98 
GAMMARIDiE. 
AMPHIPODA . L YSIANASSIDES. 
NAT ATOM A. 
Specific character . — Three posterior segments of the pleon very short. 
Superior antennae having the secondary appendage as long as the primary. 
Inferior antennae scarcely longer than the superior. First pair of gnathopoda 
having the propodos ovate, tapering, palm continuous with the inferior mar- 
gin, and hut slightly defined. Telson bilobed. 
Length 5 inch. 
Anovyx obesus. Spence Bate, Cat. Amph. Brit. Mus. p. 74, pi. xii. fig. 1 . 
The animal is short, round, and obese, (whence its 
specific name has been derived,) and the tail extends but 
slightly beyond the last deep segment of the body. The 
eyes were not visible in the specimen which we have 
seen, which was sent to us preserved in spirits. The 
superior antennae are rather longer than the head. The 
first joint of the peduncle is very large, the second and 
third short, the flagellum articulates with the peduncle 
upon a process of the third joint, and consists of six 
or seven articuli, the first of which is rather larger than 
the others. The secondary appendage is as long as the 
primary ; it originates in a depression immediately 
above the articulation of the flagellum, and consists of 
