()20 MR. R. B. SHARPE ON THE [Nov. 1 7, 



but whereas the present bird appears to be not un plentiful in Da- 

 mara 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, J ad., 

 2 juv. Kami's River, Great Namaqua Land, May 20, 18G2 (C. J. 

 Andersson). 



E mus. R. B. S.: — a, b, $ ad. Colesberg (Ortlepp). c, d ad. 

 Hope Town (T. C. Atmore). d, $ juv. Kami's River, May 20, 

 1862 (C. J. Andersson). d, d juv. Wilson's Fountain, May, 29, 

 1872 (C. J. A.). e,f, d 2 ad. Damara Land (C. J. A.) 



E mus. II. B. Tristram :—a, b, d . Transvaal (Ayres). c, $ ad. 

 Transvaal, May 1870 (Ayres). 



Genus 2. Al.emox. 



Alcemon, Keys. & Bias. Wirb. Eur. p. xxxvi Type. 



{ 1 840) 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 Bifaseiated 

 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. Al*MON SEMITORaUATA. 



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) ; Gurnev, 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). 



Alcemon rufopalliata, Licht. Nomencl. p. 39 (1854). 



Certhilauda coronata, Layard, Ibis, 1869, p. 3/1. 



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 ti:;ged with ashy grey ; 



