STALK-EYED CRUSTACEA 495 



2. Notostomus elegans. 



Notostomus elegans ... A. Milne Edwards. 



Resembles N. gibbostis, only the carapace is not so 

 elevated, the dorsal keel is less bowed, very finely toothed, 

 and continued into the rostrum, which is thin and about 

 twice as long as the basal antennal scale, and has above 

 and below small spines, about thirty above and eighty 

 below. The latero-inferior keel on the carapace arises in 

 front in a strong postantennary spine. 



Range. — West Indies. 



Family VI. Stylodactylidae. 

 StylodactylidiB Spence Bate. 



The first pair of maxillipedes terminates in two 

 branches subequal in size. The first two pairs of legs 

 have pincers, of which the palm is short, and the fingers 

 very long, slender, and feeble. 



I. Stylodactylus. 



Stylodactylus . . A. Milne Edwards, Spence Bate. 



Carapace one - third the length of the body. The 

 rostrum is long, laterally compressed, curved upwards, 

 and has above and below a series of articulated and 

 movable spines (about forty above and twenty below). 

 The carapace has a spine on its anterior border, one above 

 and one below the insertion of the external antennx. 

 The eyes are small, and are in contact in the middle line. 

 The internal antennae have only two flagella ; they have at 

 their base and outside a small pointed scale. The basal 

 antennal scale is slightly developed, and narrow. The 



