a hand, ole hy 
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on -— 
BIRD-HOUSES AND NESTING BOXES. Fig. 1, hollow-limb nesting-box; 
Fig. 2, birch-bark bird-house; Fig. 3, slab bird-box; Fig. 4, cat-proof box; 
Fig. 5, oid-shingle box; Fig. 6, chestnut-bark nesting-box; Figs. 7 and 9, boxes 
with slide fronts; Fig. 8, house for Tree Swallow. 
From Useful Birds and their Protection by G. H. Forsusu. 
