but a short distance may cause the owners to desert it or 

 may leave it exposed to attacks from cats, squirrels or otlier 

 enemies, — therefore do not for any reason remove a nest 

 from its original site. 



I have selected, as far as possible, pictures in series show- 

 ing the various happenings at nests of the different birds. 

 Unfortunately limited space will not permit of showing 

 my large series of sea birds and birds of prey, so I have 

 selected chiefly the more common song and insectivorous 

 birds. 



Every half-tone shown is from a photograph of an au- 

 thentic nest in its original location as chosen by the bird 

 or of living, free, wild birds. The majority of these are 

 of my own making, but to fill in series I have used a few 

 that have been published in American Ornithology. I wish 

 to give credit to the makers of these as follows : 

 G. C. Embody, Fig. 13. 

 C. A. Smith, Fig. 105-6, 83. 

 A. R. Dugmore, Fig. 104, 212. 

 G. E. Moulthrope, Fig. 44-5, 50, 253. 

 J. H. Miller, Fig. 41, 80, 252, 254, 71, 111. 

 J. E. Seebold, Fig. 34-5. 



R. H. Beebe, Fig. 114, 234, 242, 62, 67, 257, 189, 85-6. 

 I. E. Hess, Fig. 248-9, 93. 



E. L. Bickford, Fig. 166. 



J. M. Schreck, Fig. 238, 246-7. 

 A. R. Spaid, Fig. 69, 70, 130. 

 A. J. Meyer, Fig. 199. 

 L. S. Horton, Fig. 97, 8 



F. R. Miller, Fig. 135-6, 48, 51. 

 N. F. Stone, Fig. 17, 53. 



W. F. Smith, Fig. 73, 122. 



A. D. Wheedon, Fig. 250, 112. 



