THE BIRDS OF GREENLAND. 45 



found in great numbers in South Greenland. Eggs were 

 taken on June 15. 



10. Razor-billed Auk. (Alca tarda.) 



A summer resident, not uncommon either in North Green- 

 land or South Greenland, and breeds along the whole coast. 

 Eggs were taken June 2 and June 30. 



11. Great Auk. (Plautus impennis.) 

 Formerly occurred in Greenland, — now extinct. 



12. Dovekie. {Alle alle.) 



Breeds in North Greenland, its most southerly nesting- 

 place being near Egedesminde in about 69° N. lat. During 

 winter it is often very numerous in South Greenland. 



13. Skua. {Megalestris skua.) 



Occasionally seen along the shore of South Greenland. 



14. Pomarine Jaeger. {Stercorarius pomarinus.) 



A summer visitor, nesting between 64° and 73° N. lat., 

 and is. the most common Jaeger of North Greenland. 



15. Parasitic Jaeger. (^Stercorarius parasiticus.) 



A summer resident, nesting quite commonly in South 

 Greenland, even up to 69° N. lat. Eggs were taken from 

 June 4 to July 25. 



16. IiOng-tailed Jaeger. (Stereomrius longicaudus.) 

 Breeds somewhat rarely and only north of 62|° N. lat. 



