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BRITISH ASSOCIA TION-OPENiNG ADDRESS. 2 I 3
maining somewhat less than 10 per cent.
No account ie taken
of intemperate consumption of spirituous liquora and tobacoo.
Many of the license duties are tnken into account in calculating
the effect of the customs duties, and an allowance of 20 per
cent. is added to the duties on commodities to cover the inter&
charged by the deders who advance the duties.
APPENDIX B.
OX THE CONNECTION BETWEEN THE IRISH POPULATION
AND THE RATE OF MORTAJLITY IN TOWNS.
I have tested tho suggestions made in tho text in a variety
of ways, and have, in almost every case, met with confirmatory
evideme.
In calculating tho percentage of Irish population in my
town, I have taken the numbers only of tho population of
twenty years of age and upwards, for the obvious reason that
if an Irish family live for a few years in England, they may
have children registered as English born, although they live
under the same sauitary conditions as their Irish parents.
The following statement compares tho proportion of Irish
population with tho mortality in some of the principal towns :
Liverpool .
Manchester
Balford .
Newcaetle
Bradford .
LeedB .
Birmingham
London .
Sheffield .
. .
. .
. .
Proportion
of Irinh Population;
Cemns of 1SG1.
34.9
20.6
12.7
9.0
8%
7.5
7.3
5.7
5%
27.4
25 7
27.8
28.5