Fig. 10. 

 Fig. II. 

 Fig. 12. 



Fig. 



13- 



Fig. 

 i iG. 

 Fig. 

 Fig. 17. 

 Fig. 18. 



14- 



IS- 

 16. 



Fig. 19. 



Fig. 20. 



Fig. 2 1.- 



Fig. 22.' 



Fi 



g. 23 



Illustrations 



PAGE 



-Female Bluebird with cricket at converted nest-hole of Flicker ... 13 

 -Female Chestnut-sided Warbler standing over young. Compare Fig. 3 . .14 

 -Cedar-bird's nest in pine, 15 feet from the ground. Upstretched neck of the 

 old bird could be seen at a point just beneath the upper arrow-head. Nesting 



bough carried to field beyond, and mounted as shown in Figs, i and 13 . 18 

 -Nesting branch of Cedar-bird set up in field and tent pitched beside it. Com- 

 pare Figs. I and 12 . . . . . . . . . .19 



-C)riole inspecting young. Still timid to a degree ...... 20 



-Oriole inspecting nest. Behavior freer than in last ..... 21 



-Tent in swamp, fronting Redwing Blackbird's nest ..... 22 



-Kingbird feeding young, and balancing herself with uplifted wings . . 23 

 -Male Kingbird serving a Cicada or harvest-fly, which a youngster is striving to 



master. Its efforts were not in vain ........ 23 



-Unequal contest between Kingbirds and a dragon-fiy. This insect was crushed 



and served up piecemeal .......... 25 



-Kingbirds serving a dragon-fly, whose wings and stick-like body are seen pro- 

 truding from the mouth of one of the young ....... 25 



-Male Redwing Blackbird feeding a young one ...... 27 



-Female " bristling " to keep cool, while shielding the young on morning of a 



hot day. July 11, 1900 .......... 27 



-Kingbird out of its nest at age of eighteen days, with power of flight well de- 

 veloped. July 13, 1900 .......... 28 



-Tent, folded for carrying, cameras, and plate-bag — the tools of bird-photography ;^o 



-Brown Thrush entering her nest to brood ....... 33 



-Robin in an April snow. Wade Park, Cleveland, Ohio, April 4, 1900. X 3 



-Head of Cock Robin, life-size X 4-3- ........ 37 



-Head of female Robin, life-size X 4-5-. The slime on her bill is from the 



throat of a young bird ........... 37 



-Female Robin brooding .......... 40 



-Female Robin inspecting nest ......... 41 



-Cock feeding cluster of earthworms ......... 43 



-Cock standing at nest immediately after serving food, and ready for the duty of 



inspection and cleaning .......... 46 



-Female Robin cleaning nest .......... 49 



-Head of brooding female, life-size X 2^- . . , . . . . • 5° 



-Cedar-bird chorus. The young, with wings spread and a-quiver, with open 



mouth and upstretched necks are calling to the silent mother. Life-size X 3 ,S3 



-Cedar-bird family group, the male with full throat and black cherry in bill . 54 



-Cedar-bird approaching nest of young which are nearly ready to fly . . 55 

 -'i'he same bird standing at nest with full gullet, — a little later in day after one 



of the young had left ........... 56 



-The Cedar-bird approaches with closed bill but full throat .... 57 



-After feeding she inspects the young and in this instance appears to be sitting 



with tail resting on the branch, but this is ]irobably not the case • ■ • 57 



-She tosses up her head, and produces a cherry ...... 58 



-She is startled at a strange sound ......... 58 



-She looks curiously at the tent while inspecting nest ..... 59 



