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HORN (a common Teutonic word, cognate...

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Originally appearing in Volume V13, Page 697 of the 1911 Encyclopedia Britannica.
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HORN (a See also:common See also:Teutonic word, cognate with See also:Lat. See also:cornu; cf. Gr. Kipas)  . The weapons which project from the heads of various See also:species of animals, constituting what are known as horns, embrace substances which are, in their anatomical structure and chemical See also:composition, quite distinct from each other; and although in See also:commerce also they are known indiscriminately as See also:horn, their uses are altogether dissimilar . These See also:differences in structure and properties were thus indicated by See also:Sir R . See also:Owen:—" The weapons to which the See also:term horn is properly or technically applied consist of very different substances, and belong to two organic systems, as distinct from each other as both are from the See also:teeth . Thus the horns of See also:deer consist of See also:bone, and are processes of the frontal bone; those of the See also:giraffe are See also:independent bones or ` epiphyses' covered by hairy skin; those of oxen, See also:sheep and antelopes are ` apophyses' of the frontal bone, covered by the corium and by a sheath of true horny material; those of the prong-horned See also:antelope consist at their basis of bony processes covered by hairy skin, and are covered by horny sheaths in the See also:rest of their extent . They thus combine the See also:character of those of the giraffe and See also:ordinary antelope, together with the See also:expanded and branched See also:form of the antlers of deer . Only the horns of the See also:rhinoceros are composed wholly of horny See also:matter, and this is disposed in See also:longitudinal See also:fibres, so that the horns seem rather to consist of coarse bristles compactly matted together in the form of a more or less elongated sub-compressed See also:cone." True horny matter is really a modified form of epidermic See also:tissue, and consists of the albuminoid " keratin." It forms, not only the horns of the ox tribe, but also the hoofs, claws or nails of animals generally, the See also:carapace of the tortoises and the armadilloes, the scales of the See also:pangolin, See also:porcupine quills, and birds' feathers, &c . Horn is employed in the manufacture of combs, buttons, the handles of walking-sticks, umbrellas, and knives, drinking-cups, spoons of various kinds, See also:snuff-boxes, &c . In former times it was applied to several uses for which it is no longer required, although such applications have See also:left their traces in the See also:language . Thus the musical See also:instruments and See also:fog signals known as horns indicate their descent from earlier and simpler forms of apparatus made from horn . In the same way See also:powder-horns were spoken of See also:long after they ceased to be made of that substance; to a small extent lanterns still continue to be " glazed " with thin trans-See also:parent plates of horn .

End of Article: HORN (a common Teutonic word, cognate with Lat. cornu; cf. Gr. Kipas)
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