REPTILES. 43 



SCOTOPHIS EMOEYI, B. & G. 



Scotophis emoryii, B. & G Catal. Serpents, 1853, 157. 



SPED. CHAR. Head narrow, elongated, widening suddenly behind the eyes. Snout elongated, narrow, elevated, obtuse ; out 

 line anterior to the eye subquadrangular. Crown flattened, eyes very large. Vertical plate much longer than wide, narrow 

 posteriorly, much wider in front ; superciliaries narrow. Loral large, trapezoidal, acutely angled behind. Dorsal rows 25-27, 

 carinations very faint, barely perceptible on the central rowa. Above ash grey with a dorsal series of transverse brown blotches, 

 on each side of which are two others of smaller size ; indistinct traces of a third. A frontal brown vitta passing back through 

 the eye, and crossing the angle of the mouth on to the side of the neck. Two blotches on the upper labials which are not 

 margined with black. (Kennicott.) 



No. 1716. Pecos to Eio Grande, Texas. Dr. C. B. Kennerly. 



OPHIBOLUS EVANSII, Kennicott. 



SPEC. CHAR. Light olivaceous brown or grey, with a dorsal series of about sixty subquadrangular dark chestnut brown 

 blotches, emarginate anteriorly and posteriorly, and two smaller lateral series on each side. Dorsal scales in. 25 rows. 

 (Kennicott.) 



No. 1702. Canadian river, Arkansas. H. B. Mollhausen. 



OPHIBOLUS SPLENDIDUS, B. & G. 



Ofhibolus splendidus, B. & G. Catal. N. A. Serpents, 1853, 83. 



SPEC. CHAR. Black above; the sides black with a yellowish white spot on each scale. The body crossed by transverse 

 bands consisting of yellowish white spots, one in each scale. Throat marked with black. Dorsal rows 23. (Kennicott.) 



No. 1709. Pecos to Eio Grande, Texas. Dr. 0. B. E. Kennerly. 



MASTICOPHIS TESTACEUS, B. & G. 



Coluber testaceus, SAY, Long s Exped. II, 1823, 84 HOLBROOK, N. Am. Herp. Ill, 1842, 63; pi. xiii. 

 Masticophis testaceus, B. & G. Catal. N. Am. Serp. 1853, 151. 

 Psammophis flavigularis, HALLOWELL, Pr. A. N. Sc. VI, 1852, 178. 

 Masticophis flavigularis, B. & G. Catal. N. Am. Serp. 1853, 99. 



SPEC. CHAR. In alcohol, light dull yellow, tinged with brown above. Beneath, two longitudinal series of blotches, most distinct 

 anteriorly. When the epidermis is removed, the whole animal appears of a soiled white. In life tinged with rose color ; some 

 specimens entirely brick red. Tail one-fifth of the total length. Dorsal rows 17. (Kennicott.) 



No. 1994. Pecos to Eio Grande. Dr. Kennerly. 



LEPTOPHIS MAJALIS, B. & G. 



Leptophis majalis, B. & G. Catal. N. A. Serp. 1853, 107. 



SPEC. CHAR. Reddish green above, yellowish white beneath. Body proportionally stouter and tail shorter than in L . cestivus. 

 Snout and whole head, including vertical, longer than in latter species. Dorsal scales in 17 rows. 



No. 1427. Fort Smith, Arkansas. Dr. Shumard. 



DIADOPHIS DOCILIS, B. & G. 



Diadophis docilis, B. & G. Catal. N. A. Serp. 1853, 114. 



SPEC. CHAR. Body above uniform ash grey; yellowish white beneath, sparsely spotted with black. A proportionately broad 

 yellowish white occipital ring. Dorsal scales in 17 rows. (Kennicott.) 



No. 2078. Pecos to Eio Grande, Texas. Dr. Kennerly. 



