Contributions to the Theory of Natural Selection

Local Variations of Colour

Remarks on the facts of Local Variation

Mimicry

Concluding Remarks on Variation in Lepidoptera

Arrangement and Geographical Distribution of the Malayan Papilionidæ

Arrangement

Geographical Distribution

Range of the Groups of Malayan Papilionidæ

Remarkable peculiarities of the island of Celebes

Concluding Remarks

V.--On Instinct in Man and Animals. Pp. 201-210

How Instinct may be best Studied

Definition of Instinct

Does Man possess Instincts?

How Indians travel through unknown and trackless Forests

VI.--The Philosophy of Birds' Nests. Pp. 211-230

Instinct or Reason in the Construction of Birds' Nests

Do Men build by Reason or by Imitation?

Why does each Bird build a peculiar kind of Nest?

How do young Birds learn to build their first Nest?

Do Birds sing by Instinct or by Imitation?