10 ZOOI-OGY. 



CROTALUS LUCIFER, B. & G.— Oregon Rattlesnake. 

 Plate XI. 



Crotalus Ittcifcr, B. & G. Pr. A. N. Sc. VI, 1852, 177.— Ib. Catal. N. Am. Serp. IHWi, 6.— Girard, Herp. U. S. Ex. 

 Ex. 1858, 187, pi. XV. figs. 1—6. 



Spec. Char. — Head short, rather broad and deep, angles much rounded ; noee less pointed than in C. confluentus. Labials 

 above 15-16 ; below 1!>-1(). Dorsal rows 25. A dorsal series of brown blotches not margined by whitish ; two small, irn gular 

 lateral series on each side. Posteriorly 15 or 21) half rings, becoming blackish in old specimens. Light stripe from orbit below 

 superciliary to angle of jaw above upper labials Light stripe before the eye expanded upon the whole of the upper labials and 

 'ront and sides of face below the crown and in front of the orbits. Single light transverse line on superciliatiea often obsolete 

 Rostral not edged with lighter. — (Kennicott.) 



No. 379. Lost river, Oregon Territory. Dr. Newberry. 



EUTAENIA INFERNALIS, B. & G. 



? Coluber ivfermlis, Blainville, Nouv. Ann. du Mus. Ill, \SM, 69, pi. xxvi, fig. 3. 



Eutaenia infirnalis, B. & G. Catal. N. Am. Serp. 1853, 26 —Girard, Herp. U. S. Ex. Ex. 1858, 143, pi. xiv, figs. 

 11 — 16. 



Spec. Char — Most slender of all the species of the section. Head and eye large. Above black; a series of about 110 

 triangular reddish yellow spots, confluent with the indistinct lateral stripe, itself confluent with the greenish white sides and 

 abdomen. Lateral stripe on second and third lateral rows. Dorsal rows I'J. 



No. 893. Fort Reading, California. Dr. Hammond. 



EUTAENIA CONCINNA, B. & G. 



Tropidonotus concinnus, Hallowell, Pr. A N. Sc. VI, 1852, 1£2. 

 Eutaenia concinna, B. & G. Catal. N. Am. Serp. 1853, 146. 



Spec. Char. — Dorsal rows of scales 21, all carinated. Black, with a dorsal light stripe, and the usual lateral stripes replaced 

 by a series of distinct siilmon-colored spots. 



No. 937. Portland, Oregon. Dr. J. S. Newberry. 



EUTAENIA ELEGANS, B. & G. 



Eutaenia elegans, B. & G. Catal. N. Am. Serp. 1853, 35. 

 Tropidonolus trivittatus, Hallow. Pr. A. N. Sc. VI, Jan. 1853. 237. 



Spec. Char. — Body moderately stout, compact, and cylindrical ; stouter than E. pickeringii, and the tail proportionally 

 shorter. Head short, labials largely developed, eight above, sixth largest. Dorsal rows 19-21. Scales smaller than in E. 

 picheringii. In color strongly resembles E. faireyii, but with the lateral stripes differently situated. Uniform black above. 

 Uniform light greenish below, not darker posteriorly. A broad light yellow dorsal stripe distinct to the end of the tail ; the 

 lateral stripe, on the second and third rows, broad and well defined of a greenish white color. — (Kennicott.) 



No. 879. Canoe Creek, Oregon Territory. — 831. Willamette valley, Oregon Territory. — 

 884. Pit River valley, California. Dr. J. S. Newberry. — No. 878. Fort Reading, California. 

 Dr. Hammond. 



EUTAENIA COUCHII, Kennicott. 



SpKo. Char. — Body moderately stout. Tail less than one-fourth the total length and very small. Head exceedingly elongated 

 and narrow, more so than in any other of the genus. Snout very long, narrow, aud pointed. Crown plane above; eye large; 

 8 upper labials, G largest, 7 scarcely smaller. Dorsal rows 21 ; outer row large, very faintly carinated; the second smaller but 

 broader tlian the third; the rest rather large, elongated, and strongly carinated. Dorsal stripe narrow and very indiitinot. An 



