28 A SYNOPSIS OF THE SPECIES OF 



II. Nostril anterior to nasal suture. 



1. Ventral plates in 10-12 longitudinal rows. 



Dorsal scales granular ; edge of collar granular ; brachials large ; no post-antebrachials ; femoral 

 pores 10-12 ; 3 parietals ; 3-4 supraorbitals ; olive with rows of black spots, and 1 or 2 white 

 lines on each side C. lacertoides. 



Dorsal scales coarse, flat ; scales of collar very small ; parietals 3 ; supraoculars 4 ; brachials 

 large ; olive with nine longitudinal lines above C. longicavdus. 



2. Ventral plates in 8 longitudinal rows. 



A. Scales of collar not larger at edge, which is more or less granular ; supraorbitals 8 (pari- 

 etals 3 ; no post-antebrachials). 

 Hind leg shorter, reaching meatus auditorius ; anal scales continuous with abdominals ; femoral 

 scales in C-7 rows ; brachials larger ; anals 10-12 ; usually five stripes on each side, 



C. deppei. 

 Hind leg longer, reaching nasal suture ; minute scales between abdominals and anals ; femoral 

 scales in 10-12 rows ; brachials smaller ; anals 10-12 ; only four stripes on each side, 



C. guttatus. 

 A A. Scales of collar not larger at edge, which is more or less granular ; supraorbitals 4 (pari- 

 etals 3). 

 a. Prenasal not reaching second superior labial. 

 /9. Post-antebrachial plates wanting. 

 Large ; anal plates 10 or more ; brachials in 4-5 rows ; femoral pores 24-5 ; hind leg extended 



reaches ear ; stripes broad and irregular C. maximus. 



Medium ; anal plates 5-6 ; brachials in 4-8 rows ; femorals in 6-9 ; femoral pores 19-21 ; scales 

 generally coarse ; the hind leg extended reaches ear ; stripes complete or broken up, 



C. tessellatus. 

 Smaller ; anal plates 8-10 ; brachials 6 rows ; femorals 8 ; femoral pores 25 ; hind leg extended 



reaches prenasal plate ; j^ellow spotted on olive ground C. variolosus. 



Small ; brachial plates 5 rows ; femorals 6 ; femoral pores 17 ; scales smooth ; striped ; hind leg 



to ear c. octolineatus. 



Small ; brachial rows 6 ; femorals 4-5 ; femoral pores 17 ; scales rough ; unicolor ; hind leg to 



ear c. inornaius. 



AAA. Collar with large scales, the largest at the edge. 



a. Anterior nasal plate not reaching second superior labial. 

 /3. Femoral pores 15 or more. 

 yy. No post-antebrachial plates. 

 Small ; stripes persistent, no intermediate spots ; femur with a stripe behind ; femoral pores 

 15-17 ; head short, loreal plate higher than long ; femoral scales 7-8 rows ; 5 infralabials, 



C. sexlineatus. 



Large ; stripes more or less connected with spots which cut up the dark ground into spots and 



crossbars posteriorly ; femur without stripe beliind ; femoral pores 20-21 ; loreal plate longer 



than high ; femoral scales 7-8 rows C. gralutmii. 



yy. Post-antebrachial scales present. 

 Median gular scales smaller than those of collar ; femoral pores 16-18 ; femoral scales in 8 rows ; 



infralabials 6 ; 7 undulate black stripes on an olivaceous ground G. septemvittaim. 



Median gular scales smaller than those of collar ; femoral pores 18-23; nnizzle elongate, loreal 

 onger than high ; dark bands interrupted by larger or smaller light spots or intervals, 



G. gnlaris. 



