balj^:noptera. 



63 



their fresh condition is due to the blood in the vascular 

 papillae. Described by Turner in Trans. Roy. Soc. 

 Edin., vol. xxvi., 1870. See figure below. 



14. Baleen. Transverse section through plates of baleen and 

 the intermediate substance in which they are im- 

 bedded ; blood-vessels of the papillae in the plates were 

 injected' red. From Burntisland specimen. 



15 Baleen. Pharyngeal end of wreath of the specimen from 



Burntisland, B. rostra ta. The baleen plates and the 

 intermediate substance, or " gum " of the whaling 

 seamen, have been stripped off the palatal mucous 

 membrane to show the folds and papillae, also the 

 recesses in the wreath in which the folds and papillae 

 are lodged. Spirit preparation. 



16 Hyoid bone of adult, body and cornua fused together; 



greatest breadth 1 foot 9 inches, concave on superior, 

 convex on inferior surface, cornua swollen; stylo- 

 hyoids flattened on surfaces, separate. 

 Dunbar, Firth of Forth, 1871. 



17 Vertebrae, 1st and 2nd dorsal, left 1st rib, and sternum, 



articulated ; sterno-vertebral diameter of thoracic inlet 

 16 inches. Sternum a Latin cross with long posterior 

 limb; length of bone 20 inches, breadth 13^ inches. 

 From No. 5. 

 Dunbar, 1871. 

 IS Vertebrae, atlas, axis, and five other cervicals; plates 

 ossified to bodies ; the bodies of axis and 3rd cervical 

 fused; neural arch of 3rd imperfectly ossified, also 



