DESCRIPTION OF STORRS' NEST 169 



pipes or other similar material will answer the purpose nicely, 

 which project above the top for about an inch, or far enough to 

 permit of punching a small hole in each end of the strip, through 

 which a piece of fairly rigid wire is slipped, forming a hinge upon 

 which the door swings. 



The trigger is a trifle more difficult to make than the door, for 

 it is small and must be accurately cut as shown in the diagram, 



{Courtesy Purdue Experiment Station) 



Fig. Ii8. — Corner of a well-designed laying house. Trap nests are arranged 

 under dropping-boards. Note broody hen coop at extreme end. 



or it will not balance properly. This is an easy matter with a 

 jig saw or band saw. It should be made from ^" or i" close- 

 grained stock, the harder the wood the better. The hole bored 

 for the screw that is to fasten the trigger to the side of the box 

 should be slightly larger than the screw itself, to secure free action. 

 To set the nest, the front end of the trigger is slightly depressed 

 and the door pushed inward until it engages the notch in the 



