. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. 124 NORTH AMERICAN BIRDS. Family CERTHIAD^. — Tuh Ckeepers. Guar. Primaries! ten; first very short; less than half the second. Tail long, wedge- shaped, the leathers stiftened and acute. Bill slender, much compressed and curved. Outer lateral toe much longest; hind toe exceeding both the middle toe and the tarsus, which is scutellute anteriorly and very short. Entire basal joint of middle toe united to tlie lateriiL.
. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. 124 NORTH AMERICAN BIRDS. Family CERTHIAD^. — Tuh Ckeepers. Guar. Primaries! ten; first very short; less than half the second. Tail long, wedge- shaped, the leathers stiftened and acute. Bill slender, much compressed and curved. Outer lateral toe much longest; hind toe exceeding both the middle toe and the tarsus, which is scutellute anteriorly and very short. Entire basal joint of middle toe united to tlie lateriiL. Certhin nymricann. Oexus CERTHIA, Linn. Ccrthut, LissJEVs, Syst. Nat. ed. 10th, 1758, 112. {Tyye, C. familiaris.) (See Reichex- UAcu, Handbuch, I, ii, 1853, 256, for a monograph of the genus.) Gen. Char. Plumage soft and loose. Bill as long as head, not notched, compressed; all its lateral outlines decurved. Nostrils not overhung by feathers, linear, with an incum- bent thickened scale, as in Troglodytes. No rictal bristlCvS and the loral and frontal feathers smooth, without bristly shafts. Tarsus scutel- late anteriorly, shorter than middle toe, which again is shorter than hind toe. All claws very long, much curved and compressed; outer lat- eral toe much the longer; basal joint of mi«ldle toe entirely adherent to adjacent ones. Wings rather pointed, about equal to the tail, the leathers of which are much pointed, with stiffened shafts. Primaries ten; lirst less than half the second. Nest in holes of trees; eggs white, sprinkled with reddish. Of the Certhiadce but one c^eniis T)e- lougs to America, — Certhia, with its one small spe ies of contviderable vaiiability with locality. The characters above given include both family and generic characters, derived from tliis one genus. This is readily distinguished by the de- curved, compressed bill ; absence of notch and bristles; exposed linear nos- ^ trils with incumbent scales ; connate middle toe, very long claws, short ta
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectbirdsnorthamerica
