BY MAYO W. HAZELTINE.

Constructs a philosophical system in harmony with the theory of evolution.

Birth, parentage, and early career.

Scheme of his system of Synthetic Philosophy.

His "Facts and Comments;" views on party government, patriotism, and style.

His religious attitude that of an agnostic.

The doctrine of the Unknowable and the knowable.

"First Principles;" progress of evolution in life, mind, society, and morality.

The relations of matter, motion, and force.

"Principles of Biology;" the data of; the development hypothesis.