. On the natural history and classification of birds . perfectly conic; the two mandibles equal; the uppersinuated in the middle, the tip rather exceeding thatof the lower, and with a very slight notch: com-missure sinuated. Wings and tail more or lessrounded; the first quill nearly as long as the only. C. caerulea. Wilson, pi. 24. f. 6. Coccothraustes, Briss. Bill very large, rather imper-fectly conic; the upper mandible much thicker thanthe under; the tip entire; the commissure simplyarched, without undulations. Wings long; the first,second, and third quills nearly equal. Tail
. On the natural history and classification of birds . perfectly conic; the two mandibles equal; the uppersinuated in the middle, the tip rather exceeding thatof the lower, and with a very slight notch: com-missure sinuated. Wings and tail more or lessrounded; the first quill nearly as long as the only. C. caerulea. Wilson, pi. 24. f. 6. Coccothraustes, Briss. Bill very large, rather imper-fectly conic; the upper mandible much thicker thanthe under; the tip entire; the commissure simplyarched, without undulations. Wings long; the first,second, and third quills nearly equal. Tail short,more or less forked. Northern America, Europe,and temperate Europaeus. Selby, pi. 55. vespertina. Spermophaga, Sw. Bill moderate, conic, but ratherlengthened; upper mandible thicker than the under;the tip entire; the commissure sinuated. Wings andtail much rounded; the first quill fully developed,but only half as long as the fifth. cyanorynchus. West. 164. ,,68,T 3 278 ON THE CLAS
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Keywords: ., bookcentury1800, bookid, booksubjectbirds, booksubjectornithology
