BAL^NOPTERA. 59 



whaling seaman, 1911, who took them from the Sye 

 Whale (Saaiwahl, Sejhval). The bones closely corre- 

 spond with those of B. borealis. Length 4f inches, 

 breadth 2^ inches. Donor — Sir Wm. Turner. 



<j. Tympanic bone, left ; length 4 j% inches, breadth 2^ inches, 

 height 2^^ inches. Outer surface convex, separated 

 by short wide groove into longer posterior and shorter 

 anterior divisions ; inner surface relatively flattened, 

 and with thick upper striated border almost straight ; 

 inferior aspect definitely keeled, with its sides laterally 

 compressed, prolonged into a strong posterior border, 

 whilst the anterior end is relatively flat ; malleus 

 fused with lip-like process. 



Donor — Dr A. Logan Turner, 1912. 



7. Baleen, two blades; purchased. From a Sye Whale 



brought into New Island, Falklands, in 1910. Colour 

 mostly black, but striped grey, and with white band 

 at inner border: bristles whitish, slender and delicate. 

 Presumably B. borealis. 



Donor— Sir Wm. Turner, 1911. 



8. Baleen, small blades, from the anterior end of wreath of 



B. balneal is, stranded at Kinneil, Bo'ness, September 

 1872, No. 1. Colour dark grey, striped greyivsh white, 

 with whitish, slender, delicate bristles. 



Turner Collection. 



(4) Bal^noptera rostrata. (Bpt. r.) 

 (Lesser Rorqual or Pike Wliale.) 

 Balsena rostrata, Fabricius, Fau7ia Groenlandica, 1780. 

 Balajnoptera acuto-rostrata, Lacepede, op. cit. 

 Balsena minimus borealis, Knox, Catalogue of Museum, 1838. 



Colour rich black on back, white and slaty grey on 

 belly, white band where flipper joins side of body. 

 The smallest species of Rorqual, not exceeding 35 

 feet; eleven pairs of ribs, dorsal fin high. Baleen 

 short, whitish yellow ; head flattened, dorsum tapering 

 to a pointed beak. Outer border of superior and 

 premaxillse straight, not curving inw^ards at tip. 



1. Skeleton, natural, of young B. rostrata, 9 feet 8 inches 

 long; skull 2 feet 11 inches. Baleen plates about 

 2^ inches long; dull white. Vertebral formula 

 C^D^^LCdg^ = 49. Described in Catalogue of Knox 



