Part 29

Iron: melting, 19, 107; appearance of cold, 25; in sun, 28; in man, 221; in stars, 236, 237. (See Steel.)

Ironstone, 188.

Ivy, 115.

Janssen’s Observations, 61.

Jevons, Professor, 80.

Joseph in Egypt, 90.

Jumping, 241, 242.

Jupiter, 79, 118, 124, 127–129, 156, 185, 229.

Kensington Museum, 221.

Kepler, on Comets, 219.

Kernels, 220.

Kew, 88.

Kirchoff’s Researches, 12.

Krakatao, 181, 185, 186.

La Harpe, quoted, 207.

Landscape, 169.

Langley, Prof. S. P.: drawings, 15, 16, 18, 19, 21, 22, 25, 28, 30; note-book, 24; expedition, 180; study of Reflection, 216. (See Allegheny, Pittsburg.)

Latent Power, 220.

Laws of Nature, 250, 251.

Leaf-like Appearances, 23. (See Willow.)

Lenses, 102, 103; Galileo’s, 123.

Leo, 195, 197.

Liais’s Drawing, 48, 50.

Lick Glass, 123.

Light: development, 13; day and night, 35; white (q. v.), 48; mental (see Eye), 71; from balloon, 179; transmitted, 227. (See Sun.)

Lightning, 75, 76, 242, 244, 245. (See Electric.)

Lily, 73. (See Flowers.)

Limited Express Train, 5.