AMPIIIPODA. 



NATATORIA. 



ISiEA MONTAGUr. 



215 

 PHOXIDES. 



ISiEA MONTACtTTI. 



Specific character. Eyes reniform. Superior antennre one-half the length 

 of the animal. Gnathopoda having the propocla ovate. Pereiopoda having 

 the propoda with the distal extremity serrated. 



Length, ^''g inch. 



Iscm Montagni. Milne-Edwards, Ann. Sci. Nat. t. xx. p. 380. Hist, des 

 Crust, t. iii. p. 26, pi. xxix. fig. 11. Spence Bate, 

 Rep. Brit. Assoc. 1855, p. 58. Synop. Ann. Nat. Hist. 

 2 ser. xix. p. 142, 1857. Cat. Amph. Crust. Brit. 

 Mus. p. 122, pi. 22, fig. 1. White, Pop. Hist. Brit. 

 Crust, p. 179. 



The eyes are not large, but kidney-shaped, and of a 

 bright-red colour. The superior antennae are nearly 

 half the length of the animal, the flagellum being as 

 long as the peduncle, and the secondary appendage 

 having but three articuli. The inferior antennas are 

 not quite so long as the superior, and have the peduncle 

 longer than the flagellum : the olfactory organs in this 

 species are well developed. The first pair of legs are 

 rather small, and have the palm of the hand very ob- 



