34 



SPECIMENS OF CETACEA. 



border is not so sharp as in sihhaldi, and the bone 

 on each side is not so much compressed laterallj^ as 

 in Sibbald's Whale. The tympanic cavity opens hori- 



zontally at the thick, rounded upper border of the 

 inner surface 2\ inches from the keel ; Eustachian end 

 slightly notched. Figure of outer surface above. 

 November 1887. Donor — Dr Chas. Anderson. 



Turner Collection. 



4. Tympano-periotic bones, the left fused; with tympanic 



ossicles ; probably B. onusculus. Length 4i inches, 

 breadth 2| inches. Monro Collection. 



4a. Tympanic bone, left ; length 5 inches, breadth 2y",^ inches, 

 vertical height 3 inches ; outer surface very convex, 

 a short wide groove separates it into a longer posterior 

 and shorter anterior division ; inner surface convex, 

 striated and rovmded at the upper curved border 

 where it turns into the cavity ; inferior surface keeled, 

 not very prominently, but continued behind into a 

 border much stronger than the anterior border. 



Donor — Dr A. Logan Turner, 1912. 



5. Vertebra, portion of ; the plates are ossified to the body ; 



possibly B. miiscnlua. 

 The Camps, Wick. 



Found in 1893, during drainage operations, and believed 

 to belong to a whale stranded there in 1782. 



Donor — Bailie Chas. Bruce, Wick. 



