80 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



abruptly narrowed nt middle, where the dactylus is articulated ; the 

 latter is small and narrow, and does not nearly reach end of pro- 

 podus. 



Chelipeds stout, margins hairy ; chelae subovate ; palm wider than 

 its superior length, its margins convex, outer surface with a longi- 

 tudinal elevated line bordered with a mat of coarse hair; fingers 

 stout, especially the immovable one, which is broadly triangular 

 except for the slender, curved tip ; it has a right-angled sinus on the 

 prehensile edge which corresponds to a tooth behind the middle of 

 the strongly curved dactylus, remainder of dactylus crenate; when 

 the fingers are closed, the tips cross each other. 



Of the ambulatory legs the second and third are about the same 

 length, the first a little shorter, fourth shortest; propodites convex 



FIG. 37. PINNOTHERES DEPRESSUS, OUTER MAXILLIPED OF MALE (48594), X 137i. 



on anterior margin, faintly crenulate on posterior margin, the first 

 very thick, its posterior margin straight, of second and third concave, 

 of fourth convex, the fourth propodus being greatly dilated and oval 

 in form; dactyls similar, elongate, with long, slender, curved tips. 



Abdomen gradually narrowed, terminal joint no longer than wide, 

 end rounded. 



Measurements. Male (48594), length of carapace 1.6, width of 

 same 1.8 mm. 



Range. Egg Harbor, New Jersey, to northwest Cuba. 



Material examined. 



Beaufort, North Carolina; Union College Collection, No. 71 c; 

 1 young male (deposit in U.S.N.M., Cat. No. 42821). 



Cabanas, northwest Cuba; on sand, shell, grass to mud bottom; 

 June 8, 1914 ; station 16, Tomas Barrera Exped. ; received from Hen- 

 derson and Bartsch; 1 young male (48594). 



