42 STALK-EYED CRUSTACEA 



I, Epialtus bituberculatus. 



Epialtus bituberculatus . H. Milne Edwards, A. Milne 



Edwards and Lucas, Des- 

 bonne and Schramm. 



Epialtus affinis . . . Stimpson. 



Epialtus brasilicnsis . . Dana. 



The lateral edges of the carapace }iave two expansions, 

 — one hepatic, one branchial. The rostrum is entire with 

 a blunted angle, forming more or less a triangle of three 

 equal sides. 



The first pair of legs of the male is strong ; the hand 

 is broad and compressed ; the movable finger has a large 

 tooth on its holding edge. The walking legs are thin, 

 and have no tooth on their last joint but one ; this joint 

 has a bunch of hairs. 



The body and legs have brown hairs. 



Range. — Guadaloupe, St. Thomas, Brazil, Chili. 



2. Epialtus dilatatus. 



Epialtus dilatatus . . A. Milne Edwards. 



The distance between the tips of the hepatic lateral 

 expansions is about equal to the distance between the 

 branchial. The rostrum forms an equilateral triangle, 

 but the front angle is divided into two by a notch ; 

 the under surface has an X-shaped ridge. 



Range. — St. Thomas. 



3. Epialtus longirostris. 



Epialtus longirostris . Stimpson, A. Milne Edwards. 



The rostrum is about a quarter of the total length 

 of the carapace ; it is thin, its edges arc parallel, and its 



