FORMERLY BARRISTER-AT-LAW; PROFESSOR OF CHEMISTRY AND OF FORENSIC MEDICINE AT THE LONDON HOSPITAL; MEDICAL OFFICER OF HEALTH FOR ISLINGTON; VICE-PRESIDENT OF THE INSTITUTE OF CHEMISTRY; ONE OF THE OFFICIAL ANALYSTS TO THE HOME OFFICE.
LONDON:
SOCIETY FOR PROMOTING CHRISTIAN KNOWLEDGE,
NORTHUMBERLAND AVENUE, W.C.; 43, QUEEN VICTORIA STREET, E.C.
BRIGHTON: 129, NORTH STREET. NEW YORK: E. & J. B. YOUNG & CO. 1897.
[PUBLISHED UNDER THE DIRECTION OF THE GENERAL LITERATURE COMMITTEE.]