PLATE XIV. 



PAGE 



Figs, la, lb. Odontaspis cuspidata (Agassiz) 103 



la. Inner face of a tooth with well-developed lateral denticles. Liver- 

 pool Point, 

 lb. Outer face of same specimen. 



Figs. 2a, 2b, 2c, 3a, 3b, 3c. Odontaspis elegans (Agassiz) 104 



2a. Inner face of a worn anterior tooth lacking its pair of lateral 



denticles. Liverpool Point. 

 2b. Lateral aspect of the same specimen. 

 2c. Outer face of the same specimen. 

 3a. Inner face of a "v^'ell-preserved tooth sliowing prominent coronal 



striae. Aquia Creek. 

 3b. Lateral aspect of the same specimen. 

 3c. Outer face of the same specimen. 



Figs. 4a, 4b. Odontaspis jiacrota (Agassiz) 105 



4a. Outer face of a tooth. Liverpool Point. 

 4b. Inner face of the same specimen. 



Figs. 5a, 5b, 5c. Synechodus claekti n. sp 103 



5a. Inner face of a tooth. Liverpool Point. 

 5b. Lateral aspect of the same specimen. 

 5c. Outer face of the same specimen. 



Figs. 6a, 6b. Odontaspis cuspidata (Agassiz) 105 



6a. Outer face of a tooth. Liverpool Point. 

 6b. Inner face of the same specimen. 



Figs. 7a, 7b. Sphyrna prisca Agassiz 110 



7a. Inner face of a tooth. Liverpool Point. 



7'b. Outer face of the same si)ecimen. 

 Fig. 8. Galeocerdo latidens Agassiz 109 



Outer face of a tooth. Woodstock. X 2 



366 



