PLATE IV. 



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Wellesley Bird Box. (Xo Patents.) 

 Plans and Specifications. -~ Of ^2-inch white pine, rough sawed; interior dimensions, 4 by 4 by 7. 



Entrance Guard of Thin Galvanized Iron. — One and one-half inch opening for bluebirds and 



swallows, l}:i inch for smaller birds. Dimensions of Stock: Top, 5 by 6'^ inches; front and 



back each 5 by 7J2 inches; sides, 4 by lli inches; bottom, 4 by 4 inches. The box is put 



together with IJ-i-inch galvanized box nails. The roofing paper and entrance guard are 



fastened with Ja-inch galvanized tacks. 



Tuo-Ply Roofing Paper for Top, 7 by SVi Inches. — Cut at the corners to turn down 1 inch on 



each side. 

 The top of the box is removable, but is held in position by a piece of galvanized No. 16 soft iron 



wire looped over a tack on each side. 

 Two holes about 1 inch apart are bored in the upper part of the box in a downward direction from 



the inside, so that when the cover is off, the box can be nailed to a post or tree with 25i-inch 



galvanized wire nails. 



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