20 BIRDS OF LA PLATA 



numbering no fewer than a hundred. In Argentina 

 only four species are found, the two described and 

 the Black-headed Reed- Wren, Donacobius atricapillus, 

 a common Brazilian species, and the Eared Wren, 

 Troglodytes auricularis, found in the province of 

 Tucuman. 



CACHILA PIPIT 



Anthus correndera 



Above pale sandy buff, with black centres to the feathers ; wing- 

 and tail-feathers dark brown, edged with buff; the outer tail-feathers 

 almost entirely white ; below sandy buff with large triangular black 

 spots ; length 6 inches, 



AZARA'S only reason for calling this bird La Corren- 

 dera was that he thought it resembled a Titlark 

 known by that name in his own country, but of which 

 he merely had a confused recollection. It is therefore 

 to be regretted, I think, that correndera has been 

 adopted as a specific name by naturalists instead of 

 Cachila, the vernacular name of the bird, familiar 

 to every one in the Argentine country. Azara's 

 Spanish bird was probably Anthus pratensis t which 

 closely resembles A. correndera in general appearance, 

 and has, moreover, as wide a range in the northern 

 as the last-named species has in the southern hemi- 

 sphere. In the volume on Birds in the Voyage of 

 the Beagle it is said that a species of Anthus ranges 

 further south than any other land-bird, being the 



