Part 19

Brain, evolution of, 288.

Breathing, mechanics and chemistry of, 50-54, 213.

Brooks, William Keith, quoted, 128, 236.

Brown, Robert, 191; the Brunonian movement, 167, 172, 191.

Brunonian movement, 167, 172, 191.

Butler, Bishop, imaginary debate with Lucretius, 219, 220.

Carbon, 38, 56, 59; importance, 208.

Carbonic-acid gas, 52, 53.

Carrel, Dr. Alexis, 98, 148.

Catalysers, 135, 136.

Cell, the, 83-85, 90, 96, 97, 180; Wilson on, 95; living after the death of the body, 98; Prof. Benjamin Moore on, 107; nature of, 113; aimless multiplication, 148, 233; the unit of life, 156; communistic activity, 157, 158, 184; a world in little, 170; mystery of, 175; different degrees of irritability, 216, 217.

Changes in matter, 131, 133.

Chemist, in the body, 152, 153.

Chemistry, the silent world of, 49-54; wonders worked by varying arrangement of atoms, 56-60; leads up to life, 188; a new world for the imagination, 189-192; chemical affinity, 193-195; various combinations of elements, 205-208; organic compounds, 209; mystery of chemical combinations, 210; chemical changes, 210, 211; powerless to trace relationships between different forms of life, 231, 232; cannot account for differences in organisms, 233, 234.

Chlorophyll, 77, 113, 168, 169, 177, 235.

Colloids, 76, 108, 135, 136.

Conn, H. W., on mechanism, 91-94.

Consciousness, Huxley on, 95, 181, 262.

Corpuscles, speed in the ether, 65.

Creative energy, immanent in matter, 9, 21; its methods, 263.

Crystallization, 276, 277.

Czapek, Frederick, on vital forces, 133, 152; on life, 164, 166, 169; on enzymes in living bodies, 167.

Darwin, Charles, quoted, 9; on force of growing radicles, 19; a contradiction in his philosophy, 254, 255.

Electricity, in the constitution of matter, 46-49; a state of the ether, 63; power from, 67, 68; the most mysterious thing in inorganic nature, 223.

Electrons, knots in the ether, 63; size and weight, 196; speed, 197; matter dematerialized, 197; bombardment from, 201, 202; revolving in the atom, 203; surface, 203; compared with atoms, 203; properties of matter supplied by, 204.

Elements, of living bodies, 38, 39, 77, 78; analogy with the alphabet, 57-59, 206; undergoing spontaneous change, 67; various combinations, 205-208; eagerness to combine, 209. See also Atoms.

Eliot, George, on the development theory, 103.

Elliot, Hugh S. R., on mechanism, 16.