xii PREFA CE. 



to them. Wishing to avoid all needless confusion, 

 I therefore renounced the use of the word Bio- 

 genesis, and being, for the reason just given, unable 

 to adopt the other term, I was compelled to intro- 

 duce a new word, in order to designate the process 

 by which living matter is supposed to come into 

 being, independently of pre-existing living matter. 



H. CHARLTON BASTIAN. 



Queen Anne Street, 

 May 8, 1871. 



