31. ELAPHE 699 
Elaphe rosaliea StEJNEGER & Barpour, Check List N. Amer. Amph. 
Rept., 1917, p. 84; Van Densurcu & Stevin, Proc. Cal. Acad. 
Sci., Ser. 4, Vol. XI, 1921, pp. 52, 66; NeLson, Mem. Nat. Acad. 
Sci, Vol. XOViIly 192i, p. 114. 
Description.—Head long, distinct from neck, with some- 
what flattened top, and elongate snout. Body rather slender, 
a little compressed laterally. Tail tapering, rather short. 
Rostral large, much broader than high, recurved but little 
above, bounded behind by internasal, anterior nasal and first 
labial plates. Plates on top of head are a pair of internasals, 
a much larger pair of prefrontals, a frontal, in contact with 
preocular, much broader anteriorly than behind, a pair of 
supraoculars very narrow anteriorly, and a pair of large 
parietals. Anterior and posterior nasals distinct. True 
loreal single, elongate, with a subloreal. Preoculars two, the 
lower small. Postoculars three. Temporals small and 
numerous, three, four or two, in the first row. Supralabials 
10 or 11, ninth largest, fifth or sixth reaching eye. Inferior 
labials 13 or 12, seventh largest, first pair meeting on 
median line. Genials in two pairs, the posterior much 
smaller. Scales on body rather small, short, smooth, with 
two apical pits, in 33 or 34 rows, those of the outer rows 
somewhat larger. Anal plate divided. Gastrosteges vary- 
ing in number at least from 277 to 286. Urosteges in two 
series of from 83 to 84 (two females). 
The color above is a uniform olive or reddish brown 
without dark markings, becoming yellowish or greenish to- 
wards the gastrosteges. The edges of the scales are a little 
darker. The lower surfaces are grayish or greenish yellow. 
Meng thy tomanusseee eens ee 718 1030 
Menpthito fy tar seer ace == 135 201 
Distribution.—This snake is known from only two speci- 
mens. The type was obtained near Santa Rosalia, in the 
