SAUPJA. 807 



from the eye to the tympanum. The canthus rostralis and superciliary ridge are 

 not well defined. Scales of the hody of moderate size, imbricate, keeled ; those on 

 the side of the hack directed upwards and backwards, and those below downwards 

 and backwards. A few large keeled scales scattered over the sides. A fold of 

 almost granular scales over the shoulder. Scales of the neck keeled. About seven 

 longitudinal rows of large smooth scales at the angle of the lower jaw, diminishing 

 in number as they approach the chin. Scales on the tail nearly as broad as long. 

 Base of tail compressed, but thick and somewhat rounded. Scales of chest and belly 

 of moderate size and strongly keeled. Mfty transverse rows from limb to limb, and 

 from sixty to sixty-four irregular rows round the body. The fore leg extends to the 

 tip of the snout, the hind one to the angle of the jaw. A slight fold above and in 

 front of the shoulder. General colour, olive on the upper surface of the body, irre- 

 gularly variegated with brown and yellow, these colours having a tendency to arrange 

 themselves in cross bands. The lighter spots mark the enlarged scales. The scales 

 of the head are irregularly coloured brown and yellow. The slightly enlarged base 

 of the tail is yellow ; the rest, uniform olive- green. Under surface olive- green. A 

 broad black band from the posterior margin of the eye to the tympanum ; two 

 narrow black bands below the eye ; also one in front and three above. The sutures 

 of the labials are black. The nuchal crest is composed of six to eight triangular 

 spines, disappearing a short way behind the shoulder. The third and fourth toes 

 are of nearly equal length. 



O. minor which is the species most closely allied to O. discolor, has a prominent 

 spine on the posterior end of the superciliary eminence and another above the ear, 

 and still another behind these two. It is a short-bodied stout lizard with a short 

 head and prominent eyes. Its dorsal crest is low, and consists of enlarged spinous 

 scales. The enlarged scales on the side are variable in number, but the ordinary 

 scales which clothe the sides and back have the arrangement and general character 

 of the scales of Calotes, whereas in Oriotiaris the scales generally have the character 

 which they present in Japalura, from which it differs in its naked tympanum. 



O. discolor is a very much larger lizard than O. minor, from which it is dis- 

 tinguished by the entire absence of spines behind the eye and even the ear, and by 

 its much less strongly keeled scales. 



The only character in which this species differs from the definition of the 

 genus Oriocalotes, as drawn up by Gunther from the characters of one species, is 

 the absence of the superciliary spine. The latter structure, however, is so little 

 developed in O. minor, that its absence in another hzard, presenting all the other 

 essential characters of the genus, is in no way remarkable. It may be, however, that 

 further research will tend to unite Oriocalotes to Calotes, and Oriotiaris to Japalura. 



O. minor has hitherto been found only in the Khasia Hills, and this species 

 would appear to represent it in the high region on the opposite side of the Irawady 

 valley. 



