INDEX. 



695 



Mucorini of Nageli, 11 



Mucus, gerrnicidal power of, 210 



Miiiicke's thermo-regalator. 92 



Muscarini, 147 



Mushrooms, toxic principle of, 147 



Mussels, toxic principle in, 148 



Mustard, antiseptic power of, 203 



oil of, antiseptic power of, 200 

 Mycelium of moulds, 614 

 Mycoderma, 64 



acetic acid produced by, 137 

 Mycophylaxin, 265 

 Mykoprotein, 124 

 Myrtle, antiseptic value of, 203 



NAOELI'S classification of bacteria, 11 

 Nails, finger, surgical care of, 217 

 IS" ail-shaped growth of stab cultures, 397 

 Naphthol, disinfectant power of, 205 

 Nasal catarrh, pus cocci in, 390 

 Natural culture media, 37 

 Neapolitan fever, micrococcus of, 420 

 Negro, insusceptibility of, to yellow 



fever, 234 

 Neisser's gonococcus, 226 



discovery of, 7 



stain for bacillus diphtherias, 457 

 double staining of spore prepara- 

 tions, 31 



Nematogenes of Colin, 11 

 Neuridin, 146 

 Neurin, 147 



Nickel sulphate as an antiseptic, 193 

 Nicolaier's capsule bacillus, 560 



discovery of the tetanus bacillus, 8 

 Nitrates, reduction of, 144 

 Nitric acid as a decolorizer in staining, 



28 

 influence of, on bacterial growth, 



181 

 action of, on micrococcus pneu- 



monise crouposse, 405 

 Nitrification produced by bacteria, 144 

 Nitrogen necessary for bacterial growth, 



126 

 dioxide, influence of, on bacterial 



growth, 175 

 Nitrous acid as a test for indol, 151 



influence of, on bacterial growth, 

 181 



Nitrous oxide, influence of, on bacterial 



growth, 175 

 Non-liquefying bacteria, 16 



characters of growth in stab 



cultures, 70 



Non-motile bacteria, 16 

 Non-pathogenic bacteria from the mouth, 



656 



from the nose, 656 

 list of species from faeces, 663 

 Nose, bacteria found in the, 650, 656 

 Nosema bombycis, 415 

 Nosophen, 179 

 Nuclein, the gerrnicidal constituent of 



blood serum, 239 



Nucleins, germicidal power of, 210 

 Nutmeg, antiseptic power of, 203 

 Nutrient agar (see Agar, nutrient) 

 gelatin (see Gelatin, nutrient) 

 NuttalTs method of estimating bacilli in 

 tuberculous sputum, 479 



OIL light, Borden's method of photograph- 

 ing by, 111 

 Oleic acid, influence of, on bacterial 



growth, 183 

 Olive oil, no influence on anthrax spores, 



206 



Onion, antiseptic power of, 203 

 Opopanax, antiseptic power of, 203 

 Orange of Portugal, antiseptic power of, 



203 



Origanum, antiseptic power of, 203 

 Orthochromatic photographic plates, 105, 



113 



Orthocresol, germicidal power of, 202 

 Orthophenol, germicidal power of, 197 

 Ose, 74 

 Osmic acid, fatal to anthrax spores, 



181 

 Osteomyelitis, micrococcus of, 373 



thermal death-point of, 375, 378 

 Otitis "media, micrococcus pneumonias 



crouposse in, 402 

 pus cocci present in, 389 

 Oxalic acid, action of, on bacteria, 182 

 Oxychinaseptol. antiseptic power of, 202 

 Oxycyanide of mercury as a disinfectant, 



192 

 Oxygen, as a disinfecting agent, 172 



