OF NOHTHUMBEELAND MXD DUKHAM. 57 



Finch, namely, by the margins of the feathers wearing o&^ 

 The change in appearance thus produced is very remarkable in 

 this species : the head, neck, breast, and belly become quite 

 white, while the back and scapulars are changed to pure black. 

 The lower figure, Plate YI., represents the bird in the winter, 

 and the upper figure in the summer dress. 



48. Lapland Bunting. P. Lapponicus, {LinncBus.) 



Phctroplianes Lapponica, Yarrell, Hist. Brit. Birds, Ed. 2, I., 

 465. 



CentropJianes ,, Gould, Birds of Gt. Britain, Part XII. 



This is a very rare casual \dsitant. A specimen in the Durham 

 Museum was killed out of a fiock of Snowfiakes in the neigh- 

 bourhood of that town, January, 1860. And a living example 

 is at present (1873) in the possession of Mrs. Jeffries, IS'ewcastle- 

 on-Tyne ; but how and where it was obtained is not known. 



Family. ALAUDID^, Schinz. 

 53. ALAUDA, Limicms. 



48. Skylaek. a. arvensis, Linnceus. 



Alauda arrensis, Bewick, Hist. Brit. Birds, Ed. 1847, L., 195. 

 „ „ Yarrell, Hist. Brit. Birds, Ed. 2, I., 447. 



A common resident throughout the district ; in autumn, con- 

 siderable numbers migrate to our shores fi'om more northern 

 latitudes. Varieties of colour sometimes occur. In Dr. Charl- 

 ton's collection there is a specimen entirely white. 



50. Woodlahk. a. aebokea, Linnceus. 



Alauda arlorea, Bewick, Hist. Brit. Birds, Ed. 1847, I., 198. 

 „ ,; Yarrell, Hist. Brit. Bii'ds, Ed. 2, I., 459. 



Mr. Thomas Robson shot, near Swalwell, March, 1844, two 

 specimens of this casual visitant, and kindly presented them to 

 me. In Mr. Selby's Catalogue an example is mentioned as hav- 

 ing being killed near Twizell, on the 24th of jSTovember, 1827. 



