gammaridj:. 



AMPIIIPODA. 



NATATORIA. 



STEGOCEPHA LIDES. 



MONTAGUA MARINA. 



Second pair of gnatliopoda having the propodos long and tapering, with 

 the palm nearly straight, occupying almost the entire length of the inferior 

 margin. 



Length, ^^ of an inch. 



Montagua marina, Spence Bate, Brit. Assoc. Rep. 1855, p. 57. Synopsis 

 Ann. Nat. Hist. 1857, xix. 137- Cat. Amph. Brit. Mus. 

 p. 56, pi. viii. fig. 5. White, Pop. Hist. Brit. Crust, 

 p. 166. 



The eyes are round and red. The superior antennae 

 are half the length of the animal. The first joint of the 

 peduncle is as long as the head; the second joint is quite 

 as long as the first, but not so stout ; the third is very 

 small, botli in length and breadth. The flagellum is 

 longer than the peduncle. The inferior antennas are 

 nearly as long as the superior ; the penultimate joint 



