lend 
73. HYPSIRHYNCHUS. 117 
Aheetulla oxyrhyncha, Giinth. Cat. p. 154 (1858). 
Leptophis oxyrhynchus, Cope, Proc. Am. Philos. Soe, xviii. 1879, 
p: 273. 
Head very long and narrow, body extremely slender; snout 
acutely pointed, strongly projecting, about thrice as long as the eye. 
Rostral deeper than broad, scarcely visible from above; internasals 
much longer than broad, shorter than the prefrontals; frontal 
twice and a half as long as broad, shorter than its distance from the 
end of the snout or than the parietals; nasal long and narrow, 
divided or semidivided; prefrontal in contact with the second 
labial; a small loreal between the praocular and the prefrontal ; 
one pre- and two postoculars; temporals 14+2; eight upper labials, 
third, fourth, and fifth entering the eye; five lower labials in 
contact with the anterior chin-shields, which are much shorter than 
the posterior. Scalesin 19 rows. Ventrals 192-210 ; anal divided ; 
subcaudals 185-202. Emerald-green above, pale green below; a 
white and yellow lateral streak, running along the lower series of 
scales; a black line, edged with white below, on each side of the 
head, passing through the eye. 
Total length 1270 millim.; tail 550. ‘ 
Santo Domingo. 
2 @V. 210); C, 185); S. Domingo. 
erly 20); C 8p). Cape Hayti. Hr. Rolle [C.]. 
3 (V. 197; C. 200). p 
a. 
b. 
c. 
73. HYPSIRHYNCHUS. 
Hypsirhynchus, Giinth. Cat. Col. Sn. p. 48 (1858). > 
* Maxillary teeth 14 or 15, slightly increasing in size posteriorly ; 
anterior mandibular teeth much larger than the posterior. Head 
slightly distinct from neck; eye moderate or rather small, with 
round or subelliptic pupil. Body cylindrical; scales smooth, with 
apical pits, in 19 rows; ventrals rounded. Tail moderate; sub- 
caudals in two rows. 
Santo Domingo, West Indies. 
1. Hypsirhynchus ferox. (Prats VI. fig. 1.) 
Hypsirhynchus ferox, Giinth. l.c. p. 49; Cope, Proc. Ac. Philad. 
1871, p. 218, and Proc. Amer. Philos. Soc. xviii. 1879, p. 273; 
Fischer, Jahrb, Hamb. Wiss. Anst. v. 1883, p. 41. 
— scalaris, Cope, Proc. Ac. Philad, 1862, p. 72; Garm. Proc. Am, 
Philos. Soc. xxiv. 1887, p. 284. 
Snout rather elongate, acuminate, obliquely truncate, strongly 
projecting, and slightly turned up at the end. Rostral broader than 
deep, not or but scarcely visible from above ; internasals as long as 
broad or a little longer, shorter than the preefrontals, which may be 
