Chapter XV.

Synoptic Statement of the Principles and Phenomena of Cosmic Impact: Prepared for the Use of Scientific Men and Societies.

This abstract will serve the general reader as a summary of the theory of impact. It is especially intended to save the time of scientific men. Should any statement not appear obvious to such readers reference can be made to the body of the work. For the instruction those who may desire to study the original papers a list is appended at the end of the synopsis.