THE JOUENAL 



or 



THE LINNEAN SOCIETY. 



On the Conditions favouring Fermentation and the Appearance of 

 Bacilli, Micrococci, and Torulse in previously Boiled Fluids. 

 By H. Charlton Bastian, M.D., F.E.S., F.L.S., Professor 

 of Pathological Anatomy in University College, London, and 

 Physician to University- College Hospital. 

 [Read June 21, 1877.] 



Contents. 



Page 



I. Introductory Remarks 1 



II. Heat as a Promoter of Fermentation 6 



III. Oxygen as a Promoter of Fermentation 9 



IV. Liquor Potassa as a Promoter of Fermentation 12 



V. Interpretation of Experiments with Urine and 



Liquor Potassse 43 



VI. Experiments with Superheated Fluids 50 



VII. Signs of Fermentation in the Boiled and Superheated 



Fluids employed in the foregoing experiments 53 



VIII. General Interpretation ; present State of the Ques 



tion in regard to Archebiosis 61 



IX. Bearing of the Experimental Evidence upon the Germ 



Theory of Disease 83 



I. Introductory Bemarlcs. 



Mt object in the present communication is fourfold. First, I wish 

 to make known in detail certain experimental conditions which I 



LINN. JOURN. — ZOOLOGY, VOL. XIV. 1 



