THE PRINCIPLES AND PRACTICE OF MEDICINE

PRACTICE OF MEDICINE

DESIGNED FOR THE USE OF PRACTITIONERS AND
STUDENTS OF MEDICINE

ORIGINALLY WRITTEN BY

THE LATE SIR WILLIAM OSLER, BT., M.D., F.R.S.

FORMERLY FELLOW OF THE ROYAL COLLEGE OF PHYSICIANS, LONDON; REGIUS PROFESSOR OF
MEDICINE, OXFORD UNIVERSITY; HONORARY PROFESSOR OF MEDICINE, JOHNS HOPKINS
UNIVERSITY, BALTIMORE; PROFESSOR OF THE INSTITUTES OF MEDICINE, MCGILL
UNIVERSITY, MONTREAL, AND PROFESSOR OF CLINICAL MEDICINE IN

THE UNIVERSITY OF PENNSYLVANIA, PHILADELPHIA

TENTH EDITION THOROUGHLY REVISED BY

THOMAS MCCRAE, M.D.

FELLOW OF THE ROYAL COLLEGE OF PHYSICIANS, LONDON; PROFESSOR OF MEDICINE, JEFFERSON
MEDICAL COLLEGE, PHILADELPHIA; PHYSICIAN TO THE JEFFERSON AND PENNSYL-

VANIA HOSPITALS, PHILADELPHIA; FORMERLY ASSOCIATE PROFESSOR

OF MEDICINE, JOHNS HOPKINS UNIVERSITY

COPYRIGHT, 1892, 1895, 1898, 1901, 1902, 1903, 1904, 1905, 1909, 1912, 1916, 1920, 1925

By D. APPLETON AND COMPANY

blic Health Lib

Copyright, 1925, by Grace Revell Osler

PRINTED IN THE UNITED STATES OF AMERICA

TO THE

Memory of Three Teachers of William Osler:

WILLIAM ARTHUR JOHNSON
PRIEST OF THE PARISH OF WESTON, ONTARIO

JAMES BOVELL

OF THE TORONTO SCHOOL OF MEDICINE, AND OF THE
UNIVERSITY OF TRINITY COLLEGE, TORONTO

ROBERT PALMER HOWARD

DEAN OF THE MEDICAL FACULTY AND PROFESSOR OF MEDICINE, MCGILL UNIVERSITY, MONTREAL