64 



AMPHIPODA. 



NATATOEIA. 



GAMMARIM. 



STEGOCEPHA LIDES. 





MONTAGUA POLLEXIANA. 



Specific character. Second pair of gnathopocla having the propodos as 

 long again as broad ; palm advanced, deeply notched just within the inferior 

 angle, which is produced into a tooth, internally concave. 



Length, inch. 



Montagua pollexiana, SPENCE BATE, Brit. Assoc. Report, p. 57, 1855. Synop- 

 sis, Ann. Nat. Hist. 1857, xix. 137. Cat. Amph. 

 Brit. Mus. p. 57, pi. lx. fig. 2. WHITE, Pop. Hist. 

 Brit. Crust, p. 167. 



THE eyes are small, round, and probably red ; we 

 have, however, only seen dried or dead specimens, from 

 which all colour rapidly passes away. The superior 

 antennae are nearly two-thirds the length of the body, 

 having the first joint of the peduncle longer than the 

 head, the second joint a little shorter than the first, and 

 the third small, not being distinguishable from the 

 articuli of the flagellum. The inferior antennas are 



