136 IGUANIDiE. 



7. Stenocercus mcestus. (Plate IX. fig, 2.) 



No pterj'goid teeth. Anterior border of ear deuticiUated. A series 

 of broad supraoculars ; occipital very small ; temporal scales ob- 

 tusely keeled. Scales on the sides of the neck stroogly keeled and 

 a little larger than those on the temples ; a slight longitudinal fold 

 behind the ear, and a small granular pit in front of the antehumeral 

 fold ; latter short, and with a denticulation formed by three or four 

 large scales. Body subquadrangular. No dorsal denticulation. 

 Dorsal scales large, rhomboidal, strongly imbricate, sharply keeled, 

 not mucronate ; the keels forming continuous straight lines ; lateral 

 scales a little smaller and less strongly keeled. Gular and ventral 

 scales smaller than dorsals, rhomboidal. imbricate, smooth. The 

 adpressed hind limb reaches the eye ; toes very long, fifth not ex- 

 tending as far as second. Tail rounded, long, with rings of scales 

 similar to, and not longer than, the dorsals. Dark olive above, spotted 

 all over with whitish ; supraciliary edge, and a streak from below 

 the eye to above the ear, whitish ; lower sui-faces greenish white. 



Total length 154 millim. 





a. 



Head 15 



Width of head 10 



Body 42 



Fore limb 26 



Hind limb 45 „ 



Tail (reproduced, bifid) . . 97 „ 

 Peru. 



(J. Lima. J. M. Cowper, Esq. [P.]. 



22. CTENOBLEPHARIS. 



Ctenoblepharys, Tsehudi, Faun. Per., Rept. p. 36. 



Tympanum distinct. Body depressed ; no dorsal crest. Dorsal 

 scales smooth, fiat, juxtaposed. Upper head-scales small. A 

 curved fold in front of each shoulder, not extending across the 

 throat. Digits subcylindrical, with smooth lamella? inferiorly. 

 No femoral pores. Male with anal pores. Tail short, conical. 

 Lateral teeth tricuspid ; pterygoid teeth present. No sternal fon- 

 tanelle. No abdominal ribs. 



Peru. 



1. Ctenoblepharis adspersus. 



Ctenoblepharys adspersa, Tsehudi, I. c. pi. i. fig. 2. 



Snout short, subtriangular ; canthus rostralis indistinct, nostril 

 superior : edge of eyeHds fringed ; ear-opening moderately large, 

 without denticulation. Upper head-scales small, subcqual, smooth. 

 Dorsal scales transversely suboval, with small granules in the 

 intervals between them ; scales on the lower surfaces slightly larger, 



