464 GEOLOGICAL SURVEY OF NEW JERSEY. 



MACRONEIVIA, Pictet. 

 M. zebratum, H:igen. 



HYDRO PSYCHE, Pictet. 

 H. scalaris, Hagen. 



H. morosa, Hagen. 



Caldwell, common — Crane. 



H. phalerata, Hagen. 



PHILOPOTAMUS, Leach. 

 P. distinctus, Walk. 



Caldwell, rare — Crane. 



FOLYCENTROPUS, Curtis. 

 P. validus, Walk. 



P. lucidus, Hagen. 



CHIMARRHA, Leach. 

 O. aterrima, Hagen. 



