W. W. Strickland, The Smuggler’s Dog and other Essays in Literature and Science, New York, B. Westermann, 1930, p. 192.

So that it is not the characteristics aquired by eating and enjoying all theses choice cates that are inherited and form you true Scot but the inherited instincts and internal bodily conformations that rende rit possible to digest and assimilate them, much as a caddis-worm make a net or a case like a porcupine, or a tube with a neat mosaic of grains of sand according to combinations of inherited instincts and internal architecture which make it what it is.. Thus natural selection after all is the sheep-dog which rounds in the sheep. At any rate is the orthodox view.