146 BULLETIN 199, UNITED STATES NATIONAL MUSEUM 



UROSAURUS IRREGULARIS (Fischer) 



Phymatolepis (Uta) irregularis Fischer, Abh. Nat. Ver. Bremen, vol. 7, 1882, pp. 



232-234, pi. 17, figs. 1-4. 

 Uta irregularis, Boulenger, Catalogue of the lizards in the British Museum, 



ed. 2, vol. 2, 1885, p. 216. 

 Urosaurus irregularis, Mittleman, Bull. Mus. Comp. ZooL, vol. 91, 1942, pp. 



156-157, pi. 12 (upper fig.). 



Type. — Municipal Nat. Hist. Coll. Bremen, Germany, No. 437; 

 collector unlaiown. 



Type locality. — "Aus dem Hochlande von Mexico." 

 Range. — Mexico highlands. No specific locality known. 



BICARINATUS GROUP 



Species. — Three, with a total of six forms. 



Range. — Pacific slopes from southwestern Chihuahua south to 

 Chiapas; Socorro Island. 



UROSAURUS AURICULATUS (Cope) 



Uta auriculata Cope, Proc. Boston Soc. Hist., vol. 14, 1871, p. 303. — Van 

 Denburgh, Occ. Pap. California Acad. Sci., No. 10, 1922, pp. 37, 197-199, 



Urosaurus auriculatus, Mittleman, BuU. Mus. Comp. Zool., vol. 91, 1942, pp. 

 163-164, pi. 16 (type). 



Type.— U.S. ISl.M. No. 7027; Grayson collector. 

 Type locality. — Socorro Island, Revillagigedo Islands. 

 Range. — KJnown only from the type locality. 



UROSAURUS BICARINATUS BICARINATUS (Dumferil) 



Phymatolepis bi-carinatus Dum^ril, Arch. Mus. Nat. Hist. Nat. Paris, vol. 8, 



1856, p. 549, pi. 23, figs. 2, 2a, 2b. 

 Uta bicarinata, Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 16, 1864, p. 177. 

 Uta bi-carinata bi-carinata, Mittleman, Journ. Washington Acad. Sci., vol. 31, 



1941, pp. 70-71, figs. IG, 2. 



Urosaurus bicarinaius bicarinatus, Mittleman, Bull. Mus. Comp. Zool., vol. 91, 



1942, pp. 164-166, pi. 13. 



Type. — Mus. Hist. Nat. Paris, two cotypes; A. Boucard collector. 



Type locality. — Mexico, here restricted to Cuernavaca, Morelos. 



Range. — Pacific slopes from Michoacan to central Guerrero, and 

 up the basin of the Rio Balsas to southern Puebla. Reported from 

 Puebla: "Puebla," Izucar de Matamoros, Tlapanala, Chiautla; 

 Morelos: Cuernavaca; Guerrero: Agua del Obispo, Cocoyul, Chil- 

 pancingo, Mesquititlan, Iguala, Rio Balsas, etc.; Michoacan: San 

 Bias, Jorullo. 



UROSAURUS BICARINATUS ANONYMORPHUS (Mittleman) 



Uta anonymorpha Mittleman, Herpetologica, vol. 2, 1940, pp. 34-38, pi. 3, fig. 2. 

 Uta bicarinata anonymorpha, Mittleman, Journ. Washington Acad. Sci., vol. 

 31, 1941, pp. 71-72, figs. IG, 2. 



