10. GTMNODACTYLXJS. , 25 



Dorsal scales very large and flat, smooth 

 or feebly keeled, uniform ; body and 

 tail with transverse white bands . , 17. deccanensis, p. 36. 



Back with tubercles of unequal size ; 

 ventral scales tubercular, slightly 

 keeled ; body and tail with trans- 

 verse white bands 18. albofasciatm, p. 37. 



Back granular, with about 30 Ion- . 



gitudinal series of tubercles con- 

 tained between an area bounded by 

 faint keels margining the beUy .... 19. oldhami, p. 38. 



Back with small granules intermixed 

 with numerous smaU trihedral tu- 

 bercles 20. trihedrus, p. 38. 



Back with 16 regular longitudinal 



series of roundish tubercles 21. amouxii, p. 39. 



(3. Ventral scales very 

 large, in 16 longitudinal 

 series 22. gecJcoides, p. 39. 



b. Dorsal tubercles ribbed ; ventral scales keeled. 



Dorsal tubercles forming very regular 



longitudinal series 23. pelagims, p. 40. 



Dorsal tubercles in about 10 irregular 



longitudinal series 24. heteronotus, p. 41. 



Dorsal tubercles in more than 10 irre- 

 gular longitudinal series 25. cheverti, p. 41. 



Dorsal tubercles not in regular series. 26. ccffinis, p. 42. 



2. A slight fold from axilla to groin. Large species, with 

 large head. 



Dorsal tubercles small, smooth, irregu- 

 larly scattered ; male with two pairs 

 of praeanal pores 27. frenatus, p. 42. 



Dorsal tubercles large, trihedral ; 

 26 longitudinal series of ven- 

 tral scales ; male with 16 prseano- 

 femoral pores on each side 28. variegatus, p. 43. 



Dorsal tubercles large, trihedral ; 

 36 longitudinal series of ventral 

 scales ; male with 5 or 6 prseanal 

 pores on each side 29. fasciolatus, p. 44. 



Dorsal tubercles small, roundish, feebly 

 keeled; infradigital lameUse much 

 developed; male with 10 or 13 prse- 

 anal pores, forming an angle 30. IcTiasiensis, p. 44. 



Dorsal tubercles small, roundish, 

 feebly keeled ; male with 12 or 



