142 COLUBRID. 
18. Liophis melanostigma. 
Natrix melanostigma, Wagl. in Spiv, Serp. Bras. p. 17, pl. iv. fig. 2 
(1824). 
Dromicus pleii (nun D. § B.), Giinth. Cat. p. 128 (1858). 
melanostigma, Jan, Icon. Gén. 24, pl. v. fig. 8 (1867) ; Borleng. 
Ann. § Mag. N. H. (5) xviii. 1886, p. 4383. 
Liophis reginz, part., Steind. Sitzhb. Ak. Wien, lv. 1867, p. 268. 
Aporophis cyanopleurus, Cope, Proc. Am. Philos. Soc. xxii, 1¢95, 
p: 191. 
Eye large; snout moderate. Rostral broader than deep, just 
visible from above; internasals a little broader than long, shorter 
than the prefrontals ; frontal about once and two thirds as long as 
broad, as long as its distance from the end of the snout or a little 
longer, as long as the parietals; loreal a little deeper than long ; 
one pre- and two postoculars; temporals 1+2; eight (rarely nine) 
upper labials, third, fourth, and fifth (or fourth, fifth, and sixth) 
entering the eye; four or five lower labials in contact with the 
anterior chin-shields, which are much shorter than the posterior. 
Scales in 17 rows. Ventrals 150-160; anal divided; subecaudals 
90-107. Tail about one third of the total length. Olive above ; 
nape with two more or less distinct yellowish longitudinal bands ; 
a lateral series of light and black dots on the fourth row of scales ; 
sides and ends of ventrals plumbeous grey; upper lip yellowish, 
edged with black above; ventrals yellowish, edged with grey or 
black, and with a black dot or short streak on each side. 
Total length 770 millim.; tail 250. 
Brazil. 
a. & (V.160; C.107). Rio Janeiro. A, Fry, Esq. [P.]. 
b. S (V. 153; C. 100). Rio Janeiro. Dr. Cunningham [P.}. 
c. 2 (V. 152; C. 98). Rio Grande do Sul. Dr. H. v. Ihering [€.]. 
Leiria cbefohes 
19. Liophis callilemus. (Pxare VI. fig. 3.) 
Natrix callilema, Gosse, Nat. Soj. Jamaica, p. 384 (1851). 
Dromicus callilema, Giinth. Cat. p. 151 (1858), and Ann. & Mag. 
N. H. (3) xii. 1868, p. 357. 
? Alsophis funereus, Cope, Proc. Ac. Philad. 1862, p. 77. 
Eye moderate; snout slightly prominent. Rostral broader than 
deep, scarcely visible from .above ; internasals as long as broad or a 
little broader, shorter than the preefrontals; frontal a little longer 
than broad, nearly twice as broad as the supraocular, as long as its 
distance from the end of the snout, shorter than the parietals ; 
loreal small, square; one pre-and two postoculars ; temporals 1 + 2 ; 
seven upper labials, third and fourth enterin» the eye ; four lower 
labials in contact with the anterior chin-shields, which are as long as 
or a little shorter than the posterior. Scales in 19 rows. Ventrals 
130-134; anal divided; subcaudals 70-110. Length of tail 23 
to 3} times in the total’length. Brown above, with darker dots ; 
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