Force of habits of intemperance in the use of spirituous liquors against all habits of decency, or frugality, or morality 133 Misconceptions as to casualties occurring among the indigent or profligate 134 Intemperance the cause of fever 136 _Domestic mismanagement a predisposing cause of disease._ 137 Mismanagement of earnings obstructive to the domestic improvement of the sanitary condition of the labouring classes. Instances of in— Derby, 137; Birmingham, 138; Manchester, 139; Preston union, 140; Ayr, 141; Tranent, 141; Dundee 142 Attacks of fever most frequent on workmen in full employment and ordinary health 145, 147 Irrelevancy of controversy on the generation of fever, in respect to practical means of prevention 148 Concurrence of medical opinions as to the most efficient means of preventing fever 150 IV. COMPARATIVE CHANCES OF LIFE IN DIFFERENT CLASSES OF THE COMMUNITY. 153 Instances of the comparative chances of life amongst the gentry, tradesmen, and working men— In Truro, 154; in Derby, 155; in Manchester, 157; in Rutland, 157; in the Bolton union, 158; in Bethnal Green, 159; in Leeds Borough, 159; in Liverpool, 159; in the Whitechapel union, 160; in the Strand union, 160; in the Kensington union, 161; in Wiltshire, 161; in the Kendal union 161 Tabular views of the ages at which deaths have occurred in different classes of society 162 Comparative mortality of differently circumstanced districts of the metropolis 164 Comparative prevalence of fever in different districts of Leith 167 High mortality not essential to towns 167 Comparative mortality in three classes of the community at Bath 168 Corroborative experience from Paris as to the influence of local circumstances on mortality 170 Improvements in the health of large towns chiefly confined to improved districts 171 Instance of progressive improvement in the social condition of the population concurrently with its increase in numbers 175