THE PORPOISE AND DOLPHIN 



The remaining members of the Cetacea are all 

 included in one family, viz. Delphinidts, which 

 includes a large number of species. 



With the exception of the Narwhal and Risso's 

 Dolphin, all the members of this family are of small 

 or medium size, and possess a large number of teeth 

 in the upper and lower jaws. There are other 

 anatomical differences. 



A fairly large number of members of this family 

 have been recorded from the seas off the South 

 African coasts. For instance : 



THE KILLER OR GRAMPUS 



{Ore a gladiator) 



The Killer is aptly named, for it is the most vora- 

 cious of all the Whale, Porpoise and Dolphin order 

 of animals. The Killer attains an average length 

 of 20 feet, and the world is its hunting grounds. 

 Associating in small parties they attack and devour 

 all other members of the Whale Order as well as 

 seals and fishes. Its appetite is enormous and 

 almost unbelievable. A Killer of 21 feet in length 



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