78 ANIMALS OF THE SEASHORE 



is past Like Mnemiopsis, Beroe is highly luminous 

 at night. 



Pleurobrachia brunnea Mayer 



( P. pile us Fa brie ins) 



Nearly spherical ih long feather-like 



tentacles. This species is . / rare in our coastal 

 waters. It occurs in large swarms off the coast of 

 New Jersey, but seldom approaches the shore. 



On October 11, 1920, Dr. T. C. Nelson found it 

 occuring in large swarms on the surface of the 

 shallow water (1 fathom) at the mouth of Mullica 

 River This is, so far, the only record from the New 

 Jersey coastal waters. It is more common toward 

 the north. 



Martensia ovum Fabricius 



Fig. 8 



An Arctic species very rarely found as far 

 south as New Jersey and only during winter months. 

 Somewhat similar to the above, but more pyriform 

 in shape. 



