NESTLING THRUSHES 



Showing the distribution of the feathers over the body, and the large featherless spaces cr " apteria." 

 The feather tracts are here very narrow and the spaces very wide : in the pigeons exactly the 

 reverse is the case. See Model. 



Photo by Henry Irving, Hortey. 



GOLDEN EAGLE 

 Showing the method of tearing up the food. 



