THE ANIMAL KINGDOM. 



271 



We find more extent but not more intelligence in the 

 buildings executed by the great carnivorous birds, such as 

 the eagles, goshawks, and falcons — the lords of the air. 



161. Nest of tlie Batn-ovtl—Strix flammea (Linnseus).— From the Rouen Museum. 



Fierce and solitary, the former suspend their nests in the 

 midst of the most horrible precipices, without dreading 

 either the roar of the cataract or the crash of the aval- 

 anche. The bulk of the work and the mass of the mate- 



35 



