350 



GAMMAR1DJE. 



AMPHIPODA. 



NAT A TORI A . 



GAMMARTDES. 



MCERA GROSSIMANA. 



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

 uncle yery long, with the second joint longer than the first : the short 

 flagellnm 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 2 7 inch. 



Cancer (Gammarus) grossimanus. MONTAGU, Linn. Trans, ix. t. iv. fig. 5. 

 Mcera grossimana. 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. Amph. 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. 

 Gammarus Impostii. 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 grossimanus. 



