:

WILLIAM HEY, Esq. F. R.S.

MEMBER OF THE ROYAL COLLEGE OF SURGEONS IN LONDON;
HONORARY MEMBER OF THE ROYAL COLLEGE OF SURGEONS IN IRELAND,
OF THE ROYAL MEDICAL SOCIETY OF EDINBURGH,

OF THE LITERARY AND PHILOSOPHICAL SOCIETY OF MANCHESTER;
AND LATE SENIOR SURGEON OF THE GENERAL INFIRMARY
AT LEEDS.

LONDON:

PRINTED FOR HURST, ROBINSON, AND CO., LONDON;
ARCHIBALD CONSTABLE AND CO., EDINBURGH ;
AND ROBINSON AND HERNAMAN, LEEDS.