168 



COMMERCIAL POULTRY RAISING 



liyi inches wide at the top and 1 1 inches wide at the bottom, and 

 being narrower at the bottom, as it swings shut it has no tendency 



Section through nest 



Dimensions of door. 



Detail of trigger. 

 Fig. 117. — General arrangement of the Storrs' trap nest. 



to rub or bind against the sides of the nest box. It is bound with 

 a thin piece of metal, galvjanized sheet iron strips cut from stove 



