238 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



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

 posterior margins of all bat 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, \vidth of 

 same 56, width of front 29 mm. 



Hahits. — Very abundant and very iictive in mangrove swamps on 

 the roots and nlong 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 Ha;ioh; 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). 



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



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

 Pahner and J. H. Riley; 1 male (23805). 



Cuba ; 1914 ; Henderson and Bartsch, Tomas Bandera Exped. : Loa 

 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 Eawh: 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). 



