200. Oyster Soup.—Put four dozen of oysters into a stewpan with their liquor, place them upon the fire, when upon the point of boiling, drain them upon a sieve, catching the liquor in a basin; take off the beards, which put into the liquor, putting the oysters into a soup tureen; then put a quarter of a pound of butter into another stewpan over the fire, and when melted add six ounces of flour, stir over a slow fire for a short time, but keeping it quite white; let it cool, then add the liquor and beards of the oysters, a quart of milk, and two quarts of stock (No. 175), stir over the fire until boiling, then season with a teaspoonful of salt, half a saltspoonful of cayenne pepper, five peppercorns, half a blade of mace, a tablespoonful of Harvey sauce, half ditto of essence of anchovies; let boil quickly at the corner for ten minutes, skim it well, add a gill of cream, if handy, strain through a hair sieve over the oysters, and serve.