Catalogue Recenti^y Described Moi.i.usca hi 



T"'fivsA iiALEi Lea. 



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



p. 165, pi. 24, fig. 83; Obs., XI, 1866, p. 121, pi. 24, fig. 83. 

 Type locality : Alexandria, La. 



Physa hawnii Lea. 



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



p. 165, pi. 24, fig. 84; Obs., XI, 1866, p. 121, pi. 24, fig. 84. 

 Type locality : \'erdigris River, Kans. 



Is gyrina according to Tryon (132, p. 162) and Crandall {2"/, p. 54). 



Physa heterostropiia Say. 



Includes lata and primcana Tryon according to Crandall (27, p. 29). 



Physa heterostropha aeba Crandall. 



Physa heterostropha alba Crandall, Xaut., XV, 1901, p. 29. 

 Type locality : Cedar Lake, Capachet, X^ Y. 

 Types Xo. 407..J7 Coll. Walker. 



Physa humerosa Gould. 



Includes rlwuiboidea Crandall (eraiidalli Baker), according to Springer 

 (120, p. 513). 



Physa ixtegra Haldeman. 



Includes billingsU as a var. according to Crandall (27, p. 56). 



Physa i,ata Tryon. 



Physa lata Tryon, Am. J. of Con., I, 1865, p. 227, pi. 23, fig. 7. 

 Type locality : Juniata River, Hallidaysburg, Pa. 

 ■ See heterostropha. 



Physa i.ORDr Ikiird. 



Physa parkeri Currier, Kent Sci. Inst., Alisc. Pub., 1868, p. 7 (no desc.) ; 

 DeCamp, Kent Sci. Inst., Misc. Pub., X'^o. 5, 1881, p. 15, pi. i, \\g. 3. 

 Type locality {parkeri) : Houghton Lake, ]\Iich. 

 Types (parkeri) X^o. 11997 Coll. Walker. 



Henderson and Daniels (56, p. 75) suggest that the JVIichigan and Can- 

 adian forms difi^er markedly from the typical western form. 



Physa malleata Tryon. 



PJiysa malleata Tryon, Am. J. of Con., I, 1865, p. 225, pi. 23, fio-. 14. 

 Type locality: Hell Gate River, Oregon. 



