CAPRELLA HYSTRIX. 63 
AMPHIPODA. CAPRELLID A, 
ABERRANTI4. 

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 2 inch. 
Caprella Hystrix. Kroyer Nat. Hist. Tidssk. iv. 603. pl. viii. fig. 
20-26. Voy. en Scand. pl. xxiv. fig. 1? 
Caprella acuminifera. Minne Epwarps, Hist. des Crust. t. iii. p. 107, 
pl. xxxiii. fig, 21. Spence Bare, Cat. Amph. 
Brit. Mus. p. 359, pl. lvi. fig. 11 (not of 
LATREILLE and DESMAREST). 
TuIs 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 antennz 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 
