. "Ahoop, B, of metal or other material, and of the proper size, is then pressed down, so as to tightly`en. vcircle the rim, and to hold the cover firmly in posi- `tion upon the cheese, and the operation is completed without further trouble. 4 It will be noticed that the expense and trouble of box-making are thus completely avoided; and not only that, but the cover can be made invariablyto fit the ch" . . . .