A remedy believed to treat children with smallpox using calomel (mercurous chloride), tartar emetic, "crab's-eyes" (a calcified stone found in crayfish) and sugar.
This entry describes how to use or administer Dr. James' Fever Powder, a known quack medicine remedy (the recipe for the powder is not given). It instructs how and when to administer the medicine to a sick patient, including diluting the powder in jelly, barley water, tea, or gruel.