no Bryant Walker 



Physa fxliptica Lea. 



Is a valid species according to Crandall (27, p. 54) and includes troos-^ 

 tiana Lea and minor Crandall as varieties and aurea, febigeri and nicklinii 

 Lea and deformis Currier as synonyms. Baker's figures (4, pi. 34, fig. 5), 

 copied by Blatchley and Daniels (14, pi. I, fig. 118) do not represent the 

 true elliptica. 



Physa elliptica minor Crandall. 



Physa elliptica minor Crandall, Naut., XV, 1901, p. 55. 

 Type locality : Grand Rapids, Mich. 

 Types No. 14469 Coll. Walker. 



Physa febiglri Lea. 



Physa febigeri Lea, Pr. A. N. S. P., 1864, p. 114; Jour. A. N. S. P., VI, 1866, 



p. 174, pi. 24, fig. 99; Obs., XI, 1866, p. 130, pi. 24, fig. 99. 

 Type locality: Logan Co., O. 



Is elliptica according to Tryon (132, p. 163) and Crandall (27, p. 55). 



Physa forshlyi Lea. 



Physa forsheyi Lea, Pr. A. N. S. P., 1864, p. 114; Jour. A. N. S. P., VI, 



1866, p. 172, pi. 24, fig. 95; Obs., XI, 1866, p. 128, pi. 24, fig. 95. 

 Type locality : Rutersville, Texas. 



Includes zvhitei Lea according to Crandall (27, p. 67). 



Physa gracilis Mighels. 



Is a pathologic form of ancillaria according to Morse (75, p 43). 



Physa grosvLRNori Lea. 



Phvsa grosz'ernori Lea, Pr. A. N. S. P., 1864, p. 114; Jour. A. N. S. P., VI, 

 1866, p. 175, pi. 24, fig. 100; Obs., XI, 1866, p. 131, pi. 24, fig. 100. 



According to Cooper (25, p. 97) includes P. traskii Lea, occidentalis 

 Try., dorbignyana Lea and sparsestriata Try. as varieties. 

 Type locality : Santa Rita Valley. 



Is a var. of forsheyi according to Crandall (27, p. 69). 



Physa gyrina Say. 



Includes cylindrica Newc, altonensis, hawnii and smithsoniana Lea as 

 synonvms a.r\<:\ alb ofil at a Ancey, hildrethiana Lea and oleacea Tryon as vari- 

 eties according to Crandall (27, p. 45)- 



