10. TRoPrDONoTUS. 249 
faintly or feebly keeled. 177-235 ventrals; anal divided; sub- 
caudals 75-107. Olive-brown above, with small black spots; 
frequently two black parallel lines or an elliptic marking on the 
nape; a light, black-edged streak on each side of the head, or a 
black line from eye to gape; belly yellowish, with or without 
blackish dots; frequently a black line or series of elongate blackish 
spots along each side of the belly ; lower surface of tail frequently 
mottled with blackish; throat sometimes black. 
Total length 900 millim.; tail 230. 
Himalayas and Khasi Hills. 
a-d. 3 (V. 232; C.92) Cashmere, 10,000 feet. T. C. Jerdon, Esq. [C.}. 
& 9 (V.217,212,204; 
FeV’ 906, 208 Nepal B. H. Hodgson, Esq 
et. o ; epal. ' 
%, 102, 100). i. 
g- & (V. 206; C.90). Sikkim. Messrs. a Se 
tweit[C.). (Typeo 
H. a 
Ai. 3 (V. 214, 177; Sikkim. Messrs. v. Schlagin- 
C. 86, 92). tweit [C.]. 
k-l. 3 (V. 202; 0.95) Sikkim. Sir J. Hooker [P.]. 
& 2(V. 184; C. 98). 
m-n. 3 (V. 196, 193; Darjeeling. T. C. Jerdon, Esq. [P.]. 
C. 107, ?) 
53. Tropidonotus tigrinus. 
Tropidonotus tigrinus, Bote, Isis, 1826, p. 205; Schleg. Phys. 
ii. p. 315 (1837), and Faun. Japon., Rept. p. 85, iv. (1838); 
Giinth. Cat. p. 71 (1858), and Rept. Brit. Ind. p. 271 (1864); 
Strauch, Schl. Russ. R. p. 176 (1873). 
Amphiesma 4 Saag Dum. § Bibr. vii. p. 732 (1854) ; Jan, Arch. 
: = hys. iii. 1865, p. 233, and Icon. Gén, 29, pl. 1. fig. 2 
(1868 
Tropidonotus lateralis, Berthold, Gotting. Nachr. 1859, p. 180; Jan, 
U. ec. p. 220, Icon. 25, pl. v. fig. 1 (1867). 
—— orientalis, Giinth. ae A cig “ig P, ¥~2 oe = 
§ Mag. N. H. (3) ix. , p- pl. ix. fig. 3; oy. 
Preewalshi, Rept. p. 48 (1876). : . 
Eye large. Rostral broader than deep, just visible from above ; 
internasals as long as broad, as long as or a little longer than the 
prefrontals ; frontal once and one third to once and a half as long 
as broad, as long as its distance from the end of the snout, shorter 
than the parietals ; loreal as long as deep or deeper; two pre- and 
three or four postoculars; temporals 1+2 (rarely 242); seven 
upper labials, third and fourth entering the eye; four or five lower 
labials in contact with the anterior chin-shields, which are shorter 
than the posterior. Scales strongly keeled, of outer row smooth or 
keeled, in 19 rows. Ventrals 147-166; anal divided; subcaudals 
55-84. Olive above, with more or less distinct black cross bands 
or large alternating spots; a series of light spots may be present on 
each side of the back ; a series of black and red spots on each side 
of the neck; upper lip yellowish, the sutures. between the shields 
