breadth at base 5^ inches. Teeth sockets y^ 



126 SPECIMENS OF CETACEA. 



at base 5 inches. Summit of nasals, ridge and 



suture on vertex ahnost on same plane ; premaxillas 



convex and tumid in front of nares, grooved for some 



distance beyond the foramen, then again slightly 



convex. Superior maxillae form borders of beak. 



26 26 

 Teetli moderate, acute, ^ ^. Pterygoids large, 



slightly in contact mesially. 

 Kilbrennan Sound, September 1879. 



Donor — J. Y. Buchanan, Evsq., F.R.S. 



3. Skull, adult, with mandible ; length 18 inches, breadth 



10 inches. Length of beak 9 inches, breadth at base 



24 24 



5 inches. Teeth moderate, acute, x-, ~ . Mandible 



24 24 



length 14 f inches, symphysis If inch. 



Berwick, July 1881. Donor — Mr Brotherston. 



Turner Collection. 



4. Skull, adult female, with mandible; length 17 inches, 



breadth 9| inches. Length of beak 8| inches, 



24 24 

 26 26' 

 Mandible 14 [ inches long, symphysis If inch. The 

 animal was gravid, and was found beached on the 

 sands at Kintradwell, Sutherland, May 1882. 



Donor — Rev. Dr Joass, Golspie. Turner Collection. 



Skull, adult, without mandible ; length 18| inches, 



breadth 10 inches. Length of beak 9 inches, breadth 



26 26 

 at base 5h inches. Tooth sockets . 



St Ninian's Bay, Bute, November 1899. 



Donor— H. B. Watt, Esq. 



Skull, with mandible, from a young female L. albirostris. 

 Length of skull 12 inches, breadth 5| inches. Length 

 of beak 5| inches, breadth 3\ inches. Teeth moderate, 



24 24 



acute, ^^rw ^. Length of mandible 9h inches, of sym- 



26 26 * ^ > J 



physis 1| inch. Length of animal 4 feet 2 inches. 

 Right tympano-periotics in situ. Described by 

 Professor Cunningham, F.R.S., in Proc. Zool. Soc. 

 Lond., June 1876. 

 Great Grimsby, September 1875. 



Professor Cunningham's Collection. 



Tympano-periotic bones, left, fused, also with temporal, 

 from the young skull, No. 6. Tympanic length Ij 



