136 COLUBRID#. 
eye; five lower labials in contact with the anterior chin-shields, 
which are as long as or a little longer than the posterior. Scales 
in 19 rows. Ventrals obtusely angulats sterally, 169-197 ; anal 
divided ; subcaudals 60-78. Length of tau + to 5 times in the total 
length. Uniform green above, upper lip and lower parts uniform 
yellowish white ; a black nuchal band may be present in the young, 
Total length 550 millim.; tail 110. 
Brazil, Argentine Republic. 
": OV. 175; C260). S. America. 
BAO L(V. 178; C. 66). Pernambuco. (Types) 
Garg. (Y. 1695 C.\7a). Pernambuco. W. A. Forbes, Esq. 
[Pel 
d, Yg. (V. 182; C. 78). Rio Janeiro, D. Wilson Barker, 
Esq. [P.]. 
Peet. Ore MG, a). Salta, Buenos Ayres. Herbert Druce, Esq. 
P. 1; 
11. Liophis typhlus. 
Coluber typhlus, Linn. S. N. i. p. 878 (1766) ; Daud. Rept. vii. p. 135 
(1803). 
Natrix forsteri, Wagl. in Spix, Serp. Bras. p. 16, pl. iv. fig. 1 (1824). 
Xenodon typhlus, Schleg. Phys. Serp. ii. p. 94 (1887) ; Dum. & Bibr. 
vii. p. 760 (1854) ; Giinth. Cat. p. 57 (1858). 
Liophis typhlus, Jan, Arch, Zool. Anat. Phys. ii. 1863, p. 300, and 
Icon. Gén. 18, pl. iv. fig. 2 (1866); Peay: Zeitschr. f. ges: 
Naturw. \viii. 1885, p. 229, 
Opheomorphus typhlus, Cope, Proc. Ae. Philad, 1868, p. 102. 
Xenodon isolepis, Cope, Proc. Am. Philos, Soe. xi. 1869, p. 155. 
Opheomorphus brachyurus, Cope, Proc. Am. Philos. Soc, xxiv. 1887, 
p. 07. 
Kye rather large; snout short. Rostral broader than deep, visible 
from above; internasals as long as broad or slightly broader than 
long, as long as or shorter than the prefrontals; frontal once and 
a half as long as broad, as long as or a little longer than its 
distance from the end of the snout, as long as the parietals ; 
loreal deeper than long; one pree- and two postoculars; temporals 
1+2; eight upper labials, fourth and fifth entering the eye; five 
lower labials in contact with the anterior chin-shields, which are as 
long as the posterior. Scales in 19 rows. Ventrals obtusely 
angulate laterally, 136-171; anal divided; subcaudals 46-57. 
Length of tail 43 to 6 times in the total length. Olive or green 
above, uniform or with small black spots, or some or all of the scales 
with darker or lighter edges ; young with a A-shaped black nuchal 
band; upper lip and lower parts white; belly usually uniform, 
rarely with very small dark spots. 
Total length 650 millim.; tail 120. 
South America east of the Andes. 
3 (V. 144; C. 55). British Guiana. 
b. 2 (V.147; C. 54). Jerbice, Lady Essex [P.]. 
ce. Her. (V. 148; C.55). Vryheids Lust, Deme- Rev. W. Turner [C.]. 
rara. 
