. Evenings at the microscope : or, researches among the minuter organs and forms of animal life. Microscopy; Microscopes; Medical microscopy. STi; I THKIR WKM'ONS. 409 after another, sucked in, as it were, through an imper- ceptible orifice. Before the whole have disappeared, we will secure a portion for examination. For this end I cut off with a sharp scissors about one-sixth of an inch of the extremity of one of the threads, which now I transfer to a drop of sea-water in the compressorium. These threads are called acontia. Examining this fragment under a low power of the microscop
. Evenings at the microscope : or, researches among the minuter organs and forms of animal life. Microscopy; Microscopes; Medical microscopy. STi; I THKIR WKM'ONS. 409 after another, sucked in, as it were, through an imper- ceptible orifice. Before the whole have disappeared, we will secure a portion for examination. For this end I cut off with a sharp scissors about one-sixth of an inch of the extremity of one of the threads, which now I transfer to a drop of sea-water in the compressorium. These threads are called acontia. Examining this fragment under a low power of the microscope, we readily see that, though at first it seems a solid cylinder, it is really a flat narrow ribbon. poKTiON OF ACONTTOM iJlattenecC^ with the edges curved in, which can at pleasure be brought into contact, and thus constitute a "tube. Like all other internal organs in these animals, its surface is richly ciliated, and the ciliary currents not only hurl along whatever floating atoms chance to approach the 18. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gosse, Philip Henry, 1810-1888. New York, D. Appleton
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