178 INDEX. 



PAGE 



Sternberg on the relation of leucocytes to micro-organisms 140 



Summary of history 74 



Susceptibility Liebig's explanation of. 24 



Sydenham 15 



T 



The evidence 69 



Theory of molecular motion 22 



Thiersch 49 



Thiersch's infection experiment 53 



Toricellean vacuum and fermentation 18 



U 



Urea an alkaloid 116 



Uredo 46 



Urine changes in the 115 



Utilizing discoveries , 41 



V 



Vaccine discovery of. 16 



" experiments with 16 



Varro 14 



Vegetable world divided into two classes 122 



Vibrios 32 



Views of representative men 48-56 



Virchow 53 



Volkman 55 



W 

 Waldeyer 44 



Walnut trees injurious to other vegetation 118 



Waste products 6th lecture Ill 



abundance of, from micro-organisms 120) 127 



artificial elimination of, in B. Lactis 122 



as medicines 120 



" divided into two classes 113,115 



effects of, on life 94 



how formed 123 



necessary to life 112 



" not yet sufficiently studied 124 



of plants 117 



poisonous 116 



respiratory 117 



" Schwan and Liebig on Ill 



11 tabulated list of 123 



" the laws of. 112 



" urinary 117, 124 



Watt on caries of the teeth 155 



Y 



Yeast plant 96 



digestion by the 84 



Z 



Zymosis 15 



