ANONYX PLAUTUS. 



Ill 



AMPHIPODA. 



NATATOEIA. 



LYSIANASSIDES. 



ANONYX PLAUTUS. 



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. KKOYER, Voy. Scand. pi. 15, fig. 2a-#. SPENCE BATE, 

 Cat. Amph. Brit. Mus. p. 78, 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 but 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 but very little 

 longer than the superior. The first pair of legs are 



