xiv ILLUSTRATIONS 



Two Views of a MABTm Colony 22 



Photograph by J. 8. Becker 



Clay Nesting-boxes 22 



Photograph by Robert W. Hegner 



Box WITH Sliding Cover 23 



Wood Duck House 29 



Barrel House for Martins 39 



Designed by E, H. Forbush 



Screech Owl in Nesting-box 40 



Photograph by E. H. Forbush 



Shelf for Phcebe's Nest 64 



Drawn by E. H. Forbush 



Tin or Zinc Cat-guards 62 



Drawn by E. H. Forbush 



Barbed-wire Cat-guard 63 



A Cat-froof Fence 64 



Song Sparrow at Lunch-counter 80 



Downy Woodpecker at Lunch-counter 80 



Chickadee feeding from Hand 80 



Four photographs by Author 



Hermit Thrush at Lunch-counter 80 



A Bird's Tepee, made of Bean-poles with the Vines 



still attached 80 



Photograph by Frank M. Chapman 



