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Published online by Cambridge University Press: 18 August 2016
The theory of the construction of Tables of Mortality offers no difficultywhen applied either to the members of a Society, or to a collection ofindividuals, who can be traced so that all the necessary particulars as tothem are known. But in the population of a country or a town, severalincidental causes, such as epidemics and migrations, exercise an influence;some of them on the total numbers of the population, and others on themembers living at certain ages. The mobility of a population or the constantchange taking place, from one residence to another, or from one country toanother, prevents us from following each individual or each group ofindividuals from the moment of birth to that of death.
page 35 note * Dictionnaire Encyclopédique des Sciences Médicals, du Dr. A. Dechambre. Art. Baviére (p. 618 et seq.), Paris, 1866 Google Scholar.
page 37 note * Bordeaux, 1866, and “Journal de la Société de Statistiquede Paris,” March, 1866.Google Scholar
page 38 note * See, besides the memoir already referred to, his articles in the Journal of the Statistical Society of Paris, February and March, 1869.
page 38 note † Ueber die Ermittlung der Sterblichkeit. Leipzig, 1868 Google Scholar.
page 41 note * See Hopf, G., Ueber die allgemeine Natur des Geburts u. des Sterbliclikeits-Verlältnisse, pp. 32 et seq. Berlin, 1869 Google Scholar.
page 42 note * See L'annuaire de Statistique des Pays-Bas, Years xiv. and xv., First Part, p. 474, and Journal des Economistes, July, 1868, pp. 38 et seq.