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85
Birth-rate.—Natural increase.—The number of
births registered during the year amounted to 901; 455
were of males, and 416 of females, yielding a birth-rate,
according to the foregoing estimate of the population, of
33.70 per 1,000 persons of all ages, and as will be seen
an excess over the deaths—the natural increase—of
1661 per 1,000.
Mortality.—The total number of deaths amounted
to 507, 254 of males, and 253 of females; 105 occurred
in the following public institutions, viz., in the Surrey
County Lunatic Asylum, 80 ; in the Royal Hospital for
Incurables, 9 ; in St. Peter's Hospital, 2; in the Prison,
9; in the Patriotic Asylum for Girls, 3; and in the
Boys' Reformatory, 2. Of the deaths of Wandsworth
parishioners not registered in this parish, 41 took place
in the Infirmary of the Union, and 9 in the Metropolitan
Asylum District Hospitals.
Death-rate.—In the determination of the death-rate
of this sub-district, the usual mode of calculation from
the number of the population and the number of deaths
registered cannot be satisfactorily employed without
taking into consideration certain conditions which exert
a disturbing influence on the death register, and which
are of such extent as to entirely vitiate any calculation
derived directly from that source. Thus the register is
unduly raised by the mortality of the Surrey County
Lunatic Asylum, St. Peter's Hospital, and the Hospital
for Incurables, the inmates of which institutions are,
with a fractional exception, derived from without the
parish, undergo no natural increase, and are necessarily
subject to a very high mortality. The latter during the
past year formed nearly 18 per cent, of all deaths registered,
and has occasionally amounted to one-third of all
deaths. On the other hand, as has been stated, 41 deaths