226 Butrl^ETlN 31 • 326 



PLATE 25 

 Figure Page 



1-4. Leda media Lea 65 



Fig. I, 6.5 mm., Claiborne. 

 2, 9 



3- 6.5 " 

 4,6 



5, a. Leda catasarca Dall, 5 mm 66 



Wautubbee, U. S. Nat. Mus. 



6. Leda keitteiisis, n, sp., 7.3 mm., U. S. Nat. Mus 67 



7-9. Leda crassipan'a, n. sp 68 



Figs. 7-8, 4.5 mm., Lisbon. 



9, 4 '• Aid. Coll. 



10-14. Leda ozarkola , n. sp 68 



Fig. 10, 6 mm., Hamilton Bluff. 



11, 15 " 



12, 15 " 



13, II " 



14, 20 " " " 



15, a. Leda zvautubbeana, n, sp 69 



Fig. 15, 4.5 mm., Wautubbee. 

 15- 3> 7-5 " Newton. 



16. Leda zanuxemi Q.ox\., 7.2 xnvi\.^^. C. (Copy) 70 



17. Leda carolijietisis Con., 12 mm., S. C. (Cop)') 70 



18. Leda sitbtrig-ona Qon., 18 mm., S. C. (Copy) 70 



19. Leda calcareusis Qon., ii\. mm., S. Qi. (Copy) 70 



20-21. Adrana adrichiana Har 71 



Fig. 20, 1.5 mm., Roberta, La. 



21, 14 " Texas. (Copy) Tex. Mus. 



22-23. '''Nuciila capsiopsis'' de Greg. , 5.3 mm 71 



Copied from Gregorio. Claiborne. Gregorio Coll. 



24. Voldia daiboi'nertsis Qon., 10 mm. (Cop}-) 72 



Type lost. 



25-31. Yoldia psamniotcsa Dall 72 



Fig. 25, 18 mm., smooth var. , base of Claiborne bluff. 



26, 21 " striate, Lisbon. 



27, 22 " typ\c3.\ psammotcpa, base of bluff. 



28, 25 + mm., Keitt's Ravine, S. C. U. S. Nat. Mus. 



29, 18 mm. , Claiborne. 



30, Var. orangebiirgeitsis, n. var. 20 mm.; 5 mi. N. of 

 Orangeburg, S. C. 



31, the same, var. vivianensis, n. var., 14 mm., Vivian, 

 La. 



