24 TYPALOPIDA, 
as long as broad or broader than long, ending in a spine, 24 
scales round the body. Yellowish, with confluent brown spots 
corresponding to the series of scales and forming longitudinal 
lines which are broader than the interspaces. 
Total length 200 millim. 
Andamans. 
ab, Ad. TableId., Andamans. EE. W. Oates, Esq. [P.]. (Types.) 
19. Typhlops siamensis. 
hlops siamensis, Giinth. Rept. Brit. Ind. p. 175, pl. xvi. fig. D 
Typhlop P 
(1864). 
Snout rounded and moderately projecting; nostrils lateral. 
Rostral narrow, its upper portion hardly one third the width of the 
head, extending to the level of the eyes; nasal semidivided, the 
cleft’ strongly curved and proceeding from the second labial; a 
preocular, nearly as large as the ocular; eyes distinct ; upper head- 
scales a little larger than those on the body; four upper labials. 
Diameter of body 33 times in the total length; tail not quite as 
long as broad, ending in a spine. 22 scales round the body. 
Brownish above, yellowish inferiorly. ; 
Total length 166 millim. 
Siam. 
a. Ad. Bias oe M. Mouhot [C.}. (‘Dype.) 
20. Typhlops nigroalbus. 
Typhlops nigroalbus, Dum. § Bibr. vi. p. 295 (1844); Cantor, Cat. 
Mal Rept. p. 51 (1847) ; Jan, Icon. Gén. p. 20, 1. 4, pl. vi. fig. 3 
(1864) ; Giinth. t. Brit. Ind. p. 172, pl. xvi. fig. F (1864). 
Argyrophis bicolor, Gray, Cat. Liz. p. 186 (1845). 
Snout rounded and strongly projecting ; nostrils lateral. Rostral 
narrow, its upper portion about one third the width of the eye, 
extending to between the eyes; nasal nearly completely divided, 
the cleft proceeding from the second labial; a preocular, a little 
broader than the ocular, in contact with the second and third labials; 
eyes distinct; upper head-scales considerably larger than the scales on 
the body; four upper labials. Diameter of body 30 to 33 times in 
the total length; tail broader than long, ending in a spine. 26 
scales round the body. Upper half black, lower yellowish white. 
Total length 360 millim. 
Sumatra and Malay Peninsula. 
- 
a. Ad. Pinang. Dr. Cantor. 
b, Ad. Singapore. Gen. Hardwicke [P.). 
(Type of A. bicolor.) 
ce, Ad. Singapore. 
d-e. Ad. Perak. * G, E. Dobson, Esq. [E.]. 
f Ad, Ee 
