Falkland Islands, horses of.
Fallow-deer, different coloured herds of.
Famines, frequency of, among savages.
Farr, Dr., on the effects of profligacy; on the influence of marriage
on mortality.
Farrar, F.W., on the origin of language; on the crossing or blending of
languages; on the absence of the idea of God in certain races of men;
on early marriages of the poor; on the middle ages.
Farre, Dr., on the structure of the uterus.
Fashions, long prevalence of, among savages.
Faye, Prof., on the numerical proportion of male and female births in
Norway and Russia; on the greater mortality of male children at and
before birth.
Feathers, modified, producing sounds; elongated, in male birds;
racket-shaped; barbless and with filamentous barbs in certain birds;
shedding of margins of.
Feeding, high, probable influence of, in the pairing of birds of
different species.
Feet, thickening of the skin on the soles of the; modification of, in
man.
Felis canadensis, throat-ruff of.
Felis pardalis and F. mitis, sexual difference in the colouring of.
Female, behaviour of the, during courtship.
Female birds, differences of.
Females, presence of rudimentary male organs in; preference of, for
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