CAPRELLA HYSTRIX. 



AMPHIPODA. 



ABERRANT!^. 



63 



CAPRELLID^E. 



CAPRELLA HYSTRIX. 



Specific character. Tuberculated along the dorsal surface, the tubercles 

 increasing posteriorly. Second pair of gnathopoda having the propodos ovate ; 

 palm convex, defined by a blunt process surmounted by a spine. 



Length f inch. 



Caprella Hystrix. 

 Caprella acuminifera. 



KROYER Nat. Hist. Tidssk. iv. 603. pi. viii. fig. 



20-26. Voy. en Scand. pi. xxiv. fig. 1 ? 

 MILNE EDWARDS, Hist, des Crust, t. iii. p. 107, 



pi. xxxiii. fig. 21. SPENCE BATE, Cat. Amph. 



Brit. Mus. p. 359, pi. Ivi. fig. 11 (not of 



LATREILLE and DESMAREST).. 



THIS species is tuberculated throughout the entire 

 length of the animal, the tubercles increasing in size 

 towards the posterior extremity of the body. The head 

 is slightly angulated on the crown. The first segment 

 of the body is short ; the second is longer, and of 

 the same length as the third, fourth, and fifth. The 

 sixth and seventh are shorter. The superior antennae are 

 less than half the length of the animal ; the inferior are 

 not longer than the peduncle of the superior. The first 

 pair of legs are small ; the second articulate near the 

 centre of the second segment of the body, but in the 



