THE PACIFIC OCEAN. 987 
in manners, and generally are found in company. 
These are the one just mentioned, the Crested Pen- 
guin (A. chrysocome), and the Jackass Penguin (A. 
demersa). The latter has obtained its title from its 
nightly habit of emitting discordant sounds, which 
Penevins. 
have been ‘likened to the effusions of our humble 
sonorous friend of the common. This species seems 
to deviate from the general manner of breeding, as 
it burrows on the sandy hills, and is more sensible 
of injury than its fellows. For Forster describes the 
ground as every where so much bored, that a person 
