



Fig. 48. — Skull of the gigantic Theriomorph Carnivorous Reptile 



Inostransevia. 



From Northern Russia. (Length of skull, 2 feet.) Permian or Triassic age. 

 This animal was probably as large as a rhinoceros. (From Sir Ray 

 Lankester's Extinct Animals.) 



5P 



Fig. 49. — Probable Appearance of the Theriomorph Reptile 



Di.metrodon. 

 rom the Permian of Texas. It was the size of a large dog. (From Sir Ray 

 Lankester's Extinct Animals.) 



