Cr 

 IW 



CONTENTS. 



PACK 



THE BODIES OF SPACE THEIR ARRANGEMENTS AND FORMATION L 



CONSTITUENT MATERIALS OF THE EARTH, AND OF THE OTHER 



BODIES OF SPACE 16 



THE EARTH FORMED GEOLOGICAL CHANGES 25 



LOWER AND UPPER SILURIAN FORMATIONS FIB8T FORMS OF 



LIFE 29 



DEVONIAN ERA FISHES ABUNDANT 35 



CARBONIGENOUS ERA COMMENCEMENT OF LAND PLANTS . . 42 



PERMIAN ERA FIRST TRACES OF REPTILES 50 



ERA OF THE TRIAS AND OOLITE REPTILES ABUNDANT FIRST 



TRACES OF BIRDS AND MAMMALIA 54 



CRETACEOUS ERA 69 



ERA OF THE TERTIARY FORMATION MAMMALIA ABUNDANT . 74 



ERA OF THE SUPERFICIAL FORMATIONS EXISTING SPECIFIC 



FORMS ABUNDANT 81 



GENERAL CONSIDERATIONS RESPECTING THE ORIGIN OF THE 



ANIMATED TRIBES . . 8tf 



PARTICULAR CONSIDERATIONS RESPECTING THE ORIGIN OF 



THE ANIMATED TRIBES . 99 



551 



