— 22 — 



103. Northern Blue-headed Wagtail. Motacilla flava tliun- 



bergi Billberg. 

 Not mentioned by Shelley. 

 Not uncommon during spring migration and is to be met 

 with on return passage in autumn. 



Differs from the previous form in having the entire crown 

 and sides of head dull grey with no eyestripe. Sometimes the 

 forehead is dull blackish grey. 



104. Grey-headed Yellow Wagtail. Motacilla flava cinereo- 



capilla Savi. 

 Butytes cinereocapilla. Shelley, p. 129 (refers to M. f. fygmcBoi). 



Not uncommon in the mixed flocks of yellow wagtails during 

 the spring migration. 



Head grey ; little or no white eye stripe ; chin and upper 

 throat white ; otherwise as preceding forms. 



105. Egyptian Blue-headed Wagtail. Motacilla flava 'pygmcea 



(Brehm). Plate 25, fig. 7. 



Budytes cinereocafilla. Shelley, p. 129. 



Resident in cultivated portions of the Nile Valley from the 

 Lake district to as far south as Aswan. 



Similar to the above but smaller and more dull in colora- 

 tion. The females are recognizable from females of all the 

 other " yellow wagtails " by their smaller size. 



106. Black-headed Wagtail. Motacilla feldeggi feldeggiMicha- 



helles. 



Budytes melanocephala. Shelley, p. 130. 



Very abundant during the spring migration and not un- 

 common in autumn. 



Length 6 inches. Head glossy black ; upper parts greenish ; 

 chin, throat, and belly buttercup yellow. The female lacks the 

 black head and is duller in coloration. 



107. Yellow Eyestriped Black-headed Wagtail. Motacilla 



feldeggi xanthophrys Sharpe. 



Motacilla xanthophrys. Sharpe,"Cat. Birds Brit. Mus.,"vol. x, p. 532. 

 A few may be seen during the spring migration. 

 Similar to the aforementioned except for having a yellow 

 eye stripe. 



