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Throughout Nature, wherever we meet with animals of a high type, often indeed when they are of a lowly type provided they have not been rendered unnatural by domestication every act of sexual union is preceded by a process of courtship.
The first domestication of the horse, one of the greatest achievements of man in the animal kingdom, was not the work of a day; but like all other great accomplishments, was brought about by a gradual process of discoveries and experiments.
See the chapters on these several animals in vol. i. of my 'Variation of Animals under Domestication; also vol. ii. p. 73; also chap. xx. on the practice of selection by semi-civilised people. For the Berbura goat, see Dr. Winwood Reade, it is not developed if the animal be castrated.
After my return to England it appeared to me that by following the example of Lyell in Geology, and by collecting all facts which bore in any way on the variation of animals and plants under domestication and nature, some light might perhaps be thrown on the whole subject. My first note-book was opened in July 1837.
"Finally, as indefinite and almost illimitable variability is the usual result of domestication and cultivation, with the same part or organ varying in different individuals in different or even in directly opposite ways; and as the same variation, if strongly pronounced, usually recurs only after long intervals of time, any particular variation would generally be lost by crossing, reversion, and the accidental destruction of the varying individuals, unless carefully preserved by man."
The Kroo Country Religion of the Kroo and Fish men Emigration of the Natives Sketch of their habits and customs Purchase of wives The Krooman's ne plus ultra Migratory propensities Rogueries exposed Adoption of English Names Cape Palmas Dexterity of the Fishmen Fish towns The Fetish Arrival at Cape Coast Land with the Governor Captain Hutchison Cape Coast mode of taking an airing Ashantee Chiefs Diurnal occupations School for Native Girls Domestication of Females Colonel Lumley Captain Ricketts Neglect of Portuguese fortresses A native Doctor
For full particulars and references on all these points respecting the several breeds of the Fowl, see 'Variation of Animals and Plants under Domestication, vol. i. pp. 250, 256.
They were the years that saw such extraordinary discoveries and inventions as fire, and the wheel, and the bow, and the domestication of animals.
This is the case with no other source of flesh-supply, and this fact gives the pig a peculiar importance. Owing to the remarkably complete domestication of this animal, and also to the fact that it is omnivorous, the creature has ever been a favorite with the cotter class.
Now let us turn to the other side of the argument. Under domestication we see much variability. This seems to be mainly due to the reproductive system being eminently susceptible to changes in the conditions of life; so that this system, when not rendered impotent, fails to reproduce offspring exactly like the parent-form.
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