Catalogue; Recenti^y Described Moi^lusca 115 



Physa tritice a Lea. 



Physa triticea Lea, Jour. A. N. S. P., VI, 1866, p. 177, pi. 24, fig. 103 ; Obs., 



XI, 1866, p. 132, pi. 24, fig. 103. 

 Type locality : Shasta Co., Cal. 



Is a form of gyrina and probably includes politissima Tryon, according 

 to Stearns (122, p. 51). 



Ppiysa troostiana Lea. 



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

 Physa vEnusta Lea. 



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



1866, p. 168, pi. 24, fig. 89; Obs., XI, 1866, p. 124, pi. 24, fig. 89.' 

 Type locality : Fort Vancouver, Oregon. 



Very closely allied to, if not identical with, P. virginea Gld. according 

 to Tryon (128, p. 170), who also remarks in 1870 (Mon., p. 138) that it 

 groups with gyrina Say. 



Physa vinosa Gould. 



Crandall (27, p. 42) considers this to be a var. of ancillaria, but it seems 

 to be sufficiently distinct. 



Physa virgata Gould. 



Listed from Muscatine, la., by Nelson (76, p. 182). In all probability 

 an erroneous identification. Is a variety of P. humerosa Gl'd. according to 

 Cooper (25, p. 98). 



Widely, if sparsely, distributed in Arizona and New Mexico according 

 to Pilsbry and Ferriss (107, p. 144). 



Physa virgata ai ba Cockerell. 



Physa virgata mut. alha Cockerell, Jour. Mai., IX, 1902, p. 138. 

 Type locality : Salt River, Tempe, Ariz. 



The varietal name is preoccupied by Crandall, P. hetcrostropa alba, 1901. 



Physa wai,kEri Crandall. 



Physa zvalkcfi Crandall, Naut., XV, 1901, p. 57, pi. II, fig. 5. 

 Type locality : Petoskey, Mich. 

 Types No. 3483 Coll. Walker. 



Physa warreniana Lea. 



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

 1866, p. 163, pi. 24, fig. 81 ; Obs., XI, 1866, p. 120, pi. 24, fig. 81. 



Type locality : Long Fork of the Platte River ; Milwaukee, Wis. ; Grand 

 Rapids, Mich. 

 Is a var. of sayii according to Crandall (27, p. 44). 



