836 PATAGONIAN EXPEDITIONS : ZOOLOGY. 



Alexander Wetmorc. Total length, 5.45 inches; wing, 3.10; culnien, .46; 

 tail, 2.42 ; tarsus, .82. Similar to the preceding but with the cap rather 

 darker gray and bordered on each side by a dusky stripe, below which is 

 a whitish superciliary, the wing edgings are also paler. 



From the Chilian B. c. chilensis it differs in being paler with the super- 

 ciliary stripe whiter, sides and flanks lighter and more buffy (Wetmore and 

 Peters). 



Geographical Range. — Lake Nahuel Huapi, Patagonia, north to Mendoza, 

 Argentina (Peters). 



Genus EMBERNAGRA Lesson. 



Type. 



Emberiiagra Lesson, Traite, p. 465 (1831) . Rniberiza platen sis QxwcXxw. 



Embernagra platknsis (Gmelin). 



Eniberiza platensis Gmelin, Syst. Nat. i. p. 886 (1788), based on the 

 "Plata Bunting" of Latham, Gen. Syn. ii. Pt. i, p. 210 (1783) 

 (Buenos Aires). 

 Eniberizoides poliocephalus Gray in Darwin's Voy. Beagle, Birds, p. 98 

 (1841) (Montevideo: Maldonado). 



Description. — Adult male. La Plata, Argentina, August 1899, Prince- 

 ton University collection. Total length, 8.30 inches; wing, 3.58; cul- 

 men, .62; tail, 3.55; tarsus, 1.20. Above gray with a tinge of olive 

 becoming stronger on the back, which is streaked with black, indistinct 

 lighter gray superciliaries, lores and fore part of cheeks blackish ; tail, wing- 

 coverts and edgings of remiges bright yellowish olive, under parts grayish 

 white with a tinge of buff, stronger posteriorly, becoming darker gray on 

 breast and throat and blackish at base of bill, feet light horn color, lower 

 mandible the same, upper mandible largely black. 



Geographical Range. — Southern Brazil, LVuguay and Argentina to 

 northern Patagonia (Rio Negro). 



Not found in the region covered by the Princeton Expedition. 



Genus PHRYGILUS Cabanis. 



Type. 

 Phrygiliis Cabanis, Archiv. f Naturg. x. p. 



289(1844) /^r///^///^? ^^7)// Eyd. and Gerv. 



