290 OTHXE OTIS 



a 3 . Quill-lining black ..................... 0. afra, ? , p. 292. 



b 3 . Quill-lining white ..................... 0. afroidcs, $ , p. 294. 



b. Beneath slaty-blue throughout ............ 0. cczrulescens, p. 305. 



c. Beneath whitish. 



a 1 . Head and neck mottled grey, like the 



back. 

 a 3 . Throat black, but no black on the 



gape or ear-coverts ..................... 0. vigor si, p. 296. 



b 2 . Throat, a spot at the gape and 



another behind the ear all black ... 0. rueppelli, p. 298. 

 b 1 . Head and neck mottled ; back with con- 



spicuous black centres to the feathers 0. melanogaster, $? , p. 302. 

 c 1 . Neck rufous, with a slaty-blue patch 



in front; crown slaty-blue ............... 0. barrowi, p. 307. 





690. Otis ruficrista. Bed-crested Knorhaan. 



Otis ruficrista, Smith, Eep. Exped. Centr. Afr. p. 56 (1836) ; id. III. 

 Zool. 8. Afr. Aves, pi. 4 (1838) ; Sharpe ed. Layard's, B. S. Afr. 

 pp. 639, 854 (1884) ; Fleck, Journ. Ornith., 1894, p. 385 ; Bryden, 

 Nat. and Sport, p. 44 (1897) ; Millais, Breath from the Veldt, 2nd ed., 

 pp. 49, 78, 82, with sketches (1899) ; Eeichenoiv, Vog. Afr. i, p. 252 

 (1900). 



Eupodotis ruficrista, Layard, B. S. Afr. p. 286 (1867) ; Ayres, Ibis, 

 1871, p. 263, 1880, p. 110, 1886, p. 293 ; Gurney, in Andersson's, B. 

 Damaral. p. 259 (1872) ; Buckley, Ibis, 1874, p. 386 ; Shelley, Ibis, 

 1882, p. 361 [Rhodesia] ; Bryden, Gun fr Camera, pp. 155, 479 

 (1893) ; Kirby, Haunts of Wild Game, p. 560 (1896). 



Lophotis ruficrista, Sharpe, Cat. B. M. xxiii, p. 291 (1894) ; Oates, Cat. 

 B. Eggs, ii, p. 365 (1902). 



Afrotis ruficrista, Shelley, B. Afr. \, p. 184 (1896). 



" Bush Knorhaan," in Bechuanaland. 



Description. Adult Male. General colour a rufous - brown, 

 mottled with paler and darker brown ; most of the feathers with 

 dark brown and V-shaped paler sandy-rufous markings ; crown of 

 the head and a patch from the base of the beak to below the 

 eye slaty-blue, cheeks and throat white, the latter with a central 

 band of black; a tuft of decomposed feathers on the nape of a 

 vinous red colour, forming a crest ; ear-coverts fulvous, neck ashy, 

 becoming pale slaty blue on the chest ; wings like the back, some 

 of the outer coverts pure white ; primary quills and the greater part 

 of the primary coverts black, slightly mottled with white ; tail 

 feathers like the back but more finely mottled, with a sub-terminal 

 band of black, which, on the outer feathers, becomes terminal ; 



