Vultures, selection of a mate by the female; colours of.

Waders, young of.

Wagner, R., on the occurrence of the diastema in a Kaffir skull; on the bronchi of the black stork.

Wagtail, Ray’s, arrival of the male before the female.

Wagtails, Indian, young of.

Waist, proportions of, in soldiers and sailors.

Waitz, Prof., on the number of species of man; on the liability of negroes to tropical fevers after residence in a cold climate; on the colour of Australian infants; on the beardlessness of negroes; on the fondness of mankind for ornaments; on negro ideas of female beauty; on Javan and Cochin Chinese ideas of beauty.

Waldeyer, M., on the hermaphroditism of the vertebrate embryo.

Wales, North, numerical proportion of male and female births in.

Walkenaer and Gervais, spider attracted by music; on the Myriapoda.