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Updated: May 4, 2025
Boar, wild, polygamous in India; use of the tusks by the; fighting of. Boardman, Mr., Albino birds in U.S. Boitard and Corbie, MM., on the transmission of sexual peculiarities in pigeons; on the antipathy shewn by some female pigeons to certain males. Bold, Mr., on the singing of a sterile hybrid canary. Bombet, on the variability of the standard of beauty in Europe.
There can, however, be no doubt that changed conditions induce an almost indefinite amount of fluctuating variability, by which the whole organisation is rendered in some degree plastic. In the United States, above 1,000,000 soldiers, who served in the late war, were measured, and the States in which they were born and reared were recorded. 'Investigations in Military and Anthrop.
As the variability of each species is an independent property, and will be taken advantage of by natural selection, only so far as it profits the individual in its complex struggle for life, so the degree of modification in different species will be no uniform quantity.
I believe with Carlyle that it is the heroes, the geniuses of the race, to whom we owe its achievements; and the hero and the genius are the men and women of "greatest variability" in powers. The first weapon, the starting of fire, the song that became "a folk song" were created by the prehistoric geniuses and became the social heritage of the group or race.
A slight degree of variability leading to some advantage, however slight, in reiterated deadly contests would suffice for the work of sexual selection; and it is certain that secondary sexual characters are eminently variable.
But the much greater variability, as well as the greater frequency of monstrosities, under domestication or cultivation, than under nature, leads me to believe that deviations of structure are in some way due to the nature of the conditions of life, to which the parents and their more remote ancestors have been exposed during several generations.
The great variability of all the external differences between the races of man, likewise indicates that they cannot be of much importance; for if important, they would long ago have been either fixed and preserved, or eliminated.
But in Cocaigne there was no regret and no variability, but only an interminable flow of curious pleasures, illumined by the wandering star of Venus Mechanitis. "Why is it, then, that I am not content?" said Jurgen. "And what thing is this which I desire? It seems to me there is some injustice being perpetrated upon Jurgen, somewhere."
It is not a bud-variation at all, and it is to be met with quite commonly while the true reversions by buds are very rare and are of the nature of sports appearing suddenly and remaining constant on the same twig. Analogous phenomena of wide variability with true reversion may be seen in the variety of the European hornbeam called Carpinus Betulus heterophylla.
In the "Heigh-ho!" expressive of mental and muscular prostration, we may see the same truth; and if the cadence appropriate to it be inverted, the absurdity of the effect clearly shows how the meaning of intervals is dependent on the principle we have been illustrating. The remaining characteristic of emotional speech which we have to notice is that of variability of pitch.
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