UNIVERSITY 



REPTILES OF THE PACIFIC COAST. 



181 



57. Salvadora grahamiee Baird & Girard. PATCHED- 

 NOSED SNAKE. 



Salvadora grahamice, 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, figs. 2-2e ; 



COPE, Proc .U. S. Nat. Mus. XIV, 1891 (1892), p. 619; VAN 



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

 Phimothyra yrahamiai, 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, BOULENCJER, Cat. Snakes Brit. Mus., I, 1893, p. 



393 (part). 

 Salvadora grahamice hexalepix, STEJNEGER, N. A. Fauna, No. 7, p- 



205. 



Description. Head flat-topped or slightly rounded, 

 and snout projecting and very blunt. Temporal regions 

 riot 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. 

 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, 



