No crest ; bill thin ; hind toe small.
Chettusia gregaria (Pallas). SOCIABLE PLOVER. ? Above dove grey ; crown, lores, post-ocular streak, and primaries black ; forehead, supercilium (prolonged back and meeting at nape), greater wing coverts, secondaries, tail (two central pairs with black bar), and under tail coverts white ; throat and cheeks huff, breast grey, belly black, centre of abdomen chestnut. Bill, legs and feet black. Wing 200-205. Tarsus 55-6o. Bill 25-27. Breeds.—S., C., and E. Russia up to about 53' N. ; also in Siberia. Occurs in Egypt and Caucasus on passage ; winters in N.E. Africa and India. Rare visitor to W. Europe, casual in
Chettusia leucura (Lichtenstein).
? Crown, throat, foreneck and upper parts brown, tinged lilac on back and wings, median wing coverts and tail white ; primaries black, under wing coverts and axillaries white ; beneath, breast grey, abdomen and under tail coverts buff. Iris red brown. Bill black. Legs and feet yellow. Wing 173-185. Tarsus 64-72. Bill 28-3o (li.).
Preeds.—S.W. Asia. Rare in Egypt on passage ; winters N.H. Africa to India. Very rare visitor to Europe, has occurred in Russia, S. France, and Malta.