342 tiueliidjE. 



5. Mimus triurus. 



Tres Colas, Azara, Aimnt. ii. p. 2.37 (1805). 



Turdu8 triurus, Vieill. N. Diet. d'Hist. Nat. xx. p. 275 (1818) ; Bonn. 



et Vieill. Enc. Mcth. ii. p. G68 (1823). 

 Orpheus tricaudatus, Lafr. et D'Orb. Mag. de Zool. 18.37, p. 18 ; 



UOrh. Voy. Amcr. merid. p. 208. 

 Mimus tricaudatus, Bridges, P. Z. S. 1843, p. 120. 

 Mimus triurus, Hartl. Ind. Azara, p. 15 (1847) ; Ch-ay, Gen. B. i. 



p. 221 (1847) ; Bp. Consp. i. p. 277 (1850) ; Scl. P. Z. S. 1859, 



p. 341 ; id. Cat. Anier. B. p. 9 (1862) ; Gray, Hand-l. B.i. p. 261, 



no. 3818 (1869) ; Pels. Orn. Bras. p. 94 (1871) ; Hudson, P. Z. S. 



1872, p. 589 ; Scl. ^ Salv. Nomencl. Av. Neotr. p. 3 (1873) ; iid. 



P. Z. S. 1879, p. 592. 



Adult. General colour above dark ashy brown on the head and 

 mantle, the scapidars washed with rustj', the lower back, rump, 

 and upper tail-coverts being entirely light rusty brown, the upper 

 tail-coverts darker brown, tinged with rusty ; wing-coverts black, 

 margined with pure white, the outer ones of the median and greater 

 series almost entirely white, forming a large wing-patch ; bastard 

 wing-feathers blackish brown ; primary-coverts blackish brown with 

 white bases ; quills blackish, edged with lighter brown, the secon- 

 daries margined and tipped with white, which occupies the greater 

 part of most of the secondaries, with a broad patch of brown near 

 the end of the outer web ; the innermost brown, edged with light 

 ashy brown ; four centre tail-feathers dark brown, the next brown, 

 with a large wedge-shaped mark of white near the end, the next 

 white, with a large black mark along the outer web and near the 

 tip of the inner one ; the two outer feathers entirely white, with 

 more or less black on the shaft ; feathers of the crown with narrow 

 darker brown centres, imparting a somewhat striped appearance; 

 over the eye a distinct stripe of white, broadening out behind ; lores 

 and a broad stripe along the upper part of the ear-coverts blackish 

 brown ; sides of face and ear-coverts dull white, slightly shaded 

 with ashy, and with slight indications of dusky tips to some of the 

 feathers ; throat and centre of abdomen white, the fore neck and 

 chest light ashy, the flanks tinged with light tawuy, paler on the 

 under tail- coverts ; thighs white ; axiUaries and under wing-coverts 

 pure white ; under surface of quills black. Total length 9 inches, 

 culmen 0-8, vnng 3-9, tail 4-1, tarsus 1-25. 



The White-banded Mocking-Thrush is found in Patagonia, Chili, 

 and Bolivia, ranging into Southern Brazil. 



6. Mimus longicaudatus. 



Mimus lon^caudatus, Tsclmdi, Arch.f. Naturg. 1844, p. 280 ; Gray, 

 Gen. B. 1. p. 221 (1847); Tschudi, Faun. Peruan. p. 190, pi. 15. fig. 2 

 (1855) ; Scl. P. Z. S. 1859, p. 345 ; id. P. Z. S. 1806, p. 96 ; Gray, 



