HENRY FROWDE and HODDER & STOUGHTON
THE _LANCET_ BUILDING
1 & 2 BEDFORD STREET, STRAND, W.C.2






First Edition 1904
Second Edition 1907
Third Edition 1909
Fourth Edition 1911
" " Second Impression 1913
Fifth Edition 1915
" " Second Impression 1919
Sixth Edition 1921



PRINTED IN GREAT BRITAIN BY
MORRISON AND GIBB LTD., EDINBURGH




PREFACE TO SIXTH EDITION


Much has happened since this Manual was last revised, and many surgical