NORTH-CAROLINA GEOLOGICAL SURVEY. 



227 



GENUS CARCHARODON. SMITH. 



Teeth very large, broad, triangular and rather uniformly 

 dentated in both jaws. The enamel is usually cracked longi- 

 tudinally ; roots massive and divergent ; inside nearly flat ; 

 surfaces smooth, and scarcely ever striated. 



CARCHARODON MEGALODON. AGASS. (Fig. 50.) 



This species has the form of an equilateral triangle, though 



FIG. 50. 



