. The structure and classification of birds . FIG. 176.— SYRINX OF Loinrin troile (AFTER BEDDARD). », intrinsic muscle. FIG. 177.— SYRINX OF Cerutorlinntmonocerata (AFTER BEDPAKI>).i, intrinsic muscle. Lomvia troile, Synthliborhamphus antiquus, and Uriacolumba. In Lomvia troile the last four or five tracheal rings enterinto the formation of a three-way piece, which is deeplyexcavate medianly. The intrinsic muscles are attached tothe first bronchial semi-ring, which hardly differs from thosethat follow ; it and the one which immediately succeeds areslightly more broad than the rest. Alca tor
. The structure and classification of birds . FIG. 176.— SYRINX OF Loinrin troile (AFTER BEDDARD). », intrinsic muscle. FIG. 177.— SYRINX OF Cerutorlinntmonocerata (AFTER BEDPAKI>).i, intrinsic muscle. Lomvia troile, Synthliborhamphus antiquus, and Uriacolumba. In Lomvia troile the last four or five tracheal rings enterinto the formation of a three-way piece, which is deeplyexcavate medianly. The intrinsic muscles are attached tothe first bronchial semi-ring, which hardly differs from thosethat follow ; it and the one which immediately succeeds areslightly more broad than the rest. Alca tor da is rather more gull-like, there being nomarked depression in the pessulus medianly, and the trims-parent membrana tympaniformis being sharply marked offfrom a thicker yellowish region behind. 361 STRUCTURE AND CLASSIFICATION OF BIRDS Synthliborhatnphus antiqmis has also a perfectly typicaltracheo-bronchial syrinx, the first bronchial semi-ring (towhich intrinsic muscles are fixed) being longer and deeperthan those which follow. Phal
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898
