30. MARECA. 237 



(1845) ; Hartl. Ind. Az. Apunt. p. 27, n. 432 (1847) ; Des Murs 

 in Gay, Hist, de Chile, i. p. 447 (]848); Hartl. Naumannia, 1853, 

 p. 222 ; Bibra, Denkschr. Ak. JVien, v. p. 131 (1853) (Chili) : id. 

 J.f. 0. 1855, p. 57 ; Bp. Compt. Rend, xliii. p. 650, n. 120 (1856) : 

 Cass. U.S. Astr. Exp. u. p. 201 (1856) ; Gould, P. Z. S. 1859, 

 p. 96 (Falklands) ; Sclat. P. Z. 8. 1860, p. 389 (Falklands) ; Abbott, 

 iZfis, 1861, p. 160 (Falklands) ; Peh. Reise Kovara, Vog. \). 138 

 (1805) ; Sclat. P. Z. S. 1867, p. 335 (Chili) ; P/iil. 4- Landb. Cat. 

 Av. CM. p. 41 (1868) : Sclat. Si Salt. P. Z. S. 1869, p. 635 (Rep. 

 Arg.) ; iid. Ibis, 1869, p. 284 (Grea-orv Bav) ; Eyt. Si/n. A?iat. p. 69 

 (1869); Sclat. P. Z. S. 1870, p. 667' (Zool. C4ard.), 1871, p. 700 

 (Zool. Gard.); G. P. Gr. Hand-list, iii. p. 81, 11. 10630 (1871) : 

 Burm. P. Z. S. 1872, p. 368 (Argentina) : Sclat. Sf- Salv. Xomencl. 

 Av. Neotrop. p. 130 (1873) ; Hvds. P. Z. S. 1876, p. 108; Bumf. 

 Ibis, 1876, p. 163 (Buenos Ayres) ; Milne-Edw. Rech. Faun. Req. 

 Austr. ch. ix. p. 45 (1882) ; White, P. Z. S. 1883, p. 42 (La Plata) : 

 Sclat. List Vert. An. 8th ed. p. 437 (1883) ; Bodinus,J.f. 0. 1885, 

 p. 21 (Zool. Gart.) ; Withinyt. Ibis, 1888, p. 471 (Lomas de 

 Zamora) ; Burm. An. Mas. Nac. Buen. Air. iii. pp. 247, 320 (1888). 



Anas parvirostris, Men: in Ersch n. Grid). Enc. sect. i. vol. xxxt. 

 p. 43 (1841). 



Sarkidiornis sibilatrix, G. R. Gr. Gen. B. iii. p. 605, n. 3 (1845). 



Chaulelasmus chiloeusis, Licht. Nomencl. Av. p. 101 (1854). 



Anas (Mareca) chiloensis, Burm. J.f. O. 1860, p. 267 (Mendoza). 



Mareca sibilatrix, Sclat. ^- Salr. P. Z. S. 1876, p. 395 : Durnf. Ibis. 

 1877, p. 41 (Chuput), p. 192 (Buenos Ayres), 1878, p. 401 (Central 

 Patagonia) ; Sclat. ^- Salv. P. Z. S. 1878, p. 430 (Elizabeth I.) ; 

 Sclat. P. Z. S. 1880, p. 514 ; Sclat. ^- Salv. Voi/. Chall, Birds. 

 p. 107 (1881) ; Sharpe, P. Z. S. 1881, p. 13 (Coqiiimbo) ; Barrows, 

 Auk, 1884, p. 274 (Bahia Blanca) ; B., B., S> R. Water-Birds N. 

 ^Hi.i. p. 517 (1884); Berl. J. f. O. 1887, p. 133 (Parasuay.?) : 

 Sclat. Arc/ent. Orn. ii. p. 135 (1889); Tristr. Cat. Coll. B. p. 50 

 (1889) ; bust. Miss. Sc. Cap Horn,yi. Ois. p. 210(1891) ; Holland, 

 Ibis, 1892, p. 208 (Argentina) ; Berkeley James, New List Chil. B. 

 p. 9, n. 159 (1892). 



Anas (^lareca) sibilatrix, Rchmv. Orn. Ccntralhl. 1882, p. 20 ; id. 

 Voy. zool. Giirt. p. 53 (1882;. 



Hybrids. 



Mareca chiloensis xDafila spinicauda, Sclat. P. Z. S. 1878, p. 1002: 



id. List Vert. An. 8th ed. p. 437, spec. ^^ (1883). 

 Anjis chiloensis X A. spinicauda, Leverk. J.f. O. 1890, p. 229. 



Adult male. Forehead and fore checks white, remainder of the 

 head and neck black ; behind the eyes a glossy green band meeting 

 on the nape ; lower neck with black and white bars ; back and 

 scapulars black, broadly edged with white ; lower back and rump 

 black ; upper tail-coverts, breast, and abdomen white ; sides, flanks, 

 and under tail-coverts rusty red ; wing-coverts white, except those 

 near the bend of the wing, which are dusky grey : primaries dusky 

 black ; tips of the greater wing-coverts and secondaries velvety 

 black, forming a speculum; tertials long and acuminate, black, more 

 or less broadly edged with white, especially on the outer web ; 

 under wing-coverts grevish, finely powdered with brown ; tail dusky 

 black : " bill and feet black ; irides chestnut-brown " (Mas. Tav.r.), 



