452 G. A. BOULENGER 



width of the interorbital space, in the middle , equals the dia- 

 meter of the orbit , which a little exceeds the length of the 

 snout ; diameter of the mandible at the symphysis nearly equal 

 to that of the orbit. 



Chelodina novae-guineae. 



Two female specimens. 



Length of carapace 

 Width of carapace 

 Length of plastron 

 Length of front plastral lobe 

 Width » » » 



Length of hind plastral lobe 

 Width » » » 



Depth of shell 



Carapace oviform in outline, broadest posteriorly, flat on the 

 vertebral region; posterior margin not reverted. Discal shields 

 rugose , the rugosities forming radiating lines in one of the 

 specimens ; nuchal once and two thirds or twice as long as 

 broad ; first vertebral largest , as long as broad or slightly 

 broader than long ; second and third much broader than long ; 

 fourth smallest; fifth as long as or longer than broad. Inter- 

 gular shield about once and a half as long as broad , about 

 twice and a half as long as the suture between the pectorals, 

 which equals that between the femorals ; gulars broader than 

 long ; humerals nearly as broad as long ; pectorals in contact 

 with the fourth and fifth marginals, abdominals with the fifth 

 and sixth. 



