224 DR. MALCOLM SMITH ON 
tytmpanuin nearly as large as the eye opening ; 30 to 32 scales round 
the middle of the body, nuchals often bi- tri- or multicarinate, dorsals 
strongly keeled, not mucronate ; laterals keeled, a little smaller than the 
dorsals, directed straight backwards ; gular scales smooth or feebly keeled, 
ventrals smooth ; a pair of large praeanals ; caudal scales keeled except 
the median lower series ; the hind limb reaches the wrist, or not quite 
sv far; subdigital lamellae smooth, 17 or 18 beneath the fourth toe. 
Brownish or blackish above, with light brown, black-edged cross 
bars or alternating spots, the first on the nape ; sides of body and tail 
with small white spots; below yellowish-white, the belly uniform, the 
throat more or less spotted with black, the tail thickly spotted or 
almost entirely black ; head blackish, labials with white spots. 
Type. (Gravid female, Jauthor’s number, 3254, (collected ) at 
Tasan, 32 kilometres W. of Chumporn town, Peninsular Siam, (in 
Mareh)1919. | 
Number of specimens examined, 33, all from the same locality ; 
author’s numbers 3247 to 3279 inclusive. 
Variation. The posterior loreal shield in one specimen is 
divided vertically into two. 
Measurements. No. 5250 No. 3254 No. 3267 
Total length 155 165 155 
Tail 77 90 95 
Length of head i) 15 10 
Width of head 9) 8.5 8.5 
Fore limb Is 16 15 
Hind limb 25 25 23 
' Several gravid females were obtained, containing from four to tive 
embryos, in a fairly advanced stage of development. 
TROPIDOPHORUS YUNNANENSIS Bler. 
Annandale has recently proposed (Rec. Ind. Mus., viii, p. 58, 
1912), that this species should be united with 7. berdmorii Blyth, 
from ‘Tenasserim, basing his opinion on the taet that the keeling of the 
scales, and the number of scale rows round the body, is inconstants 
With a large series of specimens from the hills of Northern Siam betore 
me, however, there seems good reason to maintain them as orginally 
separated by Boulenger. 
JOURN. NAT. HIST. SOC, SIAM, 
