24 TBSTUDINIDiE. 



another from the loreal region to the angle of the mouth ; two or 

 four vertical yellow streaks below the nostrils ; a V- or Y-shaped 

 yellow marking on each side of the mandible ; sides of neck with 

 yellow streaks ; limbs with yellow markings. 



Length of shell 200 millim. 



Cochinchina, 8iam, Camboja, Malay Peninsula (lower reaches of 

 Patani liiver), Java. 



In captivity, according to Plower, this tortoise refuses all food 

 except molluscs, crunching up and devouring eagerly the blue; 

 mussel. 



Genus ORLITIA. 

 Gray, Ann. & Mag. N. H. (4) xi, p. 156 (1873). 



Neural plates hexagonal, anterior lateral margins shortest. 

 Plastron extensively united to the carapace by suture, with 

 moderately long axillary and inguinal buttresses, the latter 

 anchylosed between the fifth and sixth costal plates ; entoplastron 

 anterior to the humero-pectoral suture. Skull with a broad bony 

 temporal arch ; alveolar surfaces broad, of upper jaw with a 

 strong median ridge ; choanse between the eyes. Skin of hinder 

 part of head divided into small shields. JDigits fully webbed. 

 Tail very short. 



A single species. 



20. Orlitia borneensis. 



Gray, t. c. p. 157 ; Siebenr. Zool. Anz. xxvii, p. 580 (1904). 

 Bellia borneensis, Bouleng. Cat. Cbelon. p. 100 (1889). 

 Liemys inornata, Bouleng-. Ann. & Mag. Nat. Hist. (6) xix, p. 26 

 (1897). 



Carapace moderately depressed, rather narrow, smooth and 

 rounded in the adult, very convex, tectiform, keeled posteriorly 

 in the yoimg ; posterior border serrated in the young; nuchal 

 shield triangular ; vertebral shields narrower than costals, first, 

 fourth, and fifth broader than long, second and third as long as 

 broad or a little longer. Plastron smaller than the opening of 

 the shell, truncate anteriorly, deeply notched behind, strongly 

 angulate laterally in the young ; the width of the bridge equals or 

 exceeds the length of the posterior lobe; the longest suture is 

 between the abdominal shields ; axillary and inguinal shields 

 present. Head large, short and broad ; upper jaw hooked, more 

 or less distinctly notched in the middle, with a very indistinct 

 cusp on each side. Limbs with transversely enlarged, band-like 

 scales. Uniform blackish brown above, lower surface of shell 

 uniform yellow. 



Length of shell 700 millim. 



Borneo and Sumatra. A photograph of a Large shell from the 

 Bindings Eiver, sent to me by Dr. E. Hanitsch, shows this tortoise 



