834 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



This rare species does not range into the country covered by the Prince- 

 ton Expedition. 



It was found by Mr. J. L. Peters in the vicinity of Huanuluan, Rio 

 Negro, during October and November. 



Genus BRACHYSPIZA Ridgway. 



Type. 



Brachyspiza Ridgway, Auk, 1898, p. 224. . Friiigilla capeusis Miiller. 



Brachyspiza capensis canicapilla (Gould). 



Zonotvichia canicapilla Gould, Voy. Beagle, Birds, p. 91 (1841) (Port 



Desire). 



Description. — Adult male, 7501 P. U. O. C, Mt. Tigre, August 24, 



1896. Total length, 5.65 inches; wing, 3. 15; culmen, .40; tail, 2.55 ; 



tarsus, .80. Top and sides of head clear gray, darker on the cheeks and 





Fig. 400. Brachyspiza capensis canicapilla, immsLture 9,7512. About three quarters natural 



size. 



ear coverts and some flecks of white below the eye, back ashy brown, each 

 feather with a broad black median stripe ; rump uniform ashy brown, a 

 chestnut collar around the head, neck, wings and tail dark brown with 

 lighter edgings and two white wingbars made by the tips of the coverts ; 

 under parts ashy white, pure white on throat and middle of abdomen, a 

 black area in the middle of the breast, with chestnut on either side joining 

 the chestnut collar; bill and feet dark horn color. 



