systematic list And synonymy. 130 



OPHIDI A— Continued. 



Var, PARIETALIS 25 



Coluber parietalis Say, 1823, Long's Exp., I. 186. Tropidonotus parietalis 

 Hall., 1856, l'r. Phil. Ac, 248. ZVopitfonoftM sirtalis var. parietalis 

 Jan, 1863, Sist., 69. Eutaenia sirtalis parietalis Coues >v Yarrow, L878, 

 Hayd. Rep., 1\'. 276. Eutaenia parietalis B. <S <;.. 1853, Serp., 28. 

 E. oraito I'm!.. 1859, P. R. R. Rep., X, pi. 26, f. 22; Cope, 1866, Pr. 

 Phil. Ac, 305, 306, - 1875, Checklist, 11; Van-., L875, Wheel. Rep., 

 V, 550, 553. 



Missouri basin ami westward to Utah. 



Var. VAGRANS. . . 



Eutaenia vagram B. & G., 1853, Serp., 35; Grd., 1858, Expl. Exp. 

 Herp., 154, pi. XIV, f. 5-10; Cooper, 1860, P. R. R. Rep., XII (2), 

 207; Cope, 1866, Pr. Phil. Ac, pp. 305', 307, vars.; Yarrow, 1875, 

 Wheeler's Rep., V, 548; Coues & Yarrow, 1878, Hayd. Rep., IV, 274; 

 Coues, 1875, Wheeler's Rep., V, 614; Baird, 1859, P. R. R. Rep., X, 

 Rept., 19, pi. 17. Euta Yarrow, 1875, Wheel. 



Rep., V, 551. E. angustirostris Kenn., 1860, Pr. Phil. Ac, 332; Yar- 

 row, 1875, Wheel. Rep., V, 548. E. vagram subsp. angustirostris, 

 Yarr., 1875, Wheel. Rep., V, 554. Tropidonotus vagram Jan, 1863, 



Sist., 70, - 1865, Arch. Zool., 215. Eutaenia couchii (Kenn.) Bd., 



1859, P. R. R. Rep., X, Rept, 10; Yarr., 1875, Wheel. Rep., V, 549. 



Scales in -1 rows. Back brownish, with light vertebral line; 

 bully slatr color. Two series of small Mark spots, 95 to 105, on each 

 side. Ventrals 161 to 179. Subcaudals 70 to 90. 



Rocky Mountains to the Sierras; Sonora. 



Var. COLLARIS 25 



Xropidonotus collaris Jan. L863, Sist., 69, — 1867, Icon., livr. 25, pi. 5, 

 2. 



Southern Mexico; Panama. 



Var. LEPTOCEPHALUS 



Tropidonotus sirtalis var. leptocephala Jan, 1863, Sist., GO, — ISO", [con., 

 livr. 25, pi. 4, f. 2. Eutaenia leptocepltala B. & G., 1853, Serp., 29; 

 Bd., 1859, P. R. R. Rep., X, pi. 36, f. 2; Girard, L858, Expl. Exp., 

 Herp., 151. pi. XII, i. 7 13; Coop., i860, I'. R. II. Rep., XII (2), 297; 

 Jan, 1865, Arch. Zool., 21 1 ; Van-., is;:,. Wheel. Rep., V, 550. 

 - Scales in 19 to 17 rows, outer smooth. <>rl>iials2 :;. Light olive 

 brown, with tun series (about 130) of small black spots <,n each 

 Hank. Lateral stripes obsolete. Scales black ai iia e, Ventrals 

 1 10 to 150. Subcaudals 57 to 66. 



( Iregon 



Var. INFERNALIS 25 



Coluber infernalis Blainv., 1834, Nouv. Ann. Mas., Ill, 59, pi. XXVI, 

 f. 3. Eutaenia infernalis B. & <•.. 1853, Serp., 26; Grd., 1858, Expl. 

 Exp., Herp., 148, pi. XIV, f. 11-16; Bd., 1859, P. R. I!. Rep., X, 

 Rept., In; Van-., 1875, Wheel. Rep., V, 550. Tropidonotus saurita 

 var. infernalis Jan, I 63, Sist., 70. Eutaenia pkkeringii I:. & G., 

 1853, Serp., 27; Grd., 1858, Expl. Exp., 150, pi. XIII, f. 11-20; Bd., 



