24 



TESTFDINIDiE. 



without bony temporal arch ; alveolar surfaces nari'ow, without 

 median ridge. Upper surface of head covered with undivided skin. 

 Digits with a short web. Tail very short, not longer in the young 

 than in the adult. 



Distribution. Burma, Malay Peninsula and Archipelago. 



Three species are known. Habits terrestrial or semiaquatic. 



Fig. 8. — Shell of Geoemyda grandis. 



Synopsis of the Species. 



A. Anterior margin of shell serrated ; second verte- 



bral shield at least as broad as the second 



costal, much broader than long- G. sjmiosa, p. 25. 



B. Anterior margin of shell not serrated ; second 



vertebral shield narrower than the second 

 costal, not much broader than long. 



a. Carapace arched or tectiform in a transverse 



section G. f/rfnidis, p. 25. 



b. Carapace much depressed, flat on the vertebral 



region G. depressa, p. 25. 



