CALLIOPE L.EVIUSCULA. 



259 



AMPHIPODA, 



NATATORIA. 



GAMMARIDES. 



CALLIOPE L.EVILSCULA. 



Specific character. Eyes tolerably large. Superior antenna? having 

 the third joint of the peduncle infero-distally produced to a short tooth. 

 Gnathopoda having the propoda large, oval, and robust. 



Length \ inch. 



Amphithoe l&viuscula. Kroyer, Gronl. Amph. p. 53, t. 3, fig. 13. Milne 



Edwards, Hist, des Crust, t. 3, p. 30. Bell, 

 Append. Belcher's last Arctic Yoy. p. 405. 



Calliope Leachii. Spence Bate, Rep. Brit. Assoc. 1855, p. 58. Ann. 



Nat. Hist. 2 ser. xix. p. 142 (Feb. 1857). [ Cat. <?. &*>_> 

 Amph. Brit. Mus. p. 148, pi. xxviii. fig. 2j 

 White, Pop. Hist. Brit, Crust, p. 179. 



The head is produced anteriorly to a small point be- 

 tween the superior antennae. The first three segments 

 of the tail have the posterior margin a little elevated in 

 some specimens. The fourth segment has a broad but 

 not deep depression, which appears to receive the pos- 

 terior margin of the third segment when the animal is 

 extended. The eyes are black, and tolerably large and 

 irregularly round. The antennae are nearly of the same 



s2 



