CHECK LIST N. AMER. AMPH. REPT. 123 



Thamnophis ordinoides atratus (Kennicott) 



Eutainia atrata Kennicott 



U. S. Pacific R. R. Surv., Vol. 12, Pt. 2, 1860, p. 296. 

 Thamnophis ordinoides atratus Van Denburgh and Slevin 



Proc. Calif. Ac. Sci., Ser. 4, Vol. 8, 1918, p. 224. pi. 9. 



TYPE locality: California. 



range: Coast region of California from Del Norte to Santa 

 Barbara Counties. 



Thamnophis ordinoides biscutatus (Cope) 

 Eutaenia hiscutata Cope 



Proc. Ac. Nat. Sci. Phila., 1883, p. 21. 

 Thamnophis ordinoides biscutatus Van Denburgh and Slevin 

 Proc. Calif. Ac. Sci., Ser. 4, Vol. 8, 1918, p. 245, pi. 11. 



TYPE locality: Klamath Lake, Oregon. 



range: Southern British Columbia, Vancouver Island, to Siski- 

 you and Modoc Counties, California. 



Thamnophis ordinoides couchii (Kennicott) 



Eutainia co^ichii Kennicott 



U. S. Pacific R. R. Surv., Vol. 10, Pt. 4, 1859, p. 10. 

 Thamnophis ordinoides couchii Van Denburgh and Slevin 



Proc. Calif. Ac. Sci., Ser. 4, Vol. 11, 1921, p. 29. 



TYPE locality: Pitt River, California. 



range: Sacramento and San Joaquin Valley in California east- 

 ward over the Sierra Nevada into Douglas and Washoe 

 Counties, Nevada, and Ada County, Idaho. 



Thamnophis ordinoides elegans (Baird and Girard) 

 Eutainia elegans Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 34. 

 Thamnophis ordinoides elegans Ruthven 



Bull. U. S. Nat. Mus., No. 61, 1908, p. 138. 

 Eutaenia elegans elegans Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1036, fig. 284. 



type locality: El Dorado County, California. 

 range: Sierra Nevada slopes of Nevada and California south to 

 San Diego County. 



Thamnophis ordinoides hammondii (Kennicott) 



Eutaenia hammondii Kennicott 



Proc. Ac. Nat. Sci. Phila., 1860, p. 322. 

 Thamnophis ordinoides hammondii Van Denburgh and Slevin 



Proc. Calif. Ac. Sci., Ser. 4, Vol. 8, 1918, p. 256. 



