444 GEOLOGICAL SURVEY OF NEW JERSEY. 



P. elongatum, W. Sm. 



Salt or brackish water. Monmouth : Occasional in Shark 

 River and Manasquan River. Cape May : Marshes near Cape 

 May Lewis. 



P. Fasciola. W. Sm. 



Salt or brackish water ; common. Monmouth : Shark River, 

 Manasquan River ; fossil in Ocean Beach clay. Atlantic : 

 Marshes near Atlantic City. 



P. formosum, W. Sm. 



Marine. Monmouth : Frequent in Shark River, and Atlantic : 

 In tidal pools near Atlantic City. 



P. Hippocampus, W. Sm. 



Brackish water. Common in brackish ditches and marsh 

 pools. Monmouth : Shark River and Manasquan River. Cape 

 May : Dennis Creek and Cape May. 



P. macrum, W. Sm. 



Brackish water. Marshes near Delaware Bay. Monmouth : 

 Marshes near Manasquan River. 



P. rigidum, W. Sm. 



Brackish water. Monmouth : Common in ditches near Mana- 

 squan River. 



P. Spencerii, W. Sm. 



Fresh water. Salem : Frequent in meadow ditches, Woods- 

 town and Sharptown. Sussex : Hamburg and Andover. 



P. strigilis, W. Sm. 



Brackish water. Cape May : Common in Dennis Creek. 

 P. strigosum, W. Sm. 



Brackish water. Cape May : Common on marshes near Cape 

 May. 



AMPHIPRORA, Ehrb. 

 A. alata (Ehrb.), Kiitz. 



Salt or brackish water. Atlantic : Common in marshes near 

 Atlantic City. Cape May : Marshes near Dennisville. 



A. lepidoptera, Greg. 



Marine. Monmouth : Frequent in sand ripples near mouth 

 of Shark River. 



