1882.] ON BIRDS FROM THE ARGENTINE REPUBLIC. 591 



MUSCICAPA USSHERI, sp. n. 



Adult. General colour above light brown, slightly more fulvescent 

 brown on the lower back and rump ; lesser and median wing-coverts 

 a little more ashy than the back ; greater coverts, primary-coverts, 

 and quills dusky brown, externally edged with the same brown as 

 the back ; tail-feathers dusky brown, externally edged with brown 

 like the back, and very narrowly fringed with whitish along the tip 

 and near the end of the inner web ; nasal plumes and lores dull 

 white, extending above the fore part of the eye so as to form a 

 slight superciliary streak ; eyelid and feathers below the eye dull 

 white ; the ear-coverts very light brown with dull whitish shaft-lines ; 

 cheeks and throat buflpy white, with a tinge of fawn-colour on the 

 fore neck ; breast, abdomen, and under tail-coverts white, the latter 

 with light-brown centres; sides of breast, flanks and thighs light 

 brown tinged with fawn-colour ; under wing-coverts and axillaries 

 ochreous buff ; quills dusky below, whitish along the edge of the 

 inner web ; bill horn-brown, whitish at the base of the lower 

 mandible. Total length 5 inches, culmen 0'55, wing 2*8, tail 2'2, 

 tarsus 0"85. 



Hab. Abokobi, Gold Coast, Feb. 1880. 



This species has the appearance of an Erythrosterna ; but the 

 colour of its tail separates it from any of the species with which I 

 am acquainted ; otherwise it comes into the " Key to the Species " of 

 Muscicapa in my ' Catalogue ' (vol. iv. p. 150) as follows : — 



a. With no Tivhite bar on the wing and with no white at base 

 of tail. 

 a'. Breast white, with brown streaks &e. 



a". Ashy brown &c grisola, -p. liSl. 



b". Dark brown &c! ffriseisticia, ■p. 153. 



1/ . Breast uiiifbrm, without streaks. 



o" . General colour above brown, ashy grey or slate- 

 colour : size large, wing 2'8 to 3"1 inches, 

 a'". Bill horn-brown, the base of the lower mandible 

 yellowish white. 

 a^. Under wing-coverts and axillariesbrown; upper 



surface brown aquaiica, p. 154. 



J*. Under wing-coverts aud axillaries ochreous 

 buff; upper surface brown ussheri, sp. nov. 



12. Notes oil Birds collected in the Argentine Republic. By 

 E. W. White, F.Z.S. With Notes by P. L. Sclater, 

 M.A., Ph.D., F.R.S. 



[Received June 12, 1882.] 



In travelling over the greater part of this vast Republic, I have 

 found the difficulties and dangers great, and the distances to be 

 surmounted, from one hunting-ground to another, immense. Not 

 only so, but the naturalist here, unlike his brother in Europe, 

 receives no encouragement, enjoys no facilities, and is obliged to 



Proc. Zool. Soc— 1882, No. XL. 40 



iJa 



