bread pill

bread pill

a placebo made of bread crumbs or other inactive substances.
References in classic literature ?
It is only a bread pill, you had much better take it; drink a little milk, my dear Duchess
Meantime I rolled bread pills and remembered my sins; M'Leod considered his own reflection in a spoon; his wife seemed to be praying, and the girl fidgetted desperately with hands and feet, till the darkness passed on--as though the malignant rays of a burning-glass had been shifted from us.