181, ERYTHROLAMPRUS. 205 
upper surface of the head; rostral and upper labials brown above 
and grey beneath, the two colours separated by a white line ; lower 
parts uniform yellowish white. 
Total length 360 millim. 
Michoacan, Mexico. 
4. Erythrolamprus lateritius. 
Coniophanes lateritius, Cope, Proc. Ac. Philad, 1861, p. 524. 
Tachymenis hag ag Peters, Mon, Berl. Ac. 1869, p. 876. 
—— lateritia, Garm. N. Am. Rept. p. 61 (1883); Giinth. Biol. C- 
Am., Rept. p. 162 (1895). 
Erythrolamprus melanocephalus, Cope, Bull. U.S, Nat. Mus. no. 32, 
887, p. 78. 
latoritins, Cope, 1. ¢. 
Snout acute and prominent, head broad behind. Frontal shield 
nearly as broad as long; loreal square; one pre-and two post- 
oculars; seven upper labials, third and fourth entering the eye. 
Scales in 19 rows. Bright vermilion above, punctulated with 
brown, passing through orange to golden on the belly; head and 
nape black, the labials bordered and traversed by yellow lines, 
and the parietals dotted with the same; throat and chin yellow, 
black-spotted. 
Guadalajara, Mexico. 
5. Erythrolamprus dromiciformis. 
Tachymenis dromiciformis, Peters, Mon. Berl. Ac. 1863, p. 2738. 
Coniophanes dromiciformis, Cope, Proc. Ac. Philad, 1866, p. 128, 
and 1868, p. 104. 
Erythrolamprus dromiciformis, Cope, Proc, U.S. Nat. Mus. xiv. 
1892, p. 676. 
Coniophanes signatus, Garm. Bull. Essex Inst. xxiv. 1892, p. 91. 
Snout moderate, rather strongly depressed, rounded. Rostral 
broader than deep, just visible from above ; internasals shorter than 
the prefrontals ; frontal once and a half to once and two thirds as 
long as broad, longer than its distance from the end of the snout, 
shorter than the parietals; loreal deeper than long; one preocular 
(sometimes divided); two postoculars; temporals 1+2; eight or 
nine upper labials, fourth and fifth entering the eye; four lower 
labials in contact with the anterior chin-shields, which are as long 
as or shorter than the posterior. Scales in 19 rows. Ventrals 
123-128; anal divided; subcaudals 71-80. Yellowish above, 
speckled with brown and with a brown vertebral stripe, five scales 
wide, and a dark brown lateral streak extending to the head and 
passing through the eye; lips speckled with brown; yellowish 
beneath, outer ends of ventrals dark brown or with a dark brown 
dot. 
Total length 335 millim, ; tail 105. 
Western Ecuador. 
a-b. (V. 126, 128; C. 71, ?). Guayaquil. 
