EEPTILES COLLECTED IN DUTCH NEW GUINEA. 253 



Guinea, v., Zool. p. 382, pis. xvii. & xviii. fig. 1) stands in need of revision in view 

 of the individual variations shown by the above series of specimens indubitably 

 belonging to E. novoe-gidnece. 



Cabettocheltdid^, 



3. Carettochelys insculpta Ramsay. (PI. XXVIII. figs. 1-1 1.) 



Two small specimens, with umbilical cord, removed from the egg, from Launch Camp 

 and Canoe Camp, Setekwa R. (WoUaston Exped.). 



Lengtli of shell 50 mm. A distinct rostral egg-wart. Six or seven neural plates 

 appearing as a series of prominent, oval or pear-shaped, perfectly smooth tubercles ; 

 costal plates granulate, in contact in their proximal half; margin of the carapace 

 soft, serrated, strongly uncinate on the sides, with thickenings corresponding with the 

 marginal shields. Epiplastron and mesoplastron in contact with each other and with 

 the hyoplastron ; hyoplastra and hypoplastra narrow, widely separated from each other, 

 the latter in contact with the xiphiplastra. Neck extremely short, as in a Chelone. 

 Limbs with two strong claws, with the digits quite distinct and united to the tips by 

 a very broad web ; fore limb longer than the hind limb, with the distal part (two 

 phalanges of the third, fourth, and fifth fingers) folding at an angle to the rest of the 

 hand, somewhat after the fashion of tlie wings of a bat. 



Trionychid^. 



4. Pelochelys cantoris Gray. 



A young specimen from the Setekwa R. (Wollaston Exped.). 



LxlCERTILIA. 



G E C K N I D .E. 



5. Gymnodactylus marmoratus Kuhl. 



Mimika R. (B. O. U. Exped.). — Canoe Camp and Launch Camp, Setekwa R. 

 (Wollaston Exped.). 



6. Gymnodactylus mimikanus, sp. n. (PI. XXVIII. figs. 2-2 b.) 



Head large ; snout longer than the diameter of the orbit, which equals its distance 

 from the nostril, and equals or a little exceeds its distance from the ear-openina; ; 

 forehead and postnasal region concave ; ear-opening roundish, about one-third the 

 diameter of the eye. Body and limbs rather elongate. Digits strong, sHghtly 

 depressed at the base, strongly compressed in the raised portion, with well-developed 

 transverse lamellne iuferiorly. Head granulate, with small round tubercles on the 



