is heard the loud startling cry of the Horned Screamer. Formidable snakes of all kinds infest these

haunts; but by the aid of the powerful, large, hard spurs upon the joint of each wing, it is enabled to protect itself and its young from their assaults. If not attacked, however, its habits are shy, and its disposition gentle. When in search of the leaves and seeds of the aquatic plants on which it partly subsists, it wades deep into the water, and when on the ground walks with an air of pride, keeping its head elevated. Its flight, as might be expected from the length and spread of its wings, is strong and sweeping. These birds live in pairs that are united for life, and make their nest on the ground. According to the natives they lay two white eggs.

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THE ANIUMA, OR HORNED SCREAMER (Palamedea cornuta). ONE-FIFTH NATURAL SIZE.

THE CHAUNA, OR TSCHAJA.

The Chauna, or Tschaja (Chauna Chavaria), has a horn upon the brow, but a shorter beak than the Aniuma; the bridles are bare, the nape decorated with a crest, and the plumage soft, but not of velvety texture, on the head and neck. The feathers of the crest and on the crown are grey, those on the cheeks, throat, and upper neck white, those of the mantle brown, of the nape and