APPENDIX.— BIRDS OF PASSAGE 55 



Black-neckeu CiRKHK, Podicipes nigricollis. — North Central to 



Southern Europe. 

 *Razori!Ill, Aka torda. — Coasts of Iceland and Scandinavia. 

 *GuiLLEMOT, Uria troile. — Coasts of Iceland, Bear Island, and Norway. 

 *PuFFiN, Fraterciila arctica. — Coasts of Iceland and Norway. 

 Little Auk, Alle alle. — Greenland, Grimsey (Iceland), Spitzbcrgen, 



Franz Josef Land, Novaya Zemlya. 



In addition, the following are also to be reckoned as 

 Winter Visitors in small numbers from the North : — 



* Wood-Lark, Aiauda arbor ca. 



Continental Goldfinch, Cardiielis carduelis. 



Snowy Owl, Nyctea fvctea. 



Greenland Falcon, Fako candicans. 

 *H en-Harrier, Circus cyaneus. 

 *Water-Hen, GalHniila chloropus. 



Ruff, Machetes piignax. 

 *Greenshank, Totanus iiebularius. 

 *Black-headed Guli^ Larus ridibundus. 

 *Great Skua, Me}^alestris catarrhactes. 



Po.MATORHlNE Skua, Stercorarius ponialorhinus. 

 *Arctic Sku.v, Stercorarius crepidatus. 

 *LiTTLE Grebe, Podicipes fluviati lis. 



Appendlx IV. — List of Birds of Passage 



The following species occur annually in spring and 

 autumn as birds of passage in the British Isles. The 



Seasonal Distribution given indicates whence they 

 may have come, and whither they may be going when 

 traversing our shores : — 



Grey Crow, Corvus comix. 

 Sumuier.— Northern Continental and Central Europe. 

 Winter. — South-west Europe, North-west Africa. 



Rook, Corvus frugikgus. 

 Summer. — Northern and Central Europe. 

 Winter. — Western and Southern Europe. 



