20. CHLOEPnAGA. 133 



Bernicla magellanica, Steph. Gen. Zool. xii. 2, p. 57 (1824) ; G. E. 

 Gr. Gen. B. iii. p. G07, n. 9 (1844) ; liclmh. Si/n. Av., Natatores, 

 t. 98. f. 949 (1845) ; Bes Mttrs in Gay, Hist, de Chile, i. p. 443 

 (1S48) ; Sclat. Ibis, 1864, p. 122; Pek. 'liaise Novum, Vog. p. 136 

 (1805) ; Cunni7i!jh. m\ 1808, p. 127 ; Sclaf. ^f Sah: P. Z. S. 1876, 

 p. 363 ; Durnf. Ibis, 1878, p. 400 (Chuput) ; Sclat. P. Z. S. 1880, 

 p. 502: id. Lut Vert. An. 8tli ed. ]>. 420 (1883) ; Montluz. Bull. 

 Soc. Acclim. 1886, p. 155, fig. p. 157 ; Tristi: Cat. Coll. B. p. 51 

 (1889). 



Bernicla leucoptera, Steph. Gen. Zool. xii. 2, p. 58 (1824) ; Ph. 4' 

 Landb. An. Tin. Chile, xxi. p. 427 (1862) ; iid. Wierjm. Arch. 1863, 

 i. p. 194. 



Chenelopex leucoptera, part., Less. Tr. d'Orn. p. 627 (1831). 



Cliloephaga maarellauica, Bi/t. Mon. Anat. p. 82, pi. 1. ff. 1, 2 

 (tvachea) (1838) ; G. B. Gr. List Gen. B. p. 73 (1840) ; Darto. 

 Toy. ^Beagle,' iii. p. 134 (1841) (Tien-a del Fuego and Falkland 

 Isl!) ; Hartl. Syst. Verz. Ges. Mas. p. 117 (1844) ; G. B. Gr. 

 List B. Brit. Mus. p. 126 (1844) ; Hartl. Nuumannia, 1853, 

 p. 222 ; Licht. Nam. Av. p. 100 (1854); Bp. Compt. Bend, xliii. 

 p. 648, n. 22 (18.56) ; Sclat. P. Z. S. 1857, p. 128, 1858, p. 289 ; 

 Gould, P. Z. S. 1859, p. 96 {e^or) ; Sclat. P. Z. S. 1860, p. 387 

 (syn. emend. ?) : Abbott, Ibis, 1861, p. 157 (Falkland Isl.) ; Sclat. 

 Ibis, 1864, p. 122 : Sclaf. ^- Sah. Ibis, 1868, p. 189 (Straits of 

 Magellan) ; Sclat. P. Z. S. 18GS, pp. ,527, 529 (Falklands) ; Ph. S,- 

 Landb. Cat. Av. Chil. p. 40 (1808) ; Sclat. P. Z. S. 1869, p. 629 

 (breedina) ; Eyt. Syn. Anat. p. 27 (1869) ; Sclat. S) Salv. Ibis, 1870, 

 pp. ^99, 500 (Elizabeth Isle) ; Bann. Pr. Ac. Philad. 1870, p. 131 ; 

 G. B. Gr. Hand-list, iii. p. 77, u. 10586 (syn. emend. ?) (1871) ; 

 Sclat. i^- Salv. Xom. Av. Neotrop. p. 128, n. l" (part.) (1873) ; Giyl. 

 Viu'iy. Mayenta, p. 961 (1870) ; Garrod, P. Z. S. 1876, p. 198, f. 2 

 (skull); Sclat. P. Z. S. 1879, p. 310 (eggs); Bnrm. Aiial. Mus. 

 Sac. Buen. Aires, iii. p. 247 (1888) ; Boqeron, Bull. Soc. Accl. 1888, 

 pp. 12-21 ; Sharpe, Cat. Osteol. Spec. Coll. Surg. iii. p. 293 (1891) ; 

 Xeict. Diet, of B. p. 375 (pt. 2, 1893). 



Anser (Rrentlius) magellanicus, Bchnw. Orn. Centralbl. 1882, p. 37; 

 id. VHy. zool. Giirt'.i^. 04 (1882). 



Bernicla (Chloepbaga) magellanica, Ottst. Miss. Sc. Cap Horn, Ois. 

 p. 187 (1891). 



Branta magellanica, Hartert, Kat. Vogelsamml. p. 227, n. 3863 

 (1891). 



Hybrids. 



Bernicla dispar cJ X B. magellanica $ , Sclat. i^- Salo. P. Z. S. 1876, 

 p. 365, f. a (male), b (female) ; Sclat. List Vert. An. 8tli ed. p. 421, 

 f. a (male), b (female) (1883). 



Adult male. "Wliite ; head and neck uniform ; sides and upper 

 part of the back with the lower part of the hind neck barred with 

 black ; lower back and rump greyish blaclc ; upper tail-coverts 

 white ; vent and under tail-coverts white, the latter edged with 

 blackish on the outer web ; scapulars, tertials, and primaries dark 

 grey ; smaller and median upper wing-coverts white, the greater 

 ones grey, on the outer web metallic green with a purple gloss, 

 forming a wing-speculum, and tipped with white ; secondaries and 

 under wing-coverts white ; lateral tail-feathers white, the four 

 middle ones greyish black : bill black ; irides brown-black ; feet 



