35. EHACODACTTLUS. 177 



Head large, oviform, elongate ; forehead concave ; snout longer 

 than the distance between the orbit and the ear-opening, a little 

 more than twice the diameter of the orbit ; ear-opening narrow, 

 horizontal. Body and limbs moderately elongate, rather depressed ; 

 digits moderately elongate, broad, not very unequal, half-webbed ; 

 limbs bordered on each side by cutaneous folds, most developed on 

 the anterior side of the fore limbs and on the posterior side of the 

 hind limbs ; other cutaneous folds below the rami mandibulae, on the 

 sides of the neck, and from axilla to groin ; throat with a few cross 

 folds. Upper surface of head covered with small irregular polygonal 

 convex scales, larger than the granules of the back, elongated and 

 more or less distinctly keeled on the forehead and snout ; rostral 

 twice as broad as high, with more or less distinct median cleft 

 above ; nostril pierced between seven or eight small nasals and the 

 first upper labial ; upper labials seventeen or eighteen ; lower labials 

 fourteen to seventeen, anterior very high ; mental narrow, elongate, 

 wedge-shaped, about the size of the proximal labials ; no regular 

 chin-shields, but a few larger scales, passing gradually into the 

 minute granules of the throat. Scales small, granular, smallest on 

 the lower surfaces. Tail cylindrical, tapering, covered with uniform 

 small flat juxtaposed scales arranged in verticils. Grey or pinkish 

 grey above, dotted and indistinctly marbled with brown, sometimes 

 with large whitish spots ; lower surfaces white, uniform. 



Total length * 326 millim. 



Head 59 „ 



Width of head 46 „ 



Body 152 „ 



Fore limb 70 „ 



Hind limb 84 „ 



Tail .._ 115 „ 



New Caledonia. 

 a. Yg. Isle of Pines. J. MacgiUivray, Esq. [C], 



2. Rhacodactylus aubryanus. 



Rhacodactylus aubryanus, Socage, Jorn. So. Lish. iv. 1873, p. 202, 

 & 1881, p. 127 ; Bouleng. Proc. Zool. Soc. 1883, p. 125. 



Agrees in every respect with the preceding, except in having the 

 upper surface of the head covered with minute granules, not larger 

 than those covering the back. From snout to vent 195 millim. 



New Caledonia. 



3. Rhacodactylus chahoua. 



Platydactylus chahoua, Bavay, Cat. Rept. N. CaUd. p. 8. i 



Rhacodactylus chahoua, Bouleng. Proc. Zool. Soc. 1883, p. 126, 

 pi. xxi. fig. 1. 



, * Of the Bpecimen in the Brussels Museum. 



