530 CHAEABEIID^:. 



Tampussak R. ; Baram Point) ; Eagle Clarke, Ibis, 1895, p. 208 



(Delta of the Rhone); H. J. Sf C. E. Pearson, t. c. p. 248 



(Iceland). 

 Trynga tridactyla, Pall. Zoogr. Eosso-Asiat. ii. p. 198 (1811 : Lake 



Baikal). 

 Calidris grisea, Meyer, Vog. Liv- u. Esthl. p. 177 (1815) ; Brehm, 



Fog. Deutschl. p. 674 (1831). 

 Calidris rubidus, Vieill. N. Diet. d'Hist. Nat. xxx. p. 127 (1819). 

 Calidris tringoides, Vieill. Gal. Ois. iii. p. 95, pi. 234 (1825). 

 Calidris americana, Brehm, Vog. Deutschl. p. 675 (1831). 

 Tringa (Calidris) arenaria, Middend. Reis. Sibir., Zool. p. 219 (1851 : 



Taimyr River ; Boganida, June). 

 Calidris muelleri, Brehm, Vogelf. p. 318 (1855). 

 ? Tringa, sp., Streets, Amer. Nat. 1877, p. 71 (Christmas and Palmyra 



Isle.). 



Adult male in winter plumage. General colour above light ashy 



grey, with more or less distinct hoary white edgings to the 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 blackish, 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, forming a broad white band across the 



wing ; bastard-wing blackish ; primary-coverts blackish, the outer 



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, 



margined externally with white and having white shafts ; crown of 



head like the back, with tiny dusky centres ; abroad 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, the edge of the wing mottled with dusky 



centres to the feathers ; quills below dusky whitish along the inner 



web : " bill and feet olive-black ; iris dark brown " (L. Stejneger). 



Total length 7 inches, culmen 1-05, wing 4-75, tail 1/8, tarsus 09, 



middle toe and claw 0*7. 



Adult female in winter plumage. Similar to the male. Total 

 length 7 inches, culmen P05, wing 4 - 75, tail D75, tarsus - 95, 

 middle toe and claw 0*75. 



Adult male in summer plumage. Differs from the winter plumage 

 in being mottled and not uniform, the upper surface being cinna- 

 mon-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 



