62 



SPECIMENS OF CETACEA. 



cavity opens horizontally at upper border of inner 

 surface 1| inch above keel, Eustachian end well 

 notched. Figure of outer surface below. 

 Elie, Fife, July 1879. 



8. Tympanic bone, broken, right, with incus. Left bone on 



the skull, No. 6. Length 3| inches, breadth 1^ inch, 

 height 2^ inches. 

 Alloa, 1888. 



9. Tympanic, right; length S\ inches, breadth If inch, 



height 2 1 inches. Characters resemble No. 7. 



10. Baleen, two specimens from B. rostrata, one with four 



plates, the other with eight plates, having the 

 characters of the species. From the Dunbar example, 



No. 5. 



11. Baleen wreath of B. rostrata, 38 inches in length; the 



plates and bristles have the characteristic yellow- 

 white colour and the form and dimensions of the 

 species. From a specimen caught at Stornoway. 



Donor — John Methuen, Esq. 



12. Baleen, end of wreath, from the B. rostrata stranded at 



Burntisland, September 1870 (No. 3). When fresh 

 the plates were dull white with pink or rose tint. 



13. Baleen. Longitudinal section through plates of the baleen 



of J5. rostrata, No. 3. The palatal mucous membrane 

 was injected red to show the blood-vessels in the folds 

 and in the papillae which extend into the plates of 

 baleen. The pink tint seen in the white plates in 



