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642

* Fakirs, Indian, tortures undergone by, 118.
 * Falco leucocephalus, 484.
 * peregrinus, 408, 461.
 * tinnunculus, 408.
 * Falcon, peregrine, new mate found by, 408.
 * Falconer, H., on the mode of fighting of the Indian elephant, 513; on canines in a female deer, 514; on Hyomoschus aquaticus, 547.
 * Falkland Islands, horses of, 181.
 * Fallow-deer, different coloured herds of, 540.
 * Famines, frequency of, among savages, 46.
 * Farr, Dr., on the structure of the uterus, 38; on the effects of profligacy, 137; on the influence of marriage on mortality, 139, 140.
 * Farrar, F. W., on the origin of language, 87; on the crossing or blending of languages, 91; on the absence of the idea of God in certain races of men, 93; on early marriages of the poor, 138; on the middle ages, 141.
 * Fashions, long prevalence of, among savages, 576, 584.
 * Faye, Prof., on the numerical proportion of male and female births in Norway and Russia, 243; on the greater mortality of male children at and before birth, 243.
 * Feathers, modified, producing sounds, 377 et seq., 450; elongated, in male birds, 383, 403; racket-shaped, 384; barbless and with filamentous barbs in certain birds, 385; shedding of margins of, 393.
 * Feeding, high, probable influence of, in the pairing of birds of different species, 415.
 * Feet, thickening of the skin on the soles of the, 33; modification of, in man, 52.
 * Felis canadensis, throat-ruff of, 521.
 * pardalis and F. mitis, sexual differences in the colouring of, 534.
 * Female, behaviour of the, during courtship, 222.
 * birds, differences of, 470.
 * Females, presence of rudimentary male organs in, 162; preference of, for certain males, 214; pursuit of, by males, 221; occurrence of secondary sexual characters in, 225; development of male characters by, 227.
 * Females and males, comparative numbers of, 213, 215; comparative mortality of, while young, 216.
 * Femur and tibia, proportions of, in the Aymara Indians, 34.
 * Fenton, Mr., decrease of Maories, 184; infanticide amongst the Maories, 256.
 * Ferguson, Mr., on the courtship of fowls, 417.
 * Fertility lessened under changed conditions, 188.
 * Fertilisation, phenomena of, in plants, 222; in the lower animals, 222.
 * Fevers, immunity of Negroes and Mulattoes from, 193.
 * Fiber zibethicus, protective colouring of it, 542.
 * Fick, H., effect of conscription for military service, 134.
 * Fidelity of savages to one another, 118; importance of, 124.
 * Field-slaves, difference of, from house-slaves, 196.
 * Fijians, burying their old and sick parents alive, 102; estimation of the beard among the, 581; admiration of, for a broad occiput, 583.
 * Fiji Archipelago, population of the, 173.
 * Islands, beards of the natives, 560, 581; marriage-customs of the, 598.
 * Filial affection, partly the result of natural selection, 105.
 * Filum terminale, 23.
 * Finch, racket-shaped feathers in the tail of a, 384.
 * Finches, spring change of colour in, 393; British, females of the, 460.
 * Fingers, partially coherent, in species of Hylobates, 51.
 * Finlayson, on the Cochin Chinese, 578.
 * Fire, use of, 49, 145, 180.
 * Fischer, on the pugnacity of the male of Lethrus cephalotes, 300.
 * Fish, eagerness of male, 221; proportion of the sexes in, 249; sounds produced by, 347.