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one over-ruling principle of the persistence of force.
Such a philosophy does not belong to the class of philosophies fundamentally evolutionary.

Other conception, however, were introduced in philosophy by Spencer; such was rhe doctrine that Innate Ideas are, in some and by some means Hereditary, and were their first appearence empirical.
This idea was put forth in the fifties in Spencer;s Principles of Psychology, a book long antedating Fochner's most celebrated work; and I should have supposed that Spencer had some claim to be considered as the Father of Modern Psychology, but since Prof. James who knows a hundred times