Full text: Problems in eugenics

312 Section III. D. C. Gini. 
Mortality during first month of lift according to month™of birth (i). 
Making the daily meanfor the whole year = 100,the daily mean for each 
month = 
Denm;irk (1901-905).Saxony (1901-905) 
Month.DiedDay of Death 
FirstRest of 
day ofthe 
January ...989396999399857283 
February...10310210410395IOI857888 March1071049iIOO9798787363 
April107102106IOI102102838080 May1031159910111899858680 
JuneIOO107IOO103115108104107104 July9710699103115"3127132129 August ...IOO98117IOO108105152171H9 
September102901171039599H5154141 October ...959693968889104103105 
November949388959088817579 December9494909692997i6969 (i) Data taken from Roesle, Die Sterblich-Keit un ersten Lebensmonat, Leipzig, Vogel 1910, 
pp. 200 and 201. 
relatively cold. This phenomenon is clearly shewn by Tables XIV. and 
XV. In Denmark and in Saxony the mortality - during the first month of 
life appears to be greatest in summer, or at the beginning of autumn; 
at Budapest, besides the summer maximum, there is another not quite so 
marked in winter; in Italy, the winter months are by far the most unfavor­ 
able to the newly born, while one can only^just notice the slight increase 
in mortality during July and August. Such differences are'^probably due 
to several causes : on the one hand, in colder countries the children are 
better sheltered from the rigours of the winter than in hotter countries; 
on the other hand, a different proportion in the number of the artificially 
fed may have a decisive influence (10), as this practice increases infant 
mortality especially in hot seasons. (See Table XVI.) (II.) 
It is not hard to find a reason for the monthly variation in the numbers 
of still-born throughout the year; the number of the still-born depends in fact 
on the influence that the climate exercises, not upon the organisation of the 
child, but upon that of the mother, and adults cannot be protected from the 
inclemency of the weather so easily as the newborn : therefore, for adults the

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