REPTILES OF THE PACIFIC COAST. 181 



57. — Salvadora grahamiae Baird & Girard. Patched- 

 NOSED Snake. 



Salvadora grahamue, B. & G., Cat. N. A. Kept., Pt. I, Serp., 1853, 



p. 104 (type locality " Sonora, Mex.") ; Baird, U. S. Mex. 



Bound. Surv., II, 1859, p. 21, pi. V, fig. 2; Bocourt, Miss. Sci. 



au Mex. Kept., lleLivr., 1888, p. 661, pi. XLIII, tigs. 2-2e ; 



Cope, Proc .U. S. Nat. Mus. XIV, 1891 (1892), p. 619; Van 



DexNtburgh, Proc. Cal. Acad. Sci. (2), V, Pt. 1, 1895, p. 146. 

 Phimothyra (jrahamke, Cope, Proc. Ac. Nat. Sci. Phila., 1861, p. 



300; Cope, 1. c, 1883, p. 14. 

 Phimothyra hexalepis. Cope, Proc. Ac. Nat. Sci. Phila., 1866, p. 304 



(type locality Fort "Whipple, Ariz.). 

 Zamenis grahami, Boulenger, Cat. Snakes Brit. Mus., I, 1893, p. 



393 (part). 

 Salvadora. r/rahainite hexalepis, Stejneger, N. A. Fauna, No. 7, p- 



205. 



Description. — Head flat-topped or slightly rounded, 

 and snout projecting and very blunt. Temporal regions 

 not swollen. Rostral plate very large, prominent, re- 

 curved on top of snout, with free lateral edges, and 

 bounded behind by internasal, anterior nasal, and first 

 labial plates. Plates on top of head, a pair of inter- 

 nasals, a pair of prefrontals, a frontal, supraocular of 

 each side, and a pair of rather short, rounded parietals. 

 Anterior and poste- 

 rior nasals distinct. 

 Loreal small, but 



sometimes divided. j^^J^if^i 5^ I /S /f^4j^ 

 Two or one pre- and 

 two or three postocu- 

 lars. Temporals normally two followed by three, 

 rarely 1-2, 2-2, or 3-3. Eight or nine superior and 

 about ten inferior labials, sixth or seventh or seventh 

 and eighth superior and fifth or sixth inferior largest, 

 fourth and fifth or fifth and sixth superior, or small de- 

 tached portions of them, reaching eye, first pair of 

 inferior meeting on median line. Two pair of geneials. 



