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labial not very large, pointed behind. First pair of chin shields 

 larsfe and forminoj a suture behind it. 



Pupil erect J shaped. Total length 2| inches. 



Golcondah hills near Vizagapatam, under stones at 2,000, 

 S,500 feet elevation, rare." 



G. triedrus, Giinther. 



Back granular studded all over with small trihedral tubercles. 

 Colour uniform brown. Tail with four indistinct rings of whitish 

 spots. Length of type specimen 4 inches. 



Inhabits Ceylon. 



H. subtricdrus, Jerdon. J A. S., 1853, p. 467. 

 Rostral large, grooved above, followed by two minute supra- 

 nasals, separated by a minute shield or by granular scales. 

 7 upper labials reaching to below the eye followed by one 

 or two small scales. Mental very large followed by two pairs 

 of chin shields and a small scale on each side. Back covered by 

 18-20 rows of triangular tubercles, the interspaces being minutely 

 granular. The tubercles as large as the sixth upper labial. 

 Head srranular with larger tubercles scattered about. A line of 

 white spots from the gape, meets a second from the eye, behind 

 the tympanum. Colour darkish grey, with some 5-6 dark bands 

 across the back, spotted with opaque white tubercles. 8 femoral 

 pores in each thigh separated by 1 to 3 scales in the pubic 

 region. 



Grows to 6*50 inches. 

 Inhabits Southern India. 



This species is probably distinct though closely allied to H. 

 triedrus. In a specimen before me the femoral pores are 

 separated by only one scale, so as to be nearly continuous. 



* * 



Pupils circular. 



G. Indicus, Gray. 

 Head and body coarsely granular without tubercles. Tail 

 without enlarged sub-caudals. Colour brownish or greenish 

 mottled ; a row of orange dark edged spots during life along the 



