VI TABLE OF CONTENTS. 



PAGE 



1. Acetic Acid Bacteria 5661 



2. Lactic Acid Bacteria . . . 61 66 



3. Butyric Acid Bacteria 66 70 



4. Kephir-organisms, Ginger-beer Plant . . . . . . 70 73 



f). Slinae-forming Bacteria . . . . . . . . . . 73 76 



6. Bacteria exercising an inverting, diastatic or peptonising 



action . . . . . . . . . . . . . . 76 77 



7. Sarcina Forms. . .. .. .. .. .. .. 77 80 



8. Crenothrix 8081 



CHAPTER IV. 

 THE MOULD-FUNGI. 



Occurrence in nature . . . . . . . . . . . . 82 83 



1. Botrytis cinerea 8386 



2. Penicillium glaucum . . . . . . . . . . 86 89 



3. Eurotium Aspergillus glaucus . . . . . . . 89 92 



4. Aspergillus Oryzas 9293 



5. Mucor Mucedo' 9396 



Mucor racemosus, Mucor erectus, Mucor circinelloides, 



spinosus, stolonifer . . . . . . . . . . 96 99 



Fermentative action of the Mucorinae . . . . . . 99 100 



6. Monilia Candida 100103 



7. Oidium lactis . . . . 103106 



8. Fusarium . . . . . . . . . . . . . . 106 



9. Chalara Mycoderma 106107 



10. Dematium pullulans . . . . . . . . . . . . 107 109 



11. Cladosporium herbarum .. .. .. .. .. 109 110 



CHAPTER V. 



ALCOHOLIC FERMENTS. 



INTRODUCTION . . . . . . . . . . . . . . Ill 121 



General remarks . . . . . . . . . . . . Ill 



Earlier Observations of Schwann, de Seynes, Reess, de 



Bary, Engel, and Brefeld 111112 



Pasteur and his predecessors . . . . . . . . 113 115 



His dispute with Liebig . . . . . . . . . . 114 



Pasteur's views on the fermentation organisms, his theory 



of fermentation, and his controversy with Brefeld and 



Traube * 114118 



Aeration experiments of Pedersen, Hansen, and Buchner 118 

 Nageli's, Brown's and Hueppe's objections to Pasteur's 



theory of fermentation ; Nageli's theory . . . . 118 120 



