DECAPOD CRUSTACEANS OF THE WEST INDIES 



173 



bearing scattered tubercles. Walking legs broad and flattened, merus 

 of third pereiopod about two-fifths as wide as long, with sharp sub- 

 distal tooth on extensor margin; dactyl less than one-fourth as long 

 as extensor margin of j^ropodus. Denuded first pleopod of male ter- 

 minating in posterior view in short truncately subtriangular endpiece 

 directed laterally (fig. 58a). A medium-sized species, maximum cara- 

 pace length in midline about 22 mm. 



Figure 54. — Aratus pisonii, male (carapace length 23.8 mm) from Jamaica (T. H. Morgan). 



Habitat. — Among mangroves, especially on branches, and along 

 shores of estuaries. 



Distribution. — Florida to Estado de Sao Paulo, Brazil (New 

 Providence I., Cuba, Jamaica, Puerto Rico, Saint Croix, Antigua I., 

 Guadeloupe, Isla de Margarita, Islas Los Roques, Curagao) ; eastern 

 Pacific from Nicaragua to Peru. 



Genus Cyclograpsus 



65. Cyclograpsus integer H. Milne Edwards 



Figures 55, 5Sb-d 



Cyclograpsus integer H. Milne Edwards, 1837, p. 79 [type-locality: Brazil]. — 

 Rathbun, 1918, p. 326, pi. 97: figs. 1, 2.— Monod, 1956, p. 451, figs. 609-612.— 

 HartnoU, 1965, pp. 115, 116, 137, 138, 141, 143, 144. 



