10. GTMNODACTTITTS. 23 



Saurodactylus, Fitzing. I. c. p. 91. 



Dasyderma, Fitzing. I. c. p. 92. 



Cyrtopodion, Fitzing. I. c. p. 93. 



Cubina, Ch'ay, Cat. p. 175. 



Puellula, Blyth, Journ. As. Soc. Beng. xxix. 1860, p. 109. 



Geckoella, Grag, Proc. Zool. Soc. 1868, p. 99, 



Quedenfeldtia, Boettg. Abh. Senck. Ges. xiii. 1883, p. 125. 



Digits not dilated, clawed, cylindrical or slightly depressed at the 

 base ; the two or three distal phalanges compressed, forming an 

 angle with the basal portion of the digits ; the claw between two 

 enlarged scales, the inferior of which is more or less deeply notched 

 under the claw ; digits inferiorly with a row of more or less distinct 

 transverse plates. Body variously scaled. Pupil vertical. Males 

 with or without prseanal or femoral pores. 



Borders of the Mediterranean ; Southern Asia ; Australia ; 

 islands of the Pacific ; Tropical America. 



Synopsis of the Species. 

 I. Tail not, or but slightly, swollen. 



A. Stone- or Sand-Geckos with rows of trihedral sharply keeled 

 tubercles on the back and tail ; ventral scales not larger 

 than the dorsal tubei'cles. 



1. Infracaudal scales not keeled. 



Dorsal tubercles very large, not longer 



than broad, in 14 longitudinal 



series; 26 longitudinal series of 



scales across the middle of the belly; 



male with a long series of praeanal 



, and femoral pores 1. caspius, p. 26. 



Dorsal tubercles large, in 12 or 14 



longitudinal series ; about 20 series 



<5f scales across the middle of the 



belly 2. scaber, p. 27. 



Dorsal tubercles smaU, in 10 longi- 

 tudinal series ; about 20 series of 



scales across the middle of the belly; 



the fore limb, when stretched for- 

 wards, does not reach the tip of the 



snout 3. brevipes, p. 28. 



Dorsal tubercles small, in 10 or 12 



longitudinal series ; about 30 series , 



of scales across the middle of the 



belly ; the hind lii-ib stretched for- 

 wards does not entend beyond the 



shoulder 4. kotschyi, p. 29. 



Dorsal tubercles moderate, in 12 or 14 



longitudinal series ; about 30 series 



of scales across the middle of the 



