318 
Organisms and crystals, 289 
Organisms, growth of, in ammonium 
tartrate solutions, 235 
Origin of Infusoria by heterogenesis, 
292 
Origin of life, 20, 24; in multiple 
sites and times, 21 ; in other worlds, 
22 
Origin of plague, 304 ; of septicaemia, 
301 ; of tubercle bacillus, 306, 308, 
311; of living things, xvii 
Ostwald, Prof., 278 
Oxygen, stimulating fermentation, 145 
PARK, Dr W.. Ti.,:250, 282 
Pasteur, Louis, 31, 32, 33, 44, 58, 59, 
89, 95; 118-127, 131, 133, 157, 168- 
170, 173-180, 183, 187, 188, 212, 
227, 231,-285 
Pasteur and Joubert, 156 
Pasteur’s solution, 57 
Pathogenic from non-pathogenic or- 
ganisms, 300, 306 
Peptone replacing cheese, 108 
Pest, 304 
Phthisical sputa, 308-310 
Phthisis, changes of doctrine concern- 
ing, 308; spread of, by contagion 
only, 308; evidence against this 
view, 308-312 
Pickering, Prof., 14 
Plague, possible mode of origin of, 
304 
Planets, are they inhabited, 2, 25 
Platinum electrodes in flasks, 145 
Potash favouring fermentation, 116- 
118 
Potency of boiling water, 259 
Pouchet, M., xv, 55, 89, 90 
Procter, R. A., 2 
Proto-elements, 14 
Protoplasms, molecular complexity of, 
291 ; unity of, 43 
Protyle, 5, 15 
Pure urine, appearance of bacilli in, 
188; different micro-organisms in, 
almost at will, 189; experiments 
with, 184, 187-189 
QUINCKE, Prof., 275 
RADIUM, 8, 16; emanation of, 16 
Ramsay, Sir Wm., 16, 235 
Rats, as spreaders of plague, 305 
THE EVOLUTION OF LIFE 


Revelations of spectroscope, 3, 10 
Roberts, Sir Wm., 132, 151-153, 
167 
Roberts, Sir W. Chandler, 240, 278 
Robin, Charles, 165, 170 
Rutherford, Prof., 16 
SACCHAROMYCES, 
temperature, 229 
Saline solutions, effects of super- 
heating, 247, 274, 276; experi- 
ments with, 230-282; heated to 
too" C.,;-2553 heated to 115" C), 
261-264; heated to 120° C., 264; 
heated to 125° C., 265-267; heated 
to 130 C., 267-274 
Sanderson, Burdon, 57, 75, 98-107, 
108, 109, 178, 181, 182, 227, 228 
Sarcinz, 272 
Scarlet fever and diphtheria, 303 
Schwann, 88, go, I19, 120 
Sealed vessels, safety of, 38 
Sealing during ebullition, 91 
Sea-water, experiments with, 276 
Seeds and eggs, thermal death-point 
of, 45-52 
Septiczemia, origin of, 301 
Silica, effects of superheating, 266, 
274; and change of in uviol tubes, 
266; 275 
Silicate solutions, composition of, 249- 
251; effects from  superheating, 
274; examination of, 244-246; 
growth of mould in, 240; micro- 
organisms found in, 252-255; pre- 
paration of, 243 
Silicon, abundance of, in earth’s crust, 
278 ; as substitute for carbon, 239- 
242, 277 
Simplest kind of protoplasm, 236 
Soddy, F., 16 
living at high 
Sodium silicate, new experiments 
with, 243-282; old experiments 
with, 241 
Spallanzani, Abbé, experiments of, 
44-52, 87, 119 
Specific diseases and contagion, 298 
Specific from common microbes, 305 
Specific microbes, origin of 298-300 
Spectra of elements varying, 12 
Spectral lines of stars, 3, 13 
Spectroscope, II; revelations of, 3, 
10,23 
Spectrum analysis, II 
Spencer, Herbert, 27, 28,.31 
