Part 61

Resistance, laws of, for bodies travelling in air and fluids, 333 et seq.

Resonance, corporeal, 392.

Response of sonorous bodies, 25.

Retina, the corresponding spots of 98; nerves of compared to fingers of a hand, 96 et seq.

Reversible processes, 161 et seq., 175, 176, 181, 182.

Rhine, the, 94.

Richard the Third, 77.

Riddles, 277.

Riders, 379.

Riegler, 319.

Riess, experiment with the thermo-electrometer, 133 et seq., 169.

Rigid connexions, 142.

Rind of a fruit, 190.

Rings of oil, illustrating formation of rings of Saturn, 5.

Ritter, 291, 299.

Rods of Corti, 19.

Rolph, W. H., 216.

Roman Church, Latin introduced with the, 340 et seq.

Romans, their provinciality and narrow-mindedness, 270.

Romeo and Juliet, 87.

Römer, Olaf, 51 et seq.

Roots, the nature of, in language, 252.

Rosetti, his experiment on the work required to develop electricity, 131.

Rotating bodies, 285.

Rotation, apparatus of, in physics, 59 et seq.; sensations of, 288 et seq.

Rousseau, 336.

Rubber pyramid, illustrating the principle of least superficial area, 10-11.

Ruysdael, 279.