Chapter XXXI

of the "System of Metaphysics," "Mental Phenomena and the Causal Nexus." It is well worth while for the student to read the whole of Clifford's essay "On the Nature of Things-in-themselves," even if he is pressed for time.

## CHAPTER XI , section 44. See "System of Metaphysics," Chapter XV , "The

World as Mechanism."

Section 45. See Chapter XXXI , "The Place of Mind in Nature."

Section 46. For a definition of Fatalism, and a description of its difference from the scientific doctrine of Determinism, see