TABLE OF CONTENTS. 



PART I. 

 SUPPOSED NATURE OF DISEASE GERMS. 



PAGE 



Of poisonous matter ... ... ... ... . I 



Of a germ ... ... ... .. ... ... ... ... 10 



Ofbioplasm ... ... ... ... ... ... ... .. n 



OF VEGETABLE GERMS. 



Of the yeast fungus ... ... ... ... ... ... ... 14 



Of a single yeast particle, and of its bioplasm or germinal matter, 



and formed material ... ... ... ... ... ... 15 



Of the production of the minute yeast germs ... ... ... 16 



OF GERMS IN THE AIR. 



Of the detection of vegetable germs in the air ... ... ... 22 



Dr. Maddox's experiments ... ... ... ... ... ... 161 



The characters of the most minute vegetable germs ... ... 33 



Of germs of different kinds of vegetable organisms ... ... ... 35 



Of the origin of vegetable germs Spontaneous generation ... 37 



SUPPOSED INFLUENCE OF VEGETABLE GERMS IN 

 CAUSING DISEASE. 



The manner in which they might enter the body ... ... ... 64 



Of the vegetable germs actually discovered in the fluids and tissues 



of the higher animals during life ... ... ... ... 65 



Question of derivation of fungus germs from higher bioplasm of 



another kind ... ... ... ... ... ... ... 73 



Of diseases known to be due to vegetable organisms ... ... 76 



Some difficulties in accepting the vegetable germ theory of 



disease 78 



