NORTH- CAROLINA GEOLOGICAL SURVEY. 241 



denticles rather prominent and strong ; line of base nearly 

 horizontal ; roots spreading widely, forming a very obtuse 

 angle with each other. 



I have referred also the following figures of teeth to the 

 genus otodus: 82, 83, 84, 85, 86, 87, 88. They all belong t&amp;lt;. 

 the eocene formation, and occur in a layer near the top. They 

 are from the plantation of Mr. Wadsworth, of Craven county. 



FIGS. 82 & 83. 



FIGS. 86 & 87. F|G fe8 



GENUS CORAX. 



The following figures of teeth found in the eocene of Craven 

 county. I am unable to refer them to species already describ 

 ed, viz : 82, 83, 84, 85. 



FIG. 82a. 



FIG. 83a. 



riG. 



GENUS ODONTASPIS. (Figs. 86a, S7a, 88a, 89a.) 



This genus should have followed larnna: 



FIGS. 86a & 87a. T , ., ,. , ,. 



1 now introduce it tor the purpose oi re 

 ferring to odontaspis, (figs. 86 and 87,) 

 which appear to belong to this genus ra 

 ther than lamna. So, also, figs. 88 and 

 89, which are destitute of basal denticles : 

 but the cutting edge of the crown extends 

 over the fangs and is slightly expanded 

 on this part of the tooth; it preserves also 

 its cutting edge. Eocene of Craven county. 

 I have no facilities at hand which en 

 able me to make a correct reference of the 

 eocene odontolites, and have to trust tu 



