Fauna and Stratigraphy of the Stormberg Series. 

 Distance from head to top of troch- 



397 



anter IV ..... 88 mm. 

 Distance from head to bottom troch- 



anter IV 142 



The distal end of the bone is bent backwards and swells considerably 

 to form the condyles. The lateral condyle is narrow and turns 



Fig. 28. Massospondylus harriesi, Br. (5135). 



A. Right tibia lateral view. 



B. outline of proximal end 



C. Left tibia outline of proximal end X 5 



outwards, and from it a sharply rounded ridge runs up the bone a 

 distance of about 80 mm. The inner condyle is broader and less deep, 

 and stands higher than the lateral condyle. Between the two is a 

 narrow, deep groove, narrower than that of M. carinatus. The 

 articular surface is inclined at an angle of about 70 to the anterior 



