1 6 Bulletin 22 16 



PLATE I 



Page 



Fig. 1,2. Crassatellites ( Crassinella ) aldrichianus liar ...3 



3. Cr. clarkensis Aid 3 



4. Cardium ( Trachycardium ) claibornensis Aid 3 



5. Tellina ( Angulus) prolenta Aid 4 



6. Tellina temperata Aid 4 



7. Ervilia meyeri Aid 5 



