APPENDIX. 511 
AMPHIPODA. GAMMARIDES, 
NATATORIA. (Vol. I. p. 259.) 

Genus—NICIPPE. (Bruzelius.) 
Nicippe. Bruzetus, Skan. Amph. Gam. p. 99. Spence Barn, Cat. Amph. 
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 antenne longer than the inferior, 
and furnished with a small secondary appendage. Coxa moderate, 
subequally deep. Gnathopoda 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 antenne nearly half the length of the body, 
with a small three-jointed secondary appendage. Upper antenne rather 
shorter. Gnathopoda subequal, with the propodos elongate-ovate. Three 
posterior pairs of pereiopoda gradually elongated. 
Length, half an inch. 
Nicippe tumida. Bruzertus, Skand. Amph. Gam. p. 99, fig. 19. SPENCE 
Barr, Cat. Amph. B. M. p. 874. 
Fourta segment of the pleon having the posterior margin 
furnished with two small lateral teeth on the dorsal surface. 
