THE BLUE AND YELLOW MACCAW. 



Machocercvs Ararauna. Vieill. 



In describing the Red and Blue Maccaw, at page 13 of 

 the present volume, we gave a brief indication of the 

 characters by which the Maccaws are distinguished 

 from the rest of the Parrots. The present species 

 exhibits all these characteristic marks as completely as 

 any of the group, of which it is one of the most conspi- 

 cuous examples. In size it is somewhat inferior to the 

 species formerly described, the male bird measuring 

 little more than two feet and a half in total length 

 when fully grown and in fine condition. Its colour's 

 are remarkably distinct. All the upper parts, from the 

 forehead to the extremity of the tail, including the sides 

 of the head and the upper surface of the wings, are of 

 a bright blue, with a slight tinge of green ; the under 



