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[Illustration: PLATE I THE CIRCULATION]




FIRST BOOK

IN

PHYSIOLOGY AND HYGIENE

BY

J.H. KELLOGG, M.D.

MEMBER OF THE AMERICAN MEDICAL ASSOCIATION, THE AMERICAN PUBLIC HEALTH
ASSOCIATION, SOCIÉTÉ D'HYGIÈNE OF FRANCE, BRITISH AND AMERICAN
ASSOCIATIONS FOR THE ADVANCEMENT OF SCIENCE, MICHIGAN
STATE BOARD OF HEALTH, ETC.

_ILLUSTRATED_