82 GECKONIDJE. 



Genus HEMIDACTYLUS, 

 Gray, Ann. Phil. (2) x. 1825, p. 199. 



Digits free or more or less webbed, dilated, beneath with two 

 rows of lamellae ; all the digits provided with slender distal clawed 

 joints angularly bent and rising from within the extremity of the 



Fig. 26. Foot of Hemidactylus coctcei. 

 a. Upper surface, b. Lower surface. 



dilated portion. Dorsal lepidosis uniform or heterogeneous. Pupil 

 vertical. Males with praeanal or femoral pores. 



Distribution. Southern Europe ; Southern Asia ; Africa ; Tropical 

 America ; Polynesia. 30 species are known. 



Synopsis of Indian, Ceylonese, and Burmese Species. 



A. Slender compressed joint of inner digit very 



short, not half as long as dilated basal 

 portion ; 4 to 6 lamellae under inner, and 

 7 to 10 under median toe *. 



a. Dorsal granules intermixed with nume- 



rous small, roundish, keeled tubercles . . H. reticulatus, p. 84. 



b. Dorsal granules intermixed with longi- 



tudinally oval or elliptical, strongly 



keeled tubercles H. gracilis, p. 84. 



c. Dorsal granules uniform, or with scattered 



small, round, convex tubercles H.frenatus, p. 85. 



B. Slender compressed joint of inner digit at 



least half as long as dilated portion. 

 a. Enlarged dorsal tubercles strongly 

 keeled. 



* The infrudigital lamellae are counted longitudinally, those which are 

 divided on the median line being reckoned as one. See fig. 26, above, which 

 represents a foot with 8 lamellae under the inner, and 11 under the median toe. 



