By one of those caprices of the mind which we are perhaps most subject to in early youth, I at once gave up my former occupations, set down natural history and all its progeny as a deformed and abortive creation, and entertained the greatest disdain for a would-be science which could never even step within the threshold of real knowledge.
There are no more uses of "progeny" in the book.
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He had sojourned among various tribes, and perhaps left progeny among them all; but his regular, or habitual wife, was a Sioux squaw.
Irving, Washington -- Astoria or Anecdotes of an enterprise beyond the Rocky Mountains
The progeny will doubtless be a strange hybrid race...