136 



TESTUDINIDiR. 



Fig. 38. 



Skull of Gcoemyda grandis. 



Synojysis of the Species. 



I. Aiitorior margin of shell serrated ; second 



vertebral shield at least as broad as the 



second costal, much broader than long . . 1. sp'mosa, p. 137. 



II, Anterior margin of shell not serrated ; second vertebral shield 



narrower than the second costal, not much broader than long. 



Carapace arched or cectiform in a ti'ansverse 



section 2. grandis, p. 138. 



Carapace much depressed, flat on the vertebral 



region 3. depressa, p. 139. 



