. The Canadian field-naturalist. 318 The Canadian Field-Naturalist Vol. 88. Figure I. Oblique view of the interior of a completed live-trap when trap is set. 2). The top of the wall is rolled over for strength and the bottom is flanged. The flanges on the exterior walls are spot-welded to the bottom of the floor, and those on the interior walls to the top of the floor. The edges of the lid are also rolled over for strength. It is not recommended that holes be predrilled in the sidewall for door, flaps, and trea- dle until after a number of traps have been com- pletely assembled. The approximat
. The Canadian field-naturalist. 318 The Canadian Field-Naturalist Vol. 88. Figure I. Oblique view of the interior of a completed live-trap when trap is set. 2). The top of the wall is rolled over for strength and the bottom is flanged. The flanges on the exterior walls are spot-welded to the bottom of the floor, and those on the interior walls to the top of the floor. The edges of the lid are also rolled over for strength. It is not recommended that holes be predrilled in the sidewall for door, flaps, and trea- dle until after a number of traps have been com- pletely assembled. The approximate location of the holes is shown in Figures 2 and 3. The door and the two locking flaps are all hinged at the top with 10-penny nails. To install door and flaps, hinges must first be fashioned on one end. With the aid of a vise, the end of the door or flap is rolled around a rod of a diameter slightly larger than a 10-penny nail. After the door and flaps are cut to proper length, they can be hung on nails inserted with their heads toward the trap center. The pointed end of the nail can then be flanged to prevent removal by clamping in a vise. (The nail should be cut to proper length and rough edges taken off with a grinder.) Door A should be hung in the position shown (Figure 3) and cut long enough to extend beyond the interior wall and rest on the wire that will be soldered to the treadle. Flap B should be hung ^/4 inch from the top of the trap to prevent escapes between the hinge and lid. (This will require notch- ing the lid to accommodate the nail for Flap B and ensure a tight fit. Notching should be done uni-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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