176 geckonidjE. 



35. RHACODACTYLUS. 



PIatydactylu3, part., Wiegm. Herp. Mex. p. 19 ; Dum. ^ Bibr. Erp. 



Q6n. iii. p. 290. 

 Rhacodactylus, Fitzing. Syst. Sept. p. 100 ; Bouleng. Proc. Zool. 



Soc. 1888, p. 123. 

 Platydactylus, Oray, Cat. p. 160. 



Correlophus, Ouichen. Mem. Soc. Sc. Nat. Cherb. xii. 1866, p. 249. 

 Ceratolophiis, Bocage, Jorn. So. Lish. iv. 1873, p. 205. 

 Chameleonurus, Bouleng. Bull. Soc. Zool. France, 1878, p. 68. 



Digits strongly dilated, more or less webbed, with undivided 

 lamellae below, all furnished with a retractile claw supported by the 

 compressed distal joint. Upper surfaces covered with juxtaposed 

 granular scales ; lower surfaces with juxtaposed granules or slightly 

 imbricated scales. Tail prehensile. Pupil vertical. Males with 

 preeanal pores. 



New Caledonia. 



Synopsis of the Species. 



I. Dorsal scales uniform. 



A. Digits half-webbed. 



Rostral separated from the nostril ; scales 

 on upper surface of head considerably 

 larger than the granules of the back . 1. leachianus, p. 176. 



Eostral separated from the nostril ; upper 

 surface of head covered with minute 

 granules, not larger than those of the 

 back 2. auhryanus, p. 177. 



Eostral entering the nostril ; upper sur- 

 face of head covered with small gra- 

 nular scales, almost as small as those 

 of the back 3. chalioua, p. 177. 



B. Digits not more than one-third webbed. 

 Upper surface of head covered with very 



large, unequal, subconical tubercles . . 4. trachyrhynehus, p. 178. 

 Hinder part of head with knob-like 



prominences 5. auriculaius, p. 179. 



II. A ciliated crest on each side, from 



the upper eyelid to the back. . 6. eiliatus, p. 180. 



1. Rhacodactylus leachianus *. 



Platydactylus leachianus. Gray, Cat. p. 160. 

 Platydactylus leachianus, Cuv. B. A. 2nd edit. ii. p. 64 ; Dum. ^ 



Bibr. iii. p. 315, pi. xxviii. fig. 6 ; Bavay, Cat. Bept. N. CaUd. p. 3. 

 Hoplodactylus (Rhacodactylus) leachianus, Fitzing. Syst. Sept. 



p. 100. 

 Rhacodactylus leachianus. Socage, Jorn. Sc. Lisb. iv. 1873, p. 201 : 



Bouleng. Proc. Zool. Soc. 1883, p. 124. 



* This deBcription is taken from the young specimen in the Collection, and 

 from two adult female specimens, one in the Lisbon Museum, the other in 

 the Brussels Museum. 



