118 U.S. NATIONAL MUSEUM BULLETIN 292 



P. cubensis rivalis) ; distolateral tooth (caudal process) slender and 

 acute. A medium-sized species, maximum postorbital carapace length 

 about 15 mm. 



Habitat. — Freshwater streams. 



Distribution. — Isla de Pinos, Cuba. 



31. Procambarus cubensis cubensis (Erichson) 

 Figures 30, 316 



Astacus (Camharus) cubensis Erichson, 1846, p. 100 [type-locality: Cuba]. 



Cambarus cubensis. — Girard, 1852, p. 87 [by implication]. 



Cambarus consobrinus Saussure, 1857a, p. 101 [type-locality: "le mares de la 



partie centrale de I'ile de Cuba"]. 

 Cambarus (Cambarus) cubensis. — Ortmann, 1905a, p. 101. 

 Cambarus (Procambarus) cubensis. — Ortmann, 1905b, p. 437. 



Cambarus c^ibensis cubensis. — Faxon in Rathbun, 1912, p. 458 [by implication]. 

 Cambarus cubensis consobrinus. — Faxon in Rathbun, 1912, p. 458. 

 Cambarellus cxibensis. — Creaser, 1933, p. 21. — Rhoades, 1962, p. 72. 

 Procambarus cubensis cubensis. — Hobbs, 1942a, p. 342 [by implication]. — Hobbs 



and Villalobos, 1964, p. 319, pis. 1, 2. 

 Procambarus cubensis consobrinus. — Hobbs, 1942a, p. 342 [by implication]. 

 Procambarus consobrinus. — Villalobos, 1954, p. 303. 



Diagnosis. — Body pigmented. Areola 3.1-7.6 (usually more than 

 3.5) times longer than broad and constituting 26-35.1 percent of 

 entire length of cephalothorax. Eyes well developed. First pleopod of 

 first form male with angular shoulder on anterodistal surface; postero- 

 mesial smiace strongly convex; distolateral tooth (caudal process) 

 usually rounded. A medium-sized species, maximum postorbital 

 carapace length about 18 mm. 



Habitat. — Freshwater ponds and streams. 



Distribution. — Widesf)read in Cuba and Isla de Pinos. 



32. Procambarus cubensis rivalis (Faxon) 

 Figure 31c 



Cambarus cubensis rivalis Faxon, 1912, p. 459 [type-locality: San Diego de Los 



Bafios, Provincia de Pinar del Rio, Cuba]. 

 Procambarus cubensis rivalis. — Hobbs, 1942a, p. 342 [by implication]. — Hobbs 



and Villalobos, 1964, p. 335, pis. 3-4. 



Diagnosis. — Body pigmented. Areola 2.1-3.7 (usually less than 

 3.5) times longer than broad and constituting 25.2-30.5 percent of 

 entire length of cephalothorax. Eyes well developed. First pleopod 

 of first form male with subacute angular shoulder on anterodistal 

 surface; posteromesial surface strongly convex; distolateral tooth 

 (caudal process) usually acuminate. A medium-sized species, maximum 

 postorbital carapace length about 14 mm. 



