314 



PAUEONTOLOOY OF NEW-TORK. 



Fig. 1 o. A portion of a large specimen, with the smaller extremity broken off! 

 Fig. 1 b. Section of the last 



Fig. 1 e. A smaller specimen, very perfectly terminated at both extremities. 

 Fig. I d. A minute specimen of the same species. 



Position and locality. These specimens ( 1 c and d ) are from the semi-altered slates near 

 Waterford. The other specimen is from the calcareous beds associated with the same slate, 

 near Troy. 



