194 BULLETIN 18 7, UNITED STATES NATIONAL MUSEUM 



Crotalus JimenezH DuGfes, La Naturaleza, vol. 4, 1877-S, p. 23, pi. 1, figs. lS-20 

 (type locality, Silao, Colirna, and Guadalajara ; type lost). 



Type.—U. S. Nat. Mus. ; lost. 



Type locality. — Tableland of Mexico. 



Range. — "The south-central portion of the Mexican Plateau from 

 Jalisco, southern Zacatecas and Guanajuato to Puebla and western 

 Veracruz" (definite reports, with specimens, are available from the 

 states of Guanajuato, Jalisco, Veracruz, and Zacatecas; literature 

 records are from Aguascalientes, Colima, Hidalgo, Morelos, Quere- 

 taro, and Tlaxcala, but none of these can be considered authentic until 

 supported by specimens, for some are apparently guesses). 



CROTALUS RUBER Cope 



Crotalus adamanteus ruber Cope, Proc. U. S. Nat. Mus., vol. 14, 1892, p. 690. 

 Crotalus ruher Van Denbuegh, Proc. California Acad. Sci., ser. 2, vol. 5, 1895, 



p. 1007.— Gloyd, Spec. Publ. Chicago Acad. Sci., No. 4, 1940, p. 207, map 16, 



pi. 21, fig. 1. 

 Crotalus atrox elegans Schmidt, Bull. Amer. Mus. Nat. Hist., vol. 46, 1922, 



p. 609 (type locality, Angel de la Guarda Island, Gulf of California; type, 



U.S.N.M. No. 64452). 



Type.—U.S.^.M. No. 9209. 



Type locality. — Not given; possibly southern California. 



Range. — "From southeastern Los Angeles County, California, south 

 approximately to Lat. 26° in Baja California, including: Orange 

 County (except coastal plain). Riverside County (west of the desert), 

 San Diego County, and extreme southwestern Imperial County; Baja 

 California (excluding the deserts northeast of the Sierra Juarez and 

 Sierra San Felipe), south to the vicinity of Comondu; the islands of 

 Angel de la Guarda, Pond, South San Lorenzo, San Marcos, and 

 Monserrate in the Gulf of California." 



CROTALUS SCUTULATUS SCUTULATUS (Kennicott) 



Caudisona scutulata Kennicott, Proc. Acad. Nat. Sci Philadelphia, vol. 13, 1861, 



pp. 207-208. 

 Crotalus sciitulatus Klaubek, Trans. San Diego Soc. Nat. Hist., vol. 6, 1930, pp. 



117-123, map p. 137, pi. 12, fig. 1. 

 Crotalus scutulatus scutulatus Gloyd, Spec. Publ. Chicago Acad. Sci., No. 4, 1940, 



p. 200, map 15, pi. 19. 



Type. — None. 



Type locality. — None. 



Range. — "The Mojave Desert of California . . ., southern Nevada 

 . . ., extreme southwestern Utah, the Colorado Desert and adja- 

 cent areas of the southwestern half of Arizona, southwestern New 

 Mexico, Trans-Pecos Texas, and south on the Mexican Plateau to 

 San Luis Potosi" (known in Mexico only from the states of Chihuahua, 

 Coahuila, Durango, San Luis Potosi, Sonora, Tamaulipas. and 

 Zacatecas) . 



