230 



BQPYREIXE. 



ISOPODA. 



NORMALU. 



GYGE HIPPOLYTES. 



Male. Sides subparallel ; antennae, advanced beyond the front of the head; 

 segments of the pleon fused into an elongated ovate mass, obtuse at the 

 extremity. 



Female. Broadly ovate, depressed, anterior portion slightly curved towards 

 the left (when viewed dorsally) ; segments of the pereion and pleon distinct, 

 sub-continuous ; terminal segment apparently notched at the tip, owing to 

 the projection of the posterior pair of pleopoda. 



Length : Female, seven-twentieths of an inch. 



Bopyrus Hippolytes. KROYER, Grronlands Amfipoder Besck, p. 78, pi. 4, 

 fig. 22. MILNE EDWARDS, Crust. 3, 283. WHITE, 

 Pop. Hist. Brit. Crust, p. 256. 



THE male of this species is narrow, with the sides of 

 the body almost parallel ; the head transversely ovate, with 

 minute eyes and with the four antennae short, conical, 

 subequal, and advanced beyond the front margin of the 

 head ; the segments of the body are rather wide apart at 

 the sides, and those of the tail are confluent, forming an 



