Can IND OF HOUSE TO BUILD ‘27 
to use one-inch mesh netting, so that sparrows will be 
kept out, as these birds often steal much more grain 
than they are entitled to, for any good they do. A 
house of this type, in use at the Perdue University 
Agricultural Experiment Station, Lafayette, Ind., is 
illustrated. The bottom of the window is low 
enough so that there is direct sunlight on the floor 
of the house early in the morning during the win- 
ter months and the opening is made high enough 
from the floor so that the wind will not blow di- 
rectly on the birds. In a house of this character 
almost every interior part is reached by sunshine 
at some time in the day. 
In these fresh-air houses the muslin curtains are 
not to be used except when the mercury is unusually 
low or when the rain is being driven in. Their only 
disadvantage is the fact that they collect a great 
deal of dust and need to be cleaned frequently, so 
that light may penetrate them. It is a good plan 
to have them on pin hinges, so that in Summer they 
may be taken down by drawing the pins, and put 
away until cold weather comes again. 
It is a common practice in very cold climates to 
have a second set of curtains in front of the perches, 
to be dropped when necessary. Such curtains should 
