U49 St. Maurick and Ci.aiboknk Pei>:cypoda 249 



PLATE 48 



Figure Page 



1, 2. Petricola claiboruensis, n. sp., Claiborne, 15 mm 153 



Specimen in the U. S. Nat, Mus. 



3,4. Trapezium daibornense Ti2\\, ^.q viww.^ Claiborne 154 



5, a. Coralliophaga claibornetisis T>a\\. (Copy). 27 mm. , Claib. 154 



6. Psaniinobia blainznllei h^Si, 34 mm., Claiborne. (Copy).... 155 



7. Psaiiunobiajilosa Con., 42 mm., Claiborne 155 



Sketch from Phila. Acad. Type specimen. 



8-11. Psammobia eborea Conrad, Claiborne sand 156 



Fig. 8, 37 mm. 

 9, 29 " 

 10, II, hinge, enlarged. 



12, 13. Egerella triangiilata Lea, 24 mm., Claiborne 156 



14-16, a. Egerella subtrigonia Lea, Claiborne 157 



Fig. 14, view from above. 



15, 6 mm. 



16, II " 

 i6a, 5 " 



