ANONYX PLAUTUS. 
Ill 
AM PH IP OH A . L YSIA NA SSIDES. 
NATATORIA. 
Specific character . — Inferior antennae scarcely longer than the superior. 
First pair of gnathopoda having the propodos tapering. Palm longitudinal, 
occupying the whole of the inferior margin. 
Length 5 4 g inch. 
Anonyx plautus. Kroyer, Voy. Scand. pi. 15, fig. 2 a-v. Spence Bate, 
Cat. Amph. Brit. Mus. p. 7 8, pi. xiii. fig. 1 . 
The eyes of this species, in Kroyer ’s figure, are sub- 
reniform ; in our specimen, however, we have not ob- 
served these organs. 
The superior antennae are hut little longer than the 
head ; the first joint of the peduncle is as long as the 
head, and the second and third joints subequally short 
and narrow ; the flagellum is scarcely as long as the 
peduncle ; the secondary appendage is very short. The 
inferior antennae are very slender, and hut very little 
longer than the superior. The first pair of legs are 
