Library of Congress.
DISTRICT OF PENNSYLVANIA, TO WIT:
BE IT REMEMBERED, That on the twelfth day of August, in the forty-second year of the Independence of the United States of America, WILLIAM P. C. BARTON of the said District, hath deposited in this Office the title of a Book, the right whereof he claims as Author, in the following words — to wit: Vegetable Materia Medica of the United States; or Medical Botany: containing a Botanical, General, and Medical History of Medicinal Plants, indigenous to the United States. Illustrated by Coloured Engravings, made after original drawings from nature, done by the Author. By William P. C. Barton, M. D. Surgeon in the Navy of the United States, and of the Hospital for Marines at the Navy Yard, Philadelphia; Fellow of the College of Physicians of Philadelphia; Member of the American Philosophical Society; President of the Philadelphia Linnean Society; and Professor of Botany in the University of Pennsylvania. Volume I.
"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 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."
D. CALDWELL, Clerk of the District of Pennsylvania.