824 13. COLUBRID 
sional snake. Perhaps insects also are eaten. One male, 
caught at Berkeley, contained a Western Racer. This is 
the only instance I recall of a snake having been eaten by 
a garter-snake. 
186. Thamnophis ordinoides elegans (Baird & Girard) 
Mountain GarTER-SNAKE 
Eutainia elegans Bairp & Grrarp, Cat. N. Amer. Rept., Pt. I, Serp., 
1853, p- 34 (type locality, El Dorado County, California). 
Eu'enia elegans Yarrow & HensHaw, Ann. Rep. Chief of Engineers 
for 1878, Surv. W. rooth Merid., Appendix NN, 1878, p. 116. 
Tropidonotus trivitta‘us HaLLowe Lt, Proc. Acad. Nat. Sci. Phila., Vol. 
VI, 1853, p. 237 (Cosumnes River, Cal.). 
Eutenia elegans brunnea Core, Proc. U. S. Nat. Mus., Vol. XIV, 1892, 
p. 654 (type locality, Fort Bidwell, Cal.); Corr, Report U. S. 
Nat. Mus. for 1898, 1900, p. 1037. 
Eutenia elegans lineolata Cope, Proc. U. S. Nat. Mus., Vol. XIV, 1892, 
p- 655 (part), (no type); Cope, Report U. S. Nat. Mus. for 1898, 
1900, p. 1038 (part). 
Thamnophis elegans Van Densurcu, Occas. Papers Cal. Acad. Sci., 
No. V, 1897, p. 207 (part); GrinneLt, Univ. Cal. Publ. Zool., 
Vol. 5, No. 1, 1908, p. 167. 
Eutenia elegans elegans Brown, Proc. Acad. Nat. Sci. Phila., 1903, 
p- 288 (part); Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 
1036. 
Thamnophis ordinoides elegans RutTHvEN, Bull. U. S. Nat. Mus., No. 
61, 1908, p. 138 (part); SreyNeGeR & Barsour, Check List N. 
Amer. Amph. Rept., 1917, p. 102 (part); GRInNELL & Camp, Unie. 
Cal. Publ. Zool., Vol. 17, No. 10, 1917, p. 180 (part); Van Den- 
BuRGH & Stevin, Proc. Cal. Acad. Sci., Ser. 4, Vol. VIII, No. 6, 
1918, p. 235; Van DensurcH & Stevin, Proc. Cal. Acad. Sci., 
Ser. 4, Vol. XI, 1921, pp. 29, 37- 
Description—Head distinct from neck, flat-topped, 
with narrow, rounded snout, and temporal regions some- 
times swollen. Eye moderate. Rostral large, bounded 
behind by internasal, anterior nasal, and first labial plates. 
Plates on top of head: A pair of internasals, a pair of pre- 
