DECAPOD CRUSTACEANS OF THE WEST INDIES 



115 



Third pereiopod with propodus slightly more than three times as 

 long as dactyl. A small species, maximum postorbital carapace length 

 about 6 mm. 



Habitat. — Subterranean fresh water. 



Distribution. — Known only from the type-locality, a cave in 

 Provincia de La Habana, Cuba. 



Figure 28. — Second pleopods, males: a, right, mesial view, P daemon {Palaemon) pandali- 

 for^nis shown in figure 26; b, left, mesial view, paratype, Troglocuhanus calcis from cave 

 between Madruga and Aguacate, La Habana Province, Cuba (T. Barbour); c, right, 

 mesial view, T. eigenmanni from cave near Guira de Melena, La Habana Province, Cuba 

 (P. Perdigon); d, right, mesial view, topotype, T. inermis from cave between Madruga 

 and Aguacate, La Habana Province, Cuba (T. Barbour); e, left, anterior view, holotype, 

 T. jamaicensis from cave near Goshen, Jamaica (modified from Holthuis, 1963a);/, right, 

 anteromesial view, Barbouria cubensis shown in figure 29. 



28. Troglocuhanus jamaicensis Holthuis 



Figure 28e 



Troglocuhanus jamaicensis Holthuis, 1963a, p. 67, fig. 3 [type-locality: stream 

 in limestone cave near Lucky Hill Cooperative Farm near Goshen, Jamaica]. 



Diagnosis. — Carapace with minute antennal spine arising from 

 anterior margin, without branchiostegal or hepatic spines. Rostrum 

 not reaching beyond second segment oj antennular peduncle, convex 

 dorsally, sinuous ventrally; unarmed or with small dorsal tooth above 

 posterior margin of orbit. Eyes reduced, cornea without pigment. 

 Second pereiopods subequal, slender, less than one and one-half times 

 as long as palm, meeting throughout their length, smooth and bare, 

 without teeth on opposable margins; palm subcylindrical, slightly 

 swollen, slightly more than two and one-half times as long as wide, 

 smooth and bare; carpus three-fourths as long as chela and about 



