256 BULI.ETIN 31 256 



PLATE 55 

 Figure Page 



I. Periplonia claibor^iensis Lea, 8 + mm. ; Claiborne 180 



2-5. P. collardi Harris 180 



Fig. 2, 43 mm ; type ; Tex. State Mus. 

 3, 46 " Base of Claiborne Bluff. 



4.30 " 



5, 32+ mm. " 



6-8. P. collardi, var. australina, n. var., Orangeburg Dist 181 



Figs. 6-7, 40 -j- mm. 

 8, 23 + " 



9. Verticordia {Haliris) mississippiensis'Da.W, 5.5 mm 181 



Wautubbee ; U. S. Nat. Mus. 

 10-12. Verticordia eocensis, var. sotoetisis Aid., 4 mm., copy ; De 

 Soto, Miss. Aid. Coll. 



13. Vertico7'dia ^cr<?«^2.y Langdon, 3 mm., Claiborne 182 



14. Verticordia eocensis Langdon, 4 mm., copy after Dall ; Wau- 



tubbee, Miss. U. S. Nat. Mus. 



15. Verticordia eocensis, var., 5.3 mm., Sabine River. 



16. Verticordia eocensis, var., 4 mm.. Hickory, Miss. 



17. Cuspidaria prima Aid., 6 mm. ; copy ; Sabine Eoc. Aid. Coll. 183 



18. Cuspidaria prima, var. inultiornata Aid. &Mr. , 6 mm. 



Copy of t3'pe figure ; evidently a fragmentary portion not 

 showing true outline. Wautubbee. Aid. Coll. 



19. Cuspidaria, wax. multioj'nata , <^ mm 183 



A more complete specimen from the type locality, Wau- 

 tubbee. 



20. Fragment of C. , var. multiornata, 8 mm. ; from St. Maurice, 



La., showing a greater differentiation in size of ribs. 



21. Cuspidaria attenuata Aid., 4. mm^., co-py oi type figure 184 



From Lisbon, Ala. Aid. Coll. 



