418 



COROPHIIDJ]]. 



AMPHIPODA. 



NATATORIA. 



PODOCERIDES. 



AJtlPHITIIOE RUBRICATA. 



Specific character. Superior antenna; nearly two-thirds the length of the 

 animal ; peduncle reaching to the extremity of the penultimate joints of the 

 peduncle of the inferior ; flagellum long and slender. Inferior antennte one- 

 third shorter than the superior. Gnathopoda liaving the propoda subequal ; 

 carjji iuferiorly produced to a small extent ; propoda ovate, the palma; oblique 

 and imperfectly defined. The colour of the adult animal is a bright 

 crimson. 



Length i inch. 



Gammarus ruhricaliis. 

 Ampldthoe rubricata. 



Cancer (Gamnmrus) ruhricatus. Montagu, Linn. Trans, ix. p. 99, pi. v. 



fig. 1. 

 Leach, Edin. Encyc. vii. p. 402. 

 Leach, Edin. Encj'c. Append, p. 432. 

 Linn. Trans, xi. p. 360. Siippl. Enc. 

 Brit. 1, p. 425. Desmarest, Consid. 

 Crust, t. 45, fig. 9. Samouelle, Ent. 

 Comp. p. 104. Thompson, Ann. Nat. 

 Hist. XX. p. 242 (Oct. 1847). Milne 

 Edwards, Ann. Sci. Nat. xx. p. 377. 

 Hist, des Crust, iii. p. 33. Spence 

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

 Ann. Nat. Hist. 2 ser. vol. xix. p. 147. 

 Cat. Amph. Brit. Mus. p. 233. White, 

 Hist. Brit. Crust, p. 200. Gosse, Mar. 

 Zool. i. p. 141, fig. 258. 



The figure at the head of this description is taken 

 from Montagu's t^-pe in the Britisli Museum. But the 



