INCIPIENT MOULDS, 256, 264 
Incredulity concerning my experi- 
mental results, 97-110 
Incubating temperatures, high, 128-130 
Inductions of Pasteur, 33 
Infusion of cucumber, 195; of hay, 
IOI-103, 194; of potato, 195; of 
turnip, 100-106 
Infusoria, ciliated, 292 
Infusoria, thermal death-point of, 55 ; 
heterogenetic origin of, 292 
Inhabited worlds, multitudes of, 1 
Inorganic evolution, 10, 19 
Interpretation, general, of experi- 
mental results, 279-282; of my 
experiments by Pasteur, 177-180; 
disproof of this explanation, 180- 
189 
JoLy and Musset, 120 
Joubert and Pasteur, 156, 178, 183, 
187, 231 
KELVIN, Lord, 24 
Koch, Dr, 70 
Kiihne, Prof., 55 
LE Bon, Gustave, 18 
Lehmann and Neumann, 85, 255, 300, 
394, 313 
Leptothrix, 102-105, 136 
Leucippus, 4 
Leuconostoc, 255 
Liebig, Baron, 61 
Life and boiling water, 45-52; mode 
of origin of, xvii, 35 ; notions con- 
cerning, xv; origin of, 24, 26 
Lister, Lord, 77, 131, 184, 188 
Living matter, origin of, 20, 263; in 
multiple sites and times, 21; as 
minute specks, 30; its growth in 
ammonium tartrate solutions, 284 ; 
different organisms growing side by 
side, 285; proclivity to formation 
of, 284 
Liquor potassz and urine, experiments 
with, 130-150; by M. Pasteur, 173- 
176; by Prof. Tyndall, 151-153; 
by Sir Wm. Roberts, 151-153; ex- 
cess of liquor potassze harmful, 149 ; 
interpretation of results, 147-150 
Liquor potassze, no germs in, 186 
Liquor potassz tubes, 137-140 ; super- 
heating of, 152; supposed to con- 
tain living germs, 148, 154-158 


INDEX — 317 
Lockyer, Sir Norman, 3, 10, 12, 14 
Loculated Micrococci, 254 
Lodge, Sir Oliver, 7 
Lowest organisms, present day exist- 
ence of, 293 
Lumps, protective influence of, 110 
M‘CALL, Mr, 111, 114 
Macfadyen, Dr Allan, 67, 235, 272 
Mackeown, Dr, 304 
M‘Weeney, Dr, 302 
Mantegazza, Prof., 89 
Matter, complexity of, 8 
Max-Schultze, 53, 55 
Microbes, convertibility of, 300 
Micrococci, filaments from, 271-273 ; 
in loculi, 254, 271-273; in milk, 
206 ; in superheated infusions, 196 ; 
in unboiled urine, 184, 187-189; 
origin of, 209 
Micro-organisms, bodies simulating, 
247 ; death-point of, 229, 280-282 ; 
proof of their de ovo origin, 280- 
282; variability of, 291 
Milk, superheated, changes in, 205 
Mill, John Stuart, 30 
Milne Edwards, 158, 161-163, 166 
Minute specks, origin of living mat- 
ter as, 30, 35 
Misrepresentations of author’s views, 
296 
Molecular complexity of protoplasm, 
291 
Moseley, H. M., 97 
Mould, in solutions of silica, 240; 
spores of, death-point of, 65 
NATURAL selection and heredity, 
397 
Nature, uniformity of, 28 
Needham, Turberville, xv, 44, 87, 90 
Neutral fluids, cause of fertility of, 
133-150, 167; death-point of germs 
in, 120-127 
Newcomb, Prof. Simon, 1 
Newman, Dr George, 259 
Non-nucleated organisms and _ hered- 
ity, 307 
Note by M. Pasteur, 157 
Nourishing fluids, 58, 86 
OLD hay germs, 78, 219 
Omne vivum ex vivo, 30 
Optimum temperature, 128 
Organic evolution, 19, 22 
