Bulletin, Ausgabe 292

abdominal antennal anteriorly anterolateral Atya Atyidae band basal branchial region brown Callinectes carpus Central American-Mexican region chela Chelipeds color convex cornea crabs cream Crustacea Cuba cubensis Curaçao dactyl dark decapods DIAGNOSIS.-Carapace distal Dominica Dominica station dorsal endemic Epilobocera exopod extensor margin eyestalk fauna females FIGURE fingers fresh water freshwater fronto-orbital distance Gecarcinus genus Grapsus Greater Antilles Guinotia habitats Hispaniola Isla islands Jamaica Jonga lateral margins Layou River length in midline lobes longitudinal Macrobrachium male carapace length maxillipeds maximum carapace length merus mesial mouth outer orbital angle Palaemon palm pereiopods pleopod pleopod of male podomeres portion posterior view posteriorly Potimirim Procambarus propodus proximal Pseudothelphusa Puerto Rico purple Rathbun Rostrum Saint Croix second pereiopod Sesarma shrimp slightly somite species specimens spines spots streams stripe surface tergum Third maxillipeds third pereiopod tooth transverse Trinidad troglobitic Troglocubanus type-locality Typhlatya Uca burgersi Walking legs West Indian West Indies Xiphocaris