MOTACILLA. 273 



Key to plumage of M. ocular is. 



(a) Throat white or white tinged with yellow. 



(a!) Only a dusky brown patch on the foreneck ; upper 

 parts ashy brown. 



Young, ist plumage. 

 (b f ) A black crescent on the foreneck. 



(a"} Head like the back white, forehead slightly 

 indicated. 



Young, ist winter plumage. 

 (//) Head black, forehead white. 



Adult) 2nd winter plumage. 



(b) Throat black up to the chin or nearly so. 



Adult, Q , Summer plumage. 



c( Male and female in breeding plumage. Forehead and crown as far back 

 as the eyes, face and sides of the neck pure white, remainder of the crown 

 and nape and a streak extending from the angle of the bill through the eye 

 and over the ear coverts to the nape black ; lower surface from the chin to 

 the lower breast black, remainder of lower ' plumage white ; back, rump and 

 upper tail coverts and also the smaller wing coverts pure grey ; larger wing 

 coverts, secondaries and tertiaries brown, margined on the outer webs with 

 white ; primaries brown, edged with white interiorly ; tail black, with the 

 exception of the two outer pairs of feathers which are white with a linear 

 patch of black on the edge of the inner webs/' 



In winter the upper surface is blue grey, also the wings and tail ; the head 

 black with a broad white frontal band ; instead of the throat being entirely 

 black, there is only a black crescent on the foreneck, 



The young have the margins to the wing coverts and tertiaries narrower, 

 and the forehead is grey instead of being white ; head suffused with a yellow 

 tinge, and the grey of the upper plumage is much less pure white than in the 

 adult ; the black eye streak is well developed. 



Adult. Bill black, plumbeous at base ; iris brown ; legs and claws black. 



Length. 7'8 to 8 inches ; wing 3*85 ; tail 4 ; tarsus 0*94 ; culmen 0*6. 



Had. From Kamschatka and Amoor Land to South China, breeding 

 throughout this extent of country, wintering in the Burmese countries and 

 extending westwards to Cachar and Nepaul. (Sharpe.) According to Gates it 

 is very abundant in Pegu from the beginning of November to the end of April ; 

 more common on the Pegu canal and in the Sittang river, extending to 

 Rangoon and up to Tounghoo. Davison procured it abundantly at Moulmein 

 and further North Captain Bingham got it in the Thoungyeen Valley. 



784. Motacilla personata, Gould, B. Asia, iv. pi. 63; Biyth, 



Ibis, 1865, p. 49; Klanf., Ibis, 1873, p. 219; Severtz., Turkest.yevotn.pp.66, 

 139; Hume and Benders., Lahore to Yark., p. 224; Hume, Sir. F. 1873, 

 pp. 29-30; Ball, Sir. F. 1874, p. 440; Brooks, /. c. p. 456; id., 1875, 

 VOL. 11. 35 



