W.G. AITCHISON ROBERTSON

M.D., D.Sc., F.R.C.P.E.

LECTURER ON FORENSIC MEDICINE, SCHOOL OF MEDICINE, EDINBURGH; LATE EXAMINER IN THE UNIVERSITIES OF EDINBURGH AND ST. ANDREWS; FOR THE TRIPLE BOARD; DIPLOMA IN PUBLIC HEALTH, ETC.

NINTH EDITION

TWENTIETHTHOUSAND

LONDON

BAILLIÈRE, TINDALL AND COX

8, Henrietta Street, Covent Garden

1922