

V lORTEBEATA. 



GREEXLAXDER SPEAKING A NARWHAL. 



ci< - Oi spermaceti-whale are mentioned as follows: 

 The Ml ti w Sperm-Whale, C. Colneti, an inhabitant of the North Pacific, the South Seas, 

 nni! equatorial oceans, and often referred to the last species. 



The Smith Ska Sperm-Whale, C. pohjeyphus, is found in the Southern Ocean, and often 

 -]>-.k the Cachalot or Sperm-Whale. , 



I KOGIA: Kogia. — Tins name is given by Dr. J. E. Gray to a form of whale with a 

 shorter head, which has been taken at the Cape of Good Hope. 



■headed Whale, K. breviceps, of Gray, is the only species, and has been described 

 Iron 'villi in the Paris Museum. It has been regarded by some as the young of the 



rm- Whale. 



PHYSETEK : Physeter. — This is the generic term applied by Linnaeus and many sub- 

 equent writers to the Sperm-Whale, but it was originally applied by Artedi to the Blackfish, 

 t.> which I >r. .). K. Gray has restored it in the British Museum Catalogue. 



Blacktisb of Gray, P. Tursio, probably the Delphinus globiceps, or D. grampus of 

 1 fa black color; one taken off the coast of Scotland was fifty-two feet long. 



THE DELPHINIDJE. 



Tie- Dblphthto • or Dolphins, the family of which the Dolphin is the typo, and which includes 



Dolphin but the Porpoise, &c, are more numerous than those of the other Cetacea. 



tingnished from the last family by the smaller and more proportionate head ; and in 



- which have losl their upper teeth at an early age, by there being no regular pits in 



ipper jaw l"< *r tin- reception of the teeth of the lower one ; and also by the hinder 



kull not being deeply concave and surrounded on the sides and behind by a high ridge. 



Ih- G BYPEROODON, Hyperoodon, presents several species: the Bottle-Head or 



ekd-Whai i , of Pi onant, //. Butzkopf, inhabits the North Sea. 

 The Beaked Byfsboodon, //. rostratum, inhabits the North Sea. It differs from the last 

 i having the dorsal fin behind the middle of the back. It has been taken jn the Thames 

 the Bomber, and skeletons exist in the museums of Edinburgh, Bristol, and Liverpool. 



