412 



PALAEOZOIC SYSTEM OF ROCKS. 



Fig. 597. 



Figs. 593-597.— EuRorEAsr Permian Fosstls: Plants— 593. Walchia piniformis (Permian of Europe). 

 594. Ginkophvllum. Fishes— 595. Platysomus gibbosus (Permian of Europe). 595. Kestoration 

 of Palaeoniscus. Reptile— 597. Limnerpeton laticeps, natural size (after Fritsch). 



organisms, the greatest in the whole history of the earth, taking place 

 in the midst of conformable strata (Fig. 587, a). Evidently the change 

 must have been comparatively rapid. 



