TABLE OF CONTENTS. 



INTRODUCTION. 



I. THE THEORY OF SPONTANEOUS GENERATION. 



PAGE 



i. Definition . . . . r 

 2. Discovery of Fermentative 



Organisms . ... 2 

 3. Needham's Demonstration in 

 favour of Generatio JEqui- 

 voca ..... 4 

 4. Spallanzani's Experiments . 4 

 5. Franz Schulze's Experiment . 5 

 Foundation of the Science of 



JPAGB 



Antiseptics by Schwann . 6 

 6. Labours of Schroder and 



Dusch .... 6 

 7. Pasteur's Examination of the 



Theory .... 8 

 j 8. Be"champ's Microzyme 



Theory .... 9 

 9. Spontaneous Generation only 



Unproven, not Impossible . 10 



II. THEORIES OF FERMENTATION. 



10. The Alchemists Stahl's 



Theory of Fermentation . 12 



11. Gay-Lussac's Opinion . . 13 



12. Cagniard-Latour's Vitalistic 



Theory . . . .14 



13. Th. Schwann's Researches . 16 



14. Fr.Kiitzing's General Theory 17 



15. Liebig's Decomposition 



Theory . . . .18 



1 6. Pasteur's Theory . . . 20 



17. C. Nageli's Physico-Mole- 



cular Theory . . .20 



1 8. The Enzymes and M.Traube's 



Ferment Theory . .21 



19. General Definition of Fer- 

 mentation . -23 



20. So-called Spontaneous Fer- 

 mentation of Sweet Fruits 24 



21. Decompositions effected by 



Light and Air . . .25 



III. THE ORGANISMS OF FERMENTATION. 



22. Their Position in the Bo- 

 tanical System . 



23. Classification of the Fungi . 

 24.' Schizophytse 



25. Assimilation of Carbon Di- 

 oxide without the Aid of 

 Chlorophyll . . .30 



26. Saprophytes and Parasites . 30 



