54§ 
PENGUINS. 
In these the beak is straight and moderately short, but very wide and deep, with 
the tip of the upper mandible slightly hooked, and that of the lower truncate. 
There are no crests; and the metatarsus is relatively long. In the adult of the 
black-footed penguin the general colour of the plumage is bluish grey above, and 
GROUP OP BLACK-FOOTED PENGUINS. 
white below; a band the colour of the back extending (as in Humboldt’s penguin) 
from the front of each thigh up the sides to form an arch on the front of the neck, 
while the white of the throat is continued upwards on the sides of the neck to 
form a line through the eye. The total length is about 26 inches. In young birds 
a broad blackish band occupies the whole of the front of the lower part of the 
throat, and joins directly with the dark area of the back, while there is no white 
