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  PRINCIPLES OF
  PUBLIC HEALTH

  A SIMPLE TEXT BOOK ON HYGIENE
  PRESENTING THE PRINCIPLES FUNDAMENTAL
  TO THE CONSERVATION OF
  INDIVIDUAL AND COMMUNITY HEALTH

  BY THOS. D. TUTTLE, B.S., M.D.

  SECRETARY AND EXECUTIVE OFFICER OF
  THE STATE BOARD OF HEALTH OF MONTANA

  [Illustration: (publisher's colophon)]

  YONKERS-ON-HUDSON, NEW YORK
  WORLD BOOK COMPANY
  1910




CONSERVATION OF HEALTH

  "Our national health is physically our greatest asset. To prevent
  any possible deterioration of the American stock should be a
  national ambition."--THEODORE ROOSEVELT.


_The conservation of individual and national health is the keynote
of these books_

PRINCIPLES OF PUBLIC HEALTH

  By THOS. D. TUTTLE, M.D., Secretary and Executive Officer of the
  State Board of Health of Montana. Illustrated. Cloth. vii + 186
  pages. List price 50 cents, mailing price 60 cents.

PRIMER OF HYGIENE

  By JOHN W. RITCHIE, of the College of William and