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Show 1874.] LARKS OF SOUTHERN AFRICA. 623 0*75-0*8 in length of bill; while in the male the wing is 3*95-4*4 and the bill 0*9-0*95. It will be noticed that the three males last measured in the Table are very much bigger than the first two; but even these do not agree together in size of bill. The males numbered 1 aud 2 agree with Mr. Monteiro's bird in having the bill much thinner than any of the others; but such a gradual gradation exists in the series that I do not see che necessity of creating another species, since the more I study Larks the more I find that size of bill goes for very little. Hab. The northern parts of the Cape Colony, ranging over the whole of South Africa to Damara Land and Benguela. Specimens examined. E mus. Brit. :-a. South Africa (Sir A. Smith*), b, (3 . Great Namaqua Land (C. J. Andersson). c. Benguela (Monteiro). E mus. R. B. S.:-a, b. South Africa (E. L. Layard). c, d, 2 • Hope Town (T. C. Atmore). e, 3 . Colesberg (T. C. Atmore). f, 3 . Eland's Post (T. C. Atmore). g, 3 • Nonnberg (T. C. Atmore). h, $. Griqualand (T. C. Atmore). i, 3. Tjobis, Damara Land, May 30, 1866 (C. J. Andersson). k, 2 • Objimbinque, May 30, 1866 (C. J. Andersson). E mus. H. B. Tristram :-a, b, 3 • Damara Land (Andersson). 5. AL^EMON NIVOSA. Certhilauda nivosa, Sw. B. W . Afr. i. p. 213 (1837) ; id. Classif. B. ii. p. 293 (1837). Alauda albescens, Lafr. R. Z. 1839, p. 259 ; Giebel, Thes. Orn. p. 290 (1872). Alauda guttata, Lafr. R. Z. 1839, p. 259. Alauda codea, Smith, 111. Zool. S. Afr. Aves, pi. 87- fig. 1 (1849, ptil. Mem.); Layard, B. S. Afr. p. 209 (1867); Sharpe, Cat. Afr. B. p. 72(1871). Alauda lagepa, Smith, 111. Zool. S. Afr. Aves, pi. 87. fig. 2 (1849, ptil. astiv.). Meyalophonus guttatus, Bp. Consp. i. p. 243 (1850); Layard, B. S. Afr. p. 215 (1867) ; Gray, Hand-1. B. ii. p. 123 (1870). Megalophonus lagepa, Bp. Consp. i. p. 243 (1850); Layard, B. S. Afr. p. 214 (1867); Gray, Hand-1. B. ii. p. 122 (1870) ; Gurney, in Auderss. B. Dam. Ld. p. 200 (1872). Galerita pyrrhonota, Bp. Consp. i. p. 245 (1850). Calendulauda albescens, Blyth, J. A. S. B. xxiv. p. 258 (1855). Megalophonus albescens, Gray, Hand-1. B. ii. p. 123 (1870). Adult in summer plumage. Above brownish cinnamon, streaked with black down the shafts of the feathers, these shaft-streaks disappearing on the rump ; hind neck with a scarcely perceptible shade of greyish, slightly distinguishable on the sides ; wing-coverts and quills dark brown, margined with cinnamon-rufous, shading off into a fulvous edging on the extreme margin of the greater coverts and some of the secondaries, the innermost of which are more broadly * Type of the species. |