. Key to North American birds [microform] : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland. Birds; Ornithology; Oiseaux; Ornithologie. 170 GENERAL OBNITHOLOGT. the gist (if (IronKVognathism; it is oxliibited in several ways, (a) In Struthio alone, fig. , the very short vomer, home ui)on tlic rostrum, articulates neither with palatines nor with pfrry- golds, but M-ith the niaxillo-palatincs ; and the palatines, which are remote from the rostnim, advance beyond


. Key to North American birds [microform] : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland. Birds; Ornithology; Oiseaux; Ornithologie. 170 GENERAL OBNITHOLOGT. the gist (if (IronKVognathism; it is oxliibited in several ways, (a) In Struthio alone, fig. , the very short vomer, home ui)on tlic rostrum, articulates neither with palatines nor with pfrry- golds, but M-ith the niaxillo-palatincs ; and the palatines, which are remote from the rostnim, advance beyond tlie maxillo-palatines, as in birds. (?>) In Rhea, the vomer is as long as usual in birds, and articulates beliind with the palatines and pterygoids, but does not join thn maxillo-palatiues in front; the sliort palatines unite with the inner and posterior edges r if the thin fenestrated maxillo-i)alatiues. (c) In Casuarius and Dromeeus (cassowary and emeu), the long vomer articulates behind witli tlie palatines and pterygoids, and unites in front with the maxillo-palatines; these are flat, imperforate, and solidly joined to the premaxillie; the palatines are short, (d) The extinct Dinornis had flat imperforate maxillo-palatino plates uniting solidly with the premaxillie, and probably with the vomer, as in Dromeeus. (r) hi Apteryx, tlie long vomer unites with palatines and pterygoids behind; sliort broad paliitinos I'mx-^^. ^, Pmx- Mi 'xp. Pt-. 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 Coues, Elliott, 1842-1899. Boston : Estes and Lauriat


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884