Part 26

De Vry, Mr., on the sugar-palm, 43

Dews, cause of heavy tropical, 10

Diagram of mean temperature at Batavia and London, 5 of rainfall at Batavia and London, 15

Dianthus alpinus, D. glacialis, 232

Distribution of humming-birds, 138

Dragons or flying-lizards, 113

Drugs from equatorial forest-trees, 36

Duke-of-York Island, pale-coloured insects of, 259 Islands, remarkable white plumaged birds of, 263

Dyes from equatorial forest-trees, 36

Dynastidæ, 95 probable use of horns of, 202

Earl, Mr. George Windsor, on division of Malay Archipelago, 307

Earth-sculpture or surface-geology, 250

Earthworks, North American, 292

Easter Island, sculptures on, 291

Eciton, genus of foraging ants, 87

Elateridæ, luminous species perhaps mimetic, 205

Emperor-moth, protective coloration of, 174

Environment, relation of living things to, 254

Epicalia, sexes of, differently coloured, 178

Epilobium angustifolium, E. parviflorum, 233

Epimachinæ, 150

Equator, cause of uniform high temperature near, 6 short twilight at, 21

Equatorial climate, general features of, 17 uniformity of in all parts of the world, 18 local diversities of, 19

Equatorial forests, general features of, 29

Equatorial forest-belt, cause of, 27

Equatorial heavens, aspect of, 23

Equatorial zone, temperature of, 3

Ethiopian Region, 317