16 ROUGH-LEGGED BUZZARD 



and irregularly over the rest of the surface, with dark yellow 

 tinged with pale brown. 



I cannot anywhere better give than here, the opinion of 

 Mr. H. F. Walter, which he has favoured me with on this 

 subject, namely that the eggs of nearly all rapacious birds of 

 the Hawk tribe have colour, and only lose their colour when 

 the bird has laid several eggs, the last egg being often 

 white, or nearly so ; and that young birds generally lay 

 more colourless eggs than the old ones. 



Two varieties are shown in the plate. 



