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Updated: June 28, 2025
For he will find that the young animal or egg is covered with numberless minute hairs or cilia, each one of which is endowed with a distinct and innate power of vibration; so that by means of thousands of almost invisible oars, the young sponge "shoots like a microscopic meteor through the sea," until it arrives at some rock or other place properly adapted for its future growth; then it settles calmly and contentedly down, and gradually losing its locomotive power, begins to spread on its base; and builds up, within its living substance, a horny framework, such as we have already seen in its parent.
Even if a minute particle of sperm, less than a drop, be left upon the margin of the external genitals of the female, it is sufficient in amount to impregnate, and can be carried, by help of these cilia, to the ovaries. CONCEPTION. After intercourse at the proper time the liability to conception is very great.
The constriction of the body extended inwards until the two portions were united by a narrow isthmus; finally, they separated and each swam away by itself, a complete Heteromita, provided with its two cilia. Sometimes the constriction took a longitudinal direction, with the same ultimate result. In each case the process occupied not more than six or seven minutes.
The Norwegian Magosphaera planula, swimming about by means of the lashes or cilia at its surface. Section of Magosphaera planula, showing how the pear-shaped cells in the centre of the gelatinous ball are connected by a fibrous process.
Cell contents uniform, dense, cell division accompanied by circumscissile debiscence of the parent cell, producing rings on the filaments. Reproduction by zoospores formed of the whole contents of a cell, with a crown of numerous cilia; resting spores formed in sporangial cells after fecundation by ciliated spermatozoids formed in antheridial cells.
Her hands closed over each other, gripped each other so tightly that the knuckles showed quite white. "I had left him at his desk, he had so much to do, and when I returned not a stroke had been done. But I heard heard them downstairs, at the back of the house near the kitchen door." "Heard whom?" "Wolfgang and her, of course Cilia. I had only been away quite a short time." "Well and then?"
Such an animal soon completes its growth: for the stage which I have spoken of as transient for the higher Radiates is permanent for these; and when the little sphere moving about by means of its vibratile cilia has elongated a little, attached itself by the lower end to some surface, while the inversion of the upper end has formed the mouth and digestive cavity, and the expansion of its margin has made the tentacles, the very simple story of the fresh-water Hydra is told.
Cilia only nodded and hid her streaming eyes in her apron, but the cook said dully: "It's about over." "About over? Will he really die Wolfgang, the boy?" The woman stared incredulously: that was impossible. But she had turned terribly pale. "Well, it's bad enough," said the cook.
He said good-bye to them quickly and went on alone. Death had touched his elbow. And one of the old songs he had sung with Cilia, the girl from his childhood, suddenly darted through his mind. Now he understood its deeper meaning for the first time: Art thou now with fair cheeks prancing, Cheeks milk-white, through rose-light glancing? Roses wither soon, alas!
So all she had done was to wrap up all the pictures of the saints she kept in her prayer-book quickly in paper, and stick them into the drawer in the table that stood at the boy's bedside he would be sure to find them there after she had written "Love from Cilia" on them. Then she had gone away.
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