168 



The Ottawa Naturalist. 



[.Alar. 



except in certain places where the chicadees may be found, 

 there are certain occasions where feeding may be adopted with 

 advantage. Not infrequently after the arrival of certain of 

 our earlv migrants in the spring a cold spell and snow occurs. 

 On suchj occasions feeding can be resorted to with great advan- 

 tage. The fact that birds require water is not so generallv 



sK 



8'//----> 



V 



B 



5 3 



4 



- > 



N 





V 



~7 



C 



Fig. 2 



Structural Details of Nesting Box Shown in Fig. 1 B. Lid on Front of Box. 

 C. View of Box from Back. 



realized as one would wish. Especialy is this the case during 

 our hot summer months. One of the most attractive additions 

 which can be made to a garden is a bird's drinking trough or 

 fountain. This should be shallow enough to permit the birds 

 to take a bath. The best type of artificial bird water supply 

 for a garden is a shallow pool, two or three fret in diameter,- and 

 a few inches deep, in which a few reeds and water plants are 



