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the former, and other small differences. In order to make the
Table 3 of the Local Government Board correspond with the list
of diseases given by the Registrar-General, I found it necessary to
re-number the headings and to separate heart and brain diseases
from " other defined" diseases.
The Infant Mortality Table is also slightly altered as to headings,
and age-periods.
A.-NOTIFIABLE INFECTIOUS DISEASES.
Under the provisions of the Infectious Disease (Notification)
Acts, 1889 and 1899, the following diseases are compulsorily notifiable
in the District, viz., Small-pox, Cholera, Diphtheria, Membranous
croup, Erysipelas, the disease known as Scarlet Fever or
Scarlatina, and the fevers known by any of the following names:—
Typhus, Typhoid or Enteric, Relapsing, Continued, and Puerperal.
During the year 1911, 59 cases of infectious disease were notified,
as against 60 in the previous year, and included 14 cases of
Diphtheria, 22 of Erysipelas, 17 of Scarlet Fever, 5 of Enteric Fever,
and 1 of Puerperal Fever.
Small-pox. No cases of this disease were notified, in the District,
making the third successive year of freedom.
Scarlet Fever. Seventeen non-fatal cases were reported, as
compared with 31 cases and one death in 1910.

The cases were spread over the District thus:—
Chelsfield
4 cases.
Cudham
4 „
Knockholt
4 „
Mottingham
3 „
Orpington
1 case.
West Wickham
1 „
Total
17 cases.