110 COLUBRID. 
passing through the eye; labials and chin yellowish white ; ventrals 
brown, copper-coloured, with darker dashes. 
Total length 520 millim. ; tail 205. 
Upper Amazon. 
6. Leptophis saturatus. 
Leptophis saturatus, Cope, Journ. Ac. Philad. (2) viii. 1876, p. 133. 
pe ccphiys saturatus, Cope, Proc. Amer. Philos, Soc. xxiii. 1886, 
p. 279. 
Head short and wide; snout not longer than the diameter of the 
eye. Frontal rather broad; nasals not elongate; loreal present, 
nearly twice as long as deep; one preocular, nearly reaching the 
frontal; two postoculars; temporals 1+2; nine upper labials, fifth 
and sixth entering the eye. Scales in 15 rows, one on each side of 
the median vertebral weakly keeled. Ventrals not angulate, 160; 
anal divided; subcaudals 133, Indigo-blue (in spirits), very dark 
on head and spine; lips dark green; a blackish shade above the 
labials behind the eye. 
~ Total length 880 millim.; tail 340. 
Sipurio, Costa Rica. 
7. Leptophis diplotropis. 
Aheetulla diplotropis, Giinth. Ann. § Mag. N. H. (4) ix. 1872, p. 25, 
pl. vi. fig. A. 
Hapsidophrys diplotropis, Cope, Proc. Amer. Philos. Soc, xxiii. 1886, 
279. 
estaptus diplotropis, Giinth. Biol. C.-Am., Rept. p. 180 (1894). 
Rostral broader than deep, just visible from above; internasals 
shorter than the preefrontals ; frontal once and a half to once and 
two thirds as long as broad, as long as its distance from the end of 
the snout, shorter than the parietals; nasal elongate, divided ; loreal 
usually present, once and a half to thrice as long as deep; one 
preocular, not reaching the frontal; two postoculars; temporals 
142; eight upper labials, fourth and fifth entering the eye ; four or 
five lower labials in contact with the anterior chin-shields, which 
are shorter than the posterior. Scales in 15 rows, those of the 
series on each side of the vertebral with a strong keel. Ventrals 
feebly angulate laterally, 165-186; anal divided; subeaudals 126- 
166. Olive or pale green above, with or without oblique black 
cross bars; scales of the vertebral series yellowish or pale olive ; 
a black stripe on each side of the head and neck, passing through 
the eye; two black lines following the dorsal keels; upper lip and 
lower parts pale greenish yellow. 
Total length 1250 millim. ; tail 440. 
Western Mexico. 
a-c. Her. 2 (V. 181,175, Tehuantepec. F. Sumichrast [C.]. 
179; OC. 145, 133, 146). (Types.) 
d. Her. @ (V..179; C. Tapana, Tehuantepec. F. Sumichrast [C.]; 
153). F. D. Godman & 
O. Salvin, Esqs. [P.]. 
