92 STEJNEGER AND BARBOUR, 1917 



Sonora (GS.vrS) 



Baied and Girabd, Cat. X. Amer. Kept. Pt. 1, 1853, p. 117 

 type: sem iannulata 



Sonora episcopa (Kennicott) 

 Lamprosoma episcopum KiaviacoTT 



U. S. Mex. Bound. Surv., Vol. ■i. 1859, Eept. p. ii, pi. 8, fig. 2. 

 Sonora episcopa \a^ DEXBrnGH 



Proc. California Ac. Sci., Ser. i. Vol. 3, 1913, p. 411. 

 CMonattis episcopus Cope 



Ann. Eep. U. S. Xat. Mus. 1898 (1900), p. 937, fig. 238. 



TTPE LOCALITY : Eagle Pass, and between San Antonio and the 



Rio Grande, Texas. 

 EAXGE : Texas to southeastern California and the adjacent regions 



of Mexico. 



Sonora occipitalis (Hollowell) 

 Rhinostoma ocdpUale Hallowell 



Proc. Ac. Nat. Sci. Phila., Vol. 7, 1854, p. 95. 

 Sonora occipitalis Xajx Denbuhgh 



Proc. California Ac. Sci., Ser. 4. Vol. 3, 1913, p. 411. 

 Chionactis occipitalis Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 941, fig. 240. 



TTPE locality: Mojave Desert. 



RANGE : Southeastern California, Arizona, Colorado 



Sonora semiannulata Baird and Girahd 

 Sonora semiannulata Batrd and Girahd 



Cat. N. Amer. Kept., Pt. 1, 1853, p. 117. 

 Chionactis episcopus isozonus Cope 



Ann. Eep. U. S. Nat. Mus. 1898 (1900), p. 939, fig. 239. 



TTPE locality : Sonora, Mexico. 



EANGE : Utah to Nevada, Arizona, southern Kansas and Texas. 



Sonora taylori (Boulengee) 

 Contia taylori Boulengeb 



Cat. Snakes Brit. Mus., Vol. 2, 1894, p. 265, pi. 12, fig. 3. 

 Chionactis taylorii Cope 



.\im. Rep. U. S. Nat. Mus. 1898 (1900), p. 936. 

 TTPE locality: Duval County, Texas, and Nuevo Leon, 



Mexico. 

 RANGE : Southern Texas and northeastern Mexico. 



