THE SANDERLINGS. 261 



feathers, and obsolete blackish shaft-stripes, somewhat more 

 distinct on the lower back and rump; scapulars like the back; 

 sides of lower back and rump white ; upper tail-coverts black- 

 ish, edged and tipped with white, the lateral ones entirely white; 

 lesser wing-coverts blackish; median ones ashy, broadly edged 

 with white, and with a blackish shaft-line ; greater coverts 

 blackish, narrowly edged and broadly tipped with white, form- 

 ing a broad white band across the wing ; bastard-wing and 

 primary-coverts blackish ; the outer primaries narrowly, but the 

 inner ones broadly, tipped with white ; quills with white shafts, 

 and a broad white base to the feathers ; the secondaries edged 

 with white at the tip ; the primaries ashy-white for the greater 

 part of the inner web, the elongated inner secondaries white on 

 both webs ; centre tail-feathers ashy-grey, blackish towards the 

 tips, with white shafts and margins to the feathers ; remainder 

 of tail-feathers dusky-brown, whitish on the inner webs, mar- 

 gined externally and having white shafts ; crown of head like 

 the back ; a broad frontal band, lores, eyebrow, sides of face, 

 and under surface of body pure white; sides of neck light 

 ashy-grey like the back; under wing-coverts and axillaries pure 

 white ; quills below dusky whitish along the inner web ; bill 

 and feet olive-black ; iris dark brown. Total length, 7 inches; 

 culmen, 1*05; wing, 475; tail, rS; tarsus, 0*9; middle toe 

 and claw, 07. 



Adult Male in Summer Plumage. Differs from the winter plu- 

 mage in being mottled and not uniform, the upper surface 

 being cinnamon-rufous, mottled with black centres to the 

 feathers, which have hoary whitish or ashy edges ; the inner 

 secondaries cinnamon-rufous like the scapulars and back; sides 

 of lower back and lateral upper tail-coverts pure white ; sides 

 of face, throat, and sides of breast deep cinnamon-rufous, 

 mottled with black centres to the feathers ; rest of under sur- 

 face white. Total length, 6*5 inches ; culmen, 0-9 ; wing, 4-9; 

 tail, i -9 ; tarsus, 0*9 ; middle toe and claw, 075. 



Adult Female in Summer Plumage. Similar to the male, but has 

 not quite so much bright rufous in the plumage, the fore-neck 

 being barred with blackish. Total length, 8 inches ; culmen, 

 1-05; wing, 4-9; tail, 1-95 ; tarsus, i ; middle toe and claw, 

 0-8. 



