620 Catalogue of Reptiles inhabiting the [July, 



Young. — xlbove blackish olive, lighter than in the adult ; shell and 

 fins edged with pale yellow ; sternum pale greenish yellow, washed with 

 chestnut, areolae blackish. 



Adult. — Head brown ; shell blackish green ; some of the marginal 

 scales of the fins yellow ; sternum yellow, washed with chestnut ; 27 

 marginal shields ; fins with one nail. 



Habit. — Malayan Seas. 



Bay of Bengal, Chinese Seas. 

 This species is at Pinang of rare occurrence. A single young indivi- 

 dual observed was of the following dimensions : 



Length of the head, If inch. 



Ditto ditto neck, 1 



Ditto • ditto shell, , . . . . 6 



Ditto ditto tail, 0J 



The shell is broad sub-cordiform, (its length exceeding its breadth by 

 half an inch,) three-keeled, the vertebral keel strongest, dentated behind ; 

 the marginal shields 27, obliquely placed. The 1st and 4th pair of 

 costals, and the 4th vertebral shield each divided in two pieces. 



In a not quite full-grown specimen, in the Museum of the Asiatic 

 Society, the length of the shell is 2ft. If inch ; its greatest breadth is 

 2ft. Of inch, the length exceeding the breadth by. one inch. The 

 vertebral shields are still slightly keeled. The 1st and 4th pair of 

 costals, the 2nd left costal, and the 4th vertebral are divided. The 

 central part of the margin is slightly curved upwards. The edges of the 

 jaws are not toothed, but they are transparent with fine white vertical 

 lines, which give them a fringed g^pearance. 



The flesh of this turtle, though relished by the Chinese settlers, is 

 unpalatable to Europeans. 



