ORDER IV. The GRALLÆ, have a somewhat cylindrical bill: The tail is short, and the thighs are naked. This order contains 20 genera, viz. Phoenicopterus, Platalea, Palamedea, Mycteria, Tantalus, Ardea, Corixa, Recurvirostra, Scolopax, Tringa, Fulica, Parra, Rallus, Vaginalis, Plophia, Canicola, Scopus, Glareola, Haematopus, Charadrius.