Keane, on the Primates.

Keeble, F.W. and F.W. Gamble, on Colour-change.

Keith, on Anthropoid Apes.

Kellogg, V., on heliotropism.

Kepler.

Kerguelen Island.

Kidd.

Kidston, R., on fossil plants.

Killmann, on origin of human races.

King, Sir George.