1 rrrilV-KH 



CONTENTS OF THE FIEST VOLUME. 



PART L GENERAL INTRODUCTION. 

 CHAPTER I. 



PAGE 



Definition of Palaeontology Definition of the term " fossil" Pro- 

 cesses of fossilisation Definition of "rock" Classification of 

 rocks, 1-0 



CHAPTER II. 



Characters of the Sedimentary rocks Mode of formation of the 

 Sedimentary rocks Definition of the term " formation "- 

 Chief divisions of the Aqueous rocks Mechanically-formed 

 rocks Chemically- formed rocks Organically - formed rocks 

 Chalk Limestone Silica and siliceous deposits Carbon 

 and carbonaceous deposits, .... . 10-27 



CHAPTER III. 



Different Ages of the Aqueous rocks Chronological Succession of 

 the Aqueous rocks Value and nature of Palseontological 

 evidence in determining the position of strata Zones of life 

 Use of the term " contemporaneous," as applied to groups of 

 beds General sequence of phenomena at the close of each 

 Geological period Migrations Differences between the fossils 

 of known contemporaneous strata Geological continuity 

 Relations between the Chalk and the Atlantic Ooze Reappear- 

 ance of similar forms of life under similar conditions Doctrine 

 of " colonies," - 28-55 



