344 STALK-EYED CRUSTACEA 



though pigmented. Antennal peduncle massive, the first 

 segment fused with the carapace, the second with a very- 

 prominent external prolongation ; the flagellum short. 

 Internal antennae of small size, completely concealed by 

 the antennal peduncles, which meet together in the middle 

 line. External maxillipedes moderately broad, with the 

 third joint twice the length of the fourth. Sternal thoracic 

 shield narrow, becoming linear between the legs of the 

 second pair, but slightly dilating again between the second 

 and third pair. 



First pair of legs of considerable length ; the palm 

 swollen laterally, the fingers long. Walking legs with 

 hooked terminal joint ; the fourth pair of small size, but not 

 filiform. Male generative appendages like those of 

 Ranmoides, but shorter. 



Range. — West Indies, Brazil. 



I. Zanclifer caribensis. 



Zandifer caribensis . . . Henderson. 



Eryon caribensis^ i-> t- • -n 



■^ \ . . . . De rremmville. 



Eryon trilobatus) 



Surface finely granulated. The length of the carapace 

 is one and a half times as great as its breadth. The 

 median lobe of the front is the largest ; the orbital portion, 

 short, is marked externally by a rounded tooth. The 

 peduncles of the internal antenna? are hirsute. The 

 antennal peduncle is composed of three joints ; the 

 external prolongation of tlie second joint exceeds the 

 remainder of the peduncle ; the third joint is of small size ; 

 the flagellum is minute, and ciliated on both sides. 



The third joint of the external maxillipedes is slightly 

 convex ; the fourth joint has a longitudinal sulcus on its 

 outer surface. The pterygostomian region is moderately 



