Fauna and Stratigraphy of the Stormberg Series. 



419 



The shaft has a minimum width of 46 mm. and a minimum thick- 

 ness of 41 mm. 



The distal articular surface has a maximum width of 90 mm. and 



B 



D 



Fig. 38. Oryponyx africanus, Br. 

 Right tibia of type. 



A. Latero posterior view. 



B. Posterior view. 



C. Outline of proximal end. 



D. Outline of distal end. 



a maximum thickness of 53 mm. The posterior edge is 70 mm. 

 long. The anterior condyle stands about 45 mm. above the posterior 

 condyle, and its surface faces downwards and outwards. The sulcus 

 between the condyles is narrow and fairly deep. 



27 



