a ee SS ee 
54, ZAMENIS. 389 
e, f-4, k-l. 8 (V. 5 197; Tres Marias Islands. Mr. A, Forrer [C.]. 
C.'125, 1 (Vv. 
195, 195, 1 ‘ 197 ; 
C. 113, 117, 115, 113, 
m. A ead and neck). Guadalajara, 1500 ft. Dr. A. C. Buller [C. 
n. Ad. (head and neck). Autlan, Jalisco. Dr. A. C. Buller [C.}. 
oo (Vv. 187; C. 129). Amula, Guerrero. Ae W. H. Smith 5 
7. Zamenis mentovarius. 
Coryphodon mentovarius, Dum. § Bibr, vii. p. 187 (1854). 
Bascanium suboculare, Cope, Proc. Ac. Philad. 1866, p. 319. 
ome corais, var. suborbitalis, Peters, Mon. ‘Berl. Ae. 1868, 
P 
Bascanium mentovarium, Coe, Proc. Am. Philos. Soc. xviii. 1879. 
f 2; Bocourt, Miss. Sc.’ Mex., Rept. p. 699, pl. xlv. fig. 6 
). 
Co ye constrictor, var. mentovarius, Garm. N. Am. Rept, p. 42 
( ). 
Snout rather prominent. Rostral broader than deep, the portion 
visible from above about one third as long as its distance from the 
frontal; internasals shorter than the prefrontals; 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 
preocular, with a subocular below it; two postoculars ; temporals 
2+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 ; 
rior chin-shields longer than the anterior, and separated from 
each other by scales. Scales smooth, in 17 rows. Ventrals 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 
Mexico and Guatemala. 
a. o (V. 196; C. 113). a Vera 0. Salvin, Esq. [C.]. 
b. 185; C.?). Rio Chiso O. Sal C. 
py AM ) 0 y: vin, Esq. [C.}. 
Mexico. 
8. Tn fee a a 
Natrix flagelliformis, part., Laur. Syn, Rept che 
Coluber flagellum, Catesby, Nat. Hist. Carol. a iy (1771). 
—— flagelliformis, Rept. vi. p. 380 (1803); Holbr. N. Am. 
AE. onl ee xix. Re) Garm. N. Am. Rept. p . 42 (1883). 
ro ier M. ii. mg ; 
aie 2 ena Ae. "Philad. v. 1 5. Stk, and yak Re 
Ki 118 (1835); Holbr. N. Am, Herp. (2nd ed.), i oe p- “ OL at 
842); Garm. Bull. Essex Inst. xxiv. 1892, p. 1 
