INFLUENCES OF GEOGRAPHIC ENVIRONMENT ON THE BASIS OF RATZEL'S SYSTEM OF ANTHROPO-GEOGRAPHY BY ELLEN CHURCHILL SEMPLE PREFACE The present book, as originally planned over seven years ago, was to be a simplified paraphrase or restatement of the principles embodied in Friedrich Ratzel's _Anthropo-Geographie_. The German work is difficult reading even for Germans. To most English and American students of geographic environment it is a closed book, a treasure-house bolted and barred. Ratzel himself realized that any English form could not be a literal translation, but must be adapted to the Anglo-Celtic and especially to the Anglo-American mind. The writer undertook, with Ratzel's approval, to make such an adapted restatement of the principles, with a view to making them pass current where they are now unknown.

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