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BY THOMAS NUTTALL, F. L. S.
FELLOW OF THE AMERICAN PHILOSOPHICAL SOCIETY,
OF PHILADELPHIA, &c.
District of Pennsylvania, to wit: ******* BE IT REMEMBERED, That on the third day of
SEAL. April, in the forty-second year of the Independence of i mother to the United States of America, A. D. 1818, Thomas Nuttall of the said district, has deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit:
« The Genera of North American Plants, and a Catalogue of
the Species to the year 1817. By Thomas Nuttall, F. L.S. fellow of the American Philosophical Society, and of the
A cademy of Natural Sciences of Philadelphia, &c.” In conformity to an act of the congress of the United States, intitled, “an act for the encouragement of learning, by securing the copies of maps, charts and books, to the authors and proprie. tors of such copies during the times therein mentioned,” - and also to the 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."
TO HIS EXCELLENCY
JOSEPH CORREA DE SERRA,
FELLOW OF THE ROYAL SOCIETY, OF THE NATIONAL IN-
GARVES, TO THE UNITED STATES.
The active interest which you have ever taken in the promotion of Natural Science, both in Europe and America, and your desire to elevate it to the rank of Philosophy, demands the gratitude of all its votaries, and inspires the feeble acknowledgments of your humble servant, the