BATHYPOREIA PELAGICA. 



AMPHIPODA. 

 NATATORIA. 



309 



GAMMARIDES. 



BATHYPOREIA PELAGICA. 



Specific character. Inferior anteunas longer than the animal. Fourth 

 segment of the tail entii-e. 

 Length \ inch. 



Bathyporeia j^clayica. Spence Bate, Cat. Am ph. Brit. Mns. p. 174, 

 lA. xxxi. fig. 6. White, Pop. Hi.st. Brit. Crust, 

 p. 188. 



Tlicrsites 'pelayica. Spence Bate, Eep. Brit. Assoc. ISS.o, p. 59, 



Ann. Nat. Hist. 2 ser. xix. ji. 146. 



The superior antennge reach beyond the extremity of 

 the peduncle of the inferior, but to what extent we are 

 unable to determine, since they were mutilated at this 

 point : the articuli are small and regular ; the secondary 

 appendage consists of two articuli, one being longer than 

 the other, and both being as long as three or four of the 

 articuli of the ilagellum. The inferior antennae are very 

 long and very slender ; the penultimate joint of the 

 peduncle is longer than the ultimate ; the articuli of 



