le. - 
7 “a a. 
27 COLUBRID®. 
a, & (V. 165; C. 62). Madagascar. (Type.) 
b. 9 (V. 166; C, 59). Madea tanta: ae ‘ 
e. do (V. 170; C. 56). Imerina, Rev. R. Baron [C.]. 
d. Hgr. (V. 162; CO. 54), S.E. Betsileo. Mr. T. Waters [C.)}. 
13. PSEUDOXENODON. 
Xenodon, part., Bore, Isis, 1827, p. 540; Schleg. Phys. Serp. ii. p. 80 
(1837); Giinth. Cat. Col. Sn. p, 53 (1858) ; 4 Arch, Zool. Anat, 
Phys. ii. 1863, p. 316. ‘ 
Xenodon, Wagl. Syst. Amph. p. 171 (1830). . 
Tropidonotus, part., Giinth. Rept. Brit. Ind. p. 258 (1864), 
Pseudoxenodon, Bouleng. Faun. Ind., Rept. p. 340 (1890). 
Maxillary teeth 20 to 28, increasing in size posteriorly, the two 
last abruptly enlarged and separated from the others by an inter- 
space; mandibular teeth subequal. Head distinct from neck, which 
is dilatable ; eye large, with round pupil. Body cylindrical; scales 
on the anterior part of the body disposed obliquely, narrow and 
much imbricate, in 17 or 19 rows; dorsals keeled; no apical pits: 
ventrals rounded. Tail moderate; subcaudals in tworows. Hypa- 
pophyses developed throughout the vertebral column. . 
East Indies and Southern China. 
Synopsis of the Species. 
One preocular; scales in 19 rows ante- 
riorly; ventrals 158-173; subcaudals 
BOG et redo cr cot Mele Rn ae real 1. macrops, p. 270. 
One preocular; scales in 17 rows ante- 
riorly ; ventrals 140; subcaudals 51 . 2. dorsalis, p. 271. 
Two or three preoculars ; scales in 19 rows ; 
ventrals 118-121 ; subcaudals 36-41 .. 3. inornatus, p. 272. 
1. Pseudoxenodon macrops. 
Tropidonotus macrops, Blyth, Journ, As. Soc. Beng. xxiii. 1855, 
p. 296; Giinth. Rept. Brit. Ind. p. 263 (1864) ; Stoliezka, Journ, 
As. Soc. Beng. x\. 1871, p. 480; Theob. Cat. Rept. Brit. Ind, 
p. 174 (1876). ; 
— angusticeps, part., Blyth, l. ec. p. 295; W. L. Selater, Journ, 
As. Soc. Beng. Ix. 1891, p. 240. 
Xenodon macrophthalmus, pert., Giinth, Cat. p. 58 (1858). 
it ge eerroh nena part., Giinth. Rept. Brit. Ind. p, 262, 
. xxii. fig. C. 
: macrophthalmus, Anders. Proc. Zool. Soc. 1871, p. 77. 
sikkimensis, Anders. Journ, As. Soc. Beng. xl. 1871, p. 17. 
Pseudoxenodon macrops, Bouleng. Faun. Ind., Rept. p. 840 (1880), 
Rostral just visible from above; internasals shorter than the 
prefrontals ; frontal once and one fourth to once and one third as — 
long as broad, as long as or slightly shorter than its distance from 
the end of the snout, shorter than the parietals; loreal as long as 
