10 PROCEEDINGS OF THE NATIONAL MUSEUM vol. u9 



61. One pair of internasals present; body usually striped 62 



Two pairs of internasals present; body large and not striped . . . Diploglossus 



62. Frontoparietals and interparietal fused into a single shield .... Ablepharus 

 Frontoparietals and interparietal separate, distinct (although latter may fuse 



with parietals) Mabuya 



63. Scales on tail arranged in concentric, vertical rings Stenocercus 



Scales on tail not arranged in vertical rings but in diagonal series . Proctotretus 



Genus ABLEPHARUS Fitzinger 



Ablepharus boutonii poecilopleurus Wiegmann 



Ablepharus poecilopleurus Wiegmann, 1835, Nov. Act. Acad. Caes. 

 Leop. Carol., vol. 17, pt. 1, p. 202. Pisacoma Is., Peru (type 

 unknown) . 

 Range: Islands off west coast of Peru and Ecuador; Sandwich Is., 

 Savage Is. 



Genus ALOPOGLOSSUS Boulenger 



1. Gulars not arranged in two longitudinal rows; four pre-anal scales .... 2 

 Gulars transversely enlarged and arranged in two longitudinal rows; usually 



3 pre-anal scales festae 



2. Scales on the side of the neck large and conical; scales on the posterior half 



of the dorsum in longitudinal rows copii 



Scales not as above 3 



3. Scales on the side of the neck small, almost granular buckleyi 



Scales on the side of the neck keeled, imbricate, not granular . .carinicaudatus 



Alopoglossus buckleyi (O'Shaughnessy) 



Leposoma buckleyi O'Shaughnessy, 1881, Proc. Zool. Soc. London, p, 

 233, pi. 22, fig. 2. Canelos, Ecuador (BM 1946.8.31.66, male). 



Range: Amazonian Ecuador and Peru; has also been recorded from 

 Pacific slope of Ecuador (Babahoyo, by Werner, 1910, Mitt. Nat. 

 Mus. Hamburg, vol. 27, p. 30). 



Alopoglossus carinicaudatus (Cope) 



Leposoma carinicaudatum Cope, 1876, Journ. Acad. Nat. Sci. Philadelphia, 

 ser. 2, vol. 8, p, 160. Valley of Rio Maraiion, Peru (type unknown). 



Range : Periphery of Amazon Basin, in British Guiana, Ecuador, and 

 Peru. 



Alopoglossus copii Boulenger 



Leposoma carinicaudatum. — O'Shaughnessy, Proc. Zool. Soc. London, 



1881, p. 233. 

 Alopoglossus copii Boulenger, 1885, Cat. Lizards British Mus., vol. 2, 



