190 ANIMALS OF THE SEASHORE 



dredged in deep water off New Jersey or as far 

 south as Ocean City, Maryland, the recorded south- 

 ern limit of the species. 



Neptunea decemcostata Say 



Fig. 31 



A large shell decorated with ten revolving ribs; 

 known from Nova Scotia to Massachusetts Bay. A 

 few fossil specimens have been found on the New 

 Jersey beaches; these, like the above species pro- 

 bably lived off the New Jersey coast during Glacial 

 times when the water was considerably cooler than 

 it is to-dav. 



Neptunea stonei Pilsbry 

 ( ( 7/ rysodom us si one i Pilsbry ) 



PLATE XX. Fig. 3 



An extinct species that is occasionally picked 

 up on the New Jersey beaches. It is known from 

 Pleistocene deposits on Gardiners Island, N. Y., 

 Marthas Vineyard and Nantucket, Massachusetts, 

 and probably lived during or just before the last 

 glaciation; rare and never found perfect. 



