ILLUSTRATIONS. 



Rubin Family. Cock Robin, who stands at the back, has just brought and delivered a 

 load of wild red cherries. His mate, who was brooding at the moment, did 

 not leave the nest, but hopped to one side, and presently returned to her post, 

 where you see her in the picture. Lens 9^ inch focus ; speed 5- ; stop 32 ; 

 time 1 second; plate, Seeds' Xo. 27 "gilt edge" (which should be under- 

 stood as generally used in this work) ; distance of object 4 feet ; full sun ; 



July 28, 1900 ... Frontispiece 



Adult Cedar-bird .... .... .... Title 



Footprints of Kingfisher when thirty-three days old. Imprint from living bird 



Head of Cock Robin with large katydid and angleworm in bill 



In the hill country of New Hampshire, overlooking Northfield and Tilton, which is 

 screened by the hill in foreground. To the south, on the left, stands Mt. 

 Kearsarge ; toward the northern horizon Ragged Mt. ..... vi 



Automatic sign-language of a young bird, illustrated in a Cedar Wax wing 12 days old 



X 2! vii 



Chipping Sparrow " aiming " at a yellow " target " ........ viii 



Kingbird perched in characteristic manner above its nest in an apple tree . . . xiv 



Head of Red-tailed Hawk with frill erect. Four months old ...... .xix 



FIG. i. Observation tent beside Cedar-bird's nest, which was taken with its branch from 

 pine tree and carried to open field. At this nest the series shown on pages 1 1, 

 57-61 was made ..... ...... 2 



FIG. 2. Tent in bushy pasture, marking position of nest of Chestnut-sided Warblers . 4 

 FIG. 3. Nearer view of same tent and nest, showing brooding bird .... 5 



FIG. 4. Truncated elm, riddled by Woodpeckers, the lower nest-hole recently occupied 



by Bluebirds 6 



FIG. 5. Tent and Bluebird's nest. Compare Figs. 10, 59-65 . .... 7 



FIG. 6. Kingbird's nesting tree, and nesting branch removed and mounted on stakes 

 with tent. The tent-cloth is laid in position at one end of peak, and ready 

 to be drawn over frame. The Kingbird pictures were all made on this spot . 

 Fir,. 7. Female Kingbird astride nest, the later brooding attitude .... 9 

 FIG. S. Kingbird family, the female partly hidden at the back. It was an easy matter 



to focus directly upon the head of the standing or brooding bird . . 9 



FIG. 9. Cedar-bird about to feed young by regurgitation. Photographed at the nest 

 shown in Figs, i, 12, and 13. Zeiss Anastigmat, Ser. ii a, 61- inch; speed \\ 

 distance about 30 inches, in full sun . . . . . . . .11 



