50 



NESTING BOXES, ETC. 



corners of walls under the eaves of a building, as 

 suggested by the following sketch (Fig. 12). 



One of these shelves has also been used by a Wren 

 whereon to build its nest. 



Fig. 12. — Section of a Building or Outhouse, sliowing the 

 positions where Nesting Brackets or Trays may be most suit- 

 ably placed. 



For House Martins, Mr. Sutton Davies informs 

 me, little boxes of birch bark attached to the walls 

 of a house are provided by the Lapps, and he saw 

 one of these little boxes actually occupied by a nest 

 of this bird. He also states that most houses in 



