. Department circular. Agriculture. 11 tacked to the bottom and top. The bark will draw apart somewhat at the back in drying, but this aperture may be cov- ered, when the box is put up, by nailing or screwing a short stick or pole over the oi)ening on the back, which stick in turn may be nailed or screwed to the supporting building or pole. To make the roof watertight, a piece of cotton cloth, duck or denim may be put on, tacked down over the edge and painted, or a piece of roofing paper may be used. A more permanent covering may be made by using a piece of tin or zinc, as shown in the figure
. Department circular. Agriculture. 11 tacked to the bottom and top. The bark will draw apart somewhat at the back in drying, but this aperture may be cov- ered, when the box is put up, by nailing or screwing a short stick or pole over the oi)ening on the back, which stick in turn may be nailed or screwed to the supporting building or pole. To make the roof watertight, a piece of cotton cloth, duck or denim may be put on, tacked down over the edge and painted, or a piece of roofing paper may be used. A more permanent covering may be made by using a piece of tin or zinc, as shown in the figure of the chestnut bark box (Fig. 5). To make the expected nest accessible to examination, the top of the bark sides might be fastened to a hoop, and the whole capped by a tin or wooden cover, like that of a lard pail or a berry box. Mr. Winthrop Packard makes a very pretty box of roofing felt. (See Plate II, Fig. 1.) The best support is a slim pole. Conductor Nesting Box. Large wooden conductors, used to carry water down from the eaves of large buildings, may be obtained from some dealers in lumber or moldings, sawed into sections, and utilized precisely as in the case of hollow limbs. Berlepsch Nesting Box. Baron Hans von Berlepsch of Thuringia has invented a device for making nesting boxes similar in shape to the nesting holes of woodpeckers, and he has been wonderfully successfid in attracting all hole-nesting lairds of that region to these boxes. (Fig. 7 and Plate II, Fig. 2.) The theory on which they are built is admirable, but after ten years' trial of them in this country I am convinced that most Massachusetts birds do not prefer them to the hollow limb or even to the rectangular box (Fig. 8) that many people have used with great success. The Berlepsch style of box may. Fig. 7. — Berlepsch box and flicker Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these i
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