19 



or bag may be suspended from one side near the open front. 

 It may be necessary to attract the birds to it at first by putting 

 out chaff on the ground beneath and suet on some near-by 

 tree. A little observation will teach one how to lure the birds 

 to it, and when they have once learned to come they will prefer 

 it in winter to the unsheltered ground. The seed cannot blow 

 out, snow and rain cannot blow in, and if it is so mounted 

 that cats and squirrels cannot get in, it is as nearly perfect a 

 feeding appliance as can be made. 



Fig. 21. — Food house used in the sanctuary of the Charlestown 

 Bird Club, Charlestown, New Hampshire. Suet is placed in 

 the lower tray to attract the birds until thej' find the upper 

 tray, which is protected from storm. (Photograph by courtesy 

 of Walter M. Buswell.) 



Anti-Squirrel and Anti-Sparroiv Devices. 

 Gray squirrels are so greedy that often they are not satis- 

 fied to take the food as it comes from the hopper, but gnaw away 



