21 E. LÖNNBERG, CONTRlBUTIONS TO THE FAUNA OF SOUTH GEORGIA. 



Whales. 



Toothed Whales. 



Orca sp. 



Killer whales were frequently seen by the captain and crew of the whaling 

 steamer. Captain Larsen even shot at one once but missed him. One day it was 

 told that a Blue whale had been attacked by Killer whales and that pieces of blub- 

 ber had been found-f loating on the surface of the sea, but no details are known so 

 that the story is quoted with all reser ve. 



Delpliinus sp. 



Two or three times dolphins were seen from the whaling steamer, always in 

 bad weather. Sörling heard the sailors say that these dolphins had rather high 

 dorsal fins, but that was all he learned about them, and he ne ver saw any himself. 



Whalebone Whales. 

 Balaenoptera intermedia (Burmeister 1866). 



Syn: Sibbaldivs antarcticus Burmeister 1865. 

 Balcenoptera intermedia Burmeister 1S6H. 



Some pieces of baleen of specimens killed off Cumberland Bay. 



The name Sibbaldius antarcticus was established by Burmeister on the »6 feet 

 broad and 3 feet high» bladebone of a whale which had been found near Buenos 

 Aires. Låter on the same author had the opportunity of studying two stranded 

 specimens which, when the skeletons had been examined, proved to be younger indi- 

 viduals of the same kind. He then gave, however, a new name, intermedia, when 

 he could fully describe (17) the animal and found that it in some points e. g. sta- 

 ture, was intermediate between the northern Blue Whale (B. musculus (Lin.), B. sib- 



