Place in a sauce-bowl a heaped teaspoonful of salt, three-quarters of a teaspoonful of very finely crushed white pepper, one medium-sized fine, sound, well-peeled, and very finely chopped shallot, one heaped teaspoonful of very finely chopped chives, and half a teaspoonful of parsley, also very finely chopped up. Mix lightly together, then pour in a light teaspoonful of olive oil, six drops of Tabasco sauce, one saltspoonful of Worcestershire sauce, and lastly one light gill, or five and a half tablespoonfuls, of good vinegar. Mix it thoroughly with a spoon ; send to the table, and with a teaspoon pour a little of the sauce over each oyster just before eating them.