10, TROPIDONoTUS. 215 
broadly truncated anteriorly, shorter than the prefrontals; frontal 
longer than its distance from the end of the snout, shorter than the 
parietals ; loreal nearly square; one or two pre-and two or three 
postoculars ; temporals 2+ 2; nine upper labials, fourth and fifth 
entering the eye; five lower labials in contact with the anterior 
chin-shields, which are shorter than the posterior. Scales in 19 
rows, strongly keeled, outer row also keeled but not so strongly as 
the rest. Ventrals 142-144; anal entire; subcaudals 75-77. 
Dark brown above, with a narrow light longitudinal line on each 
side, and a broader stripe, two scales wide, below it; head dark 
brown above, the upper and lower labials and rostral yellow, edged 
and blotched with brown ; ventrals very dark brown, each tipped 
laterally with light yellow; an indistinct yellow line along the 
middle of the ventral shields, rather more conspicuous posteriorly. 
Total length 500 millim. ; tail 125. 
Sibsagar, Assam. 
11. Tropidonotus picturatus. 
Tropidonotus picturatus, —_— Phys. Serp. ii. p. 314, pl. xii. 
fics, 8&9 (1837) ; Dum. § Bibr. vii. p. 603 (1854) ; Giinth. Cat. 
. 71 (1858); Jan, Arch. Zool. Anat. Phys. iti. 1865, p. 228, and 
con. Gén. 27, pls. iii. figs. 3 & 4, and iv. (1868) ; Krefft, Snakes of 
Austral. p. 20, pl. v. tig. 8 (1869); Doria, Ann, Mus. Genova, 
vi. 1874, p. 348; Peters § Doria, Ann. Mus. Genova, xiii. 1878, 
388. 
p. 388. 
—— australis, Gray, Zool. Misc. p. 54 (1842). 
semicinctus, Dum. §& Bibr. t. ec. P. 603. ; 
hy eg plumbea, Macleay, Proc. Linn. Soc. N. S. W. ii. 1877, 
? Tropidonotus angusticeps, Macleay, Proc. Linn. Soc. N. S. W. viii. 
1 p- 433. 
Tropidonotus ater, Macleay, op. cit. x. 1835, p. 67. 
Eye moderate. Rostral broader than deep, just visible from 
above ; internasals as long as broad or longer, broadly truncate in 
front, as long as or a little shorter than the prefrontals; frontal 
once and a half to once and tbree fourths as long as broad, longer 
than its distance from the end of the snout, a little shorter than the 
parietals; loreal as long as deep or deeper; one or two prw- and 
three (rarely two) postoculars; temporals 1+1 or 1+2 (rarely 
2+2); eight upper labials, third, fourth, and fifth (rarely third and 
fourth or 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 (rarely 17) rows, strongly keeled, 
of outer row smooth or more or less distinctly keeled. Ventrals 
128-165; anal divided; subcaudals 52-82. Coloration very 
variable. 
Total length 740 millim. ; tail 180. 
Moluceas, Papuasia, North Australia, 
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