SYSTEMATIC LIST AXl) SYNONYMY. 139 



6 P H I D I A— Continued. 



Var. paeietalis 25 



Coluber parietalis Say, 1823, Long's Exp., I, 1S6. Tropidonotus parietalis 

 Hall., 1856, Pr. Phil. Ac, 218. Trojiidonotus siHalis var. parietalis 

 Jan, 1803, Sist., 69. Eutaenia airtalix parietalis Cones & Yarrow, 1S78, 

 Hayd. Rep., IV, 276. Eutaenia parietalis B. & G., 1853, Serp., 28. 

 E. ornata Bd., 1859, P. R. R. Rep., X, pi. 26, f. 22; Cope, 1S66, Pr. 

 Phil. Ac, 305, 306, — 1875, Checklist, 41 ; Yarr., 1S75, Wheel. Rep., 

 V, 550, 553. 



Missouri basin and westward to Utah. 



Var. vagrans. . 



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

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

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

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

 Coues, 1S75, Wheeler's Rep., V, 614; Baird, 1859, P. R. R. Rep., X, 

 Rept, 19, pi. 17. Eutaenia vagrans vagrans Yarrow, 1875, Wheel. 

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

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

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

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

 1859, P. R. R. Rep., X, Rept, 10; Y r arr., 1875, Wheel. Rep., V, 549. 



Scales in 21 rows. Back brownish, with light vertebral line; 

 belly slate color. Two series of small black spots, 95 to 105, on each 

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



Rocky Mountains to the Sierras; Sonora. 



Var. collaris 25 



Tropidonotus collaris Jan, 1863, Sist., 69, — ■ 1867, Icon., livr. 25, pi. 5, 

 2. 



Southern Mexico; Panama. 



Var. LEPTOCEPHALUS 



Tropidonotus sirtalis var. leptocephala Jan, 1863, Sist, 69, — 1867, Icon., 



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



. Bd., 1859, P. R. R. Rep., X, pi. 36, f. 2; Girard, 1858, Expl. Exp., 



Herp., 151, pi. XII, f. 7-13; Coop., 1860, P. R. R. Rep., XII (2), 297; 



Jan, 1805, Arch. Zool., 211 ; Yarr., 1S75, Wheel. Rep., V, 550. 



Scales in 19 to 17 rows, outer smooth. Orbitals 2 — 3. Light olive 

 brown, with two series (about 130) of small black spots on each 

 flank. Lateral stripes obsolete. Scales black at base. Ventrals 

 140 to 150. Subcaudals 57 to 66. 



Oregon 



Var. infernalis 25 



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

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

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

 Rept, 10; Yarr., 1875, Wheel. Rep., V, 550. Tropidonotus saurita 

 var. infernalis Jan, 1863, Sist, 70. Eutaenia pickeringii B. & G., 

 1853, Serp., 27; Grd., 1858, Expl. Exp., 150, pi. XIII, f. 14-20; Bd., 



