THE SANDEKLING. 561 



been taken Lanes., 1910 (cf. Brit. B., i, p. 65 ; n, p. 268 ; iv, p. 222). 

 Otherwise chiefly passage -migrant, much more frequent autumn 

 than spring, and on east side Great Britain than west, where, as in 

 Hebrides and Ireland, decidedly scarce, even autumn, and very 

 rare spring. 



Distribution. — Abroad. — Breeds in north and central Europe, 

 from Lapland, Dwina and Petchora to Holland, Belgium, N. France, 

 Bavaria, Hungary and south Russian Steppes, eastwards in Siberia 

 to Lena and Kolyma. Migrates south to S. Africa, India, Ceylon, 

 Burmah, rare or causal on Atlantic Isles, in China, Japan, Borneo, 

 in eastern N. America from Greenland to Ontario, Barbados and 

 Guadeloupe, Surinam. Casual Iceland and Bering and Pribiloff 

 Islands. 



Genus CROCETHIA Billb. 



Crocethia Billberg, Syn. Faunae Scand., I, ii, tab. A and p. 132 (1828 — 

 New name for Calidris Illiger, 1811, which is preoccupied) 



Not appreciably different from Calidris (Erolia) except for 

 entire absence of hind toe. Bill and tarsus about equally long. 

 1 species. 



CROCETHIA ALBA 



388. Crocethia alba (Pall.)— THE SANDERLING. 



Trynga alba Pallas, Vroeg's Cat. Coll., Adumbratiuncula, p. 7 (1764 — ■ 



Holland) 



Calidris arenaria (Linnseus), Yarrell, hi, p. 420 ; Saunders, p. 597. 



Calidris leucophcea (Pall.), Hand-List (1912), p. 173.* 



Description. — Adult male and female. Winter. — Fore-head white ; 

 crown pale ashy, narrowly streaked brown ; nape pale ashy, 

 feathers with brown shafts ; remaining upper -parts ash-grey, 

 feathers edged white, with dusky shaft -streaks, lower scapulars 

 with inner webs washed white, some of long upper tail-coverts 

 blackish -grey tipped white, sides of rump and lateral upper tail- 

 coverts white ; ear-coverts and narrow band in front of and below 

 eye and sides of neck white, feathers narrowly streaked or tipped 

 dusky ; cheeks, chin and remaining under -parts white, some 

 feathers of sides of breast sullied ash-grey and with sepia shafts ; 

 tail-feathers pale ash-brown, sometimes shading to white, central 

 pair blackish -grey, all narrowly edged white and more or less white 

 towards base ; primaries blackish -grey, paler on inner webs, with 

 white shafts and bases, 6th or 7th and succeeding with outer webs 

 whitish towards base (5th usually faintly margined white on outer 

 web) ; secondaries blackish -grey with white bases and tips, inner 



* Formerly we adopted the name leucophcea, but the first part of Vroeg's 

 Catalogue is not binomial, therefore only the names in the second part, the 

 Adumbratiuncula, can be accepted — E.H. 



VOL. II. 2 O 



