35 



the hind margin. The last ventral is divided 

 like the anal. 



Colouring. — Head : black with yellow punctulated cross- 

 bands. 

 Body : black, with a flowered pattern formed by 

 bright yellow dots on each scale, or with 

 yellow punctulated cross-bars. 



Habitat. — India and Burma. 



THE COMMON BROWN TREE SNAKE {Dipsadomorphus 

 gokool or trigonatus).* 



Length— Groves to three or even four feet ; tail one-sixth. 

 Shape — Head : broad, short and very distinct. 



Body : compressed, elongate and slender, thickest 



in the middle. 

 Tail : very tapering, coming to a fine point. 

 Eye : moderate, pupil vertical, iris golden. 

 Head shields — Regular. 

 Scales— 21, smooth, imbricate. The vertebral series are 



slightly enlarged. 

 Ventrals — 211 to 269; anal entire. Sub-caudals 78 — 102, 



double. 

 Colouring — Yellowish or greyish brown or greyish olive. 

 It has dark cross-bars. Or, a series of irre- 

 gular buff, black-edged vertebral spots, from 

 the sides of each of which drops a black 

 fasciolated Y mark. 

 Belly : white or yellowish with lateral brown or 



black dots. 

 The head has more or less distinct brown or 

 yellow markings. 

 Habitat.-^Common in India. 



* Dipiat (MicboUon). 



