NO. 39. — 1889.] ZOOLOGICAL TABLES. 



217 



Section J£ m 



Belly with three punctated streaks, tail with two. 



22 Oligodon sublineatus. 

 Brownish olive. Brown, spots below eye , nuchal blotches, 

 numerous pairs of slightly alternating, transverse, light- 

 edged spots on back. 



Section F. 



Belly with blackish anterior margins to ventrals. 



31 Tropidonotus asperrimus. 



The most variable snake in Ceylon, but has almost always 

 two oblique streaks behind eye ; when these are absent the 

 beginner will probably be puzzled to identify his specimens. 



a. — Grayish or brownish olive. Black, square spots arran- 

 ged quincuncially in 3, 5, 6, or 7 series ; two oblique streaks 

 behind eye. Scarlet, a lateral series of spots during life only. 



h. — The spots are dissolved into a network of black lines 

 intermixed with white dots. 



c. — Broad rhombic or brownish bands with darker edges. 



d. — Almost uniform ; a few scales have a black or white 

 dot at the base. 



Section Q. 



Belly white or yellow, more or less marked with brown. 



57 VlPERA RUSSELLII. 

 Belly yellow, more or less marked with brown semi- 

 circular spots on hind margins of ventrals. Grayish brown. 

 Black, three longitudinal series of rings : the middle ovate, the 

 outer circular, edge of ocular spots. Brown, margins of 

 rostrals, lateral shields, prae-ocular spots. Yellow, a line on 

 each side of upper surface of head, two convergent lines on 

 snout, rostral, and labial shields. 



58 ECHIS CARINATA. 

 Belly whitish, with more or less numerous round brown 

 specks. Brown or brownish gray. Blackish brown, edges of 

 dorsal spots. Brown, a pair of oblong spots each side of 

 head, converging anteriorly ; prae-ocular spot ; post-ocular 



F 2 



