and inferior muscles prominent, epithelium dense, longitudinally rugous; intestine rather long and of moderate width; cœca rather long. 316. 1. Charadrius Helveticus, Linn. Black-bellied Plover.--Bull-head. Ox-eye. Plate CCCXXXIV. Male and Young. An extremely diminutive hind toe; bill and feet black. In summer, the upper parts variegated with black, yellowish-brown, and white, the feathers being tipped with the latter; forehead yellowish-white, the rest of the head and hind neck greyish-white, spotted with dusky; hind part of rump, upper tail-coverts and tail-feathers white, transversely barred with brownish-black, the tail tipped with white, and having four dark bars on the middle feathers, and seven or eight on the outer webs of the rest; primary quills and coverts brownish-black, the latter terminally margined with white; shafts of the primaries about the middle, and part of the inner webs toward the base, white; inner six with a white patch on the outer web toward the base, and margined with white externally; outer secondary feathers white at the base, and margined with the same; inner dusky, with marginal triangular white spots; a narrow ring round the eye, and a broad longitudinal band on each side of the neck, together with the abdomen and lower tail-coverts, white; loral space, cheeks, fore part of neck, breast, and axillar feathers, black. In winter, the upper parts spotted with pale yellow, the lower greyish-white, the throat, neck, and sides streaked with dusky, the axillars black. Young pale brownish-yellow, mottled with dusky, rump whitish. After the second moult, the upper parts brownish-black, spotted with white, some of the spots yellow; fore part and sides of neck and body, greyish-white, mottled with brownish-grey, the rest of the lower parts white. _Male_, 11-3/4, 25. From Texas along the coast to the northern extremity of the Continent. Breeds from Virginia northward. Not abundant. Tringa helvetica and Squatarola, Linn. Syst. Nat p. 250, 252. Black-bellied Plover, Charadrius helveticus, Wils. Amer. Orn. v. vii. p. 41. Summer. Charadrius helveticus, Bonap. Syn. p. 298. Grey Lapwing, Vanellus melanogaster, Swains. & Rich. F. Bor. Amer. v. ii. p. 370. Black-bellied or Swiss Plover, Nutt. Man. v. ii. p. 26. Black-bellied Plover, Charadrius helveticus, Aud. Orn. Biog. v. iv. p. 280. 317. 2. Charadrius marmoratus, Wagler. American Golden Plover. Plate CCC. Adult in summer, winter, and spring.