1. On the Law which has regulated the Introduction of New Species.

2. On the Tendency of Varieties to depart indefinitely from the Original
Type.

3. Mimicry, and other Protective Resemblances among Animals.

4. The Malayan Papilionidæ.

5. Instinct in Man and Animals.

6. The Philosophy of Birds' Nests.

7. A Theory of Birds' Nests.

8. Creation by Law.

9. The Development of Human Races under the Law of Natural Selection.

10. The Limits of Natural Selection as applied to Man.

His reasons for publishing this work were, first, that the first two
papers of the series had gained him the reputation of being an
originator of the theory of Natural Selection, and, secondly, that there
were a few important points relating to the origin of life and
consciousness and the mental and moral qualities of man and other views
on which he entirely differed from Darwin.

Though in later years Wallace's convictions developed considerably with
regard to the spiritual aspect of man's nature, he never deviated from