Janusuy 6,1817

TREATISE,

SHEWING

THE NATURE AND BENEFIT OF THAT

IMPORTANT SCIENCE,

AND

TIIE WAY TO ATTAIN IT.

Intermixed with

VARIOUS REFLECTIONS AND OBSERVATIONS ON

HUMAN NATURE.

BY JOHN MASON, A. M.

The proper knowledge of mankind is Man. Pope,

Charlestown, (Mass.)
PRINTED BY SAMUEL T. ARMSTRONG,

1809.