But even such prescriptions pale beside many of those receiving sanction from the distinguished chemist Robert Boyle in his Medicinal Experiments of 1692, one of the most popular family handbooks of the period. Among other recipes more palatable, one for sore throat, as common an ailment among children then as now, proposes “a drachm of white dog’s turd” worked up with honey of roses into “a linctus, to be very slowly let down the throat.” Another—”For Convulsions, especially in Children”—requires ground dried earthworms fortified with “a pretty number of grains of ambergrease” to moderate the stench. A third—”For the Cholic and diverse other Distempers”—features an infusion made of “four or five balls of fresh stone-horse dung” steeped in a pint of white wine, to be drunk “from a quarter to half a pint” at a dose. Easily the Mount Everest and Mona Lisa among these unappealing remedies is the following, used “To clear the Eyes, even of films”: Take human fecal matter “of good Colour and consistence,” dry it slowly “till it be pulverable,” then reduce it “into an impalpable powder, which is to be blown once, twice, or thrice a day … into the patient’s Eyes.”