( 100 ) 



than those on the sides, which are equal, and ranged in regular 

 oblique series. Snout surmounted by a fleshy compressed sub- 

 ovate appendage, covered by small transverse scales. Gular 

 sack none. Colour green, irregularly marked with brownish. In 

 the young, a brown band between the eyes, and from eye to gape. 

 A light band down each side of the spine enclosing a line of 

 vertebral brown spots. 



Length, body 3-50 ; tail 700=10-50 inches. 



Inhabits the mountainous parts of Ceylon. 



L. asper, Giinther. 



Ceratophora asper, Giinther. 



Throat Tvith small strongly keeled scales. No nuchal crest. 

 Scales on the back and sides very small with numerous scattered 

 larger keeled scales. Snout surmounted by a projecting, cylin- 

 drical slender appendage, covered with small imbricate strongly 

 keeled scales. Gular sack none. Colour brownish, darker marbled. 

 A rhombic spot on the sacral region. In females the nasal 

 appendage is rudimentary. Fore limbs of males with white 

 edged brown spots. Length 3 inches of which the tail is half. 



Inhabits the mountainous parts of Ceylon. 



CoPHOTis, Peters. 



Back and sides covered with very large imbricate sub-equal 

 scales, some of them keeled. A nuchal and dorsal crest. A, 

 small gular sack in both sexes. In males a very small tubercle 

 behind the rostral shield. 



C. Ceylanica, Peters. 

 Longitudinal series of quadrangular scales on either side of 

 the gular sack. Nuchal crest composed of three triangular scales, 

 separated from the dorsal crest of twelve similar distant scales. 

 Hind leg extends io ihe shoulder. Colour fawn colored with irre- 

 gular broad brown cross bands. Tail nearly white with brown 

 rings. A white spot in front of the nuchal crest, and a white 

 band from the gape to shoulder, more distinct in the male. Jaw 

 with a broad brown margin. Throat white with, one or two 



