SYSTEMATIC LIST AND SYNONYMY. i3U 



O P H I D I A— Continued. 



Var. I'ARIETALIS 25 



Coluber parieUdis Say, 1823, I^ong's Exp., I, 186. Tropidonottis parieialis 

 Hall., 1850, Pr. Phil. Ac, 248. Trupidonolu» siHalis var. parkialis 

 Jan, 1803, Sist., 69. Eulaenia sirlulis pariHaliis Coues & Yarrow, 1878, 

 Ilayd. Kep., IV, 276. Eulaenia parkialis B. & O., 1853, Serp., 28. 

 E. omata Bd., 1859, K R. K. Kep., X, [)1. 26, f. 22; Cope, 1866, Pr. 

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

 V, 550, 553. 



Mi.ssouri Imsin and westward to Utah. 



Var. VAGEANS 



Eutaenia vagrans B. & G., 1853, Serp., 35; Grd., 1858, E.\pl. Exp. 

 Herp., 154, pi. XIV, f. 5-10; Cooper, IStiO, 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, 1875, Wheeler's Rep., V, 614; Baird, 1859, P. R. R. Rep., X, 

 Rept., 19, pi. 17. Eutaenia vagrmis vagruns Yarrow, 1875, Wheel. 

 Rep., V, 551. E. angmtirostris Kenn., 1860, Pr. Phil. Ac, 332; Y'ar- 

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

 Y^arr., 1875, Wheel. Rep., V, 554. Tropidonolm vagrans Jan, 1863, 

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

 1859, P. R. R. Rep., X, Rept., 10; Y^arr., 1875, AVhcel. 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. coiXARls 25 



Xropidoiuitus collaris Jan, 1863, Si.st., 69, — 1867, Icon., livr. 25, pi. 5, 

 2. 



Southern Mexico ; Panama. 



Var. LEPTOCErltALUS 



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

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

 Bd., 18.59, P. R. R. Rep., X, pi. .36, f. 2; Girard, 1858, Expl. Exp., 

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

 Jan, 1S65, Arch. Zoul., 211 ; Yarr., 1875, AVheel. 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 sjiots cm each 

 flank. Lateral stripes obsolete. Scales black at liase. \'entrals 

 140 to 150. Subcaudals 57 to 06. 



Oregon 



Var. INFERNALIS 25 



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

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

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

 Rept., 10; Y'arr., 1875, Wheel. Rep., V, 550. TropidonotvK saurita 

 var. infernalis Jan, 1.SG3, Sist., 70. Eutaenia pickeringii B. & G., 

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



