Instructions for Banding Birds. et 
This trap may be made automatic by using a “ figure-4” instead 
of simpy the one stick. The bait may be put on the tip of the 
horizontal trigger piece, or the trigger may be so constructed as to 
offer an inviting perch (fig. 10). 
CANARY-CAGE TRAP. 
The canary-cage trap is a simple contrivance which, has been one 
of the surprises developed since the inauguration of the bird-band- 
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DEVAL. OF _ PERE 
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Fic. 11.—Canary-cage trap. Simple in construction and admirably suited for use at 
window-feeding shelves. 
ing project. (Fig. 11.) The back is cut out of an ordinary brass- 
wire canary cage; and a door of equivalent size, made from hard- 
ware cloth, is substituted. The door is hinged at the top with 
Wire rings and fitted with a light spring (a rubber band will do) 
to make it close quickly. A wire loop is attached to the middle of 
the door, the tivo ends being fastened on opposite sides of the door, 
in such a way that when the door is open—that is, in horizontal 
position—this loop will project downward and curve in to the en- 
trance to the cage, where it is supported by, and at the same time 
supports, the “ broken perch.” This perch is provided with a “ half- 
lap” joint in the middle, which may be adjusted so delicately that 
