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H. giganteus, Stoliczka. 



General aspect much that of CoctEei. Upper labials 14 to 17, 

 lower labials 11 to 13. First upper labial excluded from the 

 nostril by a semi-circular shield in contact -with the rostral.. 

 Colour olive grey, the back barred with 4 or 5 transverse undulat- 

 ing bands. Femoral p ores 1 8 to 20 on either thigh, separated in the 

 pubic region by an interspace of 7 scales. Length nearly 12 inches. 



Inhabits the Godavery valley near Badr^chalam. 



H. frsenatus, Schl. 



H. suhlwvis, Gray, aptw^Theob, Cat.Rep., As.Soc, Mus. 

 H. punctatus, Jerdon ? juv ? J. A. S., B., 1853, p. 467. 



Back uniformlj'- granular, with some scattered tubercles; 

 usually ranged in ten lines down the back in Bengal specimens. 

 Tail spiny. Colour variable grey, marbled with darker, or grey 

 with irregular stripes and dark marblings, or dark brown with 

 blackish stripes. A pale, dark margined band through the eye 

 to the loins. Thumb very small. Femoral pores 27 to 35 in am 

 uninterrupted line. The median scale sometimes has no pore. 

 Length 5'5 inches. 



Inhabits Northern, Central, and Southern India, The Panjab, 

 Ceylon, Bengal, Birmah, the Andaman and Nikobar islands, and 

 the Malayan Peninsula and islands. 



This species is easily recognised by its small thumb. 



Stoliczka suggests H. punctatus, Jerdon, may be a young 

 female of this species. It was captured at Tellicherry, whence 

 fresh specimens can only decide what punctatus really is. 



H. Mortoni, Theobald. Lin. Soc. Jour., Vol, X. 



Back covered with granular scales, with a scattered tubercle 

 here and there, just perceptibly larger than the rest. Thumb 

 well developed. Colour dark brown, mottled pepper and salt^ 

 with black spots and small white rosettes of 6 white scales each. 

 Tail barred with black above. Length 350 inches. 



Inhabits Pegu, north of Rangoon. 



One immature male taken under a log. 



