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NATURAL HISTORY.

VOL. II.

PART I.-MASTOLOGY.

BY JOHN D. GODMAN, M.D.

Professor of Natural History in the Franklin Institute of Pennsylvania; one
of the Professors of the Philadelphia Museum; Member of the
American Philosophical Society; of the Philadelphia Acad-
emy of Natural Sciences, &c.

SECOND EDITION.

Philadelphia:

STODDART AND ATHERTON, 60, N. FRONT STREET.
1831.