350 



GAMMARID.E. 



AMPHIPODA. 



NATJTORIA. 



GAMMARIDES. 



MCERA GROSSIMANA. 



Specific character. Superior antenna? half as long as the animal : ped- 

 uncle very long, with the second joint longer thnn the fii'st : the short 

 flagellum not more than half the length of the peduncle : secondary append- 

 age half the length of the flagellum. Second pair of gnathopoda oblong ; 

 palm slightly oblique. 



Length ^g inch. 



Cancer {Gammarus) grossimanus. Montagu, Liun. Trans, ix. t. iv. fig. 5. 

 Moera r/rossimana. Leach, Edin. Encyc. vii. p. 403. Linn. 



Trans, xi. p, 359. Suppl. Enc. Brit. i. 



p. 425. Samouelle, Ent. Comp. p. 103. 



Desmarest, Consid. sur Crust, p. 265. 



Spence Bate, Cat. Aniph. Brit. Mus. 



p. 188, pi. xxxiv. fig. 3. 

 Milne Edwards, Hist, des Crust, t. iii. 



p. 54. White, Cat. Brit. Mus. Crust. 



1847, and Cat. Brit. Crust. 1849, 



p. 53. Pop. Hist. Brit. Crust, p. 185. 



GossE, Man. Mar. Zool. i. p. 141. 



Spence Bate, Synop. &c. Ann. Nat. 



Hist. 2 ser. xix. p. 145. 

 Milne Edwards, Ann. des Sc. Nat. t. xx. 



p. 368. Hist, des Crust, t. iii. p. 49. 



In this animal the head is not deep, but nearly as long- 

 as the first three segments of the body. The body itself 



Gammarus (jrosshnanus. 



Gammarus Impostii. 



