56 STALK-EYED CRUSTACEA 



The interorbital space is wide ; the orbital borders are 

 rounded in front and behind. 



The fourth joint of the first pair of legs of the male is 

 frail and unarmed ; the fifth joint is a little rough ; the 

 hand is smooth, laterally compressed, without ridges ; 

 the fingers are thin, the movable finger has a strong tooth 

 near its base. The walking legs are large, subcylindrical ; 

 those of the first pair are the longest ; the last pair is the 

 shortest. The colour is brown. 



RancjE. — Guadaloupe, 



Subfamily II. Schizophrysinae. 



Schisophrysince Miers. 



Carapace very broadly triangular, oval, or nearly 

 circular. Rostrum short or obsolete. First pair of legs 

 of the male small, slender; the fingers usually excavated 

 at the tips. 



I. Temnonotus. 



Tcinnonotits . . . A. Milne Edwards. 



Carapace ovato- elliptical, convex, and tuberculated, 

 with a horseshoe-shaped pit on the dorsal surface, circum- 

 scribing the cardiac region. The front is composed of 

 two rostral horns in the middle, slightly elongated and 

 diverging, and of two praeocular spines, one on each side, 

 directed forwards and outwards. The superior orbital 

 border has a fissure above. Eyes short and thick. The 

 basal joint of the external antennae has a wide base and 

 narrows distally ; it is separated from the inferior orbital 

 border by a notch. The front completely hides it on a 

 dorsal view, but the flagellum is exposed on each side 

 of the rostral horns. The fourth joint of the external 



