. >s^'.y ih V^^=^=--- -^^r^y^- ^.:.T-^ ;:>c â ;7T^ ⢠v^^'ro:^^;^ WL Fig. 5.âVertical longitudinal section of barrel den. escape when the cover is raised. A sheet of burlap tacked to one side of the screen-door frame and spread over the netting when the covers are raised for ventila- tion will keep out air currents and light. At the entrance hole is an elbow spout, 2| feet in the shorter arm and 6 feet in the longer. The large den shown in figures 7 to 9 has advantages not found in barrel dens. It has double walls, the interspaces being lined with building paper and filled with saw- dust


. >s^'.y ih V^^=^=--- -^^r^y^- ^.:.T-^ ;:>c â ;7T^ ⢠v^^'ro:^^;^ WL Fig. 5.âVertical longitudinal section of barrel den. escape when the cover is raised. A sheet of burlap tacked to one side of the screen-door frame and spread over the netting when the covers are raised for ventila- tion will keep out air currents and light. At the entrance hole is an elbow spout, 2| feet in the shorter arm and 6 feet in the longer. The large den shown in figures 7 to 9 has advantages not found in barrel dens. It has double walls, the interspaces being lined with building paper and filled with saw- dust. The exterior may be battened, shingled, or covered with tarred paper. It is large enough to give the foxes loung-


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Keywords: ., bookauthordearbornned1865, bookcentury1900, bookdecade1910, books