54. ZAMENIS. 389 



e,f-i, k-l. S (V. 192, 197 ; Tres Marias Islands. Mr. A. Forrer [0.1. 



C. 125, 128) & hgr. (V. 



195,195,197,195,197; 



C. 113, 117, 115, 113, 



120). 

 m. Ad. (head and neck). Guadalajara, 1600 ft. 

 n. Ad. (head and neck). Autlan, Jalisco. 

 o. S (V. 187; C. 129). Amula, Guerrero. 



7. Zamenis mentovarius. 



Coryphodon mentovarius, Ihim. S,- liibr. vii. p. 187 (1854). 



Bascanium suboculare, Cope, Proc. Ac. Philad. 18GG, p. 319. 



? Spilotes corais, var. suborbitals, Peters, 3Ion. Berl. Ac. 1868, 



Bascanium meutovarium. Cope, Proc. Am. Philos. Soc. xviii. 1879, 

 p. 271 ; Bocourt, Miss. Sc. Mex., Rent. p. 699, pi. xlv. fig. 6 

 (1890). 



Coluber constrictor, var. mentovarius, Garm. N. Am. liept. p. 42 



(1883). 



8nout rather prominent. Rostral broader than deep, the portion 

 visible from above about one third as long as its distance from the 

 frontal ; iuternasals shorter than the prjefrontals ; frontal not or 

 but slightly broader than the supraocular, once and two thirds as 

 long as broad, longer than its distance from the end of the snout, 

 as long as the parietals ; loreal a little longer than deep ; one 

 praeocular, with a subocular below it ; two postoculars ; temporals 

 24-2; seven or eight upper labials, fourth, sixth, and seventh (or 

 fifth, seventh, and eighth) very large, fourth or fifth entering the 

 eye ; four lower labials in contact with the anterior chin-shields ; 

 posterior chin-shields longer than the anterior, and separated from 

 each other by scales. Scales smooth, in 17 rows. Veutrals very 

 obtusely angulate, 185-202; anal divided; subcaudals 111-113, 

 Olive above, this colour extending to the outer ends of the ventrals ; 

 ill-defined yellowish lines on the sides ; sides of head marbled olive 

 and yellow ; belly yellow, anterior ventrals with two series of olive 

 spots. 



Mexico and Guatemala. 



a. c? (V. 190'; C. 113). San Gerouimo, Vera O. Salvin, Esq. [C.]. 



Paz. 



b. 2 (V. 185 : C. ?). Rio Chisoy. 0. Salvm, Esq. [C], 



c. Skull. Mexico. 



8. Zamenis flagelliformis. 



Natrix flagelliformis, part., Laur. Si/n. Pepf. p. 79 (1768). 

 Coluber flagellum, Catesby, Nat. Hist. Carol, ii. pi. liv. (1771). 

 flagelliformis, Daml. Pept. vi. p. 380 (1803) ; Ilolbr. N. Ain. 



Herp. p. 107, pi. xix. (1830); Garm. N. Am. Rept. p. 42 (1883). 

 testaceus, Say, in Lonys Expecl. Rocky M. ii. p. 48 (1823) ; 



Harlan, Journ. Ac. Philad. v. 1827, p. 348, and Med. Phys. Res. 



p. 113 (1835) ; Holbr. N. Atn. Herp. (2nd ed.), iii. p. 63, pi. xiii. 



(1842) ; Garm. Bull. Essex Inst. xxiv. 1892, p. 107. 



