24 BLACK-AND-WHITE BIRDS. 



the Magpie, which is from two to three times as long 

 as the Pied Wagtail. 



YELLOW WAGTAIL— Olive above; sulphur-yellow below. 



GRAY WAGTAIL — Blue-gray above ; sulphur-yellow below. 



WHITE WAGTAIL— Occurs on migration in spring and 

 autumn. The black ceases at the nape, the back being 

 clear gray. The back of the Pied species is gray in the 

 female, but the gray is dingier, and irregularly streaked 

 and blotched with black. 



SNOW-BUNTING— 7 inches ; a winter visitor in flocks to 

 our eastern seaboard, of the form of a Chaffinch, there- 

 fore lacking the long tail and sharp bill of the Pied 

 Wagtail ; the head and neck wholly white (save for an 

 admixture of ruddy brown in the upper parts at thia 

 time), and therefore without the black cap and gorget of 

 the Pied Wagtail ; a hopping bird, and in winter gregari- 

 ous, whilst the Pied Wagtail walks, and associates little 

 with others of its kind. 



SNOW-BUNTING.— Plate 12. Length, 7 inches. 

 The whole head, neck, and under * parts white ; back 

 black ; wings variegated with bold white and black 

 tracts ; tail black in centre, outer feathers mostly 

 white. Winter migrant. 



Distribution. — An autumn migrant to the east 

 coasts of England and Scotland ; a few birds have 

 been found breeding on the higher, mountains of the 

 latter country. 



Although the female is always a browner bird and 

 the male in autumn gets a certain admixture of ruddy 

 brown in the plumage of head and back, the Snow- 

 Bunting is, with the exception of the Pied Wagtail, 

 the only ground-feeding bird of approximately his 

 own size whose plumage may be described generally 

 as strikingly black and white. He differs from the 



