292 



I. Orlitia borneensis Gray. 



Orlitia borneensis^ Gray, Ann. Nat. Hist. (4) XI 1873, P- ^11- 

 Bellia borneensis^ Boulenger, Cat. Chel. 1889, p. 100. 

 Hardella bailey i^ Bartlett, Sarawak Gazette May i 1895, p. 83. 

 Brookeia baileyi^ idem, June i 1896, p. 113. 



Adelochelys crassa^ Baur, Anat. Anz. XII 1896, p. 314, fig. i — 4. 

 Liemys inornata^ Boulenger, Ann. Nat. Hist. (6) XIX 1897, p. 469. 

 Orlitia borneensis^ Schenkel, Verh. Naturf. Ges. Basel XIII 1901, p. 194. 

 Orlitia borneensis^ Siebenrock, Zool. Jahrb. Suppl. X 1909, p. 458. 



Carapace very convex, tectiform, with an obtuse median 

 keel, posterior margin serrated in young specimens; carapace 

 a little depressed, smooth and rounded in adult specimens. 



Fig. 106. Orlitia borneensis Gray. Young specimen X ^/t 



Nuchal shield more broad than long, narrow anteriorly; ver- 

 tebrals more broad than long, narrower than the costals; fifth 

 vertebral much narrower than others; fourth costal much 

 smaller than third; posterior marginals smaller than the others; 

 dorsal shields a little rugose. Plastron smaller than the opening 

 of the shell, truncate anteriorly, deeply notched posteriorly, 

 angulated laterally in the young; width of bridge exceeds the 

 length of the hind lobe; suture between the anal shields short- 

 est, that between humerals and gulars about equal, length 



