Part 41

Conical refraction, 29, 242.

Conservation of energy, 137 et seq. See Energy.

Conservation of weight or mass, 203.

Consonance, connexion of the simple natural numbers with, 33; Euclid's definition of, 33; explanation of, 42; scientific definition of, 44; and dissonance reduced to beats, 376, 370, 383.

Consonant intervals, 43.

Constancy of matter, 203.

Constant, the dielectric, 117.

Constants, the natural, 193.

Continuum of facts, 256 et seq.

Cornelius, 388, footnote.

Corti, the Marchese, his discovery of minute rods in the labyrinth of the ear, 19.

Coulomb, his electrical researches, 108, 109, 113; his notion of quantity of electricity, 173; his torsion-balance, 168.

Crew, Prof. Henry, 317, footnote.

Criticism, Socrates the father of scientific, 1, 16.

Critique of Pure Reason, Kant's, 188.

Crucible, derivation of the word, 49, footnote.

Crustacea, auditory filaments of, 29, 272, 302.

Cube of oil, 5.

Culture, ancient and modern, 344.

Currents, chemical, 118; electrical, 118; galvanic, 132; measurement of electrical, 135-136; of heat, 244, 249-250; strength of, 250.

Curtius, 356.

Curved lines, their asymmetry, 98.

Curves, how their laws are investigated, 206.

Cycles, reversible, Clausius on, 176.

Cyclical processes, closed, 175.

Cyclops, 67.

Cyclostat, 298.

Cylinder, of oil, 6; mass of gas enclosed in a, 179.