CETACEA. 95 



notch. Lower jaw very depressed and broad in front at the sym- 

 physis. 



Phocsena crassidens, Owen, Brit. Fossil Mam. 516. f. 213, 214, 



216. 



Orca crassidens, Gray, Zool. Erebus fy Terror, 33. 

 Inhab. Fens of Lincolnshire. Fossil skull in Mus. Stamford 



(now Mus. Coll. Surg. ?), of the following measurements : 



Skull : Length, entire 23 or 24 0* 



nose 12 6 



teeth line 10 



' lower jaw 21 



Breadth at notch 8 6 



at middle of beak . . 80 



of intermaxillaries . . 56 



In the figure the beak is 1^ the length of the base at the notch, 

 and exactly the length of the skull. 



3. ORCA CAPENSIS. The CAPE KILLER. 



Skull flattish above, rather concave in the middle before the 

 blow-hole. Nose rather convex on the side, rather tapering in 

 front. Teeth |, very large, thick, nearly to the preorbital notch, 

 concave on each side, for the reception of the teeth of the oppo- 

 site jaw, the front upper small, acute, front lower large, worn 

 down, rounded. Intermaxillaries rather dilated, and broader over 

 the front of the nose, contracted behind. 



Delphinus globiceps, Owen, Cat. Mus. Coll. Surg. 165. n. 1139; 



Grant, Proc. Zool. Soc. 1833, 65. 



D. Orca, Owen, Brit. Fossil Mam. 516; Eydoux, Mus. Paris. 

 Orca Capensis, Gray, Zool. Erebus fy Terror, 34. t. 9, skull. 

 Grampus, Bennett, Whaling Voyage, ii. 239. 

 Inhab. Southern Ocean. Cape of Good Hope, M. Vilete (1818), 



Mus. Coll. Surg. n. 1139. Northern Pacific Ocean, Capt. Del- 



vitte, R.N. Chili, Eydoux, Mus. Paris. 



a. Skull. Northern Pacific Ocean. Presented by the Zoolo- 

 gical Society of London. The specimen figured in the Voyage 

 of the Erebus fy Terror, fig. 9. p. 34. 



The following are the measurements, first, of the specimen 

 n.1139 in the Museum of the College of Surgeons, and secondly, 

 of the skull in the British Museum : 



in. lin. in. lin. 



Skull : Length, entire 37 36 6 



of nose 18 18 



of teeth line 14 6 14 6 



