Page:Popular Science Monthly Volume 78.djvu/321

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311
THE PROGRESS OF SCIENCE
PSM V78 D321 Autographed letter by francis galton.png
Part of an Autograph Letter from Sir Francis Galton,
written in his eighty-ninth year.

and, as is fitting, a member of a distinguished family. The tenets of his grandfather did not prevent him from making a large fortune by the sale of arms in time of war; he wrote about birds and was skilled in statistics, One of his grandsons was Sir Douglas Galton, the eminent engineer. On his mother's side Francis Galton was a grandson of Erasmus Darwin and a half cousin of Charles Darwin. His wife also belonged to a distinguished family—she was the daughter of the dean of Peterborough and the sister of the master of Trinity College; it is the irony of fate that they have left no lines of descent.

It is not needful to review here Gal-