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PROFESSOR IN THE UNIVERSITY OF NEw York; AUTHoR or A “TREATISE on
IN TWO WOLUMES.—Wol. I.
IRE VISED EDITION.
LONDON: GEORGE BELL AND SONS, YORK STREET,
At the meeting of the British Association for the Advance-
so as to illustrate the orderly progress of civilization, or collected the facts furnished by other branches of science with a view of enabling us to recognize clearly the conditions under which that progress takes place. This philosophical deficiency I have endeavoured in the following pages to supply.
Seen thus through the medium of physiology, history presents a new aspect to us. We gain a more just and thorough appreciation of the thoughts and motives of men in successive ages of the world.
In the Preface to the second edition of my Physiology, published in 1858, it was mentioned that this work was at that time written. The changes that have been since made in it have been chiefly with a view of condensing it. The discussion of several scientific questions, such as that of the origin of species, which have recently attracted public attention so strongly, has, however, remained untouched, the principles offered being the same as presented in the former work in 1856.
New York, 1861.
PREFACE TO THE REVISED EDITION.
MANY reprints of this work having been issued, and translations published in various foreign languages, French, German, Russian, Polish, Servian, &c., I have been induced to revise it carefully, and to make additions wherever they seemed to be desirable. I therefore hope that it will commend itself to the continued approval of the public.