﻿CONTENTS 



PALEOZOIC AGE 



Chronology 

 Introduction 



Foundational Ages 



Cambrian Period 

 Ordovician Period 

 Silurian Period 

 Devonian Period 

 Carboniferous Period 

 Permian Period 



Triassic Period 

 Jurassic Period 

 Cretaceous Period 



CAINOZOIC AGE 

 Eocene Period 

 Oligocene Period 

 Miocene Period 



Pliocene Period, earlier epoch 

 Pliocene Period, later epoch 



TAGE 



XV 



MESOZOIC AGE 



QUATERNARY AGE 



Pleistocene Period 

 Present Period 



Authorities Consulted 

 General Index 



APPENDIX 



16 



21 

 28 



38 



SO 

 6l 



70 

 82 

 98 



Il6 

 I40 



*54 

 169 



182 



189 

 211 



217 

 227 



IX 



