CONTENTS.

  PAGE
Outline of the history of cholera 1
Cases proving its communication from person to person 3
Cholera not communicated by means of effluvia 9
The pathology of cholera indicates the manner in which it is communicated 10
Analysis of the blood and evacuations in cholera 11 and 14
Cholera is propagated by the morbid poison entering the alimentary canal 15
Evidence of this mode of communication in the crowded habitations of the poor 17
—— amongst the mining population 19
Instances of the communication of cholera through the medium of polluted water, in Horsleydown 23
—— at Albion Terrace, Wandsworth Road 25
—— at Ilford and near Bath 32
—— at Newburn on the Tyne 33
—— at Cunnatore 35
—— in the Black Sea Fleet 36
—— in the neighbourhood of Broad St., Golden Sq. 38
—— at Hampstead West End (the water being carried from Broad Street) 44
Explanation of the Map showing the situation of the deaths in and around Broad Street, Golden Square 45
Table of attacks and deaths near Golden Square 49
Outbreak of cholera at Deptford caused by polluted water 55
Communication of cholera by means of the water of rivers which receive the contents of the sewers 56
Influence of the water supply on the epidemic of 1832, in London 57
Table showing the mortality from cholera, and the water supply 58
Influence of the water supply on the epidemic of 1849, in London 60
Table showing this influence 62
Communication of cholera by Thames water in the autumn of 1848 66
New water supply of the Lambeth Company 68
Effect of this new supply in the epidemic of autumn 1853 69
Tables showing this effect 71 and 73
Intimate mixture of the water supply of the Lambeth with that of the Southwark and Vauxhall Company 74
Opportunity thus afforded of gaining conclusive evidence of the effect of the water supply on the mortality from cholera 75
Account of inquiry for obtaining this evidence 77
Result of the inquiry as regards the first four weeks of the epidemic of 1854 79
—— the first seven weeks of the same epidemic 82
Tables illustrating these results 84, 85
Inquiry of the Registrar-General respecting the effect of the water supply of the above-mentioned Companies during the later period of the epidemic 87
Comparison of the mortality of 1849 and 1854, in the districts supplied by the above-named Companies 89
Effect of the water supply on the mortality from cholera amongst the inmates of workhouses and prisons 91
Cholera in the district of the Chelsea Water Company 93
Effect of dry weather to increase the impurity of the Thames 95
Relation between the greater or less mortality from cholera in London and the less or greater elevation of the ground 97
This relation shown to depend on the difference of water supply at different elevations ib.
Effect of water supply on the mortality of cholera in Birmingham, Leicester, etc. 98
—— in Exeter 99
—— in Hull 100
—— in York 101
—— in Dumfries, etc. 102
—— in Nottingham and Glasgow 103
—— in Paris and Newcastle-upon-Tyne 104
Limited inquiry respecting the effect of the water supply at Newcastle 107
Assent of the medical profession to the influence of polluted water on the mortality from cholera 109
True explanation of this influence 110
Answers to certain objections 111
Circumstances connected with the history of cholera explained by the principles advocated in this treatise, as,—  
  The duration of the epidemic in each place usually bears a direct relation to the number of the population 115
  The effect of season on the prevalence of cholera 117
  Proportion of the sexes who die of cholera at different periods of an epidemic, and under different circumstances 119
  Proportion of deaths from cholera in certain occupations 121
Evidence that plague, yellow fever, dysentery, and typhoid fever are communicated in the same way as cholera 125
Instances in which ague was caused by impure water 129
Measures required for the prevention of cholera and other diseases which are communicated in the same way 133
Appendix, containing a list of the deaths from cholera which were registered in the four weeks ending 5th August 1854, together with the water supply of the houses in which the fatal attacks took place, in all the sub-districts to which the supply of either the Southwark and Vauxhall or the Lambeth Water Company extends 138