to Pilsbry and Ferriss (108, 

 p. 198). 



