32 Calvin Goodrjch 



PLATE li 



Gyrotoma 

 All figures of shells are z/"^ times natural size 



Figures 19, 20, and 21. G. hendcrsoni H. H. Smith. Type. Coosa River, Ft. 

 William Shoals, Talladega County. (Cat. No. 27433.) 



Figures 22 and 23. G. excisum (Lea). Coosa River, Higgins Ferry, Chilton 

 County. (Cat. No. 27434.) 



Figures 24 and 25. G. lacimatum (Lea). Coosa River, Weduska Shoals, Shelby 

 County. (Cat. No. 27435.) 



Figures 26 and 27. G. incisum (Lea). Coosa River, Wetumpka, Elmore County. 

 (Cat. No. 27436.) 



Figures 28 and 29. G. incisum (Lea). Coosa River, Weduska Shoals, Shelby 

 County. (Cat. No. 27437.) 



Figures 30, 31, and 32. G. walkeri H. H. Smith. Type. Coosa River, Cedar Island, 

 Chilton County. (Cat. No. 27438.) 



Figures 33, 34, and 35. G. ainplum Anthony. Coosa River, Ft. William Shoals, 

 Talladega County. (Cat. No. 27439.) 



