GECKONID.E. 



Synopsis of Indian, Ceylonese, and Burmese Species. 



A. Large trihedral tubercles forming straight 



series along back. 



a. Diameter of dorsal tubercles more than 



half that of eye ; male with over 30 

 femoral pores, continuous in praeanal 

 region O. fedtschenkoi , p. 61. 



b. Diameter of dorsal tubercles less than half 



that of eye ; male with 4 to 6 preeanal 

 pores. 



a'. About 20 imbricate scales across mid- 

 dle of belly. 

 a". Dorsal tubercles much larger than 



ear-opening G. sealer, p. 62. 



6". Dorsal tubercles nearly equal to 



small ear-opening in size G. brevipes, p. 63. 



b'. About 30 imbricate scales across 

 middle of belly ; dorsal tubercles 

 a little larger than ear-opening. ... O. kachhensis, p. 63. 



B. Enlarged dorsal tubercles, if present, not 



forming straight longitudinal series. 

 a. No lateral fold. 



a'. Back covered with uniform granules, 

 which are smaller than the ventral 

 scales, or with scattered slightly 

 enlarged tubercles. 



a". Tail swollen, depressed, ringed, 

 with enlarged tubercles at each side 



of each ring G. stoliczka, p. 63. 



b". Tail cylindrical, without tubercles ; 

 nostril pierced between rostral, 1st 

 labial, and only two scales ; male 



with prseanal pores G. lawderanus, p. 64. 



c". Tail cylindrical, without tubercles ; 

 nostril pierced between rostral, the 

 1st labial, and several scales ; no 



praeanal or femoral pores G. nebulosus, p. 64. 



b'. Back covered with juxtaposed uni- 

 form flat scales or tubercles, which 

 are much larger than the ventrals. 

 a". Seven lower labials ; back and tail 



with large dark spots G. jeyporensis, p. 65. 



b". Nine to eleven lower labials : back 

 and tail with transverse white 



bands G. deccanensis, p. 66. 



c'. Back granular, with numerous feebly 



keeled or trihedral tubercles. 

 a". Back with tubercles of unequal size ; 

 ventral scales tubercular, slightly 



keeled G. albofasciatus, p. 66. 



b". Back with about 30 longitudinal 

 series of tubercles contained be- 

 tween an area bounded by faint 

 keels margining the belly G. oldhami, p. 67. 



