The Descent of Man, and Selection in Relation to Sex

by Charles Darwin

Harris, J.M., on the relation of complexion to climate.

Harris, T.W., on the Katy-did locust; on the stridulation of the grasshoppers; on Oecanthus nivalis; on the colouring of Lepidoptera; on the colouring of Saturnia Io.

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.