392 COLUBRID. 
C. Blackish above, with a yellow stripe along each side of the back ; 
belly uniform yellow. (J. lateralis, Hall.) 
d. & (Se. 17; V. 199; C. 114). ar Angelos, Cali- Mr. Gruber [C.}. 
ornia, 
10. Zamenis pulcherrimus. 
Masticophis pulcherrimus, Cope, Proc, Ac. Philad. 1874, p. 65. 
Drymobius pulcherrimus, Cope, Bull. U.S. Nat, Mus. no. 32, 1887, 
p- 70; Bocourt, Miss, Sc. Mex., Rept. p. 725, pl. xlix. fig. 3 (1890). 
Snout moderately projecting, obtuse. Rostral as deep as broad, 
the portion visible from above measuring about half its distance 
from the frontal; internasals a little shorter than the prefrontals ; 
frontal not wider than the supraocular, about twice as long as broad, 
longer than its distance from the end of the snout, as long as 
the parietals; loreal much longer than deep (in one specimen 
divided into two); one preocular; two postoculars; temporals 
2+2; nine upper labials, fourth, fifth, and sixth entering the eye ; 
five 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 17rows. Ventrals very obtusely angu- 
late laterally, 191-205 ; anal divided ; subcaudals 133-152. Dark 
olive above, with three whitish stripes, anteriorly olive with four 
black stripes; a black stripe on each side of the head, poesitig 
through the eye; upper lip and lower parts white. 
Total length 1110 millim. ; tail 370. 
Tehuantepec. 
a-b. 2 (V. 201; C. 133) Tehiuanbapon F, Samichrast [C.}. 
& yg. (V. 191; C. 184). 
e-d. § (V. 194; C.?) & City of a a ta Dr. A. C. Buller [C.]. 
2 (V.198; CG. 139). 
11. Zamenis mexicanus. 
Zamenis mexicanus, Dum. § Bibr. vii. p. 695 (1854); Bocourt, Miss. 
Se. Mex., Rept. p. 664, pl. xlvi. fig. 5 (1888). 
Masticophis mexicanus, Jan, Elenco, p. 65 (1863), and Icon. Gén. 
22, pl. vi. fig. 1 (1867). 
Phimothyra mexicana, Cope, Proc. Ac. Philad. 1864, p. 167, 
Lytorhynchus mexicanus, Cope, Proc, Am. Philos. Soc, xviii. 1879, 
. 266. 
Coluber mexicanus, Garm. N. Am. Rept. p. 45 (1883). 
Salvadora mexicana, Cope, Bull. U.S. ‘Nate ‘Mus. no. 32, 1887, p. 72, 
and Proc. U.S. Nat. Mus. xiv. 1892, p. 619. 
Snout moderately projecting, obtuse. Rostral a little deeper than 
broad, the portion visible from above nearly as long as its distance 
from the frontal; internasals a little shorter than the prefrontais ; 
frontal scarcely wider than the supraocular, once and two thirds as 
long as broad, a little longer than its distance from the end of the 
snout, as long as the parietals ; loreal longer than deep ; one or two 
preoculars ; two or three postoculars; temporals 2+2; nine 
upper labials, fourth, fifth, and sixth entering the eye; five lower 
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