The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)
i. 193;
on the contrast in the characters of the Malays and Papuans, i. 216; on the line of separation between the Papuans and Malays, i. 218; on the sexes of _Ornithoptera Croesus_, i. 310; on protective resemblances, i. 322; on the relative sizes of the sexes of insects, i. 346; on _Elaphomyia_, i. 349; on the Birds of Paradise, i. 269; on the pugnacity of the males of _Leptorhynchus angustatus_, i. 375; on sounds produced by _Euchirus longimanus_, i. 381; on the colours of _Diadema_, i. 388; on _Kallima_, i. 392; on the protective colouring of moths, i. 394; on bright coloration as protective in butterflies, i. 395; on variability in the Papilionidae, i. 402; on male and female butterflies inhabiting different stations, i. 403; on the protective nature of the dull colouring of female butterflies,