OF

GEOMETRY

AND

CONIC SECTIONS.

BY ELIAS LOOMIS, A.M.,

PROFESSOR OF MATHEMATICS AND NATURAL PHILOSOPHY IN THE UNIVERSITY OF THE CITY

OF NEW YORK, AND AUTHOR OF A "TREATISE ON ALGEBRA" AND "ELEMENTS
OF PLANE AND SPHERICAL TRIGONOMETRY."

/ NEW YORK:

HARPER & BROTHERS, PUBLISHERS,

82 CLIFF STREET.

1

Edue T

Educ T 148, 49.530

WARD COLLEGE
Jan 18, 1928
LIBRARY

7. Р. Навесно

Entered, according to Act of Congress, in the year one thousand eight hundred and forty-seven, by

ELIAS LOOMIS,

in the Clerk's Office of the District Court of the Southern District of New York.

TO THE

HON. THEODORE FRELINGHUYSEN, LL.D.,

CHANCELLOR OF THE UNIVERSITY OF THE CITY OF NEW YORK,

THE FRIEND OF EDUCATION, THE PATRIOT STATESMAN,

AND THE CHRISTIAN PHILANTHROPIST,

This Work

IS RESPECTFULLY DEDICATED

BY

THE AUTHOR.