88 COLUBRIDE. 
1. Dendrelaphis tristis. 
Russell, Ind. Serp. i. pl. xxxi. (1796) & ii, pls. xxv. & xxvi. 
(1801). 
Coluber tristis, Daud. Rept. vi. p. 430 (1803). 
Dipsas schokari, part., Kuhl, Beitr. Zool. vergl. Anat. p. 80 (1820), 
Leptophis mancas, Bell, Zool. Jowrn. ii. 1825, p. 208. 
Dendrophis chairecacos, Bote, Isis, 1827, p. 541. 
maniar, Bote, l.c. p. 542. 
boii, Cantor, Proc, Zool. Soc. 1839, p. 53. 
—— pictus, part., Schleg. Phys. Serp. ii. p. 228 (1837) ; Dum. & Bibr. 
vii. p. 197 (1853) ; Giinth. Cat. p. 148 (1858), and Rept. Brit. Ind. 
p- 297 (1864) ; Jan, Icon. Gén. 32, pl. i. figs. 1 & 2 (1869) ; Theobd. 
Cat. Rept. Brit. Ind. p. 190 (1876); Bouleng. Faun. Ind., Rept. 
p. 387 (1890). 
Leptophis pictus, part., Cantor, Cat. Mal. Rept. p. 85 (1847). 
Dendrophis pictus, var. vertebralis, Jan, Elenco, p. 85 (1863). 
pictus, F. Mill. Verh. nat. Ges. Basel, viii. 1878, p. 268. 
helena, Werner, Zool. Anz, 1895, p. 81. 
Eye as long as its distance from the nostril. Rostral about once 
and one third as broad as deep, visible from above ; internasals as long 
as or a little shorter than the prefrontals; 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 slightly 
shorter than the parietals ; loreal elongate; one pre- and two post- 
oculars ; temporals 2+4+2; nine upper labials (rarely eight), fifth 
and sixth (or fourth and fifth) entering the eye; five lower labials 
in contact with the anterior chin-shields, which are much shorter 
than the posterior. Scales in 15 rows. Ventrals 163-192; anal 
divided ; subcaudals 113-140. Olive above, with or without black 
margins to the scales ; scales of outer row, and of middle row on 
anterior part of body, usually yellowish; usually a round yellow 
spot in the middle between the parietals; upper lip yellow, bordered 
by a black streak along the temple; black spots or oblique bars may 
be present on each side of the neck, and one or two black lateral 
lines along the posterior part of the body ; lower parts yellowish or 
greenish. 
Total length 1310 millim.; tail 420. 
Eastern Himalayas, Assam, India, Ceylon. 
a. Her. (V. 192; 0.1833). Darjeeling. T. C. Jerdon, Esq. [P.]. 
bo CV. Bar sC.2). Khasi Hills. Sir J. Hooker [P.]}. 
c-d. Hgr. g (V. 189; C. Khasi Hills (?). Dr. Griffith. 
120) & 9(V. 185;C. ?). 
e. Her. 9 (V.185; 0.127). Sind. Messrs. vy. Schlagintweit 
Or: 
7 WV: 16h), Matheran, Bombay, Dr. Leith [P.]. 
y. & (V. 184; C. 140). India. Dr. P. Russell. 
A. 2 (V. 166;/C. 118). Ceylon. Dr. Kelaart. 
a. 3 (V. 184; C. 132). Ceylon. E. W. H. Holdsworth, 
Esq. [C.]. 
k, l,m. 2 (V. 163, 164; Ceylon. 
C. ?, 121) & yg. (V. 165; 
C. 127). 
