Palaeornis javanicus, colour of beak of.
Palaeornis rosa, young of.
Palamedea cornuta, spurs on the wings.
Paleolithic period.
Palestine, habits of the chaffinch in.
Pallas, on the perfection of the senses in the Mongolians; on the want
of connexion between climate and the colour of the skin; on the
polygamous habits of Antilope Saiga; on the lighter colour of horses
and cattle in winter in Siberia; on the tusks of the musk-deer; on the
odoriferous glands of mammals; on the odoriferous glands of the
musk-deer; on winter changes of colour in mammals; on the ideal of
female beauty in North China.
Palmaris accessorius, muscle variations of the.
Pampas, horses of the.
Pangenesis, hypothesis of.
Panniculus carnosus.
Pansch, on the brain of a foetal Cebus apella.
Papilio, proportion of the sexes in North American species of; sexual
differences of colouring in species of; coloration of the wings in
species of.
Papilio ascanius.
Papilio Sesostris and Childrenae, variability of.
Papilio Turnus.
Papilionidae, variability in the.
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