

Preface 



xix. 



causes the increase in the temperature during- 

 the process of fermentation. The author 

 obtained cultures of these, and discovered 



MR. J. DEKKER, PH.D. 



or isolated one in particular, which he has 

 called Saccharomyces theobromce? which micro- 



1 It will be remembered, as Dr. Dekker points out, 

 that Dr. Axel Preyer, in 1901, discovered Saccharomyces 



