The structure and classification of birds

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Identifier: structureclassif00bedd (find matches)
Title: The structure and classification of birds
Year: 1898 (1890s)
Authors: Beddard, Frank E. (Frank Evers), 1858-1925
Subjects: Birds -- Anatomy Birds
Publisher: London New York (etc.) Longmans, Green, and co.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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comes intocontact with the ectethmoid. The maxillo-palatines arecomparatively large and swollen bones ; as in Cariamathese bones are convex on the outer side, and not concave-as in Grits. There are no occipital foramina. It may beremarked that the holorhinal nostrils of this bird show nosuch approach to schizorhiny as is displayed by Chunga. From the anterior part of the maxillo-palatines, on alevel with a point just in front of the commencement of thebony nostrils, a stoutish knob of bone 2 projects inwards oneither side. Of this there are traces in the cranes, parti-cularly in Tetrapteryx. If these processes were to beincreased in size and to meet a bony internasal septum, we 1 P. E. BEDDARD, On the Structure of Psapliia, &c., P. Z. S. 1890, p. 329.- Duly referred to by PAEKEE, Osteology of the Kagu, Tr. Z. S. vi. p. 507. 376 STRUCTURE AND CLASSIFICATION OF BIRDS should have the desniognathous skull of the Americanvultures. P sophia has seventeen cervical vertebra, of which the
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last bears a rudimentary rib. Five dorsal vertebrcc areankylosed, there being two free ones behind. The stern it in GRUES 377 eight ribs articulate (fig. 184) is entire and unnotchedwith it. The atlas is notched for the odontoid process. Fromthe fourteenth cervical vertebra to the third dorsal there areblade-like median hypapophyses. In front of the fourteenththe catapophyses nearly enclose a canal; they get furtherapart and die away anteriorly. The following table showsthe number and character of the hypapophyses in variousGrues :— — Cbuuga Cariama Psophia Rhinochetus Grus Balearica Catapophyses Last on Oil C12 CIS Gil CIS C16 Hypapophyses C12-D1 C13-D1 C14-D3 C12-D3 C1U-C19 C17-C19 The family Eurypygidse contains but one genus andspecies, Eurypyga helias, native of South America. It hasan oil gland, which is generally nude but occasionally tufted,and twelve rectrices. Eurypyga, like Rhinochetus andMesites, has powder-down patches, but their arrangement isvery different from thos

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