152 



side, eleven to Thirteen on t he <>t her. delicate, slender, acutely 

 pointed, and slightly inclined. 



Found in the Genesee shale, at North 

 Evans, Section 1 (? ). ( Hinde. | 



Prioniodus ak.matis. Hinde. (Fig. 

 33F.) (Quart. .lour. Geol. Soc, Vol. 



xxxv.. p. :;(;o. pi. XV.) 



Distinguishing ( 'baracters. — Nan* o w . 



slightly curved basa] portion; main end- 

 tooth large, triangular, depressed convex. 

 aiynotus, ' x l^after its anterior end produced downward into 



a short spur; denticles, five to eleven, 

 straight, compressed. 



Found at North Evans, in the Genesee shale. Section 



1 (?). (Hinde.) 



Prioniodus spica/tus. Hinde. (Fig. 

 33G. ) (Quart. Jour. Geol. Soc. Vol. 

 XXXV., p. :\v>l, PI. XVI.) 



Distinguishing ( 'haracters. — X a r - 

 row, straight basal portion; straight 

 or slightly curved main end-tooth, 

 produced below in a spin-; denticles 

 of two sizes, alternate, of variable number. 



Found in the Genesee shale, at 

 North Evans, probably Section 1. 

 ( Hinde.) 



Prioniodus panderi. Hinde. (Fig. 

 33H.) (Quart, .lour. Geol. Soc.. Vol. 

 XXXV.,].. 361, PI. XVI.) 



Distinguishing ( linracters. — X a r - 

 row base; very large, slightly curved, 

 depressed, convex main end-tooth 

 prolonged below into a stout, long 

 spur, which bears what appears as 

 bases of Four denticles; denticles six. 

 Found in the Conodont bed of the Genesee, at Section 

 1. (Hinde.) 



Fig. 33G. Prioniodus spica 



tus. x 13 (after Hindi'). 



Fig. 83H. Prioniodus pan 

 rleri, x 13 (after Hinde). 



