PART V.—PHYSICAL SYNTHESIS.

1. A Further Interpretation Needed. 2. The Genesis of Nerves. 3. The Genesis of Simple Nervous Systems. 4. The Genesis of Compound Nervous Systems. 5. The Genesis of Doubly-Compound Nervous Systems. 6. Functions as Related to these Structures. 7. Psychical Laws as thus Interpreted. 8. Evidence from Normal Variations. 9. Evidence from Abnormal Variations. 10. Results.

APPENDIX.

On the Action of Anæsthetics and Narcotics.

CONTENTS OF VOL. II.