DISTRICT OF MASSACHUSETTS, TO WIT:

District Clerk's Office.

BE IT REMEMBERED, that on the twenty-seventh day of October, A. D. 1830, in the fifty-fifth year of the Independence of the United States of America, John Farrar of the said strict has deposited in this office the title of a book, the right whereof he claims as author, in the words following, viz:

"Elements of Algebra, by S. F. Lacroix. Translated from the French, for the use of the Students of the University at Cambridge, New England. By John Farrar, Professor of Mathematics and Natural Philosophy." Third Edition

In conformity to the Act of the Congress of the United States, entitled, "An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the times therein mentioned"; and also to an Act, entitled, " An Act, supplementary to an Act, entitled, 'An Act for the encouragement of learning, by securing the copies of maps, charts, and books to the authors and proprietors of such copies, during the times therein mentioned'; and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints."

JNO. W. DAVIS,

Clerk of the District of Massachusetts.

E. W. METCALF AND CO., CAMBRIDGE,

Printers to the University.

ADVERTISEMENT.

LACROIX'S ALGEBRA has been in use in the French schools for a considerable time. It has been approved by the best judges, and been generally preferred to the other elementary treatises, which abound in France. The following translation is from the eleventh edition, printed at Paris in 1815. No alteration has been made from the original, except to substitute English instead of French measures in the questions, where it was thought necesWhen there has been occasion to add a note by way of illustration, the reference is made by a letter or an obelisk, the author's being always distinguished by an asterisk.

sary.

In this third edition examples are introduced of the leading sections of the work, selected principally from the celebrated collection of Meier Hirsch, and intended as an exersise for the learner.

Cambridge, November, 1830.