102 



PRLOSfRDUSlDiE. 



alveolar surfaoo of upper j.aw with a very indistinct median ridge ; 

 a pair of shields, separated bj' a loiip:itudinal suture, between the 

 eyes, followed by a large parietal. Digits very short, the median 

 ■with three phalanges; five claws to each foot. 

 Tropical and JSouth Africa; Madagascar. 



Pig. 46. 



Skull of Stcrnotlicertis iii/jer. (From Gray, P. Z. S. ISTU.) 



JSijno2'>sis of the Sj^)cdes. 



I. Suture beiween the abdominal shields longer than that between 

 the humcrals ; front lobe of plastron strongly hinged. 



