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Among the compensations of advancing age is a wholesome pessimism, which, though it takes the fine edge off of whatever triumphs may come to us, has the admirable effect of preventing Fate from working off on us any of those gold bricks, coins with strings attached, and unhatched chickens, at which ardent youth snatches with such enthusiasm, to its subsequent disappointment.
But ordinarily, in the natural course of events, the young queen is kept a prisoner in her cell till the old queen has left with the swarm. Later on, the unhatched queen is guarded against the reigning queen, who only wants an opportunity to murder every royal scion in the hive.
When the bees have decided that no more swarms can issue, the reigning queen is allowed to use her stiletto upon her unhatched sisters. Cases have been known where two queens issued at the same time, when a mortal combat ensued, encouraged by the workers, who formed a ring about them, but showed no preference, and recognized the victor as the lawful sovereign.
In September I unearth from a heap of mould five Cetonia-grubs, paralysed by the Two-banded Scolia and bearing on the abdomen the as yet unhatched egg of the Wasp. I remove the eggs and install the helpless creatures on a bed of leaf-mould with a glass cover. I propose to see how long I can keep them fresh, able to move their mandibles and palpi.
A sentiment of altruism seems indeed not unknown, as I have seen a female give a grub to one of a hungry nestful, before passing on to brood her own eggs, yet unhatched.
Nor, firm of heart as she was, did no evils of a more undefined and less resistible character claim a share in her fast-rising apprehensions; she began to discover that she too was assailable by the terror of the night, although she had not hitherto been aware of it, no one knowing what may lie unhatched in his mind, waiting the concurrence of vital conditions.
If I were only sure of accomplishing any result worth while, if I had the materials to work on if I were sure I cared! The American is an unhatched Englishman, but he won't be hatched out in my time I even long for the close compact drama of English life. Everything is spread over such a vast loose surface here.
This sounds pretty and plausible, and so credits the bird with the wisdom that the public is so fond of believing it possesses. Something like this wisdom often occurs among the hive bees in seasons of scarcity; they will destroy the unhatched queens. But birds have no such foresight, and make no such calculations.
It has been suggested that the body of the first to leave the egg helps to keep the unhatched eggs warm while the parents are away foraging, else its presence would be a serious handicap. The first little owl to hatch out is usually ready to leave the nest soon after the arrival of the last, though these chicks come into the world more helpless even than the majority of birds.
Now, the chick gradually develops the heat producing function during incubation, until towards the close of the period it can take care of itself fairly well in case of lowered external temperature. The power to cool the body by breathing is not, however, granted to the unhatched chick, and for this reason the incubating egg cannot stand excess of heat as well as lack of it.
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