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are alternately short and long, giving the appearance of a chain 

 of supra-abdominal spots. Tail black ringed, or sometimes with- 

 out rings, and belly only spotted. Sometimes the vertebral line 

 is absent and the body encircled with black rings. 



Grows to about 30 inches. 



Inhabits Nipal, Sykkim and Assam. 



Xenueelaps, Gunther. 



Body sub-cylindrical, long and slender. Head short, sub-tri- 

 ancfular with rounded snout, not distinct from the neck. Tail 

 short. Eye small with round pupil. Nostril between two 

 nasals. One prseocular. Two postoculars. Scales smooth in 15 

 rows. Vertebrals enlarged. Subcaudals bifid. Anal entire. 



X. bungaroides. Cantor. 



7 upper labials, the third and fourth entering the orbit. Colour 

 above black, with narrow white angular transverse lines directed 

 forwards, and more distinct in front than behind; 48 on the 

 body. Lower part of rostral white. A white line across the 

 snout before the eyes. Two interrupted divergent white lines from 

 the vertical descending to the neck, another band from behind 

 to the fifth and sixth labial. Type : 15'8 inches. (Tail 1'8.) 



Inhabits the Khasi Hills. 



BuNGARUS, Daudin. 



Body elongate. Tail rather short. Head depressed with 

 rounded muzzle, hardly distinct from the neck. Nostril between 

 two nasals. One prseocular. Two postoculars. Scales smooth, 

 obliquely disposed in 13 to 15 rows, those of the vertebral row 

 enlarged and hexagonal. Eye small with round pupil. 



B, cseruleus, Schn. 



Boa krait, Williams. As. Res. 

 Boa lineata, Shaw. 

 B. lividus and candidus, Cantor, 

 B. arcuatus, D. et B. 

 Scales in 15 rows. Colour above deep lustrous blue-black, 



