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compared with 0.23 in 1905, 0.11 in 1904, and, 0.05 in 1903. The case-mortality was
at the rate of 3.1 per cent. of the cases certified, as compared with 3.4 in 1905, 3.8
in 1904, 2.7 in 1903, 3.3 in 1902, 3.5 in 1901, and 5.4 in 1900. Amongst children
under five years of age there were 247 cases, with 15 deaths, the mortality being just
over 6 per cent. (allowing for cases not regarded as scarlet fever at the hospitals, 6.6
per cent.), as compared with 7.7 per cent in 1905, 7.8 per cent. in 1904, 2.7 per
cent. in 1903, 5.3 in 1902, 6.8 in 1901, and 12 in 1900. Among persons over five
years, there were 382 cases with 5 deaths, the mortality being 1.3 per cent. of the oases
(allowing for cases not regarded as scarlet fever, nearly 1.4 per cent.), as compared with
1 per cent. in 1905, 1.8 in 1904, 2.7 in 1903, and 1.7 in 1901.
The cases of scarlet fever certified in the metropolis during 1906 numbeTed 20,345,
the attack-rate being 4.3 per 1,000 inhabitants, as compared with 4.1 in 1905, 2.8
in 1904, 2.7 in 1903, 3.9 in 1902, 4.4 in 1901, and 3.0 in 1900. The deaths in the
metropolis from this disease numbered 533, as compared with 549 in 1905, 365 in
1904, 361 in 1903, 560 in 1902, 584 in 1901, and 361 in 1900, the death-rate being
0.11 per 1,000, as compared with 0.11 in 1905, 0.08 in 1904, 0.07 in 1903, 0.12 in
1902, 0.13 in 1901, and 0.08 in 1900.
DIPHTHERIA (INCLUDING MEMBRANOUS CROUP).
The cases certified numbered 133, being 44 fewer than the number for last year.
Of these, 43, or 32 per cent., were not regarded as diphtheria cases at the hospitals
of the Metropolitan Asylums Board, the diagnosis being in 20 cases tonsillitis, in 5
Vincent's Angina, 4 scarlet fever, 3 laryngitis, 1 enteric fever, 1 stomatitis, and in 9
not diphtheria or not notifiable.

These cases are grouped according to ages in Table III. (Appendix).