22 iBiDiD.?!:. 



Index Azara, p. 23 (1847) ; Bp. Consp. ii. p. 155 (1855) ; Schl. 



Mus. Pays-Bas, Ibis, p. 7 (1863: pt.) ; Cunningham, Ihis, 1866, 

 p. 126 (Elizabeth Is., breeding) ; Newton, Ibis, 1S70, p. 502 ; 



id. P.Z.S. 1871, p. 'Ipe, pi. iv. fig. 8; *S'e/. ^ Salv. Nomencl. 



p. 127 (1873: pt.); Dumf. Ibis, 1877, p. 190 (Buenos Ayres, 



winter) ; id. Ibis, 1878, p. 400 (Sengel R., Nov. ; Chupat Valley) ; 



Tacz. P. Z. S. 1874, p. 562 (Junin) ; Scl. S)- Salv. P. Z. S. 1878, 



p. 436 (Sandy Point) ; iid. Vuy. Chall, Birds, ii. p. 106 (1880) ; 



Bumf. Ibis, 1880, p. 424 (Tucuman ; Salta, June) ; Barrows, Auk, 



i. p. 272 (1884: Lower Uruguay). 

 Tantalus melanopis, Gm. Syst. Nat. i. p. 653 (1788). 

 Tberisticus melanops, Fraser, P. Z. S. 1843, p. 117 (Interior of 



Cbili). 

 Tantalus melanops, Forster, Icon. ined. in Brit. Mus. pi. 117 ; id. 



Descr. Aniin. p. 332 (1844). 

 Geronticus melaropis. Gray, Gen. B. iii. p. 566 (1847) ; id. Hand-l. 



B. iii. p. 40, no. 10233 (1871) ; Huds. P. Z. S. 1871, p. 261. 

 Geronticus albicollis {nee Gm.), Pek. Orn. Bras. p. 307 (1871). 

 Tberisticus caudatus {nee Bodd.), Elliot, P. Z. S. 1877, p. 498, (pt.) ; 



Taczan. Orn. Perou, iii. p. 417 (1886) ; Scl. Sf Huds. Arg. Orn. ii. 



p. 110 (1889 : cold weather visitor) ; Graham Kerr, Ibis, 1891, 



p. 270 (R. Pilcomayo) ; Oust. Miss. Cap Horn, Ou. p. 330 (1891) ; 



Graha^n Kerr, Ibis, 1892, p. 145 (Fortin Page, Dec.) ; Holland, 



t. c. p. 205 (Estancia Espartilla, May to Aug.). 

 Tberisticus melanopes, Heine f Reichen. Nomencl. Mus. Hein. p. 313 



(1890). 

 Ibis caudatus {7iee Bodd.), Frenzel, J. f. O. 1891, p. 124 (Cordova, 



Arg. Rep.). 

 Tberisticus braniekii, Berl. Sr Stolz. Ibis, 1894, p. 405. 



Adult female. General colour above silvery grey, with ashy- 

 brown margins to the feathers, which arc further marked by a 

 sub-terminal black bar, the innermost secondaries being coloured and 

 marked like the back ; wing-coverts hoary grey, the outer ones 

 white ; bastard-wing, primary-coverts, and quills black, with a 

 slight purple gloss, the inner secondaries externally grey ; lower 

 back, rump, and upper tail-coverts black, with a bronzy-green gloss ; 

 tail-feathers black, with a slight greenish gloss ; head and neck all 

 round, as well as the throat and breast, orange-buff, inclining to 

 chestnut on the crown and hinder neck : throat bare, with a tuft of 

 whitish feathers on the chin ; on the sides of the chest a half-collar 

 of grey feathers ; remainder of under surface of body slaty black, 

 the under tail-coverts black with a green gloss ; under wing-coverts 

 and axillaries black with a faint purplish gloss ; quills bronzy 

 green below : " feet carmine or scarlet ; iris scarlet " ( C. Darwin) : 

 " bill, naked part of face, and throat black, the tip of the bill dull 

 greenish ; feet dark fleshy red ; iris pale brown (Burmeister). 

 Total length 26 inches, culmen 5-4, wing 14-1, tail 7*4, tarsus 2-8. 

 Adult male. Differs from the adult female in having sandy-buff 

 edges to the feathers of the upper surface, as weU as to the feathers 

 of the abdomen ; patch of feathers on the chin more extended. 



Yoking (Pitumarca, Peru). Distinguished by its shorter bill and 

 feathered throat, the cheeks only being bare ; the head, neck, and 

 breast whiter than in the adults, with orange-chestnut on the head 

 and chest ; the upper surface almost entirely pearly grey with a 



