233 St. Maurick and Claiboknk Pelecypoda 233 



PI^ATK 32 



Figure Page 



I a, b. L irodiscus ( Crtistuloides ) psychopteriis Dal 1 89 



Fig. I, a, Copy, 20 mm., Wautubbee. V. S. Nat. Mus. 

 I, b, 16 mm. +, " 



2, a. Lirodiscus protradus^lr.^ 10 mm 90 



Copj', Enterprise, Miss., Aldrich Coll. 



3. Lirodisciis protvadus ^ Dall, 6.5 mm 90 



Copy. "Claiborne sand. " U. S. Nat. Mus. 



4-11. Lirodiscus tellinoidcs Con., Claiborne 90 



Fig. 4, 24 mm. 



5, young, 5 mm. 



6, 19 mm. 



7, 20 " 



8, 17 ' • 

 9- "-5 " 



10, 6 



11, 12 



12, a. Astartc triaugnlatoides, n. sp. , 5 mm 91 



Lisbon. 

 13. Asiarte neuseaiia, n. s'p., 18 mm 92 



Neuse River, N. C. 

 14-17. Crassiiiella mj/ior J^ea, Claiborne 92 



Fig- 14, 3-5 nini. 



15, 2,5 " 



16, 2 " 



17, 2 



18, a. Cuna parz'a hea. Claiborne 93 



Fig. 18, 2 mm. 



18, a, b, c, 2 mm. 

 18, d, e, I " 



19. Ciina, \ar. subparva Mr., alt. 1.5 mm 93 



Copy. Claiborne. 



20, a. Cuna, \ar. fimbriata, n. var., alt. 1.5 mm. Claiborne 94 



21, a. Cuna astartoides, n. sp., 1.5 mm. Wautubbee 94 



22-23. Cuna ? t>iotiroensis Mr., 2 mm 94 



Cop)-. Claiborne. 



24-35. Microj/ierts mi nuh'ssi mus hea, 1 mm. Claiborne 95 



26-29. P/euromeris aldric/ii, n. sp., 1 mm. Claiborne 95 



30. Astarte {Goodallia "^) americana Dall, 4.25 mm, Claiborne sand 200 



