. The structure and classification of birds . vh\. FIG. 147.— SYEINX OF MALE Tetrao tetrix. FRONT VIEW.(AFTER GARROD.) box of the male ducks, and be thus another of those manyunexpected resemblances between the two groups. The Cracidse (fig. 148) generally possess the intrinsic mus-cles, which are, however, short, as in the other Galli. Thesyrinx itself has no salient characters by which it may bedistinguished from the Alectoropodes. GARROD l has also described and figured (fig. 150) thesyrinx of the megapode Megacephalon maleo. It is rather 1 On the Anatomy of the Maleo, P. Z. S. 1878, p.


. The structure and classification of birds . vh\. FIG. 147.— SYEINX OF MALE Tetrao tetrix. FRONT VIEW.(AFTER GARROD.) box of the male ducks, and be thus another of those manyunexpected resemblances between the two groups. The Cracidse (fig. 148) generally possess the intrinsic mus-cles, which are, however, short, as in the other Galli. Thesyrinx itself has no salient characters by which it may bedistinguished from the Alectoropodes. GARROD l has also described and figured (fig. 150) thesyrinx of the megapode Megacephalon maleo. It is rather 1 On the Anatomy of the Maleo, P. Z. S. 1878, p. 629. GALL1 :>97 peculiar in form, but has a pair of intrinsic muscles, whichreach the first bronchial semi-ring ; in this point the syrinxis more primitive than that of other Galli.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898