FELLOW OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, AND MEMBER OF TRINITY
COLLEGE; CANDIDATE OF THE ROYAL COLLEGE OF PHYSICIANS,
LONDON; LATE PHYSICIAN TO THE WESTERN DISPENSARY,
AND TO THE ROYAL METROPOLITAN
INFIRMARY FOR CHILDREN, &c. &c.

LONDON:

LONGMAN, REES, ORME, BROWN, AND GREEN,
PATERNOSTER-ROW.
MDCCCXXXI.

LONDON:
Printed by William Clowes,
Stamford Street.

TO
Sir HENRY HALFORD, Bart., M.D., F.R.S., F.A.S.,
PRESIDENT OF THE ROYAL COLLEGE OF PHYSICIANS, LONDON,
PHYSICIAN TO THE KING, &c. &c.
THE FOLLOWING PAGES
ARE,
WITH HIS PERMISSION,
AND WITH
A GRATEFUL SENSE OF THE HONOUR THUS CONFERRED UPON THEIR
AUTHOR, MOST RESPECTFULLY
DEDICATED.