235 S'T- Maurice and Claiborne Pelecypoda 235 



PLATE 34 



Figure Page 



I. Crassatellites texanns Heilp., 30 mm 97 



North Boundary of Murchison Headright, Tex. Tex. State 

 Museum. 



2-3. Crassatellites antestriatus Gabb, 45 mm 98 



Lee Co., Tex. Singley's Coll. 



4. '' Crassatellites rhomboideus^^ ConrsiA, 50 mm 99 



Orangeburg Dist. ? S. C. 



5-6. Crassatt'llites clarkejtsis, Dall, St. Maurice, La loo 



Fig. 5, 22 mm. 



6, (right) 25 mm. 



7, (left) 20 " 



7-10. C. clarkensis var. ferrocarolinus, n. var loo 



Fig. 7, 25 mm., showing well developed umbonal liration. 

 Three miles W. N. W. of Orangeburg, S. C. 



8, (right) 22, (left) 36 mm. Three miles W. N. W. of 

 Orangeburg, S. C. 



9, 36 mm., exterior of fig. 8. 



10, 35 mm., nasute form, Orangeburg Dist., S. C. 



