Maxwell, James Clerk, on the ether, 63;
  on atoms, 198.

Mechanism, the scientific explanation of mind, 5;
  and ethics, 12;
  reaction against, 32;
  definition, 72;
  Prof.  Henderson’s view, 88, 89;
  vs. vitalism, 212-243.
  See also Life.

Metaphysics, necessity of, 101.

Micellar strings, 217.

Microbalance, 60.

Mind, evolution of, 287, 288.
  See also Intelligence.

Molecules, spaces between, 65, 196;
  speed, 192;
  unchanging character, 205, 206.

Monera, 285.

Moore, Benjamin, a scientific vitalist, 106;
  his “biotic energy,” 106-113, 145, 146.

Morgan, Thomas Hunt, 148.

Motion, perpetual, 190, 191, 278;
  mass and molecular, 269, 270.

Naegeli, Karl Wilhelm von, 217.

Nitrogen, 51.

Nonentities, 99, 100.

Odors, 198, 199.

Osmotic growths, 167, 168.

Oxygen, activities of, 51, 52, 59;
  in the crust of the earth, 193;
  chemical affinities, 193-195;
  different forms of atoms, 200.

Parker, Theodore, on the universe, 280.

Parthenogenesis, artificial, 11, 74.

Pasteur, Louis, his “dissymmetric force,” 22, 32.

Philosophy, supplements science, 94-96, 104, 109, 163, 164;
  deals with fundamental problems, 242, 243;
  contradictions in, 254-258.

Phosphorus, 59, 60.

Physics, staggering figures in, 192.

Pitch lake, 123.

Plants, force exerted by growing, 17-20.

Plasmogen, 145, 146.

Plastidules, 217.

Protobion, 135.

Protoplasm, vitality of, 169;
  creative, 286.

Radio-activity, 66-70, 132.

Radium, 61, 201.
  See also Beta rays.

Rainbow, 70.

Ramsay, Sir William, 191, 192.

Rand, Herbert W., on the mechanistic view of life, 89, 90.

Russia, 250, 251.

Salt, crystallization, 276, 277.

Schaefer, Sir Edward Albert, 73;
  his mechanistic view of life, 133-138.

Science, delicacy of its methods and implements, 60, 61;
  limitations of its field, 94-100, 104;
  cannot deal with life except as a physical phenomenon, 161, 162;
  does not embrace the whole of human life, 162, 163;
  inadequacy, 163-166;
  cannot grasp the mystery of life, 173, 175, 176, 234-236;
  cannot deal with fundamental problems, 242, 243;
  concerns itself with matter only, 264;
  inevitably mechanistic, 265, 266;
  views the universe as one, 267, 268, 271-274;
  the redeemer of the physical world, 269-271, 276;
  spiritual insight gained through, 278.

Sea-urchins, Loeb’s experiments, 147.

Seed, growth of, 217, 218.

Soddy, Frederick, 46, 66;
  on vital force, 133;
  on rainbows and rabbits, 174;
  on the relation of life to energy, 177-180;
  on the atom, 197, 198;
  on atomic energy, 204.