242 Bulletin 31 242 



PLATE 41 

 Figure Page 



I. Chama monroensis Aid.. 24 mm. (Copy) 130 



Monroe Co. , Ala 



2,3. ChaDia {monroensis ?) .Wautubbee 131 



Fig. 2, 9 mm. 

 3. 10 " 



4. Chama, sp. 19 mm., Elm Or., Tex. Tex. Mus 131 



5-7. Cardium A«r;7.rz Vaughan 131 



Figs. 5 and 6, type specimen, U. S. Nat Mms., 70 mm. 

 7, 68 mm., Lisbon, Ala. 



8, 9, a. Cardium claibornense Aid. 132 



Fig. 8, 33 mm. ; De Soto, Miss. Aid. Coll. 



8, a. From Claiborne sand bed, X 4. 



9, Collier's Ferry, Tex. Mus. 



