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Updated: June 23, 2025
He has no song, is solitary, and utters a monotonous whistle which sounds like “quet.” He is fond of the seeds of the hitia-tree, and those of the siloabali and bastard-siloabali trees, which ripen in December, and continue on the trees for about two months. He is found throughout the year in Demerara; still nothing is known of his incubation.
Yet among the majority of our song-birds the male is most conspicuous both by his color and manners and by his song, and is to that extent a shield to the female. It is thought that the female is humbler clad for her better concealment during incubation. But this is not satisfactory, as in some cases she is relieved from time to time by the male.
The following table gives the vapor pressure at Buffalo, N. Y., for twenty consecutive days in April: Supposing a hatch to be started at the beginning of the above period, by the end of the first week, with the excessive evaporation, due to a low vapor pressure, the eggs would all be several per cent. below the normal water content; the fact that the next week was warm and rainy, and the vapor pressure rose until the loss was entirely counterbalanced, would not repair the injury, even though the eggs showed at the end of incubation exactly the correct amount of shrinkage.
I heard him tell the mate that there was nothing in the medicine chest to meet such an emergency. "'In fact, he said, mournfully, 'even on shore, with the best of medical skill, there is no hope for a man bitten by a mad dog. The period of incubation is from ten days to a year. I will navigate the ship until I lose my head, Mr. Barnes; then, for fear of harm to yourselves, you must shoot me dead.
As to the short time of incubation, of which so much is made, we have no right to decide beforehand whether it shall be long or short, in the cases we are considering. A dissection wound may produce symptoms of poisoning in six hours; the bite of a rabid animal may take as many months. After the student has read the case in Dr.
"And at this period," continued Dr. Wycherley, "my experience leads me to believe that some latent delusion is generally germinating in the mind, though often concealed with consummate craft by the patient: the open development of this delusion is the next stage, and, with this last morbid phenomenon, Incubation ceases and Insanity begins.
The disease might have an incubation period of nearly fifteen years, judging by the length of time it had taken to hit Durwood. It must spread from person to person during an early contagious stage, leaving widening circles behind Durwood and those first infected. When matured, any other sickness would set it off, with few symptoms of its own.
To our astonishment we saw black albatross among these birds in a state of entire domestication, going to sea periodically for food, but always returning to the village as a home, and using the southern shore in the vicinity as a place of incubation. There they were joined by their friends the pelicans as usual, but these latter never followed them to the dwellings of the savages.
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.
For their crude and pathetic literality, their image of the Godhead actually giving Himself, as they emphatically say, to be chewed by the poor and humble man and the serf, show them to have been most especially born, abortions though they be, in the mightiest throes of mystical feeling, after the incubation of whole nations, born of the great mediæval marriage, sublime, grotesque, morbid, yet health-bringing, between abstract idealising religious thought and the earthly affections of lovers and parents a strange marriage, like that of St.
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