72 



SPECIMENS OF CETACEA. 



teeth on each side ; right preraaxilla much larger 

 than left ; right naris smaller and not in same trans- 

 verse plane as left. Vomer distinct in middle of hard 

 palate. Colour black on dorsum, venter grey. Length 

 of male 50-60 feet ; dorsal fin a low hump, pectoral 

 fin short ; vertebral formula C^D^^LgCdg^ = 50. 



1. Mandible of adult male, probably about 60 feet long. 



Length of mandible 15 feet 10 inches ; length of 

 symphysis 9 feet 8 inches. Teeth removed. Stranded 

 in Loch Scavaig, Isle of Skye, Jul}^ 1871. Described 

 by Sir Wm. Turner in Proc. Roy. Soc. Edin., vol. vii. 

 p. 632, 1872. 



[Nos. 1 to 8 are from the Sperm Whale stranded in 

 Loch Scavaig, 1871. Turner Collection.] 



2. Tooth, mandibular, extracted from jaw, also vertical 



section through another tooth of the same Cachalot. 



Donor — Mr J. Mackinnon. 



3. Teeth. Series of aborted maxillary teeth of the same 



Cachalot. Donor — Mr J. Mackinnon. 



4. Ribs, three. Right first, width of sternal end 18 inches, 



6 feet 2.^ inches on convex border, chord of arc 3 feet 

 2 inches. Pair of the longest ribs, each 9 feet 5 inches 

 along curve of arc ; chord of the arc 5 feet 6 inches. 



5. Sternum of the same whale, fully ossified — a massive bone, 



triangular in form, 50 inches long, 40 inches wide at 



