و

ут

DESIGNED PARTICULARLY FOR

Young Gentlemen at the University;

AND TO PREPARE THE WAY TO THE STUDY OF
PHILOSOPHY AND THE MATHEMATICS.

菜

BY WILLIAM DUNCAN,

Professor of Philosophy in Marishal College, Aberdeen.

Doctrina sed vim promovet insitam;;
Rectique cultus pectora roborant............HOR..

NEW-YORK:

PRINTED BY L. NICHOLS, & CO.

FOR EVERT DUYCKINCK, BOOKSELLER.