44. PACHTDACTYLirS. 207 



9. Pachydactylus mentomarginatus. (Plate XYI. fig. 5.) 

 Pachydactylus mentomarginatus, Smith, III. S. Afr., Rept. App. p. 5. 



Snout short, as long as the diameter of the orbit, convex, rounded. 

 Ear-opening oval. Body not much depressed. Limbs rather long ; 

 digits short, subequal, of subequal width, with four lamellae inferiorly ; 



the outer toe inserted a good deal below the fourth. Tail ? 



Head covered with granules intermixed with larger ones posteriorly ; 

 naso-rostrals separated ; rostral broader than high ; eight or nine upper 

 labials ; eight or nine infralabials, gradually decreasing in size, the 

 anterior as long as, and broader than, the mental ; latter square, not 

 narrowed posteriorly. Back graniilar, intermixed with large, feebly- 

 keeled, roundish tubercles, arranged irregularly. Outer part of femur 

 and tibia with scattered oval, strongly-keeled, large tubercles. Lower 

 surfaces covered with very small scales. Reddish brown above ; head 

 variegated with whitish. Back with five transverse, dentated, whitish, 

 dark-brown-edged bands, much narrower than the interspaces ; lower 

 surfaces dirty white (wine-yellow according to Smith), the throat 

 freckled with brownish, and the lower edge of the infralabials mar- 

 gined with brown. 



Total length (tail missing) 29 millim. 



Head 9 



Width of head 6-5 



Body 20 



Fore limb 11 



Hind limb 13 



Interior of South Africa. 



a-h. Hgr. ? S. Africa. Sir A. Smith [P.]. (Types.) 



10. Pachydactylus mariquensis. (Plate XVI. fig. 6.) 

 Pachydactylus mariquensis, Smith, III. S. Afi-., Rept. App. p. 3. 



Head very convex ; snout very short, hardly as long as the diameter 

 of the orbit, round. Ear-opening oval or subcircular. Body not 

 much depressed. Limbs long ; digits rather short, the end slightly 

 dilated, with three lamellae inferiorly ; the outer toe inserted a good 

 deal below the fourth. Tail cylindrical, tapering, without annuli. 

 Upper surface of head, body, and limbs covered with granules of 

 subequal size ; naso-rostrals generally in contact ; rostral broader 

 than high ; upper labials seven or eight ; lower labials six or seven, 

 gradually decreasing in size, the anterior as long as, and broader 

 than, the mental, which is very slightly narrowed posteriorly. Ab- 

 dominal scales equal. Caudal scales equal, smooth, slightly imbri- 

 cated, much larger than the granules of the back. Male with a 

 series of four conical scales on each side of the base of the tail. 

 Grey above, with reddish-brown blackish-margined markings ; these 



