Orange Gravy for Wild Fowl

• Gravy, ½ pint
• ½ the rind of a Seville orange
• lemon-peel, 1 small

Boil for about ten minutes, in half a pint of rich and highly-flavoured brown gravy, or Espagnole, half the rind of a Seville orange, pared as thin as possible, and a small strip of lemon-rind, with a