168 ANIMALS OF THE SEASHORE 



heros) and the Periwinkle (Littorina litorea) are 

 eaten with much relish in Newfoundland, and vari- 

 ous species of Conch (8 trombus, Fulgur, etc.) are often 

 eaten in Florida and the West Indies. 



Gastropods are found in the sea, in fresh water 

 and on land. 



Fissurella alternata Say (Key Hole Limpet) 



Fig. 30 B 



A southern shell occasionally found on the 

 beaches of southern New Jersey, probably washed 

 from a Pleistocene fossil deposit. Not known alive 

 north of Cape Hatteras. 



Scalaria lineata Say 



(Scala lineata 8 ay; Epitonium lineatum (Say) ) 



Fig. 30 D 



Shell white, sometimes with a few brown lines; 

 about 1 inch long with about eight whorls, promi- 

 nently ribbed. Not common on the beach, but 

 occasionally found in from 2 to 25 fathoms off 

 shore; known from Vineyard Sound to the Gulf of 

 Mexico; more common north of New Jersey. 



Scalaria humphrysii Kiener 



(Scalaria say ana Doll; Epitonium humphrysii (Kiener) ) 



PLATE XX. Fig. 11 



Ribs more prominent than those of the above; 

 color usually pure white; similar in habits and 

 range as the above; rare. 



