WOODS HUTCHINSON, A. M., M. D.
Sometime Professor of Anatomy, University of Iowa; Professor of Comparative
Pathology and Methods of Science Teaching, University of Buffalo; Lecturer,
London Medical Graduates' College and University of London;
and State Health Officer of Oregon. Author of "Preventable
Diseases," "Conquest of Consumption,"
"Instinct and Health," etc.
HOUGHTON MIFFLIN COMPANY
BOSTON NEW YORK CHICAGO
COPYRIGHT, 1911, BY WOODS HUTCHINSON
ALL RIGHTS RESERVED
TENTH IMPRESSION