. Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush . ^ Something somewhatcere-like, but consisting of an enlarged and sicollen mem-. 20 EXTERNAL PARTS hrane extending over the nostrils, is found in the doves andin the pigeons. The rictal portion of the mouth is frequentlyfringed Avith longer or shorter hairs; these are called Shape of the gape. — The gai)e is straiyht^ when the commis-sural line, formed by the tomia and the rictus, is line may ho rurrcdr sinuate,* or augulate. General size a
. Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush . ^ Something somewhatcere-like, but consisting of an enlarged and sicollen mem-. 20 EXTERNAL PARTS hrane extending over the nostrils, is found in the doves andin the pigeons. The rictal portion of the mouth is frequentlyfringed Avith longer or shorter hairs; these are called Shape of the gape. — The gai)e is straiyht^ when the commis-sural line, formed by the tomia and the rictus, is line may ho rurrcdr sinuate,* or augulate. General size and form of the bill. — The length of the head isused to measure the length of the bill. A long ^ bill is longerthan the head, a short bill shorter, and one of medium lengthis about as long as the head. A compressed^ bill is one flat-tened sideways, so that its height is greater than its width. Adepressed one is flattened up and down, or is wider than straight ^*^ bill is not only straight throughout its length, butis also in line with the head. If not in line with the head, itis said to be hent}^ A recurved- bill is one that curves ui)ward,and a clecurved ^ bill one that curves downward.
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsunitedstates
