CONTENTS.

PAGE

Preface.—By the Rev. John Andrew [xi]

Introduction [xv]

CHAPTER I. 1872–1882.

Introductory [1]

CHAPTER II. 1882–1886.

Ether the True Protoplasm, An Epitome of Macvicar’s Sketch of a Philosophy [11]

CHAPTER III. 1885–1887.

The Nature of Keely’s Problems [30]