( 108 ) 



C. Emma Gray. 



Three small separate group of spines on each side of the head, 

 one behind the superciliary margin, and two over the tympanum. 

 Dorsal crest well developed on the neck and fore-part of 

 body. A black fold in front of the shoulder. Colour brownish 

 olive with brown bands across the back, inteiTupted by a pale 

 whitish lateral streak. Eyelids with short radiating brown 

 streaks and a brown streak from the eye to the tympanum. Legs 

 and tail indistinctly dark barred. 



Length, body S'OO ; tail 8-00 = H'OO inches. 



Inhabits Pegu and Tenasserim. Ponsi in Yunan, Assam, and 

 probably the Khasi hills. 



C. Maria Gray. P. S. S., 1870, p. 778, PI. xlv, 6 B. 

 0. tricarinatus, Blyth. J. A. S., 1853, p. 650. 

 C. platyceps, Blyth. J. A. S., 1852, p. 354, vide Giinther 

 p. 38 ; 1870, p. 778. 

 Two series of larger scales, more or less spiny over the tym- 

 panum, the upper being continuous with the superciliary ridge. 

 Scales of throat small. Dorsal crest developed on the neck and 

 anterior part of trunk. Gular sack oval. A fold before the 

 shoulder. Colour uniform green. Head of males bright green 

 during the nuptial season. Elbows and keels with a yellowish 

 white (red in life) spot. 



Length, body 4-00 ; tail 12-00 = 1600 inches. 

 Inhabits the Khasi hills and the Himalayas, Dorjiling (Jerdon). 

 The Garo hills (Anderson). 



C. Jerdoni Gunther. P. Z. S., 1870, p. 778, PI. XLY, f. A. 



Enlarged spines close over the tympanum. Scales of the throat 

 large. Nuchal crest lower than in Maria, formed of triangular 

 compressed laminse. Colour green with a red stripe down each 

 side of the back, continued as a line of red spots along the tail, 

 and red elbow patches. This species never attains the size of 

 Maria but runs uniformly smaller. 



Inhabits the Khasi hills. 



