S u b f a i m l y HUCOJ^VINYE.
Bill long, powerful, cui'vcd, tormiiiating in a sharp poiut. Casque high, and, with tlio
exception of one spccies, open in front. Skin around eyes, on sides of nock, throat, and gular
pouch naked. "Wings rcacliirig one third the length of the tail. Legs long, iitted for walking
on the ground, upon which the species pass nearly all their time. Toes short and stout.
The semitendinous and accessory semitendinous muscles of the thigh are repvescnted; hut the
arabicDS, femoro-caudal, and the accessory fomoro-caudal are absent. Tlic spccies are essentially
birds which live upon tlie ground.