Part 25

Dog, anecdote of, 42. (See Animals.)

Donati, 201, 204, 205, 207, 209, 213, 217. (See Comets.)

Double Stars, 233.

Draper, Professor Henry, 128, 246, 247.

Ducks, noise, 188.

Dust, 34, 100, 101, 102, 105, 197.

Dynamite, 182, 185, 220.

Earth: relations, 3, 4; description difficult, 6; temperature (q. v.), 34, 101; a string of earths, 96; stars like, 118; seen from outside, 133–135; craters, 148.

Earthquakes, 220. (See Charleston.)

Earth-shine, 167, 172.

Eclipses: total, 7, 37; screen, 36; three, 39, 55; partial, 40; singular gloom, 39–43; causing fright, 43; colors (q. v.), 48, 56, 61, 65, 66; (1842), 41; (1857), 48; (1869), 39, 40; (1870), 44, 61; (1871), 50, 66, 68; (1878), 38, 50, 57, 58. (See Total.)

Egypt, 116, 234. (See Pyramids.)

Electricity, 13, 75, 76.

Electric Light, 7.

Electric Spark, 242. (See Lightning.)

Electric Storm, 84, 85, 88.

Elizabeth, Queen, 115.

Engine-power, 98, 111.

England: fleets, 2; coal, 115. (See Britain, London.)

Engraving, 17.

Enigma, 228.

Ephemera, 250, 251.

Equatorial Landscape, 13, 17, 18, 47.

Equatorial Telescope, 122.

Ericsson: engravings, 112, 113; discoveries, 163.

Eruptive Promontories, 66–68.

Etna, 164, 181.

Europe, size, 25.