104 STEJNEGER AND BARBOUR, 1933 



Pituophis nithveni (Stull) 



Pit uo phis melanoleuciis ruthveni Stull 



Occ. Papers Mus. Zoo). Univ. Mich., No. 205, June 19, 1929, p. 1. 



TYPE locality: Longleaf, Rapides County, Louisiana. 

 range: Type locality. 



Pituophis sayi sa5ri (Schlegel) 

 BULL-SNAKE 



Coluber sayi Schlegel 



Essai Physion. Serp., Pt. 2, 1837, p. 157. 

 Pityophis sayi sayi Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 870, fig. 204. 



TYPE locality: Missouri. 



range: Northern Mexico and Texas north to Wisconsin and 

 Alberta. 



Pituophis sayi affinis (Hallowell) 

 Pituophis afinis Hallowell 



Proc. Ac. Nat. Sci. PhUa., 1852, p. 181. 

 Pituophis sayi affinis Stull 



Occ. Papers Mus. Zool. Univ. Mich., No. 250, Oct. 12, 1932, p. 4. 

 Pituophis catenifer rutilvs Van Denburgh 



Proc. Calif. Ac. Sci., Ser. 4, Vol. 10, Aug. 6, 1920, p. 24, pi. 2, fig. 2. 

 Pityophis sayi bellona Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 872 (part). 



TYPE locality: New Mexico. 



range: Southern Colorado south in Chihuahua, Mexico; west 



through Arizona and southern California and south to Colorado 



Desert, Lower California. 



Pituophis vertebralis (Blainville) 

 Coluber vertebralis Blainville 



Nouv. Ann. Mus. Hist. Nat. Paris, Vol. 4, 1835, p. 293, pi. 27, figs. 

 2-2b. 

 Pituophis vertebralis Dumeril and Bibron 



Erp. Gen., Vol. 7, 1854, p. 238. 

 Pityophis vertebralis Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 879, fig. 209. 



TYPE locality: California, a term which formerly included 

 Lower California. 



range: Throughout Lower California, as far north into California 

 as Jim Grey, San Bernardino County. It occurs also on the 

 outlying islands of Cerros, Margarita and Magdalena. 



