COROPHIUM LONGICORNE. 



493 



AMPHIPODA. 



NATATORIA. 



PODOCERIDES. 



COROPHIUM LONGICORNE. 



Specific character. Superior antennae having the inner margin of the first 

 joint of the peduncle minutely crenulated. The inferior antennas 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, biarticulate. 



Length | of an inch. 



Cwophium longicorne. LATREILLE, Gen. Crust, et Ins. i. p. 59. LAMARCK, 

 Hist, des Anim. sans Vert. 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. DESMAREST, 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, f. 1. <? $ . 

 MILNE EDWARDS, Ann. des Sci. Nat. t. xx. 

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

 An. edit, Croch. Crust, pi. Ixi. fig. 1. BRU- 

 ZELIUS, Skand. Amph. Gamm. p. 15. WHITE, 

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

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



Gammarus lonyicornis. FABRICIUS, But. Syst. ii. p. 515. RCEMER, Gen. 

 Ins. tab. xxxiii. fig. 6. 



