Length to end of tail 23-1/2 inches, to end of wings 25, to end of loose feathers 30, to end of claws 30-1/4, to carpal joint 12-1/4; extent of wings 43-1/2; bill along the ridge 2-7/8, along the edge of lower mandible 4; width of gape 1-1/4; depth of bill at base 7-(1/2)/8; wing from flexure 12-1/2; bare part of tibia 2-1/4; tarsus 4-1/8; middle toe 2-1/2, its claw 3/8; outer toe 1-7/8, its claw (2-1/2)/8; inner toe 1-3/4, its claw (2-1/2)/8; hind toe 1, its claw 5/8; tail 5. Weight 1 lb. 9 oz. The Female resembles the male, but is somewhat smaller. The Young in October. Plate CCCXXXVI. Fig. 2. Bill greenish-black, the lower and basal part of the lower mandible greenish-yellow, as are the eyelids and bare space before the eye. Iris pale orange. Legs and feet dull yellowish-green, the scutella and scales in front, as well as the claws, dusky. Upper part of head and hind neck, black, longitudinally marked with somewhat triangular elongated white spots; sides of the head and neck pale dull yellowish-brown, streaked with darker; the upper parts light grey tinged with brown, the feathers edged with yellowish-white, and tipped with a triangular spot of the same; the primaries and their coverts with the tail darker, margined with dull white. The fore part of the neck, and all the lower parts, dull yellowish-grey, each feather with its central part dark greyish-brown; lower tail-coverts unspotted. Length to end of tail 23-1/2, to end of claws 29-1/2; extent of wings 40. Weight 1 lb. 7 oz. Adult Male from South Carolina. The upper mandible is slightly concave, with a median prominent ridge, the palate convex with two ridges; the posterior aperture of the nares linear, with an oblique papillate flap on each side; the lower mandible deeply concave. The tongue is of moderate length, measuring 1-3/4 inch, emarginate at the base, trigonal, flat above, tapering to a point. The œsophagus, which is 12 inches long, gradually diminishes in diameter from 1-1/2 inch to 1 inch. The proventriculus is 1-1/2 inch long, its glandules cylindrical, forming a complete belt, the largest 3 twelfths long. The stomach is roundish, 2 inches in diameter, compressed; its muscular coat thin, and composed of large fasciculi; its tendinous spaces nearly 1 inch in diameter; its inner coat even, soft, and destitute of epithelium. There is a small roundish pyloric lobe, 4 twelfths in diameter; the aperture of the pylorus is extremely small, having a diameter of only half a twelfth. The intestine is long and very slender, 6 feet 3 inches in length, its diameter at the upper part 3 twelfths; diminishing to 2-1/4 twelfths, for about a foot from the extremity enlarged to 5 eighths; the rectum 6-1/4 inches long; the cœcum 5 twelfths long, 1-1/2 twelfth in diameter at the base, tapering to 1 twelfth, the extremity rounded. The stomach contained fragments of crustacea.