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The Causation of Disease; An Exposition of the Ultimate Factors Which Induce It

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The Causation of Disease; An Exposition of the Ultimate Factors Which Induce It - Campbell, Harry A
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 Excerpt: ...modifying their environment and by artificial selection. For these reasons, if for no other, the appearance of mature reason, such as we find it in man, marks an important epoch in the history of evolution. But two other noteworthy effects must be mentioned, and they relate to man alone. (1) Reason being a far less ...