During the war a loud wail went up because a number of hams and a quantity of bacon had been found in a decomposed condition at a certain port. Had this occurred during pre-war days not a word would have found its way into the public press, and the destructor alone would have known of the incident. But because under war conditions the public was directly affected--was clamouring for this particular article of food--the wastage was declared to be intolerable. Fortunately, in this instance, owing to our having become more enlightened, the spoiled food was not totally lost. The fat was reclaimed, while the residue was turned to its most profitable account. At Liverpool, as at other centres where a vigilant eye is maintained upon the clock of progress, it was speedily discovered that the methods of handling such refuse were distinctly deprecatory. It was decided to introduce improved practice. One material was treated as an experiment, and the process was found to be profitable. Gradually other condemned articles of food were taken in hand. This logical development of salvage was continued, until to-day there is very little material entering into the composition of the Liverpool dust-bin which does not find some one or other useful application. It was learned from studied investigation that waste-food products collected with the refuse of the city might be classified into five broad divisions, namely butchers’ and fishmongers’ offal, damaged fruit and vegetables, damaged eggs, damaged canned foods, such as meat, fish, milk and so forth, as well as warehouse sweepings. Over and above this assortment, of course, came the miscellany to be found in every ash-bin drawn from the home. To ensure the receipt of the offal from tradesmen a special and separate collection from all retail shops dealing in fish and greengrocery was inaugurated. Subsequently, to prevent the wastage of swill suitable for the sustenance of pigs, a special collection from private houses was introduced. In every city the isolation of the swill from the general material consigned to the dust-bin though freely urged is a somewhat difficult issue to carry into practice. Segregation at the source is imperative to ensure the maximum results being attained. But the Liverpool authorities overcome the obstacle very satisfactorily. The residents were notified of the intention of the department charged with this duty, while officials were detailed to visit and to explain to residents the proposals, and to extend advice upon what, and what should not, be thrown into the dust-bin. Moreover, the City Fathers undertook to provide each house with a special receptacle for the swill, and to collect it at frequent intervals. Experience proved that collection twice a week sufficed to meet every requirement.