33 



OPHIDIA. 



SOLENOGLYPHA. 



• 



OKOTALIDAE. 



Aploaspis, Cope. 



Aploaspis lepida, Kennicott, Proc. Acad. Phila., 1861, p. 206. Western 

 Texas. 



Grotalus, Linn. 



Crotalus pyrrJms, Cope, Proc. Phila., 1866, p. 308. Central Arizona. 



Crotalus mitcJiellii, Cope, loc. cit., 1861, p. 293. Lower California. 



Crotalus cerastes, Hallo well; Baird, U. S. Mex. Bound. Surv., vol. ii, p. 

 14. Arizona. 



Crotalus iigris, Kennicott, U. S. Mex. Bound. Surv., vol. ii, p. 14. Ari- 

 zona. 



Crotalus enyo, Cope, Proc. Acad. Phila., 1861, p. 293. Lower California. 

 Crotalus Jiorridus, Linn. ; Holbrook, N. Am. Herp., iii, p. 9. Eastern and 

 Austroriparian regions. 



Crotalus adamanteus, Beauvois, subspecies adamanteus, Beauvois; Baird 

 and Girard, IST. Am. Serpents, p. 3. North Carolina to Florida. 



Crotalus adamanteus, Beauvois, subspecies atrox, Baird and Girard, Cat, 

 p. 5. Indian Territory and Texas to Souora and Southern and 

 Lower California. 



Crotalus adamanteus, Beauvois, subspecies scutulatiis, Kennicott, Proc. 

 Acad. Phila., 1861, p. 207. Arizona. 



Crotalus lucifer, Baird and Girard, Cat., p. 6. Pacific subregion ; mount- 

 ains of Arizona. 



Crotalus yolystictus; Cope, Proc. Acad. Phila., 1865, p. 191. Table land 

 of Mexico. 



Crotalus confluentus. Say ; Baird and Girard, loc. cit., p. 8. Central and 

 Sonoran regions, entering Texan district of the Austroriparian. 



Crotalus molossus, Baird and Girard, Cat., p. 10. Sonoran region, enter- 

 ing the Texan district. 



Caudisona, Laurenti. 



Caudisona rava, Cope, Proc. Acad. Phila., 1865, p. 191. Table land of 

 Mexico. 

 3h 



