316 COLUBRID. 
Snout prominent, subcuneiform, Rostral broader than deep, the 
portion visible from above at least half as long as its distance from 
the frontal; internasals shorter than the prefrontals; frontal a 
little longer than broad, as long as its distance from the end of the 
snout, a little shorter than the parietals; loreal longer than deep ; 
one pre- and two postoculars; temporals 1+2, the anterior in 
contact with the lower postocular only ; eight upper labials, fourth 
and fifth entering the eye; four lower ‘labials in contact with the 
anterior chin-shields, which are as long as the posterior. Scales 
in 21 rows. Ventrals 142; anal divided; subcaudals 45-47, 
Brown above; a broad margin round the upper jaw yellowish, 
both colours being divided by a sharply-defined line; five blackish 
lines along the body; a few brown spots on the labials; lower 
parts uniform yellowish. 
Total length 490 millim.; tail 85. 
Madagascar. 
a-b. 3 (V. 142; C.47) & 9 Betsileo. Mr. T. Waters [C.]}. 
(V. 142; ©. 45), (Types.) 
4. Pseudoxyrhopus imerina. 
Coronella microps, Bouleng. Ann. §& Mag. N. H (6) i. 1888, p. 104, 
pl. v. fig. 4. ) 
Liophis imerinee, Giinth. Ann. § Mag. N. H. (6) v. 1890, p. 71. 
peerarey ope? imerine, Bouleng. Ann. § Mag. N. H. (6) vi. 1890, 
Pp: ole, Ug. 
Rostral broader than deep, the portion visible from above about 
half as long as its distance from the frontal; suture between the 
internasals a little shorter than that between the prefrontals ; 
frontal about once and a half as long as broad, longer than its dis- 
tance from the end of the snout, shorter than the parictals; loreal a 
little longer than deep; one pre- and two (rarely three) post- 
oculars; temporals 1+ 2, the anterior in contact with the lower 
postocular only, rarely 243; eight upper labials, fourth and fifth, 
or third, fourth, and fifth, entering the eye; four lower labials 
in contact with the anterior chin-shields, which are as long as the 
posterior. Scales in 19 rows. Ventrals 137-148; anal divided ; 
subcaudals 40-47. Young pale brown above, with six or eight 
dark brown longitudinal lines, the median pair bordering a band 
of darker brown than the ground-colour; upper surface of head 
with dark brown variegations; a dark brown streak on each side 
of the head, passing through the eye, bordered below by a white 
streak ; upper lip dark brown ; throat brown, with white markings ; 
belly pale brown, each shield with a darker anterior margin. 
Adult with the dorsal markings more or less distinct, and the belly 
nearly black. 
Total length 460 millim. 
Madagascar. 
rey 
