family CHIONIDIDAE. SHEATHBILLS.*
Apparently connect the Jacanas, Snipes, Turnstones, etc., with the Gulls.
The size of a Pigeon, with rather the appearance of a Fowl. White plumage, light pink legs, small spurs on inner side of wings, and a black bill. Bill complex. Hind toe present. Feet not webbed, only a membrane between third and fourth toes at base. Tarsus reticulated in front and behind. Nest in holes or behind rocks. One to three eggs, similar to those of the Oyster-Catcher, but blotched purple. Nestling covered with grey down. Two genera, viz.—
Chionis, with face bare and caruncles near base of bill; bare space below eye. One species— C. alba, 15", the Kelp Pigeon, confined to S. of S. America and adjacent islands.
Chionarchus, with face bare in front of the eye; no caruncles at base of the bill. Two species— C. minor, Male 16", female 15 1/2", feet yellow, and sheath with rounded Petrel-like opening above the nostrils, from islands of S. Atlantic; and C. crozettensis, 14", feet dark red, and sheath with no perceptible rounded opening in front, from Crozette Islands.