. Evenings at the microscope : or, researches among the minuter organs and forms of animal life. Microscopy; Microscopes; Medical microscopy. lias suddenly shrunk up to a sixth part of its former length, exchanging at the same time its smooth slender- ness and translucency for a corrugated semi-opa- city. I push the knob aside with a needle's point and thus destroy its adhesion; which done, I take up the severed and shrunken sucker, and lay it in a little sea-water in the live-box. STJOKL m. Under a power of 180 diameters we see that the tube is composed of two series of muscular fibres, the o
. Evenings at the microscope : or, researches among the minuter organs and forms of animal life. Microscopy; Microscopes; Medical microscopy. lias suddenly shrunk up to a sixth part of its former length, exchanging at the same time its smooth slender- ness and translucency for a corrugated semi-opa- city. I push the knob aside with a needle's point and thus destroy its adhesion; which done, I take up the severed and shrunken sucker, and lay it in a little sea-water in the live-box. STJOKL m. Under a power of 180 diameters we see that the tube is composed of two series of muscular fibres, the one set running length- wise, the other transversely or annularly; the former by their contraction diminishing the length of the tube, the latter diminishing its calibre. The muscular walls are covered with a transparent skin, studded with round orange-coloured spots, perhaps glandular, exactly simi- lar to those we saw on the ex- terior of the spines and Pedicel- laria. Now, to illustrate the action of these tubular feet, I must again have recourse to the de- nuded shell of a preserved Echinus. Taking this globose empty box into your hand, hold it up against the light, looking P0EE8 OF uncniN. .j^ ^^ ^j^g jg^gg Ovi^GQ, which was once occupied by the mouth ;—you see that the whole shell is pierced with minute holes—pores, which. 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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