The wild fowl of the United States and British possessions, or, The Swan, geese, ducks, and mergansers of North America with accounts of their habits, nesting, migrations, and dispersions, together with descriptions of the adults and young, and keys for the ready identification of the species : a book for the sportsman, and for those desirous of knowing how to distinguish these web-footed birds and to learn their ways in their native wilds