200 GECKONID^, 



5. Tarentola gigas. , 



Ascalabotes gigas, Socage, Jorn. Sc. Lish. v. 1875, p. 108. 



No supraorbital bone. Snout as long as the distance between 

 the eye and the ear-opening. Hostral twice as broad as high ; ten 

 upper labials, the last minute ; mental nearly three times as long as 

 it is broad in the middle, its posterior border not half as broad as its 

 anterior ; chin-shields three on each side, in contact with the labials, 

 the innermost twice as long as broad ; infralabials eight. Anterior 

 border of ear-opening not denticulated. Body with sixteen longi- 

 tudinal series of flat or very feebly keeled large tubercles ; similar 

 tubercles on the limbs and on the anterior part of the tail. Brownish 

 grey above, with more or less defined dark transverse bands on the 

 back and tail ; sometimes a lighter vertebral band ; a dark streak, 

 bordered above with lighter, on each side of the head, passing through 

 the eye. 



Total length 191 millim. 



Head 30 „ 



Width of head 24 „ , 



Body 72 „ 



Fore limb 36 „ 



Hind limb 50 „ 



Tail «9 „ 



Cape Yerde Islands. 

 a. Adult. nheo Raso. Prof. Barboza du Bocage [P.]. 



44. PACHYDACTYLUS*. 



Platydactyles, part., Cuv. Regne Anim. ii. p. 45. 



Platydactylus. Gi-ay, Ann. Phil. (2) x. 1825, p. 199. 



Anoplopus, part., tVagl. Syst Amph. p. 142. 



Pachydactylus, Wiegin. Herp. Me.T. p. 19; Fitzing. Syst. Hept. p. 99; 



Gi-ay, Cat. Liz. p. 1(^7. 

 Platydactylus, part., Dum. 8f Bihr. Erp. Gen, iii. p. 290. 

 Homodactylus, Gray, Proc. Zool. Soc. 1864, p. 59. 



Digits more or less dilated, free, clawless, with undivided angular 

 lamella3 under their terminal part. Pupil vertical. No praeanal or 

 femoral pores. 



Africa. 



The eye is large and the pupil vertical ; the circular lid distinct 

 above, with scales forming a more or less distinct denticulation. 

 The digits are subequal ; their borders are more or less distinctly 

 toothed ; a flat scale, like a human nail, on the upper part of the 

 extremity ; their lower surface covered anteriorly with transverse 

 lamellse, the remainder with small scales arranged in longitudinal 

 series. Two small transverse slits behind the vent. The nostril is 

 pierced between three scales, and the rostral shows no trace of cleft. 

 There are no chin-shields. 



» Pachi/tlacfylus tns/h, Hallow. Proc. Ac. Philad. 1854, p. 98.— Liberia. 



