. The bird, its form and function . Fig. 130.—Breast-bone of Sandhill Fig. 131.—Breast-bone of Whooping Crane, showing convolutions of tiachea within the keel. 72 The Bird The Syrinx This organ is peeuhar to birds and, as stated before,is alone concerned in the production of the voice, ahhoughthe tongue in parrots may be of some aid in distinctnessof articulation. But this is not true of any other Orderof birds, and the operation of splitting the tongue of amagpie or crow to make it talk is as unnecessary asit is inhumanly cruel. The syrinx is singularly uniform among birds, andthis se
. The bird, its form and function . Fig. 130.—Breast-bone of Sandhill Fig. 131.—Breast-bone of Whooping Crane, showing convolutions of tiachea within the keel. 72 The Bird The Syrinx This organ is peeuhar to birds and, as stated before,is alone concerned in the production of the voice, ahhoughthe tongue in parrots may be of some aid in distinctnessof articulation. But this is not true of any other Orderof birds, and the operation of splitting the tongue of amagpie or crow to make it talk is as unnecessary asit is inhumanly cruel. The syrinx is singularly uniform among birds, andthis seems the more remarkable when we consider thegreat variety of vocal sounds which are produced. Theposition and the structure of this organ vary within nar-row limits, but in general it is composed of several modi-hed rings of the lower trachea or upper bronchial membranes which cover the inner half of each bron-chial tube unite at their juncture wdth the windpipeand extend some little way into it as a thin median foldof tissue, supported by a bony framework. The
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Keywords: ., bookauthorbeebewil, bookcentury1900, bookdecade1900, bookyear1906
