INDEX. 
Mucorini of Nigeli, 11 
Mucus, germicidal power of, 210 
Miincke’s thermo-regulator, 92 
Muscarini, 147 
Mushrooms, toxic principle of, 147 
Mussels, toxic principle in, 148 
Mustard, antiseptic power of, 203 
oil of, antiseptic power of, 206 
Mycelium of moulds, 614 
Mycoderma, 64 
acetic acid produced by, 137 
Mycophylaxin, 265 
Mykoprotein, 124 
Myrtle, antiseptic value of, 203 
NAGeEtt’s classification of bacteria, 11 
Nails, finger, surgical care of, 217 
Nail-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 
tever, 234 
Neisser’s gonococcus, 226 
discovery of, 7 
stain for bacillus diphtherie, 457 
double staining of spore prepara- 
tions, 31 
Nematogenes of Cohn, 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- 
moniz croupose, 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 
695 
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 faces, 663 
Nose, bacteria found in the, 650, 656 
Nosema bombycis, 415 
Nosophen, 179 
Nuclein, the germicidal constituent of 
blood serum, 239 
Nucleins, germicidal power of, 210 
Nutmeg, antiseptic power of, 203 
Nutrient agar (see Agar, nutrient) 
gelatin (see Gelatin, nutrient) 
Nuttall’s method of estimating bacilli in 
tuberculous sputum, 479 
O11 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 pneumonia 
croupose in, 402 
pus cocci present in, 3889 
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 
