State of Nero-York, ss: E IT REMEMBERED, that on the seventeenth day of May, in the forty-first year WINKLE
the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit:
"The Triangle. Part I. In Five Series of Numbers. By The Investigator."
IN CONFORMITY to the act of 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 encourage"ment 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." THERON RUDD,
Clerk of the Southern District of New-York.