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OF THE

AMERICAN PHILOSOPHICAL SOCIETY,

HELD AT

PHILADELPHIA,

FOR PROMOTING

USEFUL KNOWLEDGE.

VOLUME VI.

PUBLISHED BY

C. AND A. CONRAD AND CO. PHILADELPHIA. CONRAD, LUCAS AND CO.

BALTIMORE. SOMERVELL AND CONRAD, PETERSBURG, AND BONSAL,
CONRAD AND CO. NORFOLK.

[JANE AITKEN, PRINTER.]

1809.

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District of Pennsylvania. TO WIT:

(L. S.) BE IT REMEMBERED, That on the first day of July, in the thirty third year of the Independence of the United States of America, A. D. 1809,

C. & A. Conrad and Company, of 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:

Transactions of the American Philosophical Society, held at Philadelphia, for promoting useful Knowledge. Vol. VI.”

In conformity to the act of the Congress of the United States, intituled “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 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 time therein mentioned,” and extending the benefits thereof to the arts of designing, engraving and etching historical and other prints.

D. CALDWELL, Clerk of the

District Court of Pennsylvania.

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WIU

The following are the Rules adopted for the govern

ment of Committees in the choice of papers for publication.

Žirst. 6 Shat the grounds of the Committee's 6 choice of papers for the poress, should always be 66 the importance or singularity of the subjects, or (the advantageous manner of treating them, without co pretending to answer, or to make the Society an< swerable, for the certainty of the facts, or propriety 66 of the reasonings, contained in the several papers coso published, which must still rest on the credit 66 or judgment of their respective authors.

Secondly. 6 G hat neither the Society, nor the « Committee of the pureso, do ever give their opinion cb as a body, upon any paper they may publish, 66 or upon any subject of Art or Nature that comes se before them."

OF THE

AMERICAN

PHILOSOPHICAL SOCIETY,

HELD AT

PHILADELPHIA,

FOR PROMOTING

USEFUL KNOWLEDGE.

VOLUME VL-PART I.

PHILADELPHIA:

FROM THE PRES3 OF THE LATE R. AITKEN.
BY JANE AITKEN, No. 20, NORTH THIRD STREET.

1804.

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