APPENDTX. 



511 



AMPHIPODA. 



N ATA TORI A. 



GAMMARIDES. 

 ( Voh I. p. 259.) 



Genus NICiPPE. (Bruzdius.) 



Nicippe. Bruzelids, Skan. Amph. Gam. p. 99. Spence Bate, Cat. Aniph. 

 B. M. p. 373. 



Generic character. Animal generally robust. Segments of the 

 pereion subequal, the three anterior of the pleon slightly longer, 

 increasing posteriorly. Cephalon nearly as long as the first two seg- 

 ments of the pereion. Superior antennae longer than the inferior, 

 and furnished with a small secondary appendage. Coxa moderate, 

 suhequally deep. Gnathopoda subequal, subchelate. Two posterior 

 pairs of periopoda considerably longer than the preceding. Posterior 

 pair of pleopoda biramose. Telson simple; deeply cleft. 



NICIPPE TUMID A. 



Specific character. Superior antennas nearly half the length of the body, 

 with a small three- jointed secondary appendage. Upper antennas rather 

 shorter. Gnathopoda subequal, with the propodos elongate-ovate. Three 

 posterior pairs of pereiopoda gradually elongated. 



Length, half an inch. 



Nicippe tumida. Bruzelius, Skand. Amph. Gam. p. 99, fig, 19. Spence 



Bate, Cat. Amph. B. M. p. 374. 



Fourth segment of the pleon having the posterior margin 

 furnished with two small lateral teeth on the dorsal surface. 



