THE SYSTEM;

OR,

"ON THE MODE IN WHICH THERAPEUTIC AGENTS INTRODUCED INTO THE STOMACH PRODUCE THEIR PECULIAR EFFECTS ON THE ANIMAL ECONOMY."

Being the Prize Essay

TO WHICH THE MEDICAL SOCIETY OF LONDON AWARDED THE FOTHERGILLIAN GOLD MEDAL FOR MDCCCLII.

BY

FREDERICK WILLIAM HEADLAND, B.A.,

M. R. C. S., ETC.

PHILADELPHIA: LINDSAY AND BLAKISTON.

1853.

WM. S. YOUNG PRINTER

TO

THE PRESIDENT, OFFICERS, AND FELLOWS

OF THE

MEDICAL SOCIETY OF LONDON,

This Essay

IS RESPECTFULLY INSCRIBED, BY THEIR VERY OBLIGED

FRIEND AND SERVANT,

THE AUTHOR.