54 



GAMMARlDyE. 



AMPHIPODA. 



NATATORIA. 



STEGOCEPHA LIDES. 



MONTAGUA MONOCULOIDES. 



Specific character. Second pair of gnathopoda having the propodos twice 

 as long as broad, palm oblique, smooth, slightly convex, defined by a very 

 obtuse angle armed with two sharp short spines. 



Length, ^ of an inch. 



Cancer (Gammarus) monoculoides, MONTAGU, Trans. Linn. Soc. vol. xi. p. 4, 



pi. ii. fig. 3. 



Montagua monoculoides, 



Typhis (?) monoculoides , 



SPENCE BATE, Rep. Brit. Assoc. 1855, 



p. 57. Synop. Brit. Amph. Ann. Nat. 



Hist. 1857, xix. 137. Cat. Brit. Mus. 



p. 55, pi. viii. fig 4. 

 MILNE-EDWARDS, Ann. Sci. Nat. t. xx. 



Aug. 1830. WHITE, Cat. Brit. Crust. 



in Brit. Mus. 1850, p. 58. GOSSE, 



Mar. Zool. p. 140, fig. 252. 



THE head produced anteriorly into a small depressed 

 rostrum. The back smooth. The eyes are round, and 

 of a red colour. The superior antennae have each joint 

 of the peduncle successively reduced in size, the flagellum 



