124 JOURNAL, NATURAL HIST. SOCIETY OF SIAM. Vol I. 
that it would appear to be not uncommon and widely distributed, at 
any rate in Central Siam. This species is known to extend into Burma 
and Indo-China and southwards into the Malay Peninsula. In the 
latter region it is extremely rare ( Boulenger ), whilst in Burma it is 
uncommon ( Wall ). 
4 3! | 
b& OD nD S| 2B \o 
S 2 sls ifm] 5 |e 
3) = fa cr f= 2 
3 Ss o aay eal Re = 
E.5 alc le 
a a 
1. | Koh Si '263|}23| 18 |180}24] 4 infralabials touch anterior chin- 
Chang shields. Tail below thickly 
spotted with black. 
2. | Sriracha 825135! ,, |187]/30] 5. infralabials touch anterior chin- 
shields. 
288/23] ,, |186|23] Tail immaculate below, except for 
the usual bands. 
oe 
4. | Pak Jong | 465/35] ,, {198} 24] Alt. 800 ft. R. side, 8 upper la- 
bials, due to division of 8rd. 
5 infralabials touch anterior 
chin-shields on R. side, 4 on L. 
side. Had eaten an earth 
snake Z'yphlops nigroalbus. 
5 infralabials touch anterior chin- 
shields. Tail thickly spotted 
below. 
to 
Lo 
5. | Kanburi 213).18) o51 461 
6. | Lopburi 285/25! ,, |189| 22] 4 infralabials touch anterior chin- 
shields. 
a 
Nong Kai | 260/25) ,, /173 | 25] 5 infralabials touch anterior chin- 
Ploi shields, 
8. | Paknampo | 220/20] ,, |175|24] R. side 6 upper labials, due to 
fusion of 6 and 7. 5 infralabials 
‘touch anterior chin-shields. 
Nos. 1—5 have the usual series of small black dots down the 
back and do not differ from the recognized description, except that 
they have in addition a very faint, dark, vertebral line. 
Nos. 7—8 constitute a new color variety, similar to the var. wni- 
virgatus of the allied Callophis macclellandi (Macclelland’s Coral Snake). 
