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