102 On a nevo Lizard from Yunnan. 



XVI. — Description of a new Lizard of the Genus Acantho- 

 saura/rom Yunnan. By G. A. Boulenger, F.B..S. 



(Published by permission of the Trustees of the British Museum.) 



Acanthosaura varcoos. 



Head once and one-third as long as broad ; snout a little 

 longer than the diameter of the orbit ; canthus rostralis and 

 superciliary edge sharp ; tympanum nearly as large as the 

 eye-opening ; upper head-scales unequal, granulate and 

 keeled, a few, near the ear, raised and spine-like ; 14 or 15 

 scales in a transverse series between the superciliary edges ; 

 8 upper and as many lower labials ; gular scales smaller than 

 largest ventrals. A strong oblique fold in front of the 

 shoulder. Body neither compressed nor depressed ; dorsal 

 scales very unequal in size, imbricate, strongly keeled ; 

 nuchal crest very low, continued on the body as a series 

 of enlarged, strongly keeled scales; two interrupted series of 

 strongly enlarged, strongly keeled scales along each si le of 

 the back ; ventral scales strongly keeled and mucronate, the 

 median smaller than the laterals. Fourth ringer a little 

 longer than third. Hind limb reaching the ear in the male, 

 the shoulder in the female. Tail cylindrical, not crested. 

 Yellowish or reddish brown above, male with a cream- 

 coloured dorso-lateral band ; 5 chevron-shaped blackish bars 

 across the back ; sides with a wide-meshed black network ; 

 an oblique black streak from the lower eyelid to the com- 

 missure of the jaws; upper lip cieam-colour ; limbs with 

 black cross-bars ; lower parts white. 



d- ?. 



mm. mm. 



Total length 168 187 



Head , 19 19 



Width of head 14 14 



Body 44 • 53 



Fore limb 31 31 



Hind limb 43 43 



Tail 105 115 



Two specimens, preserved in the British Museum — a male 

 from Yunnan Fou and a female from Wuting Chu, — received 

 from Mr. J. Graham in 1914. 



The species is named after Mrs. Graham (maiden name, 

 Varcoe). 



