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Show 1892.] CLASSIFICATION O F BIRDS. 241 Legs long; four toes, not webbed. Hypotarsus complex. Flexors of type I. or VII. Orthoccelous, type II. Caeca rudimentary. Tracheo-bronchial muscles attached to second bronchial rings. 1. Ardeidce. 19 or 20 cervical vertebrae. Several pairs of powder-down patches. 11 primaries.-Cosmopolitan. 2. Scopidce. 16 cervical vertebrae. No powder-down patches. 10 primaries.-Ethiopian. III. PELARGI. Cosmopolitan. Waders. Neck long, without apteria. Nares pervious. Rhamphotheca simple. Legs long. Hypotarsus simple. Intestinal type IV., telogyrous. 1. Ciconiidce. Zoophagous. Nidicolous. 17 cervical vertebrae. Hallux long, toes not webbed. Flexors of type I. Tongue rudimentary. Caeca rudimentary. Syrinx without tracheo-bronchial muscles. 2. Phcenicopteridce. Tropical. Nidifugous. 18 or 19 cervical vertebrae. Hallux small, front toes webbed. Flexors of type IV. Tongue large and thick. Caeca functional. Syrinx with tracheo-bronchial muscles. 11. FALCONIFORMES. Cosmopolitan. Nidicolous. Zoophagous. Desmognathous. Bill raptorial. Rhamphotheca simple, with ceroma. Aquinto-cubital. Feet raptorial. Hypotarsus simple. Intestinal convolutions of type IV., telogyrous. Caeca rudimentary. Coraco-humeral groove indistinct. |