17. SPERMOPHIIA. 103 



back ; rump ashy grey, slightly mottled with black spots, with a 

 white band across the lower rump ; lesser wing-coverts ashy brown, 

 with blackish bases ; median and greater coverts and bastard-wing 

 blackish, edged with lighter brown, whitish towards the ends of 

 the latter ; primary-coverts uniform blackish ; quills blackish, edged 

 with ashy, hoary whitish on the margins of the primaries and inner 

 secondaries ; both the inner primaries and the inner secondaries 

 white at the base of the outer web, forming a double speculum ; 

 upper tail-coverts ashy grey; tail-feathers blackish, edged and 

 tipped with ashy brown, with more or less white at the base, 

 extending some distance up the margins of the centre feathers; 

 crown of head dark ashy grey, minutely centred with blackish 

 streaks ; the nape sandy brown, with minute blackish centres, as 

 also the hind neck, which is ashy grey like the back : lores dusky ; 

 ear-coverts dark ashy grey, as also the cheeks, which are separated 

 by a narrow white line from the throat, which is maroon-chestnut ; 

 sides of neck light brown; remainder of under surface of body 

 white, slightly washed with sandy brown on the breast, sides of body, 

 and flanks, the latter with dusky blackish streaks ; thighs and 

 under tail-coverts white ; under wing-coverts and axillaries also 

 white, with a blackish patch near the edge of the wing, which is 

 likewise blackish; quills below dusky blackish, white°'along the 

 inner web : " bill blackish ; feet greyish brown ; iris dark brown " 

 (Stohmann). Total length 4 inches, culmen 0-35, wing 2-15 

 tail 1-55, tarsus 0-6. 



In winter plumage the adult male is altogether browner than in 

 the breeding-plumage, with darker brown centres to the feathers; 

 head brown like the back : the light edges to the wing-coverts and 

 quills broader and more hoary ; the chestnut spot on the throat 

 obscured by sandy margins to the feathers. 



The alar specula vary in development, and in some specimens 

 the white bases of the secondaries are hidden by the greater coverts. 



Adult female. Different from the male and altogether browner ; 

 the white rump-band and the under surface of the body washed' 

 with sandy buff ; no chestnut spot on the throat ; no white base 

 to the tail-feathers. Total length 4 inches, culmen 0-35, wing 2-15, 

 tail 1-6, tarsus - 4. 



Hah. Western Peru to Ecuador. 



a. [$ad.]sk. Guayaquil. G. Barclay, Esq.[P.]. 



b. $ imm. sk. Balzar Mountains, Ecuador Salvin-GodrnanColI. 



(IllingwortK). 



c. <S ad. sk. Tambo Vallev, Peru, Oct. 21, Salvin-Godman Coll. 



1867 (H. Whitdy). 



d. cJ; e,f. 2 Lima, Peru (W. Nation). Sclater Coll. 

 ad. sk. 



(j. Jad.sk, Callao,Peru, Dec. 1881 (Cap. Salvin-Godman Coll. 



A. H. Markhani). 



