86 



subc. 138-147. (I have seen subcaudals 57 only). Slender 

 neck, narrow head ; eye large ; loreals 2, rarely 3 ; colour 

 uniform brown olive; no black margins to head-shields, 

 slightly to the caudal scales. Grows to 6-7 feet. My largest 

 specimen was 6 feet 9 inches, (tail 2 feet.) 

 Common in Burma, rare in India. 



XENELAPHIS, Giinther. 

 Body elongate, not compressed ; tail long ; head distinct, 

 rather short. Head-shields regular, 2 preoculars. Scales 

 17, smooth, the vertebrals large, six-sided. Anal bifid. Teeth 

 numerous, sub-equal. 



X. HEXAHONOTUS, Cantor. 



Ventrals 191-197, subc. 148-179. Loreal long, wedged 

 between the preoculars. Labials 8 (4). Brown with anterior 

 faint black cross-bands ; belly yellowish. 

 Burma, Straits. 



ZAMENIS, Wagler. 



Body and tail elongate ; head distinct, flat ; eye moderate. 

 Hea4-shields have a tendency to divide, the temporals 

 to be small and scale-like ; the gular scales are numerous. 

 There are 2 preoculars, 2 postoculars, suboculars often 

 present. Scales smooth or slightly keeled. Ventrals 200 

 or more, anal generally bifid. Teeth numerous, the last 

 generally largest, and separated by an interval. 



Z. DiADEMA, Schlegel. 



Scales 29, keeled. Ventrals 237, subc. 110, anal entire. Four 

 small shields transversely intercalated between the vertical 

 and the frontals ; 3 or 4 loreals ; labials 14 ; orbital ring 

 completed by 4 or 5 suboculars. Yellowish olive, with verte- 

 bral line of round brown spots, and a lateral brown stripe. 

 Brown fillets, and head-spots. 

 Sindh. 



