42 MANAGEMENT OF PHEASANTS IN PRESERVES. 
which supports it, is removed by any strain on the line or lines attached to it. 
The whole is protected from rain by the piece of bent tin or zinc, E. 
A very good alarm gun of larger size, capable of taking seven or eight 
drams of powder, and making a correspondingly loud report, and manufactured by 
W. E. Wigg, of Barnby Foundry, Beccles, Suffolk, is shown in the accompanying 
block; it is discharged by the action of a strong curved spring, which is held by 
a trigger, that can be acted on by several wires set in different directions. The 
nipple is protected from rain by a metal covering, and the whole is strongly east, 
so as not to be liable to derangement. I have found these guns are cheap, durable, 
and most efficient. It is almost unnecessary to remark that alarm gums of various 
forms can be purchased at any gunmakers. 
The destruction effected in preserves during the nesting season by crows, 
jackdaws, magpies, jays, and other egg-eating birds, is well known, and can only be 
