XII 



CONTENTS 



VIII 

 Contemporaries of Eozoon 193 



IX 

 Difficulties and Objections . . . • • .221 



X 



The Origin of Life 245 



XI 

 Some General Conclusions ...#•• 281 



APPENDIX 



A. Geological Relations of Eozoon, etc. . 



B. Organic Remains and Hydrous Silicaiks 



C. Affinities of Eozoon, etc. 



D. Cryptozoon 



E. Receptaculites and Arch/eocyathus . 



F. Pre-Geological Evolution 



G. Controversies respecting Eozoon . 

 H. Notes to Appendix, December, 1896 



295 

 298 



303 

 310 



315 

 320 



324 

 329 



