CHAPTER V. Knowledge: Self-Elements 29-34 CHAPTER VI. Function of Mind. Space against Metaphysics. Self-Limitation and its Test. A Plane World 35-46 CHAPTER VII. Self Elements in our Consciousness 47-50 CHAPTER VIII. Relation of Lower to Higher Space. Theory of the Æther 51-60 CHAPTER IX. Another View of the Æther. Material and Ætherial Bodies 61-66 CHAPTER X. Higher Space and Higher Being. Perception and Inspiration 67-84 CHAPTER XI. Space the Scientific Basis of Altruism and Religion 85-99 PART II. CHAPTER I. Three-space. Genesis of a Cube. Appearances of a Cube to a Plane-being 101-112 CHAPTER II. Further Appearances of a Cube to a Plane-being 113-117 CHAPTER III. Four-space. Genesis of a Tessaract; its Representation in Three-space 118-129 CHAPTER IV. Tessaract moving through Three-space. Models of the Sections 130-134 CHAPTER V. Representation of Three-space by Names and in a Plane 135-148 CHAPTER VI. The Means by which a Plane-being would Acquire a Conception of our Figures 149-155 CHAPTER VII. Four-space: its Representation in Three-space 156-166 CHAPTER VIII. Representation of Four-space by Name. Study of Tessaracts 167-176 CHAPTER IX. Further Study of Tessaracts 177-179 CHAPTER X. Cyclical Projections 180-183 CHAPTER XI. A Tessaractic Figure and its Projections 184-194 APPENDICES. A. 100 Names used for Plane Space 197 B. 216 Names used for Cubic Space 198 C. 256 Names used for Tessaractic Space 200-201 D. List of Colours, Names, and Symbols 202-203 E. A Theorem in Four-space 204-205 F. Exercises on Shapes of Three Dimensions 205-207 G. Exercises on Shapes of Four Dimensions 207-209 H. Sections of the Tessaract 209-217 K. Drawings of the Cubic Sides and Sections of the Tessaract (Models 1-12) with Colours and Names 219-241 INTRODUCTORY NOTE TO PART I.