34 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 119 



Genus SPHAERODACTYLUS Wagler 



1. No median row of enlarged subcaudals; no black lines on dorsum of head; a 



dark band across the scapular region scapularis 



A median row of enlarged subcaudals; five to seven dim longitudinal dark lines 

 on head; no dark band across the scapular region lineolatus 



Sphaerodactylus lineolatus Lichtenstein 



Sphaerodactylus lineolatus Lichtenstein, 1856, Nomencl. Mus. Zool. Berlin, 

 p. 6. Veragoa, Panama, which is Veragua (BerM 417). 



Range: Central America from British Honduras south to Panama; 

 Colombia; reported in Ecuador on the basis of USNM 65451, from 

 Macas. 



Sphaerodactylus scapularis Boulenger 



Sphaerodactylus scapularis BonlGnger, 1902, Ann. Mag. Nat. Hist., ser. 7, 



vol. 9, p. 54. St. Javier, Ecuador (BM 1946.8.30.70). 

 Range: Northv^estern Ecuador. 



Genus STENOCERCUS Dumeril and Bibron 



1 . Caudal scales without spines 2 



Caudal scales strongly spinose 5 



2. Vertebral scales raised and pointed, forming a denticulate ridge 3 



No raised and pointed vertebral scales varius 



3. Ventral scales approximately same size as largest dorsals 4 



Ventral scales considerably larger than largest dorsals humeralis 



4. Dorsal scales mucronate; caudal scales mucronate nigromaculatus 



Dorsal scales not mucronate; caudal scales not or but very shortly mucronate. 



boettgeri 



5. Caudal whorls subequal simonsii 



Caudal whorls alternately larger and smaller carrioni 



Stenocercus boettgeri Boulenger 



Stenocercus boettgeri ^ovXtnger, 1911, Ann. Mag. Nat. Hist., ser. 8, vol. 7, 



p. 22. Huancabamba, Peru (BM 1946.8.11.92-99). 

 Range : Highland areas of Peru and Ecuador. 



Stenocercus carrioni Parker 



Stenocercus carrioni Parker, 1934, Ann. Mag. Nat. Hist., ser. 10, vol. 14, 



p. 264. Zamora, Ecuador (BM 1933.6.24.75, male). 

 Range : Knov^n only from type locality. 



Stenocercus humeralis (Gijnther) 



Microphractus humeralis Giinther, 1859a, Proc. Zool. Soc. London, p. 90. 

 Andes of Western Ecuador (BM 1946.8.11.76-77). 



