THE GKAPSOID CRABS OF AMERICA. 99 



Merus of outer maxilliped very wide and angled; propodus broadly 

 subtrianguiar, having a minute linear dactylus inserted on the proxi- 

 mal portion of its oblique distal margin. 



Cheliped (left only is present) stout, manus short, increasing 

 greatly in width toward distal end where it is higher than superior- 

 length; lower margin of propodus 

 straight except distal half of finger 

 curved upward, well overlapping 

 dactylus ; edge of immovable finger 

 with a few teeth of which the one 

 at middle is largest; dactylus also 

 wide at base, and strongly arched. 



Legs narrow, length 2.1 and 3. 

 4 that is, 2 longest, 1 and 3 next, 

 and of about equal length ; propodi 

 with both margins convex except 

 the hind margin of the second one 

 which is straight; dactyli slender, 

 curved, subequal, with spinelike 



'IPS. FIG. 50. PINNOTHERES ORCUTTI, EXDO- 



Abdomen Suboblong, terminal GNATH OF OUTER MAXILLIPED OP MALE 



HOLOTYPE, X 67. 



segment transversely oblong and 



longer than the sixth segment which has a shallow rightangled 



indentation on either side. 



Color. Dorsal surface of dried specimen a dark purple except 

 across front, on posterior margin and posterior half of cardiac region. 



Measurements. Male holotype, length of carapace 3.C, width of 

 same 3.1 mm. 



Range. Known only from the type-locality. 



PINNOTHERES HEMPHILLI, new species. 

 Tlate 23. 



Type-locality. Cedar Keys, Florida ; between tides ; Henry Hemp- 

 hill; "seems rare"; 1 male (6420). 



Diagnosis. Male octagonal. Chelipeds stout. Second leg longest, 

 as also its propodus and dactylus; propodus concave on posterior 

 margin. Dactyli curved. Sternum sharply ridged. 



Description of male. Small and almost bare. Carapace suboc- 

 tagonal, the posterior margin twice as long as anterior margin, mid- 

 lateral margins parallel to median line, as long as postlateral mar- 

 gins, antero-lateral margins (to angles of front) longest. Carapace- 

 depressed, somewhat wrinkled. 



Outer maxillipeds in situ short and wide; partly overlapped by 

 sternum; the outer margin of ischium-merus broadly arcuate; palpus 



