30 Calvin Goodrich 



PLATE I 



Gyrotoma 

 All figures of shells are 3/2 times natural size 



Figures i, 2, and 3. G. pyramidatum Shuttleworth. Coosa River, Ten-Island Shoals, 

 St. Clair County. (Cat. No. 27425.) 



Figures 4 and 5. G. spillmanii (Lea). Coosa River, Shelby County. Schowalter 

 Collection. (Cat. No. 27426.) 



Figures 6, 7, and 8. G. pagoda (Lea). Coosa River, Higgins Ferry, Chilton 

 County. (Cat. No. 27427.) 



Figure 9. G. pagoda (Lea). Coosa River, Higgins Ferry, Chilton County. Young 

 shell. (Cat. No. 27428.) 



Figures 10 and 11. G. pumilum (Lea). Coosa River, Wetumpka, Elmore County. 

 (Cat. No. 27429.) 



Figures 12 and 13. G. alahamensis (Lea). Coosa River, Weduska Shoals, Shelby 

 County. (Cat No, 27430.) 



Figures 14 and 15. G. cariniferum Anthony. Coosa River, Ft. William Shoals, 

 Talladega County. (Cat. No. 27431.) 



Figures 16, 17, and 18. G. lewisii (Lea). Ft. William Shoals, Talladega County. 

 (Cat. No. 27432.) 



