Excerpt from Researches Into the Physical History of Mankind, Vol. 2 The inquiry above mentioned will comprise the whole range of physical causes and their'effects. The influence of moral agencies upon human races is a distinct consideration these, however, will be found by their importance to deserve an equal degree of attention. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.