Ischio-pubic muscle.
Ithaginis cruentus, number of spurs in.
Iulus, tarsal suckers of the males of.
Jackals learning from dogs to bark.
Jack-snipe, coloration of the.
Jacquinot, on the number of species of man.
Jaeger, Dr., length of bones increased from carrying weights; on the
difficulty of approaching herds of wild animals; male Silver-pheasant,
rejected when his plumage was spoilt.
Jaguars, black.
Janson, E.W., on the proportions of the sexes in Tomicus villosus; on
stridulant beetles.
Japan, encouragement of licentiousness in.
Japanese, general beardlessness of the; aversion of the, to whiskers.
Jardine, Sir W., on the Argus pheasant.
Jarrold, Dr., on modifications of the skull induced by unnatural
position.
Jarves, Mr., on infanticide in the Sandwich Islands.
Javans, relative height of the sexes of; notions of female beauty.
Jaw, influence of the muscles of the, upon the physiognomy of the apes.
Jaws, smaller proportionately to the extremities; influence of food
upon the size of; diminution of, in man; in man, reduced by
correlation.
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