150 EQUIPPING THE POULTRY HOUSE 
The following points should be considered in the design and 
construction of a trap nest. It should be large and roomy, and 
of considerable depth, so that the egg will not be trampled upon 
while the hen is waiting to be removed. About twelve inches wide, 
eighteen to twenty inches deep, and fourteen inches high is a very 
efficient size. The trap arrangement should be so delicate that 
the bird cannot enter without causing the door to lock automatic- 
ally and keep her from leaving the nest and prevent another hen 
és whi 
ey x, = — 
© Couxyans? 
Fria. 100.—The Cornell trap nest. When entering, the hen steps on the wooden cleat 
which closes the door behind her. A latch at the top holds it closed. The fourth nest shows 
attendant removing the hen. (Courtesy J. E. Rice.) 
from entering. It must be so constructed that only one bird can 
enter the nest at one time. The trap arrangement should be so 
located that it will remain free from obstruction, such as nesting 
material, which would hinder its proper working. Simplicity in 
the manner of trapping is to be desired; the fewer working parts 
the better, as they are less liable to get out of order. Figures 98, 
99, and 100 show some efficient types of trap nests. 
Broody Coops.—Every pen should be provided with an avail- 
able coop for the isolation of broody hens (Fig. 97). A very de- 
