75. PASSEEEILA. 717 



(1832) ; Gray, Gen. B. ii. p. 374 (1849) ; id. Hand-l. B. ii. p. 95, 



no. 7404 (1870). 



Passerella iliaca, Swains. Class)/. B. ii. p. 288 (1873) ; Bp. Comp. 

 List B. Eur. $ N. Amer. p. 31 (1838) ; id. Comp. i. p. 477 (1850) ; 

 Baird, B. N Amer. p. 488 (1858) ; Scl. Cat. Amer. B. p. 118 

 (1862) ; Blakist, Ibis, 1863, p. 79 ; Baird, Ibis, 1867, p. 270 ; 

 Lawr. Ann. Lye. N. Y. viii. p. 287 (1868) ; :Dall fy Bann. Trans. 

 Chicago Acad. i. p. 285 (1869) ; Allen, Bull'. Mus.' C. Z. ii. p. 272 

 (1871) ; Coues, Key N. Amer. B. p. 147 (1872) ; Maynard, B. 

 Bast. N. Amer. p. 106 (1878) ; Baird, Brewer, § Ridgw. Hist. N. 

 Amer. B. ii. p. 50, pi. 78. fig. 2 (1874); Coues, B. N.-West, 

 p. 160 (1874) ; Ridgw. Proc. U.S. Nat. Mas. iii. p. 181 (1881) ; 

 Coues, Check-l. N. Amer. B. p. 58 (1882) ; Nelson, Cruize R. S. 

 ' Corivin,' p. 72 (1883); Streets, Proc. U.S. Nat. Mus. vi. p. 117 

 (1883) ; Cones, Key N. Amer. B. 2nd ed. p. 385 (1884) ; Butcher, 

 Auk, i. pp. 177, 178 (1884) ; Merriam, t. c. p. 295 ; Bicknell, Auk, 

 ii. p. 180 (1885) ; Ayersb. t. c. p. 281 ; Fox, Auk, iii. p. 318 

 (1886) ; Set on, t. c. p. 324 ; Turner, Proc. U.S. Nat. Mus. viii. 

 p. 241 (1885) ; A. 0. U. Check-list N. Amer. B. p. 281 (1886). 



Passerella obscura, Verrill, Proc. Bost. Soc. N. H. ix. p. 138 

 (1862) ; Ridgw. Proc. U.S. Nat. Mus. iii. p. 235 (1881). 



Adult male. General colour above vinous chestnut, mottled with 

 ashy grey, the feathers being ashy-grey with mesial markings of 

 chestnut, widening out at the end of the feathers : wing-coverts 

 chestnut, the lesser series slightly browner ; the median and greater 

 coverts with a narrow fulvous ending, forming a feebly-pronounced 

 double wing-bar ; bastard-wing and primary-coverts blackish, 

 fringed with rufous ; quills blackish, externally rufous, the secon- 

 daries more decidedly chestnut on the outer webs, the innermost 

 slightly tipped with fulvous, like the coverts ; upper tail-coverts 

 uniform chestnut ; tail-feathers dusky brown, externally chestnut, 

 increasing in extent towards the outer feathers ; crown of head like 

 the back, and mottled in the same manner ; lores white, extending 

 in a faintly marked eyebrow : feathers round eye whitish, as also 

 the eyelid ; ear-coverts chestnut, the fore part streaked with 

 whitish shaft-lines ; cheeks whitish anteriorly, the hinder part 

 mottled with chestnut spots ; a broad malar line of chestnut ; 

 throat and under surface of body white, with triangular spots of 

 chestnut on the throat, fore neck, and breast, larger and more longi- 

 tudinal on the sides of body and flanks : abdomen pure white ; 

 thighs brown ; under tail-coverts buffy white ; under wing-coverts 

 and axillaries white shaded with ashy, and having dusky bases; 

 quills below dusky, ashy white along the inner edge : " bill dark 

 brown above, the base of the lower mandible yellow, its tip bluish ; 

 feet flesh-coloured ; iris deep brown " (Audubon). Total length 

 6-6 inches, culmen 0*45, wing 3-7, tail 28, tarsus 0'85. 



Adult female. Similar to the male, but not quite so strongly 

 marked, especially on the head ; the spots on the under surface 

 darker, and blackish instead of chestnut on the breast and flanks. 

 Total length 6-3 inches, culmen 0-5, wing 3*3, tail 2-6, tarsus 0-85. 



Young. Not particularly different after the first moult, though 

 in an early stage much darker; back rufous-brown, with darker 



