164, PHILODRYAs. 135 
Eye about half the length of the snout; latter truncate, with 
more or less concave lores. Rostral a little 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 
or a little longer than its distance from the end of the snout, as 
long as or a little shorter than the parietals; loreal longer than 
deep; one preocular (rarely divided), twice as broad above as 
below, in contact with or narrowly separated from the frontal ; 
three postoculars ; temporals small, scale-like, 2 or3+3 or 4; eight 
upper labials, fourth and fifth entering the eye; five lower labials 
in contact with the anterior chin-shields, which are as long as 
or a little longer than the posterior. Scales with double apical 
pits, in 21 rows, smooth or more or less distinctly keeled. Ventrals 
rounded, 194-244; anal entire or divided; subcaudals 88-106. 
End of tail, in the young, somewhat swollen, with the scales raised. 
Greyish or brown above, with large dark transverse angular spots 
or bars, which may be bordered with whitish on the sides; head 
with interrupted longitudinal dark streaks and a dark lateral streak 
passing through the eye; lips spotted with blackish ; belly brownish 
or greyish, with darker or lighter spots; end of tail whitish in the 
young. 
Total length 1010 millim.; tail 200. 
Brazil. 
a. Her. (V. 205; A.2; Porto Real, Prov. M. Hardy du Dréneuf 
C. 101). Rio Janeiro. [C.]. 
b. Yg. (V. 194; A.2;  Theresopolis, Prov. Dr. E. A. Goldi [P.]. 
C..104). Rio Janeiro. 
e-d. Yg. (V. 230,233; Bahia. Dr, O. Wucherer [C.]. 
A. 1, 2; C.106, 103). 
e. 9 (V. 226; A.1;C. — Brazil. Zoological Society. 
98). 
Ff. 2 (V. 218; A.1;C. Brazil. Liverpool Museum. 
88). 
11. Philodryas burmeisteri. 
Herpetodryas trilineatus, Burmeister, Reise La Plata, i. p. 309 
(1861).—No proper description. 
Dryophylax burmeisteri (Jan), Burm. op. ¢. ii. p. 529 (1861); Jan, 
Elenco, p. 84 (1863), and Icon. Gén. 49, pl. v. (1879). 
Atomophis trilineatus, Cope, Proc. Amer. Philos, Soc. xxiv. 1887, 
p. 59. 
Eye about half as long as the snout, which is prominent, obliquely 
truncate. Rostral as deep as broad, just visible from above ; inter- 
nasals as long as the prefrontals; frontal twice as long as broad, a 
little longer than its distance from the end of the snout, as long as 
the parietals ; loreal twice as long as deep, usually fused with the 
prefrontal; one preocular, in contact with or narrowly separated 
from the frontal; two postoculars; temporals 1 or 2+2 or 3; eight 
upper labials, fourth and fifth entering the eye; four or five lower 
labials in contact with the anterior chin-shields, which are as long 
as or shorter than the posterior Scales smooth, with partly single, 
