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EASTERN DISTRICT OF PENNSYLVANIA, to wit:

BE IT REMEMBERED, That on the twenty-fourth day of April, in the fifty-second year of the independence of the United States of America, A. D. 1828, HARRISON HALL, of the said district, hath deposited in this office the title of a book, the right whereof he claims as Proprietor, in the words following, to wit:

American Ornithology; or the Natural History of the Birds of the United States.

Illustrated with plates engraved and coloured from original drawings taken from Nature. By Alexander Wilson. With a skelch of the Author's Life, by George Ord, F. L. S. &c. In three Volumes.- Vol. 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, “ Ån 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 etcbing historical and other prints."

D. CALDWELL, Clerk of the Euslern District of Pennsylvaniu.

EDITOR'S PREFACE.

In preparing for the press this edition of Wilson's Ornithology, the editor has adhered to the original text, correcting only some erroneous references, and a few verbal inaccuracies, most of which were probably typographical errors.

Wilson, in his introduction, mentions its being desirable, that the birds should be arranged scientifically; and takes notice of the causes, that rendered it, at that time, impracticable. In fact, he was obliged to figure and describe his birds, nearly in the order in which he obtained them; and was, therefore, often compelled to place together those of the most dissimilar habits and characters, and to separate the male and female of the same species. In arranging them in proper order, the editor believes that he is merely accomplishing that, which the author himself would have done, had he lived to prepare another edition. That the value of the work is thus much enhanced, is too evident to require comment.

The classification of Latham having been adopted by Wilson, has been followed by the editor, not because he considers it the best, but for the reason just mentioned; and also because there has not been any arrangement, hitherto proposed, entirely free from objections. In the notes, however, the most important recent improvements in classification have been pointed out; the errors committed by Wilson, in consequence of his not being able to procure specimens for comparison, and books for reference, have been corrected; and additional synonymes given. For these improvements, the editor must acknowledge himself to be, in great measure, indebted to the “ Observations on the Nomenclature of Wilson's Orgithology, by Charles L. Bonaparte,” in the Journal of the Academy of Natural Sciences

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