THE GRAPSOID CRABS OF AMERICA. 309 



Aii irregular tubercle behind the orbit. Upper margin of orbit 

 nearly straight, up to the subacute outer angle. 



Supra- frontal lobes deeply separated; middle pair transverse, a 

 little wider than the oblique outer pair. Front considerably wider 

 below than above, inclined so that the greater part of its surface is 

 visible in dorsal view, lower edge sinuous, the median sinus wide and 

 deep. 



The lower margin of the arm has the customary subdistal tooth, 

 the inner margin has an arcuate laminar expansion which ends 

 distally in a tooth. Chelae much swollen, slightly constricted at the 

 base of the thumb, finely granulate outside, grannies thickest on 

 upper surface. Fingers with a wide aperture at base, the dactylus 

 being much hollowed out; the largest prehensile tooth is near the 

 middle of the pollex and is much thickened. Inner surface of palm 

 coarsely granulate. 



Legs narrow, third pair about twice as long as carapace, its merus 

 three times as long as wide. 



Extremity of appendage of first segment of male abdomen more 

 transverse than in the allied species. 



Color. Orange or reddish-yellow, finely speckled by the black 

 hairs of the carapace; feet often marbled (Saussure). Deep brown 

 (Jarvis). Variable (A. E. Verrill). 



Measurements. Male (13798), length of carapace 19.5, greatest 

 width of same 20.1, anterior width 19.1, width of front above 10.6mm. 



Habitat. Along shore, under logs of driftwood, and among rocks 

 and piles and dead seaweed, nearly up to high-water mark. Under 

 log in pine woods about 50 yards from high-tide mark (Miller). 



Range. Southern Florida and Bahamas to Rio de Janeiro, Brazil ; 

 Bermudas. 



Material examined. 



Smiths Place, south of South Bight, east side of Andros Island, 

 Bahamas; in pothole; May 3, 1912; Paul Bartsch: 4 males, 4 females 

 (45626). 



Near Lake Kissimmee, Florida : A. M. Reese ; 11 males, 13 females 

 (45529). 



Key West, Florida ; among rocks and dead seaweed, near high tide ; 

 1885; H. Hemphill; 48 males, 95 females (13798). 



Key West Harbor, Florida: 1884: Dr. E. Palmer; 1 female 

 (13584). 



Big Gasparilla Island, Florida; Mar. 6, 1889: Grampus; 1 male 

 (15261). 



Little Gasparilla Pass, Florida; Grampus; 1 male (15260). 



Long Boat Key, Florida; Mar. 28, 1889; Grampus; 5 males, 9 

 females (15259). 



Florida; 1901: J. E. Benedict; 1 y. (25576). 



