AMPHIPODA. 



LYSIANASSA LONG1CORNIS. 



85 



LYSIANASS1DES. 



I 



LYSIANASSA LONGTCORNIS. 



Specific character. Inferior antennae longer than the animal in the male' 

 but a little shorter in the female. 

 Length ^ in. 



Lysianassa longicomis. LUCAS, Expl. Sci. Algerie Zool. i. Crust, p. 53, pi. 



5, fig. 2. SPENCE BATE, Cat. Ainph. Brit. Mus. 

 p. 70, pi. xi. fig. 2. Ann. Nat. Hist. 2nd Ser. 



xx. p. 525 (Jan. 1858.) 

 Lysianassa Chausica. SPENCE BATE, Ann. Nat. Hist. (1857) v. xix. p. 138. 



WHITE, Pop. Hist. Brit. Crust, p. 168, (not 



Alibrotus Chausicus M. -Ed wards' Hist. Crust. 



iii. 23.) 



THE head has the lobes between the antennae pro- 

 duced to a somewhat down-curved point, extending fur- 

 ther forwards than the upper extremity of the head, and 

 extending beyond the basal half of the first joint of the 

 peduncle of the upper antennae. The back is long and 

 smooth ; but the three last joints of the tail are suddenly 



