A THEORY OF THE
MECHANISM OF SURVIVAL
THE FOURTH DIMENSION AND ITSAPPLICATIONS
BY
W. WHATELY SMITH
London:
KEGAN PAUL, TRENCH, TRUBNER & CO., LTD.
NEW YORK: E.P. DUTTON & CO.
1920
TO
MY MOTHER
When we can no longer interpret a phenomenon by the known, we mustneeds try to do so by the unknown...."
"It is well, in spite of everything, to seek an explanation of theinexplicable; it is by attacking it on every side at all hazards thatwe cherish the hope of overcoming it."
Maeterlinck. "The Unknown Guest."
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