. Key to North American birds. 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 and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . Fig. 76. — DromaognatTuMBskull of tinamou {7%namu8robustus); copied by Shufeldtfrom Hujdey. Letters as be-fore; Mxp, tnaxillo-palatine. suture obliquely with flat imper-forate maxi
. Key to North American birds. 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 and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . Fig. 76. — DromaognatTuMBskull of tinamou {7%namu8robustus); copied by Shufeldtfrom Hujdey. Letters as be-fore; Mxp, tnaxillo-palatine. suture obliquely with flat imper-forate maxillo-palatine plates,which unite both with premax-Ulary and vomer. (/) The tin-amous, DronuBognathcB (fig. 76) have a completely struthiouspalate; vomer very broad,uniting in front vrith broad max-Ulo-palatine plates as in Dro-mtsus; behind articulating withposterior ends of palatines andanterior ends of pterygoids, bothof which are thus prevented, asin all RatitcB, from any extensiveconnection with the rostium;baaipterygoid processes springingfrom body of sphenoid, not fromits rostrum, articulating withpterygoids very near the pos-terior or outer ends of the latter;head of quadrate with a singlearticular facet, as in Ratites. PlTlX. — Pa, Pig. 77. — Sehizognatlums skull ofcommon fowl, nat. size, from nature,, Lettersas before; Pa, palatine. A -^ ^- Scbizognathism (Gr. crxtfa), schiso, I cleave) is the kind ofcleft palate shown by the columbine and gallinaceous birds, by the waders at large, andmany of the swimmers (see fig. 77). In this general case, the vomer, whether large or small,tapers to a point in front, wiile behind it embraces the basisphenoidal rostrum, between thepalatines; these bones and the pterygoids are directly articulated with one another and withthe basisphenoidal rostrum, not being borne upon the divergent posterior ends of the vomer;the maxillo-palatines, usually elongated and lamellar, pass inwards over \wnder, when thesk
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
