'Theriodontia — Galesauridce, 



59 



the skull and teeth. The specimens exhibited have all been 

 obtained from rocks of Triassic age in South Africa, and are the 

 type-specimens of the species figiired and described in the work 

 already quoted. 



Fig. 79. — Anterior view of a dorsal verrebra of Naonaurus cluviger (Cope), 

 (rem the Permian of Texas (', nat. sizp): ce, centniin. 



Fig. 80. — Right, lateral aspect of imperfect cranium of JElurosourus fdinus (Owen) ; 

 from the Karoo Beds (Triassic), Beaufort West, South Africa (f nat. size), a, upper 

 incisive tooth ; b, upper cheelc-tooth, enl.arged. 



