APPENDIX. 



511 



AMPHIPODA. 



NATATORIA. 



GAMMARIDES. 

 ( Vol. I. p. 259.) 



Genus— NICIPPE. (BruzeUtis.) 



Nicippe. Bruzki.il's, Skan. Aniph. (Tarn. p. 

 B. M. p. 373. 



99. Spence Bate, Cat. Ampli. 



Generic character. Animal generally robust. Segments of the 

 pereion subequal. the tliree anterior of the pleon slightly longer, 

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

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

 and fiu-nished with a small secondary appendage. Coxa moderate, 

 subequally deep. Gnnthopoda subequal, subchelate. Two posterior 

 pairs of periopoda considerably longer than the preceding. Posterior 

 pair of pleopoda biramose. Telson simple; deeply cleft. 



NICIPPE TUMIDA. 



Specific character. Superior antennte nearly half the length of the borly, 

 with a small three- jointed secondary appendnj^e. Upper antennae rather 

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

 posterior pairs of pereiopoda gradually elongated. 



Length, half an inch. 



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

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



Spence 



Fourth segment of the pleon having the posteiior margin 

 furnished with two small lateral teeth on the dorsal surface. 



