Aviaries. 249 



better than logs of soft rotten wood, which they can 

 hollow out for themselves, piled up on shelves or hung 

 up round the walls, or from the roof. Some birds 

 build in preference in branches of trees or bushes, and 

 if the smaller foreigners are admitted, they must have 

 cocoa-nuts, baskets, and boxes of all shapes and sizes. 

 Dr. Russ recommends as excellent nesting-places the 

 small travelling cages made of bars of wood, with one 

 or two bars pulled out : in these, if necessary, open 

 baskets can be put, and they make good hiding-places 

 for the little birds, into which the larger birds cannot 

 follow them. 



