Clause of Public Health Act empowering their erection -- Selection of site -- Construction of Urinals -- Why iron is preferable -- Description of urinals -- Public w. c. accommodation -- Description of a simple w. c. -- Jennings and Macfarlane for urinals 280 CHAPTER XXIV. ARTIZANS AND LABOURERS’ DWELLINGS. The Act of 1868 -- Mode of procedure under it -- Amendment of Act in 1879 -- Further amendment in 1882 -- Importance of this amendment -- Act of 1875 for improvement of dwellings of working classes -- Mode of procedure under it -- Amended by Act of 1879 -- Further amended, 1882 -- Duties of surveyor under these acts -- Health of model dwellings -- Description of industrial dwellings -- Labouring classes’ Lodging Houses Acts -- Copy of bye-laws under them -- Table of sizes of rooms 284 CHAPTER XXV. DEFECTS IN DWELLING-HOUSES, ETC. Cellar dwellings -- Clauses of the Public Health Act on the subject -- Insufficient w. c. accommodation -- Clauses on the subject -- Forms of notice to be served -- W. C. accommodation for factories -- Houses without a proper supply of water -- Clauses on the subject -- Mode of procedure -- Disadvantages of cistern storage 295 CHAPTER XXVI. HOUSE DRAINAGE. Definition of drain -- Difficulty of always deciding what is a drain -- Duties of surveyor in connection with house drainage -- Inspection of new drains -- Form of “regulations” necessary by a local authority -- Difficulty of efficient inspection -- Drains of new buildings -- Inspection of defective drains -- Several clauses of the Public Health Act on the subject -- Procedure necessary to carry them out -- List of a few requirements of good house drainage -- Necessity of register of all house drains 303 CHAPTER XXVII. PUBLIC PLEASURE GROUNDS AND STREET TREES. Law empowering acquisition and maintenance of parks, &c. -- Duties of surveyor in connection therewith -- Public playgrounds -- A few hints -- List of a few useful shrubs -- Trees in gales -- Planting trees at sides of streets -- Qualities necessary in trees for this purpose -- List of suitable trees -- Precautions necessary -- Grating and grill -- Description of Paris planting -- Cost of trees in Paris -- Damage to street trees 318 CHAPTER XXVIII. PUBLIC ABATTOIRS.