LIZARDS. 145 



23. Amydosaurus. Toes half webbed. Back granular. Limbs 

 aud body simple. 



24. Lypeeosaurus. Toes half webbed. Back granular. Hinder 

 edge of legs with a slight fold of thin membrane. Tail with 

 a slight fringe. 



25. Ptychozoon. Toes webbed. Head, body and tail with 

 membranes on the side. 



c. Claws 2-2. All hut the two middle toes without any compressed 



last joint. 



26. Tarentola. Lower rostral shield very long, 



d. Claivs no7ie. Toes all tvithout any compressed last joint. 



27. Phelsuma. Toes dilated, ovate. Tail rather contracted. 



28. Pachydactylus. Toes slender, short, apex rather dilated. 



29. Sph^rodactylus. Toes slender, with a single rounded disk 

 at the tip. 



D. Toes and thumbs claived, slightly dilated heloiu at the base, the 

 two or three last joints compressed, angularly bent, the membra- 

 nous plates beneath the toes transverse, smooth. 



a. Toes rather thick, tapering. Tail round. 



30. Naultinus. Tail cylindrical, tapering, granular. Preanal 

 pores in 2 or 3 cross series. Back granular. 



31. EuBLEPHARis. Tail cylindrical, ringed wdth cross series of 

 tubercles. Back tubercular. 



32. HoMONOTA. Tail cylindrical, tapering, granular. Preanal 

 pores none. Back scaly. 



33. PisTURUs. Tail compressed, dentated above. 



b. Toes elongate, slender, compressed, versatile, joints bent at angle. 



34. GoNioDACTYLUs. Tail round, tapering, granular. Scales 

 granular. Preanal pores none. 



35. Cyrtodactylus. Tail round, tapering, with rings of tuber- 

 cles. Back with rows of tubercles. Preanal pores in 2 paral- 

 lel rows. 



36. Heteronota. Tail round, tapering, with rings of tubercles. 

 Back tubercular. Preanal pores in an arched series. 



37. CuBiNA. Tail round, tapering, with rings of tubercles. The 

 Back tubercular. Preanal and femoral pores none. 



O 



