TO PROVE THAT THERE IS NO ORIGINAL MENTAL SUPERIORITY BETWEEN
THE MOST ILLITERATE AND THE MOST LEARNED OF MANKIND;

AND THAT NO GENIUS, WHETHER INDIVIDUAL OR NA-

TIONAL, IS INNATE, BUT SOLELY PRODUCED BY

AND DEPENDENT ON CIRCUMSTANCES.

ALSO,

AN ENQUIRY

INTO THE

NATURE OF GHOSTS,

AND OTHER APPEARANCES SUPPOSED TO BE
SUPERNATURAL.

"Haud equidem credo, quia sit divinitûs illis
"Ingenium, aut rerum fato prudentia major,—”

VIRG. GEORG.

LONDON:

PRINTED FOR W. SIMPKIN AND R. MARSHALL, STATIONERS' COURT,
LUDGATE-STREET; DOIG AND STIRLING, EDINBURGH; AND

ENTERED AT STATIONERS' HALL.

THENEW YORK
PUBLIC LIBRARY

ASTOR, LENOX AND

TILDEN FOUNDATIONS.

TO THE

IMMORTAL MEMORY

OF

JOHN LO C K E,

THE FOLLOWING PAGES ARE

DEDICATED,

WITH AN HUMBLE HOPE THAT THEY MAY TEND TO THE ADVANCEMENT OF THE

GREAT WORK OF

TRUTH,

WHICH HE SO ABLY ADVOCATED.