48. RHOPTEOI-TrS.— 49. SPHiERODACiyiTJS. 217 



48. RHOPTROPUS. 

 Rhoptropus, Peters, Mon. Berl. Ac. 1869, p. 68. 



Digits slender, free, dilated at the end, with undivided transverse 

 lameUse below, furnished with extremely small, very indistinct, 

 retractile claw ; upper surface with a flat, nail-like distal scale. 

 Upper surfaces covered with granular scales j belly covered with 

 cycloid imbricated scales. Pupil vertical. Eyelid distinct aU 

 round the eye. No preeanal nor femoral pores. 



South-western Africa. 



1. Rhoptropus afer. 



Rhoptropus afer, Peters, I. c. p. 59, pi. — . flg. 2 : Bocage, Jorn. So. 

 Lish. iv. 1873, p. 212. 



Habit of a Ptyodactylus. Snout depressed, broad, and rounded ; 

 ear-opening rather large, horizontal, concealed by a narrow dermal 

 fold. Nostril pierced in the centre of a swelling formed by three 

 or four nasal scutes ; ten or eleven upper and eight or nine lower 

 labials ; mental and the contiguous labials much elongate ; no chin- 

 shields. Upper surfaces covered with minute granular scales, 

 larger on the snout. Limbs elongate. Tail rounded, tapering^ 

 somewhat depressed, covered with small flat smooth scales. Yel- 

 lowish or greenish-olive above, uniform or with small scattered 

 dark spots ; lower surfaces greenish white. 



Total length 135 miUim. 



From snout to vent .... 52 ,, 

 Head to ear-opening . . 14 ,, 



Fore limb 25 



Hind limb 30 " 



Damaraland ; Mossamedes. 



49. SPHJERODACTYLUS. 



Sphserodactylus, part., Wagler, Syst. Amph. p. 143. 

 Sphffiriodactylus, Oi-ay, Oriff. An. Kingd., Syn. p. 52 ; Wiegm. Herp 



Mex. p. 20 ; Bum. ^ Bibr. iii. p. 401 ; Bocmtrt, Miss. So. Me.v. 



Mept. p. 44. 

 Sphaerodactylus, Fitzing. Syst. Rept. p. 93 ; Ch-ay, Cat. Liz p 168 • 



Cope, Proc. Ac. Philad. 1861, p. 497. ^' 



Digits narrow, slender, free, with transverse lameUas inferiorly, 

 the apex dilated into a disk, with a circular undivided plate in- 

 feriorly ; all digits with a sheathed retractile claw, the sheath 

 opening laterally and inwards. Scales granular or imbricate. 

 Pupil round or subelliptical. Eyelid nearly circular. No pra^anal 

 or femoral pores. 



West Indies ; Central America ; Colombia. 



