INDEX. 173 



PAGE 



Digestion of ligatures 101 



" necrosed bone 104 



" solid food by bacteria 86 



" sponge in the sponge graft 102 



" the roots of the milk teeth 99 



primary 82 



propositions relating to 81 



type of, in unicellular plants and animals 85 



Direct examination for microscopic organisms 44 



Disease Germs Beale's views of. 57 



relation of the white corpuscles to 58 



E 



Early discoveries 18 



Effect of plagues on civilization 13 



Schwan's discoveries 21 



" Schroeder's discoveries 41 



Evidence nature of. 43 



fractional 45 



unsatisfactory 45 



Excretion in plants 117 



by roots of plants 117 



by seeds in sprouting 117 



" manner of, in plants 119 



Explanatory 42 



Extreme views , 56 



F 



Fabroni 19 



Fermentation bladder experiment 19 



compared with contagion 17 



compared with vaccine ." 17 



different from chemical action 19 



early notions of. 15 



early explanations of 16 



filtering paper experiments 19 



hypothesis 15 



Ferments gaseous 23 



gaseous, disproved 29 



soluble.. 82, 106 



in the changes of the form of bone 108 



" relation of to living tissues 108 



" pathological formation of. 106,108 



relation to decay of the teeth 106 



" tissue changes for forming 108 



First traces 12 



" definite announcement of the germ theory 14 



Fixed material 119 



Formed material . 119 



