. Text book of vertebrate zoology. Vertebrates; Anatomy, Comparative. BIRDS. 335 median line forming a bony roof across the palate (Fig. 324). In the schizognathous skull there is a gap between the max- illopalatine processes, and another between them and the vomer when the latter is present, the latter bone being pointed in front. In the aegithognathous forms the vomer is truncate in front and cleft behind, the rostrum being embraced between its forks. In the saurognathous skull the vomer is paired. The hyoid arch is but slightly devel- oped ; the first branchials, on the other hand, may be l
. Text book of vertebrate zoology. Vertebrates; Anatomy, Comparative. BIRDS. 335 median line forming a bony roof across the palate (Fig. 324). In the schizognathous skull there is a gap between the max- illopalatine processes, and another between them and the vomer when the latter is present, the latter bone being pointed in front. In the aegithognathous forms the vomer is truncate in front and cleft behind, the rostrum being embraced between its forks. In the saurognathous skull the vomer is paired. The hyoid arch is but slightly devel- oped ; the first branchials, on the other hand, may be large. These two form a Y-shaped structure, the stem consist- ing of an anterior os entoglossum (paired. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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