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Nathusius, H. von, on the improved breeds of pigs; male domesticated animals more variable than females; horns of castrated sheep; on the breeding of domestic animals. Natural selection, its effects on the early progenitors of man; influence of, on man; limitation of the principle; influence of, on social animals; Mr.
The labours of the field were performed by means of oxen which were employed for ploughing, and of asses, which were used specially for the carriage of manure and for driving the mill; perhaps a horse also was kept, apparently for the use of the master. These animals were not reared on the estate, but were purchased; oxen and horses at least were generally castrated.
The age at which the operation is performed varies in the different species. The colt is usually castrated when he is one year old, and the calf, pig and lamb when a few weeks or a few months of age. It is not advisable to castrate the young at weaning time. The operation and the weaning together may temporarily check the growth of the animal.
In this case both testes were extracted but one was slightly broken at one end, although I was not sure that any of it was left in the body. An entire White Leghorn of the same age as the first was kept as a control. On August 27 the two castrated birds had recovered and were active.
But causes of serious error here intervene: a plant, to be hybridised, must be castrated, and, what is often more important, must be secluded in order to prevent pollen being brought to it by insects from other plants. Nearly all the plants experimented on by Gartner were potted, and were kept in a chamber in his house.
In Russia time and space have no exact importance, living counts for more than dominating life, emotion is not castrated, feelings are openly indulged in; in Russia there are the extremes of cynicism, and of faith; of intellectual subtlety, and simplicity; truth has quite another significance; manners are different; what we know as "good form" is a meaningless shibboleth.
Moreover, whenever complicated experiments are in progress, so careful an observer as Gärtner would have castrated his hybrids, and this would have insured in each generation a cross with a pollen from a distinct flower, either from the same plant or from another plant of the same hybrid nature.
Indeed, so unconventional, so crude, shaggy, utterly inelegant, are Moussorgsky's scores, that they offend in polite musical circles even to-day. It is only in the modified, "corrected" and indubitably castrated versions of Rimsky-Korsakoff that "Boris" and "Khovanchtchina" maintain themselves upon the stage.
Anaphrodisiacs. The Stimulant Influence of Semen in Coitus. The Internal Effects of Testicular Secretions. The Influence of Ovarian Secretion. The Aptitude for Detumescence. Is There an Erotic Temperament? The Available Standards of Comparison. Characteristics of the Castrated. Characteristics of Puberty. Characteristics of the State of Detumescence. Shortness of Stature.
As a matter of fact, the castrated specimen usually shows only the first of these effects to any conspicuous degree. The comb and wattles of the capon are similar to those of the hen, but he still has the plumage and the spurs of the entire cock.
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