422 



AMPHIPODA. 



NAT ATOM A. 



C0R0PH1ID.E. 



PODOCERIDES. 



AMPHITHOE LITTORINA. 



Specific character. Eyes small, round. Superior antenna? not more than 

 half the length of the animal. Inferior antenna? almost as long as the 

 superior. Gnathopoda having propoda tapering to the extremities ; palma? 

 corresponding with the inferior margins ; dactyla not having the inner margin 

 serrated. Colour, green, with black spots. 



Length inch. 



Ampliiihoe littorina. 



Amphitkoe punctata. 



Spence Bate, Rep. Brit. Assoc. .1855, p. 59. Ann. 



Nat. Hist. 2 ser. xix. p. 148. Cat. Amph. Brit. 



Mus. p. 234, pi. xli. fig. 2. White, Hist. Brit. 

 Crust, p. 200. 



Johnston, Zool. Journ. iii. p. 127 and 490. Ann. 

 Nat. Hist. xx. p. 243. White, Cat. Crust. Brit. 

 Mus. p. 50. W. Thompson, Ann. Nat. Hist. xx. 

 p. 243 (October, 1847) (not of Say, nor of Costa, 

 Rend. Accad. Sci. di Nap. 1853, p. 176, nor Poclo- 

 cerus punctatus, Spence Bate). 



This species, which is very readily distinguishable 

 from A. rubricata whilst alive, requires close observation 

 to determine its identity in a preserved state. The body 

 is long and laterally compressed. The eyes are small, 

 round, and black. The antennae are annulated with 



