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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1870 Excerpt: ...to the bottom. Should a quantity of sand be now TEBEBELLA CONCHILEGA. scattered from above, the tentacula relaxing speedily extend to sweep the vessel clean, so that in the briefest interval, not a particle remains within their reach. The whole have been collected for employment in the construction of a new artificial dwelling for sheltering the naked body of the architect. Permanent exposure to the light, or to the air, is pernicious. "The artifice, the selection of materials, and the expedition demonstrated by this creature are truly admirable; nor is it a small gratification to the curious, that all its qualities may be displayed before them. Should a tube be already constructed on the side of a glass vessel, wherein a specimen has had a permanent abode, the inhabitant is found lurking within in the earlier part of the day, only the extremities of the tentacula protrude beyond the orifice, and so they remain till towards noon. But scarcely has the sun passed the meridian, when the animal begins to be restless. Between four and five, the animal has risen upwards, the tentacula extending with the approach of evening, and after sunset, they are in the greatest activity. They are now let down from the orifice like so many slender cords, each seizes on one or more grains of sand, and drags up its burden to the top, there to be employed at the summit of the tube, according to whatever service is requisite. Should any of the ladening slip its hold, the same organs search eagerly after it at the bottom, to be seized and raised up to the top anew. Such operations are protracted during several hours, though without any visible additions to the tube. Nevertheless, on resuming inspection next morning, a surprising prolongation will be discovered; or instead of ...
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