I6â 



in the tundra, and in the beginning I often walked to this spot in 

 the hope of finding their nests here; these always lie on level 

 ground, however. 



Ster cor arias longicauda Vieill., the Long-tailed or Buffon's Skua. 



Stercorarius crepidatus (Banks), Trevor Battye (1897), p. 594. 

 Lestris longicaudata (Vieillot), Kolthoff (1903), p. 69. 

 Stercorarius cepphus (Brunn.), Schalow (1904), p. 133. 

 Lestris longicauda (Vieill.), le Roi (1911), p. 201. 

 Stercorarius longicauda Vieill, Zedlitz (1911), p. 309. 



cT, Tundra Boheman, July 1, 1921. 



In Spitsbergen the Long-tailed Skua can be observed regularly, 

 but nests have never been found there as yet. In Tundra Boheman 

 a cT was shot on July 1 and on July 27 I saw another specimen 

 near the Cape. Moreover Gordon observed a pair in the tundra on 

 July 17. In Advent Bay we (O.E.) saw some eight or ten of these 

 splendid birds together on July 18. Such flocks are especially noticed 

 in S. longicauda; they do not occur in S. parasiticus, which is to be 

 seen in two or three pairs at most. From the common species this 

 Skua can be distinguished in adult plumage by its very long tail, 

 the middle tail-feathers being much more than 15 cm. long (in pa- 

 rasiticus not more than 10 cm.). Moreover the broad ashy-grey 

 band across the breast is lacking in longicauda (according to Zed- 

 litz, 1911, p. 309). My cT has still some juvenile characteristics: 

 spotted underwing-coverts and dark stripes on its underbreast. Its 

 tail-feathers are more than 15 cm long. 



Uria lotnvia lonivia (L.), Brünnich's Guillemot. 



Uria briinnichii (Sab.), Trevor Battye (1897), p. 597. 

 Uria briinnichii (Sab.), Kolthoff (1903), p. 79. 

 Uria lomvia lomvia (Linn.), Schalow (1904), p. 127. 

 Uria lomvia (Pall), le Roi (1911), p. 251. 

 Uria lomvia lotnvia L., Zedlitz (1911), p. 304. 

 9, Icefjord near Cape Boheman, Aug. 11, 1921. 



In the Arctic Ocean I saw the first troops of this Guillemot, 

 recognizable by its strong bill, on June 22. It breeds in large quan- 

 tities on Bearisle and is in Spitsbergen the commonest of the Alcidae 

 together with the Little Auk. In Icefjord it abounded in June and 



