INDEX. 
239 
Blackgang Chine, 109 
Bones of the ear, 138 
Bonn, solid matter carried past, 106 
Breathing and burning, 54 
Brood-comb of bees, 204 
Brook, song of the, 143 
Burning and breathing, 54 
Buttercup, honey-glands in, 215 
Buxton, Poole's Cavern, near, 115 
CALAMITES OF THE COAL, 181 
Calyx, use of, 163 
Canons of Colorado, 1 1 1 
Carbon in plants, 158 
in sugar, 159 
Carbonate of lime crystals, 115 
Carbonic acid in air, 55 
Cardboard of colours, revolving, 41 
Carruthers, Mr., cited, 178, 181 
Caverns, stalactitic, 115 
Caves on sea-shore, 118 
Cells of a plant, 154 
of bees, 200 
Chalk-builders, 4, 97 
Chemical action, 12, 16, 53 
rays, 48 
Chlorophyll in leaves, 158 
Cissy and the drops, 14 
City of the bees, 193 
Clerk-Maxwell on ether, 35 
Clouds, how formed, 75, 78 
Club-moss and coal-plants, 179 
Coal, a piece of, 172 
essences from, 190 
imprisoned fairies in, 1 1 
its growth and purity, 183-185 
oils, tar, and gas of, 189 
ball, contents of a, 1 78 
fields of England, 187 
-forest, picture of a, 180 
-gas, making of, 188 
-mine, section of a, 1 74 
Coal-plants, what they have done 
for us, 190 
Cobwebs and dewdrops, 84 
Cochlea of ear, 139 
Cocoon of bees t 203, 205 
Cohesion and its work, 8, 12, 80 
Coke, 188 
Colorado canons, III 
Colour, bees distinguish, 2l6 
Colours, cause of, 44 
revolving disk of, 41 
Coral, Huxley on, 21 
picture of, 20 
-island, 23 
Corolla, use of, 166 
Corti's organ, 140 
Country, sounds of the, 126 
Crevasses, 120 
Crystallization, 87, 89 
a fairy force, 10 
Crystals in sugar-candy, 86 
how they form, 89 
in many substances, 87 
of sea-salts, 96 
of snow, 89 
Cumberland, rain in, 8l 
DAISY, opening of the, 217 
closing in rain, 218 
Darwin, Mr., cited, 231-233 
Dead-nettle, structure of the, 223 
Deltas, 114 
Deposition of mud, 1 13 
Dew, how formed, 83 
artificial, 84 
Distillation of water from seas, 92 
Drones, slaughter of, 208 
EAR, construction of the, 136 
stones, 139 
Earth, its size compared to the sun, 
29 
