I know of no well-directed attempts of this kind, except in the ancient family of the Bickerstaffs, who are said to have been very successful in whitening the skins and increasing the height of their race by prudent marriages, particularly by that very judicious cross with Maud, the milk- maid, by which some capital defects in the constitutions of the family were corrected.
Chapter IX, paragraph 14, lines 22-27 (see also eugenics..). - An Essay on The Principle of Population (First Edition 1798, unrevised)