58 



GAMMARID.E. 



AMPHIPODA. 



NAT ATOM A. 



STEGOCEPHA LIDES. 



MONTAGUA MARINA. 



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

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

 margin. 



Length, ^ of an inch. 



Montaf/ua 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, both in length and breadth. The flagellum is 

 longer than the peduncle. The inferior antennas are 

 nearly as long as the superior ; the penultimate joint 



