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Inhabits Northern, Central and Southern India, Ceylon ; 

 Bengal, Assam, Arakan, Bhamo, Birmah, and Tenasserim. 



C. gigas Blyth. 



C. ophiomacJius Mer apud Blyth. J, A. S., 1842, p. 870. 

 Resembles versicolor, but is larger, has no gular sack but a 

 double nuchal crest of spine — like scales half an inch long. 

 Dorsal crest also more developed than in versicolor. Colour 

 apparently uniform, but specimen bleeched and locality un- 

 recorded. 



C. viridis, Gray. An. & Mag., N. H., 1846, Vol. XVIII, p. 429. 



" Nape with two isolated spines above the ears. Neck with- 

 out any pit in front of the shoulder, but with dark spots at the 

 hinder part of the lower jaw. Eyebrows not horned. Green. 

 Scales large; at base of tail larger; of limbs and underside of the 

 body smaller ; of crown, smallest. Nape and shoulders with a 

 compressed crest. Hinder part of back and tail with an obscure 

 keel. 



Hab. Madras. 



Like C. versicolor, but uniformly coloured, the back less crest- 

 ed and the scales smaller." 



Giinther unites this species with versicolor, but erroneously I 

 believe. Certainly versicolor is never seen green, in any part of 

 India with which I am familiar. 



Bkachysaura, Blyth. 



Like Calotes, but with enormous head, stout body and tail not 

 longer than body. Toes short and strong. Direction of scales 

 less oblique than in Calotes, but not so straight as is Salea. 



B. ornata Blyth. J. A. S., 1856, p. 448. 

 A slight nuchal crest and dorsal ridge of high-keeled scales. 

 Two tufts of sincipital spines one contiguous to the tympanum 

 and each comprising one principal spine. A fold before the shoul- 

 der. Colour olive with a row of large round dark spots, bordered 

 with white, along the back and anterior half of tail ; continued 



