ISOPODS OF NORTH AMERICA. 



117 



Localities. Off South Carolina; between the Delta of the Mississippi 

 and Cedar Keys, Florida; also Gulf of Naples; coast of England; 

 coast of France. 



Depth. lll-lW fathoms. 



Off Pilchards. 



FlG. 100. CONILERA CYLINDRACEA (AFTER HANSEN). a, LATERAL VIEW OF FEMALE, b, POSTERIOR 

 PART OF ABDOMEN OF ADULT FEMALE. C, ANTERIOR PART OF HEAD. (1, LEFT PLEOPOD OF FIRST 

 PAIR IN ADULT MALE. , LEFT PLEOPOD OF SECOND PAIR IN ADULT MALE. (ENLARGED.) 



The dog-fish is infested with these parasites, which reduce their 

 prey to skin and bones. They hunt, according to Dr. F. Day, a in 

 shoals, driving away the congers and other fish, but are themselves 

 devoured by the bream. 



Proc. Zool. Soc. Lond., 1884, p. 44. 



