Bonaparte, Charles Lucian, 1803-1857 / American ornithology, or, The natural history of birds inhabiting the United States, not given by Wilson : with figures drawn, engraved, and coloured, from nature
Lark finch. Fringilla grammaca. Plate V. Fig. 3, pp. 47-48 ff.
LARK FINCH. the lower mandible; the chin and throat are pure white. The neck above, the back, and rump, are dull cinereous-brown, each feather of the interscapular region having a blackish-brown disk; the neck beneath and breast are dull whitish-cinereous; a small blackish-brown spot is on the middle of the breast; the belly and vent are white. The wings are dusky-brown; the lesser wing coverts are margined with dull cinereous; the exterior primary is equal to the third; both are very little shorter than the second, which is longest; the outer webs of the second, third, and fourth primaries, being whitish near their bases, form a distinct spot on the wing. The tail is rounded, the feathers being blackish-brown; the two intermediate ones are immaculate, somewhat paler than the others. The adjoining ones have a small white spot at tip, which, on the lateral feathers, increases in size, until, on the exte- rior one, it occupies half the total length of the feather; whilst its exterior web is white to the base. The female is very similar to the male, but the colours are duller, and the stripes on the head are not so decided; the auriculars, moreover, are yellowish-brown. This species has the bill and feet precisely similar to those of Wilson's Black-throated Bunting, and those other Fringillte, and supposed Emberizav, of which I have constituted the sub-genus Spiza, in my "Observations on Wilson's Ornithology." It cannot be mistaken for any other species, being very peculiar in its mark- ings and manners. 48R
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