THE LIZARDS OF THE GENUS TROPIDOPHORUS IN SIAM. 227 
brownish white, throat paler; lips black with whitish spots; tail above 
as the back, below mottled white and dark brown. 
Allied to 7. cochinchinensis Dum. & Bib., and 7. grayi Giinth. 
Type. Anuthor’s number, 3105, collected at Pa Meang, Me 
Wang, North Siam, in Oct. 1917, at about 2000 feet elevation. 
Two more specimens are from the same locality. They differ 
from the type in the foilowing particulars, 
No. 3106. Anterior part of frontiul broken into four or five 
pieces, parietals in contact behind the interparietal, 6 supraciliaries : 
36 scales round the body ; the adpressed limbs just fail to meet. 
No. 3215. Immature. Gular scales strongly, ventrals feebly, 
keeled ; the hind limb reaches the wrist. 
Dimensions. No. 3105 No. 3106 No. 3215 
Total length 180 132 96 
Tail 95 60 54 
Length of head 16 14 
Widtlr of head 12 10 
Fore limb 18 16 
Hind limb 25 24 
TROPIDOPHORUS COCHINCHINENSIS Dum. & Bib. 
Tropidophorus microlepis, Giinther, Rept. Brit. Ind. p, 76. Pl. x fig, A. 
Giinther’s type of 7’. microlepis (a single specimen) is from 
Chantaboon (Chartaboum), and no doubt it came from the neighbour- 
ing hill of Khao Sebab, where Mouhot tells us he made considerabls 
collections.! 
I have 12 specimens obtained upon this hill, and 7 more which 
were born in captivity. 
Variation. The praefrontals form a good suture in 17 examples, 
and have a small shield separating them in 2. There are two super- 
1 ** Travels in the Central Parts of Indo-China (Siam). Cambodia, and 
Laos” By Henri Mouhout, The term Cambcja appears to have been used 
somewhat loosely in the past, and it seems probable that many of Mouhot’s 
specimens labelled with that name really came from Siam. His maps shew 
that he travelled extensively in Siam and Laos, and only very little in Indo- 
China. 
VOI. TL. NO. Tit, Von9. 
