Elaps fulvius, E. corallinus, E. lemniscatus, 101; E. mipartitus, E. lemniscatus, E. hemiprichii, 102.
ENODES, 196.
ENNOMUS, autumnal colours of this genus, 62.
Eos fuscata, dimorphism of, 155.
EQUUS, 299.
Eronia tritaea, 172; valeria, 172.
Eroschema poweri, 93.
ERYCINIDAE mimic Heliconidae, 84.
Erythroplatis corallifer, 92.
ESTRELDA, sexual colouring and nidification of, 243.
EUCNEMIDAE, mimicking a Malacoderm, 93.
Eudromias morinellus, 251.
Euglossa dimidiata, 98.
EUMORPHIDAE, a protected group 72; imitated by Longicorns, 92.
EUPLOEA, local modifications of colour in, 173.
Euploea midamus, 87-113, 179; E. rhadamanthus, 87, 179.
Eurhinia megalonice, 172; polynice, 172.
EURYLAEMIDAE, sexual colouring and nidification of, 243.
EXTINCT animals, intermediate forms of, 298.
EXTINCTION of lower races, 318.
FEMALE birds, colours of, 114; sometimes connected with their mode of nidification, 240; more exposed to enemies than the males, 248.
FEMALE butterflies generally dull-coloured, 259.
FEMALE insects, mimicry by, 110, 259; colours of, 113.
FEMALE sex, has no incapacity for as brilliant colouration as the male, 247; in some groups requires more protection than the male, 258.
FISHES, protective colouring of, 55.
FISSIROSTRAL birds, nests of, 238.
FLOWERS, causes of colour in, 127.
FLYCATCHERS, genera of, absent from Celebes, 177.
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