. 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. Birds; Birds; 1887. 670 SYSTEMATIG SYNOPSIS. — ALECTOMIBES— BALLIFOBMES. with ease the mazes of the reedy marshes to which they are almost exclusively confined : whUe by means of th
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. 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. Birds; Birds; 1887. 670 SYSTEMATIG SYNOPSIS. — ALECTOMIBES— BALLIFOBMES. with ease the mazes of the reedy marshes to which they are almost exclusively confined : whUe by means of their long toes they are prevented from sinking in the mire or the filiating vegetation. The wings are never long and pointed as among LimicoUe, being in fact of the shortest, most rounded and concave form found among waders; and the flight is rarely pro- tracted to any great distance. The tail is always very short, generally of 10 or 12 soft feathers. Details of the bill and feet vary with the genera ; but the former is never sensitive at the tip, and the latter have the hallux longer and lower down than it is in the shore-hirds. The nostrils are pervious, of variable shape. The head is completely feathered; the general plumage is ordinarily of subdued and blended coloration, lacking much of the variegation commonly observed in shore-birds ; the sexes are usually alike, and the changes of plumage not great with age or season. The food, never probed for in the mud, but gathered from the surface of the ground or water, consists of a variety of aquatic animal and vegetable substances. The nest is a rude structure, placed on the ground, or in a tuft of reeds or other herbage ; the eggs are numerous, generaUj^ variegated in color; the young are hatched clothed. The general habit is gregarious, and migratory ; many species occur in vast multitudes, though their skulking ways, and the nature of their resorts, withdraw them from casual observation. Some species swim habitually. Ther