The Rural Science Series

Edited by L. H. BAILEY

RURAL HYGIENE

THE MACMILLAN COMPANY
NEW YORK · BOSTON · CHICAGO
ATLANTA · SAN FRANCISCO
MACMILLAN & CO., LIMITED
LONDON · BOMBAY · CALCUTTA
MELBOURNE
THE MACMILLAN CO. OF CANADA, LTD.
TORONTO

RURAL HYGIENE

BY

HENRY N. OGDEN, C.E.

PROFESSOR OF SANITARY ENGINEERING IN COLLEGE OF CIVIL ENGINEERING, CORNELL UNIVERSITY SPECIAL ASSISTANT ENGINEER, NEW YORK STATE DEPARTMENT OF HEALTH