74. peuoea. 709 



Key to the Species. 



a. With yellow on the lesser wing-coverts 



and edge of the wing ; sides of hody more 



or less distinctly streaked ; malar streak 



very indistinct or obsolete. 

 a '. No white at end of outer tail-feathers . . cestivalis and allies, pp. 709- 

 b'. Outer tail-feathers tipped with white . . cassini, p. 712. [711. 



b. With no yellow on the lesser wing-coverts ; 



sides of body not streaked ; malar streak 

 of black distinct. 

 c'. Lesser wing-coverts brown, not chest- 

 nut riificeps and allies, pp. 712- 



d'. Lesser wing-coverts bright chestnut, [715. 



forming a large shoulder-patch carpalis, p. 715. 



1. Peucsea aestivalis. 



Fringilla aestivalis, Licht. Verz. Doubl. p. 25 (1823). 



Ammodromus aestivalis, Gray, Gen. B. ii. p. 374 (1849), id. Hand-L 

 B. ii. p. 96, no. 7427 (1870). 



Peucsea aestivalis, Cab. Mus. Hein. Th. i. p. 132 (1850) ; Baird, B. 

 N. Amer. p. 484 (1858) ; Scl. Cat. Amer. B. p. 115 (1862) ; Baird, 

 Ibis, 1867, p. 270 ; Allen, Bull. Mus. C. Z. ii. p. 279 (1871) ; Coues, 

 Key N. Amer. B. p. 140 (1872) ; Maynard, B. East. N. Amer. 

 p. 125 (1878) ; Baird, Brewer, §■ Ridgw. Hist. N. Amer. B. ii. 

 p. 39, pi. 28. fig. 4 (1874) ; Ridgiv. Proc. U.S. Nat. Mus. iii. p. 180 

 (1881) ; Cones, Check-list N. Amer. B. p. 54 (1882) ; id. Key N. 

 Amer. B. 2nd ed. p. 273 (1884); Brewster, Auk, ii. p. 105 (1885) ; 

 A. O. U. Check-list N. Amer. B. p. 277 (1886). 



Adult male. General colour above broadly streaked with bluish 

 grey and chestnut, the feathers being chestnut, with broad longitu- 

 dinal black centres and bluish-grey margins ; lesser wing-coverts 

 dull olive-yellow, with blackish bases ; median and greater coverts 

 black, broadly edged and tipped with ashy grey, with a slight sub- 

 terminal shade of chestnut, the latter more distinct on the greater 

 series ; bastard-wing blackish, conspicuously edged with ashy grey ; 

 edge of wing yellow; primary-coverts and quills blackish, fringed 

 with ashy, more hoary on the outer primaries ; the secondaries exter- 

 nally chestnut, the innermost edged and tipped with ashy grey ; upper 

 tail-coverts like the back and fringed with ashy grey ; tail-feathers 

 dusky brown, washed with ashy on both webs, the outer feathers 

 paler ashy brown towards the ends ; crown of head like the back ; 

 lores and feathers round eye yellowish white ; ear-coverts pale ashy, 

 with whitish shaft-lines ; a chestnut line along the upper edge, and a 

 patch of black behind the coverts, the chestnut streak surmounted 

 by a short eyebrow of ashy grey ; cheeks a little lighter ashy than 

 the throat, followed by an indistinct dusky malar line ; sides of 

 neck clear ashy grey, very little streaked with chestnut ; throat, 

 fore neck, and chest pale ochreous buff, more or less tinged with 

 ashy ; breast and abdomen white ; sides of body and flanks ochreous 

 buff, washed with ashy, the sides of the upper breast streaked with 



