120 



Dorsal scales rather large, feebly keeled, 48 — 50 across the 

 middle of the body; lateral scales rhomboidal, unequal, smooth, 

 larger than the dorsals and strongly keeled ventrals. Tail 

 compressed, covered with keeled scales, two thirds of the 

 total length. Limbs rather short, covered with equal, keeled, 

 scales; digits doubly keeled inferiorly, fourth finger longer 

 than third, fourth toe much longer than third; hind Hmb, 

 stretched forwards, reaches the tympanum. 



Grey above, with bluish-grey and brown spots and dark 

 transverse lines; on the flanks 5 or 6 white scales in a longi- 

 tudinal series. Sides of head white with black spots ; limbs 

 and tail with black half-rings above, white with black network 

 below. Lower parts white. Length of head and body 65 mm.; 

 tail 138 mm. (After Boettger, not seen by me). 



Habitat: Java (Volcano Tjisurupan.). 



10. Calotes Cuvier. 



(CuviER, Regne Anim. II p. 55, 181 7). 



Body compressed, covered with equal scales. Tympanum 

 distinct. Male with a small gular sac, no transverse gular fold 

 or a feeble one. A dorso-nuchal crest. Tail feebly compressed. 

 No femoral or praeanal pores. 



Some species of this genus can change their colour like 

 chameleons. The eggs are long, spindle-shaped or oval. 



Distribution. India; Indo-AustraHan Archipelago; Philippines. 



Key to the Indo-Australian species. 



I. Lateral scales pointing downwards. 



a. Ventral scales larger than latero-dorsals. 



1. Upper dorsal scales pointing upwards. 



•j-. Tympanum at least half the diameter of 



the orbit i. C. cristateUus^ p. 121. 



•j-f . Tympanum less than half the diameter of 



the orbit 2. C cclcbcnsis^ p. 122. 



2. Only the scales of the row at the base of 



dorsal crest point upwards I- C. jubatus, p. 123. 



b. Ventral scales not larger than latero-dorsals . . 4. C. tympanistriga^ p. 123. 



II. Lateral scales pointing upwards 5. C. versicolor^ p. 124. 



