Darwin, Charles. ON THE ORIGIN OF SPECIES. A Facsimile of the First Edition with an Introduction by Ernst Mayr. Facsimile Edition, Thirteenth Printing; pp. [ii], xxviii, x, 490, [491-520](bibliography & subject index, last 5 blank); portrait frontispiece, double-page diagram (at end), bibliography, index; original wrappers; a fine copy. Cambridge, Massachusetts; Harvard University Press; (1994).
***A later printing of Freeman 602, first published 1964, the first facsimile edition. The bibliography and index (replacing the original, and here enlarged from the 1964 edition) are new to this edition. #66430

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