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Show 1874.] LARKS OF SOUTHERN AFRICA. 615 c3. Distance between tips of primaries and secondaries much more than length of hind claw. a6. Bill comparatively short and slender; wing falling short of tail by more than length of tarsus 7. Alauda. be. Bill short and conical; wings long, falling short of tail by less than length of tarsus 8. Calandrella. d6. Distance between tips of primaries and secondaries not more than length of hind claw. c". Bill higher than broad 9. Spizocorys. d6. Bill equal in breadth and height 10. Tephrocorys. dl. Distance between tips of primaries and tips of secondaries equal to tarsus 11. Melanocorypha. e4. Distance between tips of primaries and tips of secondaries much greater than tarsus 12. Pallasia. d'". First primary well developed, longer than inner toe and claw. /4. Nostrils covered with stiff bristly plumes. e5. Bill slender, about as broad as high at the nostrils. e6. Third primary longest; crest full and rounded. 13. Lullula. fs. Fourth primary longest; crest elongated and pointed. 14. Galerita. ge. Second primary longest; no crest 15. Pyrrhulauda. P. Bill very stout, much deeper than broad ... 16. Calendula. gx. Nostrils exposed, with superior membrane ... 17- Mirafra. d". Crest-feathers longer than tarsus 18. Spizalauda. e' Sides of head with conspicuous elongated hornlets 19. Otocorys. Genus 1. CERTHILAUDA. Type. Certhilauda, Swains. Zool. Journ. iii. p. 344 (1827). C. capensis. Thinotretis, Gloger, Handb. Naturg. p. 266 (1842). C. capensis. Chersomanes, Cab. Mus. Hein. i. p. 126 (1850) .. C. garrula. Key to the Species. a Tail not tipped with white spots capensis. b. Tail tipped with large white spots. a\ General colour rufous, with narrow dark brown centres to the feathers ; secondaries rufous, with fulvous margins rufula. b'. General colour dark brown, with slight shade of rufous on margins of feathers ; secondaries ashy brown, with very narrow whitish or rufous margins , garrula. 1. CERTHILAUDA CAPENSIS. Le Sirli du Cap de Bonne Esperance, Buff. PI. Enl. 712. Alauda capensis, Bodd. Tabl. PI. Enl. p. 45 (1783, ex Buff.). African Lark, Lath. Gen. Syn. ii. pt. 2, p. 389 (1783). Alauda africana, Gm. S. N. i. p. 798 (1788, ex Buff.); Vieill. Gal. Ois. ii. pi. clix. (1825); Giebel, Thes. Orn. p. 290 (1872). VAlouette Sirli, Levaill. Ois. d'Afr. iv. pi. 192 (1805); Sund. Crit. om Lev. p. 46 (1857). Certhilauda longirostris, Sw. Classif. B. ii. p. 293 (1837). Certhilauda africana, Gray, Gen. B. ii. p. 383 (1844); Smith, 111. Zool. S. Afr. pi. xc. fig. 1 (1849) ; Bp. Consp. i. p. 246 (1850); Gurney, Ibis, 1860, p. 208; Layard, B. S. Afr. p. 217 (1867); Sharpe, Cat. Afr. B. p. 71 (1871). |