108 STEJNEGER AND BARBOUR, 1917 



Sistrurus miliarius Garman 



Mem. Mus. Comp. Zool., Vol. 8, Pt. 3, 1883, p. 177. 

 Sistrurus miliarius Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 1141, fig. 327. 



TYPE locality: Carolina. 



RANGE : North Carolina to Florida westward to Oklahoma and 

 Texas, northward in the Mississippi basin to Arkansas. 



Crotalus (GENUS) 



LiNNlS, Syst. Nat., Ed. 10, Vol. 1, 1758, p. 214 



type: horridus 



RATTLESNAKES 



Crotalus adamanteus Beauvois ' 

 DIAMOND-BACK RATTLER \ 



Qrotalus adamanteus Beauvois 



Trans. Amer. Philos. Soc, Vol. 4, 1799, p. 368. 

 Crotalus adamanteus adamanteus Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 1161, fig. 333. 



TYPE locality: United States: 



range : Southern North Carolina to Florida, westward to Louisi- 

 ana and Arkansas. 



Crotalus atrox Baird and Girakd 

 Crotalus atrox Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 5. 

 Crotalus adamanteus atrox Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 1164, fig. 334. 

 Crotalus adamanteus scididatus Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 1158, fig. 332. 



TYPE locality: San Pedro, Texas. 



range: Texas and northern Mexico to Arizona, also Lower 

 California. 



Crotalus cerastes Hallowell 



SIDEWINDER 



Crotalus cerastes Hallowell 



Proc. Ac. Nat. Sci. Phila., Vol. 7, 1854, p. ^5. 

 Crotalus cerastes Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 1196, fig. 347. 



type locality : Mojave Desert. 



range: Southern California, southern Nevada, Arizona, south- 

 western Utah. 



