364 TIJIETJID.^. 



grey mottled with wliite, the bases to the feathers being white and 

 showing through more or less. 



The White-breasted Elue Mocking-Thrush is resident in Guate- 

 mala, inhabiting the highlands from 3000 to 7000 feet above the 

 sea-level. 



a. Ad. st. Guatemala. Purchased. 



b. Ad. sk. Guatemala. Osbert Salvin, Esq. [P.]. 



56. DONACOBIUS. 



Type. 

 Douacobius, Swains. Zool. ll/iisfr. 2od ser. ii. pi. 72 



(1831-32) D. atricapillus. 



Range. Confined to South America, where it is extensively spread 

 over Brazil, occurring also in Bolivia, Amazonia, Colombia, and 

 Guiana. 



Key to the Sjjecies, 



a. Without a white streak from behind the eye . . atricapillus, p. 364. 



b. AVith a distinct streak of white on the sides of 



the hinder crown from behind the eye to the 



side of the nape cdbovittatm, p. 365. 



1. Donacobius atricapillus. 



Japacaui, Marcgr. Bras. p. 212. 



Le Merle a teste noire du Cap de Bonne Esperance, Briss. Orn. vi. 



App. p. 47, pi. 3. tig. 2 (1760) ; Daubent. Pi. Enl. iv. pi. 392. 

 Turdus atricauilla, Linn. Si/st. JSlat. i. p. 295 (1766). 

 Gracula lougii-ostris, Pall. Spicil. vi. p. 5, pi. 2. fig. 2 (1767). 

 Turdus cyaneus, P. L. S. Midi. Syst. Nat. Auhang, p. 145 (1776) ; 



Cass. Proc. Philad. Acad. 1864, p. 251. 

 Oriolus japacani, Gm. S. N. i. p. 385 (1788). 

 Turdus brasiliensis, Gm. S. N. i. p. 831. 

 Icterus japacani, Daud. Trade d'Orn. ii. p. 343 (1800). 

 Agullas palladas, Azara, Apunt. ii. p. 214 (1805). 

 Turdus pratensis, VieiJl. N. Diet, d" Hist. Nat. xx. p. 286 (1818) ; 



Bonn, et Vieill. Enc. Mith. ii. p. 071 (1823). 

 Donacobius vociferaus, Swains. Zool. Illustr. 2nd ser. ii. pi. 72 (1831- 



1832) ; Ilartl. Ind. Azara, p. 14 (1847). 

 Minuis brasiliensis, Wied, Beitr. Naturg. Bras. iii. p. 662 (1831). 

 Donacobius atricapillus, Gray, Gen. B. i. p. 223 (1846) ; Cab. in 



Schomb. Giiian. iii. p. 674 (1848) ; Bp. Consp. i. p. 277 (1850) ; 



Burm. Th. Bras. iii. p. 129 (1850); Sclater, Cat. Amer. B. y>. Q 



(1862); Baird, Btview Amer. ^. p. 58, note (1864) ; Pelz. Orn. 



Bras. p. 49 (1871) ; Set. i^- Salv. Nomencl. Av. Neofr. p. 5 (1873). 

 Donacobius cyaneus, Grai/, Hand-l. B. i. p. 191, no. 2629 (1869). 



Adult. General colour above dark chocolate-brown, the lower 

 back, rump, and upper tail-coverts reddish brown ; wing-coverts 

 like the back ; bastard wing and ]n-imary-coverts black ; quills 

 black, with a large white patch on tho inner primaries ; inner 



