9. Statement of the requisites of cottage architecture, by Mr. Loudon 396 10. Specification of the cost of erection, weekly rents, interest on the capital invested, and the numbers of the tenements and cottages occupied by the poor and labourers; taken from returns made by the relieving officers of their respective districts in 24 unions in the counties of Chester, Stafford, Derby, and Lancaster 400 11. Tables of the expense of building cottages and repairs, in England and Scotland 401 12. Examination of the Rev. Thomas Whateley, Cookham, Berks, on cottage allotments and the keeping of pigs by cottagers 403 13. Arrangement of public walks in towns: plan of the arboretum at Derby, laid out by Mr. Loudon 405 14. Boards of Health: report on the labours of the “Conseil de Salubrité,” of Paris, from 1829 to 1839, by M. Trebuchet 409 16. Qualifications of officers of public health: statement by M. Duchâtelet 423 17. Instance by MM. Duchâtelet and D’Arcet, of the erroneous medical inferences as to the insalubrity of particular trades 424 18. On the habitations of the lower orders of Paris 426 19. On the habitations and lodgings of the lower orders in Paris 428 20. Extract from the report of the commission appointed by the Central Board of Public Health, to ascertain the condition of the dwellings of the working classes in Brussels, and to suggest means for their improvement 429 21. Principles of sanitary police in Germany: extracts from Professor Mohl 431 22. A report on the statements of Dr. Mauthner, regarding the sanitary condition of the operatives in the new cotton manufactures, Vienna, given at the monthly meeting on the 2nd of November, 1841. By Herr L. M. Von Pacher 432 23. Typhus fever, the vast amount of, produced amongst the poor of Liverpool, from want of ventilation and cleanliness: extract from Dr. Currie’s medical reports 441 24. Extract from Dr. Ferriar’s “Advice to the Labouring Classes in Manchester,” given in 1800 441 25. Principles of jurisprudence and responsibility for accidents: extract from the First Report of the Commissioners of Inquiry into the Labour of Children in Factories 442