PULMONATA— PHYSIDAE— PHYSA LOEDI. 



939 



PHYSA ALTONENSIS, Lea. 



Physa altonemis, Lea, Proc. Acad. Nat. Sci. Phila., 1S64, 114. 



Type found at Alton, 111. 



Found by the collectors of the expedition as follows: — 



No. 



Locality. 



Date. 



Collector. 



500 O 

 500 B 



575 B 

 A 16 

 1176 





July, 1873 

 .... do 



II. W. Henshaw. 



Do. 



Do. 

 G. M. Keasbey. 

 Jas. M. Rutter. 



do 





Aug., 1S73 

 .do 





.. do . 



July, 1S74 





The two last numbers represent a variety differing in some essential 

 points from the type. 



PHYSA ANCILLARIA, Say. 



Physa ancillaria, SAY, Jour. Acad. Nat. Sci. Phila., v, 1825,124. — Say, Conch., Binney' 

 ed., 114.— Binney & Bland, Land & Fresh Water Shells N. A., ii, 1869, 

 81, f. 139.— Hald., Mon., 1843, 27, pi, iii, figs. 1-10.— Gould, Invert., 1841, 

 213, f. 142.— Adams, Venn. Moll., 1842, 154.— DeKay, N. Y. Moll., 1843, 78 

 pi. v, 90. — Chemnitz, 2d ed., 20, pi. xii, figs. 12, 13. — Chenu., Man. de 

 Couch., ii, 480, !'. 3550.— Anon., Can. Nat., ii, 1857, 211, fig. 



Physa obesa, DeKay, N. Y. Moll., 1843, 78, pi. v, f. 86. 



Is distributed from New England to Louisiana southward and to New 

 Mexico westward. Taken as follows : — 



No. 



Locality. 



Date. 



Collector. 



1337 

 Y18 

 166 G 





Aug., 1S74 

 ....do 



Dr. H. C. Yarrow. 

 Do. 

 Do. 



* ■ 



do 



do 



do 







The last enumerated is a variety. 



PHYSA LORDI, Bd. 



Physa Jordi, Bd., Proc. Zool. Soc. Loudon, 1803, 08.— W. G. Binney. Laud & Fresh 

 Water Shells N. A., 1805, 70. 



Is a characteristic shell of the higher grounds of the Rocky Mountains, 

 according to Baird. The specimen secured differs slightly from the type, 

 and is considered a variety by Dr. Lewis. 



