Part 26

Evolution, planetary, 139.

Explosive Forces, 182–194.

Eye, 71, 227.

Eye-pieces, 47, 63.

Fabricius’s Observations, 8.

Fact and Fancy, 175.

Factory, 73.

Faculæ, 32, 33.

Falling, 242, 243.

Falling Stars, 193. (See Meteors, Shooting.)

Faraday, Michael, 76.

Fault, technical term, 156.

Faust, 139.

Faye: theory, 29–32; on Comets’ Tails, 212.

Fern-like Forms, 25, 26.

Filaments, 25–27, 30, 55, 56, 65, 66, 68.

Fire, in sun (q. v.), 92. (See Flames, Heat.)

Fixed Stars, 233.

Flame-like Appearances, 23, 24.

Flames, 65, 66, 69, 185.

Flashes, 189, 195.

Flax, 111.

Flowers, color (q. v.), 70. (See Rose, Plants.)

Foliage-forms, 32.

Fontenelle’s Story, 133.

Forbes’s Observations, 38, 39.

Frankenstein, 221.

Franklin’s Discoveries, 76.