239 St. Maut^tce and Claiborne Pelecypoda 239 



PLATS 38 

 Figure Page 



1-5. Lucina poi?iilia, \3.-. sinithii Meyer 114 



Fig. I, 8 mm, Claiborne sand, Aid. Coll. (Copy). 



3-4, a, are from the Sabine formation at Woods Bluff 

 here introduced to show clearly varietal character- 

 istics ; 4.5 mm. 

 5, 4 mm., Newcastle, Va., horizon probably St. IVIaur- 

 ice. 



6-11. Lucina pomilia Q.ox\raA, Claibornesand 115 



Fig. 6, 8 mm. 



7, 8 " 



8, 7 " 



9, 8 " 

 10,5.7 " 

 11,7 " 



12-16. L. poinilia,vdLr. a/veafa iloiix?.!, Claibornesand 116 



Fig. 12, 6 mm. 



13, 6 " 



14, 5 " 



15, 7 " 

 16,5.5 " 



17-21. Lticina papyracea Conrad, Claiborne sand 116 



Fig. 17, 6 and 7.5 mm. 



18, 5 mm. 



19, 6 '' 



20, 6.5 " 



21, 6 " 



22-23. Lucina bisculpta Meyer, 3.5 mm 117 



Claibornesand, Aid. Coll. (Copy). 

 24, a. Lucma ozarkana Harris, () mm 118 



From the Sabine formation at Woods Bluff, introduced to 



show Woods Bluff phase of the species. 

 25. The same, exterior enlarged 8 diameters to show fine, radiating 



sculpture. 

 26, a. Lucina ozarkana Ha-vrxs, ^t. Maurice stage 118 



Larger specimen (53 mm. ) from the base of Claiborne bluff ; 



smaller (28), from Lisbon. 



