;
on physics and chemistry, 188;
quoted, 280.

Energy, relation of life to, 177-183;
atomic, 204.
_See also_ Creative energy _and_ Force.

Energy, biotic, 106-111, 145, 146.

England, 250.

Entities, 99, 100.

Environment, 86-88.

Enzymes, 167.

Ether, the, omnipresent and all-powerful, 61, 62;
its nature, 62, 63;
its finite character, 65, 66;
paradoxes of, 66.

Ethics, and the mechanistic conception, 12.

Evolution, creative impulse in, 6, 111;
progression in, 13, 14;
and the arrival of the fit, 244-253;
creative, 251-253;
evolution of life bound up with the evolution of the world, 281-283;
creative protoplasm in, 286;
a cosmic view of, 289.

Explosives, 43.

Fire, chemistry of, 54.

Fiske, John, on the soul and immortality, 4;
on the physical and the psychical, 75, 183.

Fittest, arrival and survival of the, 244-253.

Force, physical and mental, 3-5;
and life, 17-23;
dissymmetric force, 22;
the origin of matter, 43, 44.
_See also_ Energy.

Galls, 147, 154-156.

Ganong, William Francis, on life, 181.

Germany, in the War of 1914, 249-251.

Glaser, Otto C., quoted, 98.

Goethe, quoted, 111, 221, 260, 280;
as a scientific man, 221.

Gotch, Prof., quoted, 270.

Grafting, 40, 41.

Grand Canon of the Colorado, 225, 228, 229.

Grape sugar, 208.

Growth, of a germ, 217, 218.

Haeckel, Ernst, 3, 285;
on physical activity in the atom, 25, 26;
his "living inorganics," 91;
on the origin of life, 161;
on inheritance and adaptation, 184;
his "plastidules," 217;
a contradiction in his philosophy, 256.

Hartog, Marcus, 129.

Heat, changes wrought by, 55, 56;
detection of, at a distance, 60.

Helmholtz, Hermann von, on life, 25, 161.

Henderson, Lawrence J., his "Fitness of the Environment," 73;
his concession to the vitalists, 83, 85;
on the environment, 86-88;
a thorough mechanist, 88, 89.

Horse-power, 177, 178.

Hudson River, "blossoming of the water," 283.

Huxley, Thomas Henry, on the
properties of protoplasm, 31, 126, 127;
on consciousness, 95, 181, 262;
on the vital principle, 101, 126, 127, 140;
his three realities, 140;
a contradiction in his philosophy, 255, 256.

Hydrogen, the atom of, 65.

Idealist, view of life, 218-222.

Inorganic world, beauty in decay in, 228, 229.

Intelligence, characteristic of living matter, 134, 139, 151-154;
pervading organic nature, 223.

Irritabi