INDEX 



337 



Nitrite formers, 70 

 oxidation, 100 



NiTROBACTERIE-E, 47 



Nitrobader, 47 

 Nitrogen, absorption, 103 



in bacterial cell, 62, 70 



circulation of, 95, 105 



cycle, 94 



fertilizers, 105, 106 



liberation of, 91, 100 



metabolism of, 70 



nutrition of green plants, 105 

 Nitrosotnonas, 47 

 Nitrous bacteria, 66, 101, 104 

 Non-electrolji:es, 165 

 Non-pathogenic, 67 

 Non-specific disease, 229 

 Normal agglutinins, 262 



chemical solution, 161 



opsonic index, 280, 281 



serum, 268 



solution, 161 

 Nosema hombycis, 308, 314 

 NovY, 179 



jar, 188, 189 



mass cultures, 185, 186 

 Noxious retention theory, 252 

 Nuclein, 27, 64 

 Nucleoprotein, 27 

 Nucleus, 26, 27 

 Nutrition of green plants, 105 



NUTTAL, 267 



Obermeier, 309, 315 

 Objective, oil immersion, 197 

 Oblique germination of spore, 34 

 Occurrence of bacteria, 49 

 Official classification, 45 

 Oidium albicans, 306, 314 

 Oil, essential, for clearing, 206 



immersion objective, 197 



paraffin, 187 



relation of bacteria to, 80 

 Omodei, 306 



Opsonic index, 280, 281, 285, 286 

 normal, 280, 281 



method, 281, 285 



power, 280 

 Opsonin, 279 

 Opsonins, 279, 280, 294 

 22 



Optimum conditions, 50 

 Order, receptors of first, 257 

 of second, 261 

 of third, 267 

 Organic acids, 64, 96 



catalyzers, 109 



compounds, 145 

 Organisms, dissemination in body, 

 243 



filterable, 230 



mechanism of entrance of, 243 



nitric, 66 



nitrous, 66 



pathogenic, ehmination of, 243 

 entrance of, 239 

 Organized ferments, 112 

 Origin of antibodies, 294 

 Osmotic pressure, 58, 135, 213 

 Otitis media, 240 

 Otto, 288 



Overproduction theory, 253, 254 

 Owen, 306, 313 

 Oxidation, 100 



of alcohol, 100 



of arsenites, 102 



of carbon, 68, 100 



of nitrites, 100 



of sulphide of hydrogen, 101 



of sulphur, 101 

 Oxidizing enzymes. 111 

 Oxygen, compressed, 57 



as disinfectant, 142, 143 



function of, 69 



limits, 57 



metabohsm, 69 



nascent, 57, 143 



relationships, 212 



requirement, 69 



source of, 56 

 Oyster sensitization, 291 

 OZNAM, 305 



Ozone, 57, 136, 143 



Pancreas, 244 

 PapHlate, 218 

 Paget, 306, 313 

 Paraffin oil, 187 

 Parasites, definition of, 67 

 facultative, 67 



