( xiii ) 



Body with larger tubercles interspersed 



among the granular ones . . . G. Lawderanus. 



Back with 30 rows of larger tubercles ... G. Oldhami. 

 Back with 12 — 14 rows of large keeled tu- 

 bercles separated by granular scales ... G. Kachensis. 

 Back granular, subcaudals not enlarged. 



Three white bars across the body ... G. speciosus. 



Back granular. Subcaudals not enlarged. 



Font dark, white edged, 8-shaped spots 



across body ... G. KoUegalensis. 



Back thickly covered with small trihedral 



tubercles. Subcaudals not enlarged. A 



line of arrow-headed spots down either 



side of spine . . . G. Khasiensis. 



Back granular, with many enlarged scales. 



Colour brown, clouded with dark blotches G. nebulosus. 

 Back profusely studded with small trihedral 



tubercles ... G. triedrus. 



Section h. — Pupil circular. 



Back coarsely granular ... G. Indicus. 



Back finely granular, with a few acute tu- 

 bercles ... G. Kandianua. 



Back finely granular, with a few enlarged 



scales ... G. Sisparensis. 



Back granular. A black blotch on the nape G. planipes. 



Back coarsely granular with some enlarged 

 scales. A vertebral row of a white 

 blotches ... G. gracilis. 



Back finely granular with some enlarged 

 scales. Blackish with brown mottlings,.. G. Wynaadensia, 



Back finely granular, with some enlarged 

 scales. White marks on head and body. . . G. omatus. 



Back coarsely granular with some enlarged 

 scales. Blackish, clouded with greyish 

 ' white ... G. Beddomei. 



