CAPRELLA ^QUILIBRA. 



AMPHIPODA. 



71 



CA PRELLIDJE. 



CAPRELLA yEQUILIBRA. 



Specific character. Male. Body smooth. First and second segments of 

 pereion very long, equal to half the length of the animal. Second pair of 

 gnathopoda articularly at the posterior extremity of the second segment ; 

 propodos long-ovate ; palm subparallel with the upper margin, armed 

 anteriorly with a large triangular tooth or process, and a small denticle 

 immediately posterior to the process. 



Length f inch. 



Caprella cequilibra. 



Caprella equilibra. 

 Caprella Januarii. 



SPENCE BATE, Cat. Amph. Crust. Brit. Mus. p. 362, 



pi. Ivii. fig. 5. 



SAY, Journ. Acad. Philad. i. p. 391. 

 KROYER, Nat. Tidssk. iv. p. 499, pi. vi. fig. 14-20* 



Voy. en Scand. pi. vi. fig. 15. DANA, U. S. Explor. 



Exped. p. 819, pi. Iv. fig. 2. 



