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Ayres, 1880, Ibis, p. 109
Grant, 1892, Ibis, p. 54
Gray, 1870, Hand-l. B. ii. p. 264, no. 9651
Buckley, 1874, Ibis, p. 386
Ayres, 1869, Ibis, p. 297
Gurney’s ed, 1872, Anderss. B. Damaraland, p. 244
Gray, 1844, List Gall. B. iii. p. 32
Ayres, 1886, Ibis, p. 292
Ayres, 1877, Ibis, p. 346
Newton, 1868, Ibis, p. 268
Smith, 1836, Rep. Exp. Cent. Afr. p. 54
Smith, 1838, Ill. Zool. S. Afr. pl. 12
Strickl. & Sclat., 1852, in Jard. Contr. Orn. p. 157
Shelley, 1882, Ibis, p. 360
Layard, 1867, B. S. Afr. p. 269
Shaeck, 1891, Mém. Soc. Zool. Fr. iv. p. 327
Sharpe’s ed., 1884, Layard’s B. S. Afr. p. 587
Gray, 1846, Gen. B. iii. p. 506
Gray, 1867, List Gallinæ Brit. Mus.
Newton, 1868, Chapman’s Trav. S. Afr. ii. App. p. 412
Barratt, 1876, Ibis, p. 209
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