Harting, spur of the Ornithorhynchus.
Hartman, Dr., on the singing of Cicada septendecim.
Hatred, persistence of.
Haughton, S., on a variation of the flexor pollicis longus in man.
Hawks, feeding orphan nestling.
Hayes, Dr., on the diverging of sledge-dogs on thin ice.
Haymond, R., on the drumming of the male Tetrao umbellus; on the
drumming of birds.
Head, altered position of, to suit the erect attitude of man; hairiness
of, in man; processes of, in male beetles; artificial alterations of
the form of the.
Hearne, on strife for women among the North American Indians; on the
North American Indians notion of female beauty; repeated elopements of
a North American woman.
Heart, in the human embryo.
Heat, supposed effects of.
Hectocotyle.
Hedge-warbler, young of the.
Heel, small projection of, in the Aymara Indians.
Hegt, M., on the development of the spurs in peacocks.
Heliconidae, mimicry of, by other butterflies.
Heliopathes, stridulation peculiar to the male.
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