26. PLAGIOPHOLIS. 301 
anterior, separated from each other by two scales. Scales in 17 
rows. Ventrals 206-215; anal divided; subcaudals 68-73. Dull 
olive-green above and below, with four longitudinal series of small 
black spots on the back. 
Total length 540 millim. ; tail 95. 
Southern India. 
a. d (V. 215; 0.73), Manantoddy, Wynad. Col. Beddome [C.]. 
6. 2 (V. 206; C.68). Wynad. ome [C.}. 
2. Rhabdops bicolor. 
Calamaria bicolor, Blyth, Journ. As. Soc. Beng. xxiii. 1854, p. 289. 
Ablabes bicolor, Giinth. Rept. Brit. Ind. p. 226 (1864); yt An, 
Zool, Res. Yunnan, p. 809 (1879). 
Grotea bicolor, Theob. Cat. Rept. As. Soc. Mus, 1868, p. 45. 
Pseudocyclophis bicolor, Bouleng. Faun. Ind., Rept. p. 300 (1890). 
Rostral large, more than twice as broad as deep, just visible from 
above; nasal divided below the nostril; internasal single, as long 
as or a little shorter than the likewise single prefrontal; frontal as 
broad as long, as long as its distance from the end of the snout, two 
thirds the length of the parietals; supraocular very small; loreal 
as long as deep; one preocular; two postoculars; temporals 1+1; 
five upper labials, the upper angle of the third entering the eye, fifth 
very large ; three lower labials in contact with the anterior chin- 
shields, which are not longer than the posterior. Scales in 17 rows. 
Ventrals 199-213; anal divided; subcaudals 58-77. Blackish 
brown above, brownish white inferiorly. 
Total length 600 millim.; tail 130. 
Khasi Hills, Assam, Yunnan. 
a. g (V. 213; 0.77). Khasi Hills. Dr. Griffith. 
b. 2 (V.199; CO. ?). Khasi Hills. T. C. Jerdon, Esq. [P.1. 
26. PLAGIOPHOLIS. 
Maxillary short, extending fowards but slightly beyond the 
palatine, with 16 small equal teeth; mandibular teeth equal. Head 
small, not distinct from neck; eye rather small, with round pupil ; 
no loreal, prwocular in contact with a large semidivided nasal. Body 
short, cylindrical ; scales smooth, without pits, disposed obliquely, 
in 15 rows; ventrals rounded. Tail short; subcaudals partly entire, 
partly in two rows. Hypapophyses developed throughout the ver- 
tebral column. 
Mountains of Burma. 
1. Plagiopholis blakewayi. (Pare XIX. fig. 3.) 
Rostral as broad as deep, visible from above; internasals much 
broader than long, a little shorter than the prefrontals; frontal 
