70 



S. ALBIVENTER, Gthv. 



Scales 17. Ventrals 179, subc. 45. Anal bifid. Loreal 

 none. Brown above, white below, subocular spot. 

 Ceylon. 



S. SIGNATUS, Gtlir. 



Scales 17. Ventrals 149-157, subc. 47-59. Anal entire. 

 Brown, with about 15 white cross-bands, the middle of each 

 wide and pointing forwards. 



S. CINEREUS, GtllT. 



Scales 17. Ventrals 165. Anal entire. Labials 8 (4 & 5). 

 Grey above, white below. 

 Cambodia. 



S. swiNHONis, Gthr. 



Scales 17. Ventrals 158-168, subc. 35-39. Anal entire. 

 Keddish olive with indistinct dark reticulated cross-bands 

 white below. 

 China. 



S. T^NiATUS, Gthr. 



Scales 17. Ventrals 150-166, subc. 30-44. Anal entire. 

 Brownish olive, brown vertebral stripe inclosing a light 

 median line ; black spot on root of tail, another on tip ; belly 

 white with square black spots. 

 Siam. 



S. CRUENTATUS, Theobald. Plate XI, fig. 3. The Coral-tail 

 Snake. 



Scales 17. Ventrals about 163, subc. 36. Anal entire 



or bifid. Olive brown ; dark vertebral stripe, sometimes 



enclosing a lighter stripe ; lateral thin stripe ; belly greenish 



yellow with square blue-black spots ; subcaudals coral-red 



with black spot at the root and near the tip. Punctulated 



head-markings, often not unlike a mask. In the young, 



there are the superior tail-marks of the preceding species. 



Common in Burma. 



