144 Bryant Walker 



SoMATOGYRUS ExcAvATus Walker. 



Somatogyrus excavatus Walker, Naut., XIX, 1906, p. 100, pi. V, fig. 7. 

 Type locality : Shoal Creek, Florence, Ala. 



Somatogyrus georgianus Walker. 



Somatogyrus georgianus Walker, Naut., XVII, 1904, p. 139, pi. V, fig. 13. 

 Type locality: Chattooga River, Chattooga Co., Ga. 



Somatogyrus hendersoni Walker. 



Somatogyrus hendersoni Walker, Naut., XXII, 1909, p. 87, pi. VI, fig. 2. 



Type locality: Coosa River, Duncan's Riffle, Chilton Co., Ala. 



Somatogyrus hinki^eyi Walker. 1 



Somatogyrus hinJdeyi Walker, Naut., XVII, 1904, p. 135, pi. V, figs. 1-2; 



Naut., XXII," 1909, p. 87, pi. VI, fig. 8-9. 

 Type locaHty: Coosa River, Wetumpka, Ala. 



Somatogyrus iiumerosus Walker. 



Somatogyrus humerosus Walker, Naut., XIX, 1906, p. 98, pi. V, fig. 2. 



Type locality : Tennessee River, Florence, Ala. 



Somatogyrus integer (Say). 



Includes Paludina fontinalis Phil, erroneously referred to subglobosus 

 by Binney. Both integer and fontinalis are referred to Lithoglyphns by 

 Frauenfeld (39, pp. I94 and 179). 



Somatogyrus nanus Walker. 



Somatogyrus nanus Walker, Naut., XVII, 1904, p. 136, pi. V, fig. 4. 



Type locality : Coosa River, Wetumpka, Ala. 



Somatogyrus obtusus Walker. 



Somatogyrus obtusus Walker, Naut., XVII, 1904, p. 138, pi. V, fig. 10. 



Type locality : Coosa River, Farmer, Ala. 



Somatogyrus parvulus Tryon. 



Somatogyrus parvulus Tryon, A. J. of Con., I, 1865, p. 221, pi. 22, fig. 10. 



Type locality : Powell's River, Tenn. 



Binney's figure of "Gillia sp?" (L. and F. W. Shells, III, p. 115, ^g- 230) 

 is this species according to Tryon (131, p. 198). 



