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All these birds were comprehended by Linn?us under the generic name of Strix, but later naturalists have subdivided them into several genera, dependent on the size of the ears and of the ocular discs, on the presence or absence of two remarkable tufts of feathers on the head having somewhat the appearance of horns, and on the covering of the legs and feet. The Virginian Horned Owl is spread over nearly the whole continent of America from north to south. Its plumage is brown above, marked with numerous transverse black stripes, and the feathers of the under surface are of a dirty white, transversely striped with blackish-brown.
The fourth Order of Birds, the Waders, are strikingly characterized by the great length of their legs, the lower part of which is entirely bare of feathers; a peculiarity which is of essential service by enabling them to stand for a long time in the water without injury to their plumage, watching for the fish and reptiles, of which the larger species, and the worms and insects, of which the smaller among them, make their usual prey.
Plyctolophus sulphureus. Vieill.
