THE DEEP BLUE MACAW. 
ANODORHYNCUS MAXIMILIANI. Spix. 
THE second Order of Birds, which comprehends both 
the Pice and Passeres of Linnzus, is essentially distin- 
guished from the rest of the class by the structure of the 
feet, which are formed for perching. ‘Those of the Scan- 
sorial tribe in particular, to which all the species to be 
here noticed belong, have two of the toes directed for- 
wards, and the remaining two directed backwards, in 
such a manner as to enable them to grasp the branch of 
a tree or other similar objects with peculiar firmness, 
and consequently to climb with more than usual agility. 
This section comprehends some of the most gorgeously 
coloured and splendid among birds, as well as those 
