The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 131
uments consisting ofno fewer than five distinct pieces, all of whichare carried under the chin, and, when not in use,are carefully inclosed within an elastic sheath. The five parts referred to, consist, as shown inthe figures, of the blood-sucking tube, marked A,the central piece; two knives, B, B;… … THE MAGNIFIED VIEW OF THE TONGUE OF A HORSE-FLY. hooked pieces, C, C. These are the only organsdirectly employed to draw the blood, but, in addi-tion to them, there are a pair of feelers, or palpi(E, E), used to locate the best point of attack. All these, except the palpi, are closed when notin…
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