EXTINCT ANIMALS 



kindness of Professor Amalitzky, of Warsaw, 

 a set of photographs taken by him, showing the 

 discovery and working out by him of a whole 

 series of skeletons of these Theromorph reptiles, 

 closely similar to those from the rocks of Cape 



Fig. 152. — Probable appearance in life of the Theromorph 

 Reptile, Dimetrodon, from the Permian of Texas. As big 

 as a large dog. 



Colony but belonging to a locality far removed 

 from South Africa, namely, to the banks of the 

 Northern Dwina near Archangel in North 

 Russia. Professor Amalitzky has not yet 

 finished his excavations nor published these 



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