Part 37

Beats, 40-45, 377 et seq.

Beautiful, our notions of, variable, 99.

Beauty, objects of, in nature, 91.

Becker, J. K., 364, 369.

Beethoven, 39, 44.

Beginnings of science, 189, 191.

Belvedere Gallery at Vienna, 36.

Bernoulli, Daniel, on the conservation of living force, 149; on the vibrations of strings, 249.

Bernoulli, James, on the centre of oscillation, 149.

Bernoulli, John, on the conservation of living force, 149; on the principle of virtual velocities, 151.

Bible, parallel passages from, for language study, 356.

Binocular vision, 66 et seq.

Black, his theory of caloric, 138, 162; on quantity of heat, 166, 174; on latent heat, 167, 178; researches in heat generally, 244.

Blind cat, 303.

Bodies, heavy, seek their places, 224 et seq.; rotating, 285.

Body, a mental symbol for groups of sensations, 200-203; the human, our knowledge of, 90.

Boltzmann, 236.

Booth, Mr., 77.

Borelli, 217.

Boulder, a granite, 233.

Bow-wave of ships and moving projectiles, 323 et seq.

Boys, 317.

Bradley, 273.

Brahman, the, 63.

Brain, localisation of functions in, 210.

Breuer, 272, 282 et seq., 293, 298, 300, 301, 303, 306.

Brewster, his stereoscope, 73.

Bridge, invention of the, 264, 268.