118 SAURIA. 



is a lateral \'iew of the sheath, showing the swollen dorsal ridge ; in the left-hand figure 

 one lateral half of the sheath has been removed, so that the retracted claw may be seen ; 

 finally, the central figure is a front view, showing the dorsal ridge and the two lobes of the 

 sheath, with the point of the claw in the middle. 



Pentadactylus duvaucelii. 



Platydactylus duvaucelii, Dum. ^- Bibr. iii. p. 312. 

 Pentadactylus duvaucelii, Gray, Lizards, p. 160. 



The nostrils are surrounded by four small shields, by the first labial, and by the rostral. 

 Rostral shield large, notched above, receiving in its notch a small shield situated on the 

 upper side of the head, between the two nasal shields. Twelve upper and eleven lower 

 labials, which are higher than long. Opening of the ear large, ovate. Males with five 

 angular concentric series of pores before the vent, the posterior series being composed of 

 five scales, the anterior of forty-six. 



The specimens described by Bibron are said to have been brought from Bengal. Bibron 

 does not mention the peculiar structure of the sheath of the claw ; but in other points his 

 description of this Gecko agrees so well with the species observed by us that we can scarcely 

 doubt that they are congeners. Bibron's specimens were 10 inches long, the tail measuring 

 ?)\ inches. 



PUELLULA, Bhjth. 



Toes not dilated, l)ut distinctly ribbed, except on the ungual phalanges. 

 A distinct rudimentary dorsal crest. No femoral or praeanal pores, but a 

 large, raised glandular space at the base of the thighs underneath, divided 

 by a slight median groove on the anterior half, which deepens to form a 

 large glandular cavity on the posterior half. (This structure is less 

 developed in the female.) 



PUELLULA RUBIDA. 



Puellula nibida, Bhjth, Journ. As. Soc. Beny. sxix. p. 109. 



Back granular, thickly studded with larger tubercles ; tubercles on the tail in transverse 

 series ; a fold of the skin along the side of the belly. Four large chin-shields, the medial of 

 which exceed the outer in size. Colour of the fresh animal very ruddy ; a dark line passes 

 backward from the eye, and meets its opposite upon the occiput, this V-like marking being 

 succeeded by one or two others like it ; body with irregular narrow transverse bands com- 



