474 irOTACILLIDJE. 



g, h. 2 juv. hiem. Lower Pegu, Nov. 11. E. W. Gates, Esq. [O.J. 



sk. 



i. J ad. hiem. sk. Lower Pegu, Dec. 27. E. W. Gates, Esq. [C.]. 



k. 2 .)U'^- liiera. sk. Lower Pegu, Jan. 10. E. W. Gates, Esq. [0.1. 



1, 771. "$ ad. oestiv. Lower Pegu, April. E. W. Gates, Esq. [0.]. 



sk. 



w. 5 i iTim . sk. Lower Pegu, April. E. W. Gates, Esq. [0.], 



4. Motacilla lugens. (Plate IV. figs. 1-4.) 



Motacilla albeola, var., Pall. Zoogr. Rnsso-Asiat. i. p. 507 (1811). 

 Motacilla lugens, " Pall.;' Kittl. Kupf. Vog. p. 16, pi. 21. fig. 1 (1832, 



nee T. Sr S.) ; Jottg, Proc. U.S. Nat. Mus. vi. p. 290 (188.3). 

 Motacilla higubris (non I.), Gould, B. Eur. ii. pi. 142 (1837) ; Keys. 



^ Bias. Wirb. Eur. p. 174 (1840); Cab. Mus. Hein. Th. i. p. 12 



(1850) ; SiDinh. Ibis, 1803, p. 308. 

 Motacilla lugens, " Illig.," Bp. Consp. i. p. 2.50 (1850, pt.). 

 Motacilla alba, var. lugens, Schrench, Reis. Amurl. i. p. 338 (1859). 

 Motacilla japonica, Swinh. Ibis, 186.3, p. 309; Wliitely, Ibis, 18G7, 



p. 198 ; Swinh. Ibis, 1874, p. 156, 1876, p. 33 ; David Sf Oustalet, 



Ois. Chine, p. 300 (1877). 

 Motacilla amurensis, Seebohm, Ibis, 1878, p. 345, pi. ix., 1879, p. 34, 



1883, p. 91, 1884, p. 39 ; Blakist. 8f Fryer, B. Japan, p. 155 (1882) ; 



Ridgiu. Pr. U.S. Nat. Mus. vi. p. 144 (1883) ; Blakist. Chrysan- 

 themum., ii. p. 31 (1883) ; id. Amended List B. Jap. p. 53 (1884) ; 



Seebohm, Ibis, 1884, p. 39. 

 Motacilla blalristoni, Seebohm, Ibis, 1883, p. 91, 1884, p. 38 ; Ridgio. 



Proc. U.S. Nat. Mus. vi. p. 144 (1883). 

 ISIotacilla camtschatica, Tacz. Bull. Soc. Zool. France, 1882, p. 388. 

 Motacilla kamtschatica,'S';'e>er/er,Pr. U.S. Nat. Mus. vi. p. 71 (1883) ; 



Dyhowski, Bull. Soc. Zool. France, viii. p. 360 (1883). 



Key to the Plumages of M. lugens. 



a. Outer secondaries entirely white ; primaries 



white, with black near the ends. 

 , a'. Back black as well as the crown. 



a". Entire back black (Sad.: summer. 



b". Back black, mixed with ashy 2 ud.: summer. 



b'. Back grey ; head black d' $ o(?. : winter. 



b. Quills brown, edged with white. 



c'. Back black c? in first siunmer. 



d'. Back grey, or grey mixed with black. ... 5 in fii"st summer, 

 e'. Back entirely grey, with no black or gi'ey 



with an olive tinge ; head sometimes 



blacldsh ; crescent on throat black .... Young in first winter. 

 /'. Back grey, washed with olive ; no black 



on head ; crescent on throat dusky 



blackish Young in first plumage. 



Young in first plumage. General colour above light ashy brown, 

 the lower rump rather more dusky ; the upper tail-coverts dusky 

 blackish, with ashy edges, the lateral ones externally white ; lesser 

 wing-covcrts like the back ; median and greater coverts dusky brown, 



