INDEX. 



Advance of type, 136 



Algae, 170 



Amphibia, no 



Anatomy, 10 



Animals and plants, divergence of, 



67, 45 



Archean age, 90 

 Articulata, 107 

 Assimilation, 23 



Beginnings of fossiliferous history, 



93 



Birds, history of, 1 12 



Branching arrangement of organ- 

 isms, 66, 98 



Breaks in continuity, 48, 50 



Carbon compounds, 42 

 Carboniferous age, 91, 115 

 Cells, 59, 60 

 Cenozoic, 92, 114 

 Change in species, 116 

 Chemistry of organic compounds, 



19 



Chlorophyll, 17, 37 

 Christianity, law of, 155 

 Ccelentera, history of, 100 



Convergence of character, 152 

 Cretaceous age, 91 

 Cycads, 172 



Death, 32 



Degeneration, 139 



Devonian age, 91 



Difference between dead and living 



organism, 25 

 Differentiation, 81 

 Disappearance of types, 121 

 Divergence, of character, 150 ; of 



types, 77, 80 ; prior to Silurian, 



95-97 



Diversity of modern fauna, 138 

 Division of cells, 65 

 Dominant types, 159 



Early divergence of types, 80, 83 

 Echinodermata, history of, 101 

 Embryology, 6 ; falsification of, 



9 ; imperfection of, 7 

 Endogens, 172 

 Ethical nature, 151 

 Evolution, 47 ; limits of, 180 

 Exogens, 172 

 Expansion of types, 132 



193 



