238 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



as wide, and their anterior margins end in a sharp tooth, while the 

 posterior margins of all but the last pair are feebly dentate at the 

 distal end. Thorns of dactyli very strong. 



Color. A very showy crab. Carapace brownish-yellow or brick- 

 red ; legs red, with spots of a darker red, extremities yellow ; cheli- 

 peds red, except the palms, which are almost white, and the fingers, 

 which are yellow. 



Measurements. Male (7542), length of carapace 48.2, width of 

 same 56, width of front 29 mm. 



Habits. Very abundant and very active in mangrove swamps on 

 the roots and along the trunks of the trees and on wet, muddy shores 

 of inlets of the sea. 



Range. Bahamas and Gulf of Mexico to Province of Sao Paulo, 

 Brazil; Bermudas; West Africa. 



Material examined. 



Pensacola, Florida; in fish stomach; Silas Stearns; 1 male (13849). 



Nassau, Bahamas: 1886; Albatross; 2 males, 1 female (16313). 

 Dec. 25, 1898; Fish Hawk; 1 male, 1 y. (24064). 



Spanish Wells, Bahamas: 1893; Biol. Exped. State Univ. Iowa; 

 1 female (Mus. S.U.I.). 



Tampico, Mexico; "live in the soft mud of the river banks"; 

 June 1, 1910; Edward Palmer; 1 male, 2 females (1 ovig.) (44503). 



Near Belize, Honduras; W. A. Stanton; 1 male (21382). 



Old Providence, Caribbean Sea; Apr. 4-9, 1884; Albatross; 5 

 males, 9 females (7542). 



Curacao; Feb. 10-18, 1884; Albatross; 4 males, 3 females (7586). 



Mariel, Cuba ; in swamp ; " climbs trees " ; May 10, 1900 ; William 

 Palmer and J. H. Eiley; 1 male (23805). 



Cuba ; 1914 ; Henderson and Bartsch, Tomas Barrera Exped. : Los 

 Arroyas; May 20; 4 males, 4 females (2 ovig.) (48572). Ensenada 

 de Cajon, off Cape San Antonio; May 22; 3 males, 1 female (48578). 



Jamaica; Mar. 1-11, 1884; Albatross; 2 males, 1 female (7677). 



Montego Bay, Jamaica: P. W. Jarvis; 1 y. (19055). Bogue 

 Islands; C. B. Wilson; 1 female (42882). June 17, 1910; E. A. 

 Andrews; 1 female ovig. (42874). Salt Pond; June 28, 1910; E. A. 

 Andrews; 2 females, 2 y. (41749). 



Kingston Harbor, Jamaica; T. H. Morgan; 1 male, 1 female 

 (17222). 



Porto Rico; 1899; Fish Hawk: Rio Bayamon, above Palo Seco; 

 Jan. 16; 1 male (24063), 16 males, 13 females (24066). Hucares; 

 Feb. 13 and 14; 4 males, 10 females (24065). Ensenada Honda, 

 Culebra; Feb. 9; 1 y. (24034). 



San Juan Bay, Porto Rico: in mangrove swamp; Jan. 18, 1899; 

 Paul Beckwith; 3 males, 4 females (22793). 



