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Show 620 MR. R. B. SHARPE ON THE [Nov. 17, but whereas the present bird appears to be not unplentiful in Land, C. garrula was not met with there by Andersson. Hab. Colesberg (Ortlepp); Griqua Land (Atmore); Transvaal (Ayres) ; Damara Land (Andersson). Specimens examined. E mus. Brit:-a, juv. South Africa (Sir A. Smith), b, c, c?ad., 2 juv. Kami's River, Great Namaqua Land, May 20, 1862 (C. J. Andersson). E mus. R. B. S.:-a, b, 2 ad. Colesberg (Ortlepp). c, 6 ad. Hope Town (T. C. Atmore). d, 2 juv. Kami's River, May 20, 1862 (C. J. Andersson). d, <3 juv. Wilson's Fountain, May, 29, 1872 (C. J. A.). e,f, 6 2 ad. Damara Land (C. J. A.) E mus. II. B. Tristram :-a, b, J . Transvaal (Ayres). c, 2 ad. Transvaal, May 1870 (Ayres). Genus 2. AL^EMON. Alamon, Keys. & Bias. Wirb. Eur. p. xxxvi Type. (1840) A. desertorum. Calendulauda, Blyth, J. A. S. B. xxiv. p. 258 (1855) A. nivosa. The type of this genus is the well-known Desert- or Bifasciated Lark. It differs from the true Certhilauda of Southern Africa in its short hind claw, which is curved. Key to the Species. a. Larger; under wing-coverts isabelline, as well as the inner web of the quills at base 4. semitorquata. b. Smaller; under wing-coverts ashy brown, as also the inner lining of the wings 5. nivosa. 4. ALAMON SEMITORQUATA. Certhilauda semitorquata, Smith, Rep. S. Afr. Exp. p. 47 (1836) ; Gray, Gen. B. ii. p. 383 (1844) ; Smith, 111. Zool. S. Afr. pi. 106, fig. 2 (1849); Bp. Consp. i. p. 246 (1850); Mont. P. Z. S. 1865, p. 94 ; Layard, B. S. Afr. p. 216 (1867); Gray, Hand-1. B. ii. p. 120 (1870); Sharpe, Cat. Afr. B. p. 71 (1871) ; Gurney, in An-derss. B. Dam. Ld. p. 201 (1871); Buckley, Ibis, 1874, p. 383. Certhilauda rufopalliata, Lafr. Mag. de Zool. 1836, Ois. pi. 59 ; Gray, Gen. B. ii. p. 383 (1844). Certhilauda subcoronata, Smith, 111. Zool. S. Afr. pi. 90. fig. 2 (1849) ; Bp. Consp. i. p. 246 (1850); Scl. P. Z. S. 1866, p. 23 ; Layard, B. S. Afr. p. 217 (1867); Grav, Hand-1. B. ii. p. 121 (1870). Chersomanes subcoronata, Cab. Mus. Hein. Th. i. p. 126 (1850). Alamon rufopalliata, Licht. Nomencl. p. 39 (1854). Certhilauda coronata, Layard, Ibis, 1869, p. 371. Alauda semitorquata, Giebel, Thes. Orn. p. 300 (1872). Alauda subcoronata, Giebel, Thes. Orn. p. 301 (1872). Adult female in summer plumage. Above clear vinous brown, the head slightly darker, the hind neck somewhat tinged with ashy grey |