11 



b) Red, gray or brown snake with the body scales edged in 

 black, forming thin crossbars; enlarged jowls producing 

 a triangular-shaped head; large eyes with vertical 

 pupils; body scales form an oblique pattern; enlarged 

 vertebral scales Boiga pchragga 



16. a) Distinct stripes present on all or part of upper body 



17 



b) No distinct stripes on upper body; may be uniform 

 (without pattern) or with spots or blotches 2 3 



17. a) A single, light or black middorsal stripe on at least the 



anterior body 18 



b) Two to five distinct black or brownish stripes on body 

 19 



18. a) Single black middorsal stripe down the back; there may be 



a series of crossbars restricted to the sides; top of 

 head black with a broad white crossband . . . Calliophis 

 macclellandii 



b) Single light middorsal stripe on at least the anterior 

 body 2 



19. a) Upper body and head dark brown; venter yellowish, with 



coloration extending onto sides of body for 1.5 scale 

 rows; yellowish to cream upper lip; body slender; pupil 

 round Dendroelaphis tristis 



b) Body olive brown to black; venter whitish; sides of body 

 spotted in yellowish-white; yellow stripe on top of head 

 starting at the snout passing above the eye to the back 

 of the mouth, this outlines a black spearpoint pattern; 

 lips yellow; pupil vertical . . . Elachistodon westermanni 



