1. NEPHEUBUS. 9 



Body covered above with large juxtaposed scales, largest and sub- 

 symmetrical on the head 41. Eurydactylus, p. 192. 



Body covered above with granular scales ; the claws of the three 

 inner digits turned inwards, those of the two outer turned out- 

 wards 42. JEluronyx, p. 193. 



IX. Digits dilated, only the third and fourth clawed. 



43. Tarentola, p. 194. 



X. Digits (the fingers at any rate) more or less dilated, 

 clawless. 



Pupil vertical ; tips of toes dilated, with simple transverse lamellae 

 inferiorly 44. Pachydactylus, p. 200. 



Pupil vertical ; tips of toes rather narrowed, with only two small 

 lamellae inferiorly 45. Colopiis, p. 208. 



Digits dilated at the apex only, inferiorly with transverse lamellae 

 furnished on their hinder edge with fine fringes. 



46. Dactychilikion, p. 209. 



Pupil circular ; eyelid distinct all round the eye. 



47. Phelsuma, p. 209. 



XI. Digits dilated at the apex only, with very small sheathed 

 claw, the sheath opening laterally. 



Digital expansion with transverse lamellae inferiorly. 



48. Rhoptropus, p. 217. 



Digital expansion with a circular plate inferiorly. 



49. SphaBrodactylus, p. 217. 



1. NEPHRURUS. 



Nephrurus, Gunth. Journ. Mus. Godefr. xii. 1876, p. 46 



Digits short, cylindrical, clawed, outer opposed to inner, in- 

 feriorly with uniform small spinose tubercles ; the extremity of 

 the digits with verticils of keeled scales ; the skin swollen on the 

 palmar surface and under the articulations of the digits, simulating 

 pads. Derm of head completely involved in cranial ossification. 

 Body covered with spinose tubercles. Tail extremely short and 

 small, terminating in a globular knob. Pupil vertical. No prae- 

 anal nor femoral pores. 



Australia. 



1. Nephrurus asper. (Plate I.) 

 Nephrurus asper, Gunth. I. c. / 



Head large, subtriangular, not much depressed, very distinct 

 from neck ; snout a little longer than the diameter of the orbit, a 

 little shorter than the distance between the latter and the ear- 



