THE SINOING BIRDS. 



231 



■ Order 11. Pa (Perching birds), 



group of birds, those which sing, are the Past 

 pcrchers. In these birds the feel are adapted for grasp- 

 ing, oik' toe projecting backward, while the bill is horny. 



Fig. 272.— The Lyre-bird of Austral 



usually sharp — conical, according to Cones. Various 

 are the shape of the wings, they agree in having the great 

 vow of coverts not longer than half the secondaries; the 

 primaries either nine or ten in number, ami the secondaries 



