INDEX.

Dytiscus, dimorphism in, 155.
Egyptian architecture, introduced, 225.
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 tritæa, 172; valeria, 172.
Eroschema poweri, 93.
Erycinidæ mimic Heliconidæ, 84.
Erythroplatis corallifer, 92.
Estrelda, sexual colouring and nidification of, 243.
Eucnemidæ, mimicking a Malacoderm, 93.
Eudromias morinellus, 251.
Euglossa dimidiata, 98.
Eumorphidæ, a protected group 72; imitated by Longicorns, 92.
Euplœa, local modifications of colour in, 173.
Euplœa midamus, 87-113, 179; E. rhadamanthus, 87, 179.
Eurhinia megalonice, 172; polynice, 172.
Eurylæmidæ, 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.

364