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Statement of rarity in infants incorrect
Results of examination of return-books of parochial cases

ib.

Results derived from Registrar-General's tables

55

Relative frequency of scarlet fever at different ages

56

Influence of sex .

57

Prevalent idea that females suffer most

ib.
Opinions of authors on the subject

ib.

Examination of Registrar-General's Reports

58

Relative mortality in sexes in reference to population

59

Relative mortality in sexes varies with age

60

Sex has no influence on scarlet fever

61

Influence of meteorological conditions

Opinions of preceding writers as to season

ib.
Scarlet fever most common in autumn

ib.
Opinions of numerous foreign and English writers
Examination of Registrar-General's reports

64

Dr. Tripe's statistics

ib.

Attempt to analyse facts bearing on influence of season

66

Want of relation between temperature and mortality

67

Want of relation between barometrical pressure and mortality

Want of relation between amount of rain and mortality

ib.

Want of relation between rate of atmospheric movement and

mortality

ib,

Electrical conditions of atmosphere

Few facts as to effects of atmospheric changes

ib.

Probable relation between electricity and mortality

70

Propagation of scarlet fever poison not affected by movement of

air

ib.

Recurrence of scarlet fever in the same person

71

Error of popular belief

72

Cases of recurrence observed

ib.

Second attacks not known to be fatal

73

Mortality of scarlet fever

. ib.

Influence of locality on mortality

74

Examination of Registrar-General's reports

ib.

Mortality greater in towns

ib.

Mortality per million in eleven districts of England

75

Greatest in north-western counties

ib.

Relative mortality of scarlet fever in reference to other epidemic

diseases

ib.

Examination of Registrar-General's reports

76

Scarlet fever probably highest in mortality among epidemics 77

Confusion from use of word “ typhus”

ib.

The Types of Scarlet Fever .

78

Objection to distinction of forms

ib.

69

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One type communicable by another

ib.

Uræmia and dropsy may

follow

any

form

ib.

Distinction in type not caused by season nor by meteorological

changes

79

Severe epidemics probably always prevent a proportion of mild

ib.

Type not influenced by locality

80

Nor by physical condition of patient

81

No evidence of hereditary tendency to specific type

ib.

How is variety of type to be explained ?

82

On doubtful Scarlet Fever

Illustrative cases

ib.

On Scarlet Fever as complicated with acute Rheumatic Fever

84

The “dengue", or scarlatinal rheumatism

ib.

Described by Wood, Aitken, and others

Scarlet fever not unfrequently connected with rheumatic fever 85

Noticed by Drs. G. Bird, Kelso, and Ross

ib.

Cases observed by the author

86

Chemical Pathology of Scarlet Fever

87

Scarlet fever placed by F. Simon among hypinotic diseases

ib.

Indications of inflammatory nature of the disease

88

Condition of the urine

Condition of the skin

89

Mode of death in scarlet fever the same as in all true inflamma-

tory diseases

91

Poison of Scarlet Fever in relation to its Propagation and Mode of

Action

ib.

Poison travels on material objects rather than by air

ib.

Evidences of solidity of the poison

92

Instances of communication by objects capable of holding the

poison

ib.

Mode in which the poison is received

94

Probably by respiration

95

From what part of the body does the poison come ?

ib.
It does not escape as gaseous matter

ib.

Mode of action of scarlet fever poison

96

Objection to general theory of zymosis

ib.

Nature of the process of fermentation

97

Distinctions between alcoholic fermentation and zymosis

98

Zymosis probably a natural act of the body

ib.
Action of introduced bodies rather to modify zymosis than to

excite it

Application of the zymosis theory to scarlet fever

· 100

Scarlet fever and rheumatism both probably produced by acids 101

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Description of acute symptoms

. 152

Condition of expired air in uræmia

. 153

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