32. oRiYGOPs. 129 



Keotr. p. 140 (1873); Scl. P. Z. S. 1870, p. 2", (Uruguay) ; id. 

 i^- HuiUon, Argent. Orii. ii. p. 155 (1889). 

 Arauiides notata, Gra;/, lland-l. B. iii. p. Gl, uo. 10445 (1871). 



Adult (type of species). General colour above chocolate-brown, 

 mottled with black centres to the feathers, which are spotted with 

 ■white ; wing-coverts liive the back, but the white spots sometimes 

 in the form of bars, which is also the case on the inner secondaries, 

 lower back, and rump ; bastard-wing and primary-coverts brown, 

 with scarcely any white spots ; quills blackish brown, the middle 

 secondaries for tlie most part white on the inner webs, this white 

 patch varying in size ; tail blackish brown ; the upper tail-coverts 

 with tiny white spots ; crown of head and hind neck rather darker 

 than the back, and profusely dotted with little spots of white ; lores 

 dusky brown, surmounted by a whitish streak ; sides of face and 

 cheeks blackish, varied with white spots ; chin and upper throat 

 whitish, the latter slightly mottled with dusky brown ; remainder 

 of throat, fore neck, and chest whitish, profusely mottled with 

 dusky blackish centres to the feathers ; centre of breast and 

 abdomen whitish, with dusk}" cross bars ; sides of body and flanks 

 blackish, with narrow white bars and tips ; under tail-coverts 

 blackish, with pale vinous tips ; under wing-coverts and axillaries 

 white, mottled with brown bases near the edge of the wing. Total 

 length b■'.^ inches, culmeu U-45, wing 3-1, tail 2'25, tarsus O't-, 

 middle toe and claw U*!J. 



JIal). From Uruguay south to Patagonia. 



a. Ad. sk. Rio Plata (C. Darwin). Voy. II.M.S. ' Beagle.' 



(Type of species. ) 



b. Innii. sk. At sea off Cape Santa Maria, Salvni-(Todmau Coll. 



Uruguay. [P. Z. S. 1870, p. 255.] 



4. Ortygops ayresi. 



? Coretlirura ruficnUis ( nee 7'. ), I.minrd, Ibis, 1869, p. o77. 

 Coturnieops ayve A, Gurnet/, I/'i-', 1877, p. 352, pi. 7 (Transvaal); 

 Sharpe, ed. Layard's B. 6'. Afr. p. (510 (1884). 



Adult f ••male (type of species). General colour above dark brown, 

 mottled with black centres to the feathers, and streaked with white 

 on the margins, also occasionally spotted with white ; scapulars 

 like the back ; wing-coverts blackish, with brown margins, the 

 coverts not so profusely sjjotted with white as the back ; bastard- 

 wing blackish brown with white margins ; primarv-coverts and 

 quills uniform dusky brown, the first primarj- white along the 

 outer web, the middle secondaries pure white, the inner secondaries 

 like the back ; lower back and rump like the back, but less pro- 

 fusely spotted with white : upper tail-coverts and tail bright rufous 

 barred with black ; crown of head black, slightly varied with rufous 

 tips to the feathers, and having a faintly indicated rufescent eye- 

 brow ; najje, hind neck, and sides of neck deep vinous, mottled with 

 black centres to the feathers ; lores, sides of face, ear-coverts, and 



VOL. XXIII. K 



