Eos fuscata, dimorphism of, 155 (#x4_x_4_i51).
Equus, 299 (#x8_x_8_i45).
Eronia tritæa, 172 (#x5_x_5_i18);
valeria, 172 (#x5_x_5_i18).
Eroschema poweri, 93 (#x3_x_3_i36).
Erycinidæ mimic Heliconidæ, 84 (#x3_x_3_i25).
Erythroplatis corallifer, 92 (#x3_x_3_i36).
Estrelda, sexual colouring and nidification of, 243 (#x7_x_7_i32).
Eucnemidæ, mimicking a Malacoderm, 93 (#x3_x_3_i36).
Eudromias morinellus, 251 (#x7_pgepubid00084).
Euglossa dimidiata, 98 (#x3_x_3_i43).
Eumorphidæ, a protected group 72 (#x3_x_3_i9);
imitated by Longicorns, 92 (#x3_x_3_i36).
Euplœa, local modifications of colour in, 173 (#x5_x_5_i23).
Euplœa midamus, 87 (#x3_x_3_i29)-113 (#x4_x_4_i2), 179 (#x5_x_5_i32);
E. rhadamanthus, 87 (#x3_x_3_i29), 179 (#x5_x_5_i32).
Eurhinia megalonice, 172 (#x5_x_5_i18);
polynice, 172 (#x5_x_5_i18).
Eurylæmidæ, sexual colouring and nidification of, 243 (#x7_x_7_i32).
Extinct animals, intermediate forms of, 298 (#x8_pgepubid00098).
Extinction of lower races, 318 (#x9_x_9_i26).
Female birds, colours of, 114 (#x4_x_4_i3);
sometimes connected with their mode of nidification, 240 (#x7_x_7_i16);
more exposed to enemies than the males, 248 (#x7_x_7_i52).
Female butterflies generally dull-coloured, 259 (#x7_x_7_i79).
Female insects, mimicry by, 110 (#x3_x_3_i66), 259 (#x7_x_7_i79);
colours of, 113 (#x4_x_4_i2).
Female sex, has no incapacity for as brilliant colouration as the male, 247 (#x7_x_7_i51);
in some groups requires more protection than the male, 258 (#x7_x_7_i76).
Fishes, protective colouring of, 55 (#x2_x_2_i58).
Fissirostral birds, nests of, 238 (#x7_x_7_i11).
Flowers, causes of colour in, 127 (#x4_x_4_i20).
Flycatchers, genera of, absent from Celebes, 177 (#x5_x_5_i30).
Forbes, Edward, objections to his theory of Polarity, 17 (#x1_x_1_i253)-23 (#x2_x_2_i3).
Force is probably all Will-force, 366 (#x10_x_10_i30).
Galapagos, 10 (#x1_x_1_i245).
Galton, Mr., on range of intellectual power, 339 (#x9_x_9_i58).
Ganocephala, 298 (#x8_pgepubid00098).
Gastropacha querci, protective colour and form of, 62 (#x2_x_2_i66).
Gaudry, M., on fossil mammals of Greece, 299 (#x8_x_8_i45).
Geographical distribution, dependent on geologic changes, 1 (#x1_pgepubid00004);
its agreement with law of introduction of new species, 9 (#x1_x_1_i242);
of allied species and groups, 12 (#x1_x_1_i247).
Geological distribution analogous to geographical, 13 (#x1_x_1_i248).
Geology, facts proved by, 2 (#x1_x_1_i221)-5 (#x1_x_1_i230).
Giraffe, how it acquired its long neck, 42 (#x2_x_2_i34).
Glæa, autumnal colours of this genus, 62 (#x2_x_2_i66).
Gould, Mr., on sexual plumage of Gray Phalarope, 115 (#x4_x_4_i5);
on incubation by male Dotterell, 115 (#x4_x_4_i5).
Grallina australis, 254 (#x7_x_7_i68).