Contents  
  Front Matter
  I The Bodies of Space
  II Constituent Materials of the Earth
  III The Earth Formed - Era of the Primary Rocks
  IV Commencement of Organic Life - Sea Plants, Corals, etc.
  V Era of the Old Red Sandstone - Fishes Abundant
  VI Secondary Rocks - Era of the Carboniferous Formation
  VII Era of the New Red Sandstone - Terrestrial Zoology Commences with Reptiles
  VIII Era of the Oolite - Commencement of Mammalia
  IX Era of the Cretaceous Formation
  X Era of the Tertiary Formation - Mammalia Abundant
  XI Era of the Superficial Formations - Commencement of Present Species
  XII General Considerations Respecting the Origin of the Animated Tribes
  XIII Particular Considerations Respecting the Origin of the Animated Tribes
  XIV Hypothesis of the Development of the Vegetable and Animal Kingdoms
  XV MacLeay System of Animated Nature
  XVI Early History of Mankind
  XVII Mental Constitution of Animals
  XVIII Purpose and General Condition of the Animated Creation
  XIX Note Conclusory