300 COLUBRID. 
a-e. f (V. 118, 115; a 08 ee T. ©. Jerdon, 
oy 125; 0. ee Bitliypea of Ablabes atbboueech 
198, 185 3 C. 82, oy 
* V. 117; ©. 84) Darje T. C. Jerdo: : 
fg 195; C. 28, 28), 8 Beis ait 
(V. ‘119; o: 81). 
5. Trachischium ? rubriventer. 
Cyclophis rubriventer, Jerdon, Proc. As. Soc. Beng. 1870, p. 80; 
Theob. Cat. Rept. Brit. Ind. p. 159 (1876). 
Trachischium ? rubriventer, Bouleng. Faun. Ind., Rept. p. 286 (1890). 
One pree- and two postoculars ; six upper labials, the last three — 
subequal in size; temporals 14+1. Scales in 15 rows. Ventrals ~ 
127-135; subcaudals 33-38. Brown, with a pale lateral band 
from the eye to the tip of the tail; below this, a mottled brown 
and yellowish band ; chin, throat, and anterior part of neck yellow, 
the rest of the lower parts red. 
Total length 200 millim. ; tail 30. 
Khasi Hills. 
25. RHABDOPS. 
Ablabes, part., Giinth. Rept. Brit. Ind. p. 223 (1864). 
Grotea (non Cress. ), Theob. Cat. Rept. As. Soc. Mus., Journ, As. Soe. 
Beng. 1868, 
ieadvspdlophns part., Bouleng. Faun. Ind., Rept. p. 299 (1890). 
Maxillary short, but extending beyond the palatine, with 10 to 
12 small and subequal teeth; mandibular teeth subequal. Head 
small, much depressed, not distinct from neck ; eye very small, with 
vertically subelliptic pupil; nostril in a semidivided nasal. "Body 
much elongate, cylindrical; scales smooth, without apical pits, in 
17 rows; ventrals rounded. ‘Tail rather long ; subcaudals in two 
rows. Hypapophyses developed throughout the vertebral column, 
_ India, Southern China. 
1. Rhabdops olivaceus. (Prare XIX. fig. 2.) 
Ablabes olivaceus, Beddome, Madras Quart. Journ. Med. Sc. 1863 ; 
Giinth. Rept. Brit. Ind. D 227 (1864). 
Pseudocyclophis olivaceus, Bouleng. Fok Ind., Rept. p. 300 (1890). 
Rostral large, twice as broad as deep, visible from above; nasal 
divided below the nostril; suture between the internasals shorter 
than that between the prefrontals; frontal only a little if at all 
longer than broad, three or four times as broad as the supraocular, 
much longer than its distance from the end of the snout and a little 
shorter than the parietals; loreal longer than deep; two pre-and 
two postoculars; temporals 1+1; five upper labials, third entering 
the eye, fifth very large; four lower labials in contact with the 
anterior chin-shields ; posterior chin-shields nearly as long as the 
