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Article
May 1, 1909

POLYDACTYLISM EXTENDING THROUGH FIVE SUCCESSIVE GENERATIONS

Author Affiliations

WARE, MASS.

JAMA. 1909;LII(18):1403. doi:10.1001/jama.1909.25420440031003c

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Abstract

It has been my intention for years to report this case of an evident atavistic tendency as it is unique in character. Now that it reappears in the fifth successive generation it would seem to be proper that it be reported in order that it may go on record as an evident "freak" in Nature's law of hereditary descent.

Generation 1.  —This malformation manifested itself in a single male, in a supernumerary thumb on the right hand and an additional finger on the outer side of the little finger of the left hand. This man lived to be 92 years of age and never married. He had evident pride in his multiplicity of members and bore the inconveniences with a commendable patience.

Generation 2.  —His niece had a supernumerary finger on her left hand. She had it removed when a child.

Generation 3.  —The grandnieces had each an additional finger

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