Two small groups of spines, separated from each other, on each side of the neck. A fold in front of the shoulder. Tail compressed into a sharpish edge at its base, covered superiorly with very large pentagonal scales. Scales on the sides of the body nearly as large as those on the belly. Tail below with four longitudinal series of rhomboid, strongly keeled scales, each terminating in a point posteriorly. Brownish, uniform or spotted with black.
The exact locality whence this species has been obtained is not known, nor has the species ever been identified by more recent observers. Jerdon enumerates a ''C. rouxii'' in his list of the Reptiles of Southern India (Journ. As. Soc. Beng. xxii. p. 471); having seen a rough figure of this species in the collection of drawings in the possession of W. Elliott, Esq., I have come to the conclusion that this must be an undescribed species, having a pair of isolated spines immediately behind the orbit and a black fold of the skin before each shoulder. The male is represented as uniform blackish brown, with yellow head and neck; the female brown, with irregular dark cross bands. I propose for this species the name of ''C. elliotti''.
Mr. Blyth also has a ''C. rouxi'' from Birma and Ceylon; but this determination is as incorrect as that by Mr. Jerdon, the lizard in question having a row of three or four spines above the tympanum (see ''C. nigrilabris'').