116. Otis tetrax.
THE LITTLE or BUTTERFLY BUSTARD.
Tetrax= a bird known to the ancient Greeks. Chota-tilaor, India.
Male 17" to 19"; 1 1/2 to 2 lbs. Legs yellow. Bill brown.— Male: In summer, neck and upper breast black, with white necklet and white gorget. In winter, chin and throat white; sides of head, neck, and foreneck streaked and mixed black and buff. Breast white. Back chestnut, streaked black irregularly. Tail of eighteen feathers.— Female: Head and neck chestnut, mottled black. Breast with short black bars. S. Europe, N. Africa, C. Asia, including Afghanistan and Yarkand. Eggs (2.0 x 1.5) glossy green, more or less blotched brown. (B. 1413. H. & M. i. 3.)
Also O. affinis, an extinct species from Bavaria.
Also the genus Lophotis. Two species— L. ruficristata, 16", from S. Africa; and L. gindiana, 16", from E. Africa.
Also the genus Compsotis. Two species— C. afra, 19", from S. Africa; and C. leucoptera, 19", from S.E. Africa.
Also the genus Heterotetrax. Three species— S. vigorsi, 20", from S. Africa; H. ruppelli, 20", from S. Africa ; and H. humilis, 16", from Somaliland.
Also the genus Neotis. Five species— N. ludwigi, 36" from S. Africa; N. bur chilli, 30", from N.E. Africa; N. caffra, 30", from S. Africa; N. denhami, 38", from W. Africa; and N. henglini, 25", from Somaliland.
Also the genus Lissotis. Four species— L. maculipennis, from E. Africa; L. nuba, 25", from N.E. Africa; L. melanogaster, 22", from tropical Africa ; and L. hautlaubi, 27", from N.E. Africa.
Also the genus Trachelotis. Four species— T. coerulescens, 16", from S. Africa; T. canicollis, 22", from E. Africa; T. senegalensis, 18", from E. Africa; and T. barrovii, 17", from S. Africa.