422 



AMPHIPODA. 



NATATORIA. 



C0R0PH1ID.E. 



PODOCERIDES. 



AMPHITHOE LITTORINA. 



Sjyecific cJiaracter. Eyes small, round. Superior antennte not more than 

 half the length of the animal. Inferior antennae 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 hlack spots. 



Length | inch. 



Amplutlioe littorina. 



Anwhithoc 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 Podo- 



cerus punctatus, Spence Bate). 



This species, which is very readily distinguishable 

 from A. ruhricata 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 antenna; are annulated with 



