114 



Head of moderate size and width ; neck and 

 body not elongate. One postocular. Ventrals 

 broad, 310. h. robutta. 



Head of moderate size and width ; neck and 

 body of moderate length. Two postoculars. 

 Ventrals broad, 817; scales with a short keel; 

 terminal scale of the tail very large. ,, hekkeri. 



Head rather small ; neck and body some- 

 what elongate. One postocular ; scales strongly 

 keeled. Ventrals not much larger than the 

 adjoining scales. „ cm-uiescens/ 



Head of moderate size and Avidth ; neck and 

 body somewhat elongate. Two postoculars ; 

 scales strongly keeled, the keel of each scale 

 with two tubercular prominences. ^^ aspera. 



Head of moderate size and width ; neck and 

 body somewhat elongate. One postocular. 

 Back with a series of round black spots, 

 alternating with black cross-bands. ,, spiralis. 



Head of moderate size and width ; neck and 

 body rather elongate. Two postoculars ; scales 

 faintly keeled. Ventrals broad, 320-426 ; ter- 

 minal scale of the tail small or of moderate 



size. ,, cyanocincia. 



Head rather small and short, neck and body 

 elongate. One postocular ; 27 series of scales 

 I'ound the neck. Ventrals twice as large as the 

 adjoining scales. Trunk with 60 broad black 

 rings, nearl}?- suppressing the ground-colour. ,, meiamsoma. 



Head rather small and narrow; neck slender. 

 Two postoculars ; 23 series of scales round the 

 neck. Ventrals not twice as large as the 

 adjoining scales. Trunk with 41 cross-bands, „ sukincta. 



