476 



MANUAL OF ZOOLOGY. 



Jackass Penguin {Sphmiscus demersus) of the Falkland Islands, 

 and the King Penguin (Aptenodytes Patagonicd) of the Straits ' 

 of Magalhaens. In the Auks {Alcidce) \!s\e. wings are better 

 developed than in the Penguins, and they contaioi true quill- 

 feathers ; but they are still short as compared with the size of 



Fig. i86. — Jackass Penguin ISphettiscits demersusy 



the body, and are of more use as fins than for flight. The 

 Great Auk or Gare-fowl {Alca impmnis) is remarkable for being 

 one of the birds whidi appear to have become entirely extinct 

 within the human period, .having been, in fact, destroyed by 

 man himself. It used to abound in the arctic regions, and 

 occasionally visited our own shores in the winter. The Little 

 Auk {Mergulus alba) occurs still in abundance in the seas of 

 the arctic regions. Other well-known members of this group 

 are the Razor-bill, the Puffins {Fratercula arctica), and the 

 Guillemots ( Uria). The Guillemots have a short tail, narrow 

 and pomted wings, short feet, and no hallux. . Like the other 



