Licence: Public Domain Mark
Credit: Physical degeneracy / by Nathan Allen. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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![PHYSICAL DEGENERACY. NATHAN ALLEN, M. D., LOWELL, MASS. REPRINTED FROM 7HE JOURNAL OF PSYCHOLOGICAL MEDICiNE, OCTOBER, 1870.] NEW YORK: D. APPLETON AND COMPANY, 80, 92 & 94 GRAND STREET. 1870.](https://iiif.wellcomecollection.org/image/b22298137_0001.jp2/full/800%2C/0/default.jpg)