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According to the authority of MM. Quetelet and Smits, the mortality of the two sexes is equal in childhood, or that of the male is greatest; but that of the female rises between the ages of fourteen and sixteen to 1.28 to one male death. For the next four years, it falls again to 1.05 females to one male death. Sur la Reproduction et la Mortalité de l'Homme. 8vo. Bruxelles.
"M. Quetelet has pointed out, that in Belgium two infants die in January for one that dies in July." And in Russia the infant mortality is something enormous. Even when near maturity, the undeveloped frame is comparatively unable to bear exposure: as witness the quickness with which young soldiers succumb in a trying campaign. The rationale is obvious.
Yet the generalizations for which they were seeking a basis were trivial in comparison with those which our author hurtles out after a glance at M. Quetelet. "A continuous average of so many murders a year; then so many must happen; then somebody must commit them; then free-will is a figment, and society is the source of all action which we call individual."
He maintains that there are three days in every month, with an interval of about ten days between them, in which we may look for a fall of temperature, and that the weather gradually grows warmer during the interval that separates them. His observations are only in part corroborated by those of M. Quetelet and M. Fourmet. A Svenska Maid.
Carpenter, in one of our recognized medical text-books, has reproduced from the well-known French statistician, Quetelet, showing the comparative viability, or life value, of men and women respectively at different ages.
Everyone knows that the law of Quetelet can be demonstrated the most readily by placing a sufficient number of adult men in a row, arranging them according to their size. The line passing over their heads proves to be identical with that given by the law of probability.
Having pursued with much zeal the study of optics, and experimented largely and carefully on the double refraction and polarization of light, he compiled a treatise on the subject for the "Encyclopaedia Metropolitana" It has been translated into French by M. Quetelet; and both foreign and English men of science have been accustomed to regard it as indicating a new point of departure in the important branch of science to which it is devoted.
Placed for some months under the care of King Leopold at Brussels, he came under the influence of Adolphe Quetelet, a mathematical professor, who was particularly interested in the application of the laws of probability to political and moral phenomena; this line of inquiry attracted the Prince, and the friendship thus begun continued till the end of his life.
Quechua, see Quichua. Querquedula acuta. Quetelet, proportion of sexes in man; relative size in man and woman. Quichua Indians; local variation of colour in the; no grey hair among the; hairlessness of the; long hair of the. Quiscalus major, proportions of the sexes of, in Florida and Honduras. Rabbit, white tail of the.
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