230 



INDEX 



Diphtheria bacillus in milk, 



197 

 pathogenic powers of, 



99, 102 

 poisons, 103 

 relation of, to diph- 

 theria, 98, 99 

 resistance of, to heat 

 and chemicals, 101 

 bacteriological diagnosis of, 



99, 100 

 disinfection during attack, 



99 

 serum sickness following, 



104 



transmission of, 99, 197 

 Diplococci, 26 

 Diplococcus pneumonise, 94. 



See Pneumococcus. 

 Disease, 58 



transmission of, 62 

 water-borne, 192 

 Disinfectants, 48 



uses of, 53 to 57 

 Disinfection, 48, 223 

 of dejecta, 54 

 of room and houses, 55 

 of sputum, 54 

 of water-closets and sinks, 



55 



Dumdum fever, 203 

 Dysentery, amebic, 129, 201 

 bacillary, 129 



antibodies, 131 

 antiserum, 133 

 bacteriological diag- 

 nosis of, 132 

 disinfection during 



attack, 131 

 transmission of, 130, 



131 

 bacillus, 129 



agglutinins, 131 

 antisera, 133 

 bacteriolysins, 131 

 general description of, 



132 

 pathogenic powers of, 



130, 132 

 poisons, 130 

 relation of, to dysen- 

 tery, 130 



Dysentery bacillus, resistance 

 of, to heat and chemicals, 

 132 



ENCYSTMENT, 223 

 Endotoxins, 61, 67 

 Entamoeba histolytica, 201, See 



Amebic dysentery, 

 general description of, 



202 

 pathogenic powers of, 



201, 203 



Enteric fever, 109. See Ty- 

 phoid fever. 

 Enzymes, 4 1,223 



in industries, 36 

 Etiology, 223 

 Exudate, 80 



FAHRENHEIT scale, 47 



Favus, 186 



Feces, collection of, 73 



sterilization of, 54 

 Fermentation, 19, 34, 41, 196, 



223 

 Ferments, 34, 41,223 



in industries, 36 

 Fever, 60 

 Flagella, 27, 30 

 Flagellata, 200 



Flies, in transmission of disease, 

 63, 110 



tsetse, 205 



Formaldehyde, 50, 51, 54 

 Formalin, 50, 51, 54 

 Friedlander's bacillus, 172 



pathogenic powers of, 



173 



Fungi, 21 

 Furunrulosis, 83 



G 



GENERATION, spontaneous, 19 

 Genus, 223 



