COROPHIUM LONGICORXE. 



493 



AMPIIIPODA. 



NAT ATOM A. 



PODOCERIDES. 



COROPHIUM LONGICORNE. 



Specific character. Superior antenna? having the inner margin of the first 

 joint of the peduncle minutely crenulated. The inferior antenna? longer than 

 the animal in the male ; the penultimute joint of the peduncle armed near 

 the distal extremity with a tooth upon the inferior surface ; flagellum about 

 half the length of the last joint of the peduncle, Inarticulate. 



Length ^ of an inch. 



CoropTiium longicorne. 



Gammarus longicom is. 



Latreille, Gen. Crust, et Ins. i. p. 59. Lamarck, 

 Hist, des Anim. sans Yert. v. p. 184. Leach, 

 Edin. Encyc. vii. p. 403. Linn. Trans, xi, 

 p. 362. Suppl. Ency. Brit. i. p. 426. Samouelle, 

 Ent. Comp. p. 105. Desiiarest, Consid. sur 

 Crust, p. 270, pi. xlvi. fig. 1. Brebisson, Cat. des 

 Crust, recueillis dans le Dep. du Calvados, 1825, 

 p. 252. Guerin, Icon. Regne An. 27, 1. $ $ . 

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

 p. 385. Hist, des Crust, t. iii. p. 66. Regne 

 An. edit. Croch. Crust, pi. lxi. fig. 1. Bru- 

 zelius, Skand. Amph. Gamm. p. 15. White, 

 Cat. Brit. Crust, p. 55. Pop. Hist. Crust, 

 p. 193, pi. xi. fig. 1. 



Fabricius, Ent. Syst. ii. p. 515. Rcemer, Gen. 

 Ins. tab. xxxiii. fig. 6. 



