It appears to me that at the present time the system of continuous supply might, provisionally, receive a fair trial in the City, in respect of some of those poorer habitations, which are now for the first time about to be supplied with water and drainage. The Water-Companies would probably not object, if desired by the Commission, to supply a hundred houses, experimentally, with constant pressure from their mains. The Commission might select for its experiment some of those courts about Cripplegate or Bishopsgate, where the drainage, as well as the water-supply, requires to be constructed anew: some, where there have hitherto been undrained cesspools, and where the water-supply has been from a stand-cock. Should this suggestion be found feasible, I would recommend that the details of its execution should be carried out under the joint superintendence of your Surveyor and myself, and that we should afterwards report to you its results, as material for guiding your decision with regard to the general supply of the City. Mr. Quick, Engineer to the Southwark Water-Works, in a letter which is appended to Sir William Clay’s pamphlet, has recently suggested various arrangements for an uninterrupted supply, and these have no doubt been under your Surveyor’s consideration. I may add, too, that there are at present upwards of 40 houses within the City constantly supplied from the mains of the East London Water-Works; but as these are not houses of the poorest description, it is possible that they may not constitute so satisfactory a proof of the feasibility of the constant supply, or so complete an illustration of the detailed arrangements for its employment, as could be given by the experimental construction I have suggested. While the supply remains, as at present, an interrupted one for the City generally, I would recommend that the Commission should procure from the Water-Companies an arrangement for the delivery to occur, under no circumstances, less than daily; and that Sunday should form no exception to this arrangement. Many tenants of the Water Companies at present receive their supply only on alternate days, Sunday counting as a _dies non_, so that a necessity is entailed in such cases for a three days’ storage of water. * * * * *