Fig. 142. Configuration and relative extent of land and water in "Western 

 Europe duriug the Silurian period. * 



THE PRE-ADAMITE EARTH. 



CHAPTEE IV. 



283. Outlines of land and water. 284. The vegetable kingdom. 285. 

 Coal deposits. 286. Convulsions which terminated the period. 

 FIFTH PALEOZOIC PERIOD : 237. Composition of the strata 288. 

 Destruction of the fauna and flora of preceding period. 289. The 

 new animal kingdom. 290. Outlines of land and water. 291. 



The dark parts are supposed to represent land. This map is repro- 

 duced, with the permission of the author and publisher, from the Traite 

 de Geologic of M. Beudant. 



LARDNER'S MUSEUM OP SCIENCE. 

 No. 147. 



49 



