Dances of birds.

Dancing, universality of.

Danger-signals of animals.

Daniell, Dr., his experience of residence in West Africa.

Darfur, protuberances artificially produced by natives of.

Darwin, F., on the stridulation of Dermestes murinus.

Dasychira pudibunda, sexual difference of colour in.

Davis, A.H., on the pugnacity of the male stag-beetle.

Davis, J.B., on the capacity of the skull in various races of men; on the beards of the Polynesians.

Death’s Head Sphinx.