CHECK LIST N. AMER. AMPH. KEPT. 113 



TYPE locality: Richmond, Indiana. 



RANGE : Western Pennsylvania, through Ohio and Indiana, 

 southern Michigan. 



Thamnophis eques (Reuss) 

 Coluber eques Reuss 



Mus. Senckenberg. Abh., Vol. 1, 1834, p. 152, pi. 8, fig. 2. 

 Thamnophis eques Ruthven 



Bull. U. S. Nat. Mus., No. 61, 1908, p. 158. 

 Eutaenia eques Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1049, figs. 291-293. 



TYPE locality: Mexico. 



range: Arizona and New Mexico southward to Guatemala. 



Thamnophis marcianus (Baird and Girard) 

 Eutainia marciana Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 36. 

 Thamnophis marcianus Ruthven 



Bull. U. S. Nat. Mus., No. 61, 1908, p. 58. 

 Eutaenia elegans marciana Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1044, fig. 289. 



TYPE locality: "Red River, Arkansas" [Oklahoma]. 

 range: Oklahoma and Texas west to southeastern California, 

 northeastern Mexico. 



Thamnophis megalops (Kennicott) 

 Eutaenia megalops Kennicott 



Proe. Ac. Nat. Sci. Phila., 1860, p. 330. 

 Thamnophis megalops Ruthven 



Bull. U. S. Nat. Mus., No. 61, 1908, p. 44. 

 Eutaenia megalops Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1025, fig. 278. 



TYPE locality: Tucson and Sta. Magdalena, Arizona. 

 range : The whole Mexican plateau region north to Arizona and 



southwestern New Mexico, and the Cocopah Mountains, 



Lower California. 



Thamnophis ordinoides ordinoides (Baird and Girard) 

 Tropidonotus ordinoides Baird and Girard 



Proc. Ac. Nat. Sci. Phila., Vol. 6, 1852, p. 176. 

 Thamnophis ordinoides Ruthven 



Bull. U. S. Nat. Mus., No. 61, 1908, p. 147. 

 Eutaenia elegans ordinoides Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1046. 



TYPE locality: Puget Sound. 



range : Coastal region of California, Oregon, and Washington. 



