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After graduating as the first black from West Point in 1877, Henry O. Flipper was dismissed from the U.S. Army in 1882 following a financial scandal. He went on to enjoy a career as a land surveyor, scholar of mining and land laws, congressional aide, and writer and translator.
Black Frontiersman is Flipper s account of his service with the Tenth U.S. Cavalry in Texas and Oklahoma and the years that followed. Flipper s memoir was first published in 1963 as Negro Frontiersman, edited by Theodore Harris. For this revised edition, Harris has added a new introduction, expanded...

It was about ninety years ago that GALTON and WATSON, in treating the problem of the extinction of family names, showed how probability theory could be applied to study the effects of chance on the development of families or populations. They formulated a mathematical model, which was neglected for many years after their original work, but was studied again in isolated papers in the twenties and thirties of this century. During the past fifteen or twenty years, the model and its general izations have been treated extensively, for their mathematical interest and as a theoretical basis for...