Xll 



Illustrations 



Fig. 87.— 



Fig. 88.- 



Fig. 89. 



Fig. 90. 



Fig. 91. 



Fig. 92. 



Fig. 97. 



Posed in line, biting and pulling ... . . . . . 



Posed in row to illustrate habit of sitting still . , . . . . 



King-row at a later stage — birds thirteen days old ...... 



■Kingfisher at nine days, showing feather tubes and tracts . . . . 



At thirteen days. The wing-quills show one half inch of the blue-black, white- 

 tipped feather-shafts ........... 



Kingfisher at fifteen days. Nearly all feathers partly unsheathed 



Kingfishers eighteen days old. The bright blue of the upper parts and the 



white and chestnut bands across the breast are now very prominent 

 Kingfishers twenty-two days old. To illustrate how they break ranks and walk 

 backwards, when placed in line. The second on the left has already taken a 

 few backward steps ........... 



-Female Brown Thrush brooding. Lens 91^- inch ; speed -j ; stop 32; time -J- sec- 

 ond; distance 4 feet in full sun. July 13, 1900 ..... 



-Female Robin brooding. x\ttitude of keen attention .... 



-Female Redwing Blackbird feeding a young bird ..... 



-The same bird awaiting the reflex response of the throat and gullet of )'Oung 



If not forthcoming, the food is withdrawn, and another is tested . 

 -Female Kingbird standing over young with drooping wings to ward off the sun 



Typical brooding attitude during last days of life at nest ... 



—Kingbirds rending an unruly grasshopper ...... 



—Helping a grampus down the throat of a Kingbird ..... 



-The male grampus, Corydalus cornutiis. Full size, from life 

 —Female Chestnut-sided Warbler bristling to keep cool while brooding on a ho 

 June day ............ 



—The same bird in the more common attitude of brooding during the early life o: 



the young. Lens Zeiss .A-uastigmat, Ser. ii a; 61- inch; speed 



time \ second; distance 3 feet in full sun. June 23, 1900 



—Male Chestnut-sided Warbler brings food for his little children. His mate, who 



is brooding, receives it into her own bill, but does not taste a particle herself 

 -Female Chestnut-sided Warbler brooding with throat puffed out and head 

 feathers erect ........... 



— Female Brown Thrush placing food well down in the throat. Point of bill is 

 on level with external ear of young .... 



— The same bird cleaning the nest ..... 



— Cedar-bird taking sac from cloaca of young ... 

 — Female Kingbird cleaning the nest .... 

 — Baltimore Oriole feeding its young .... 

 — The same bird in another attitude ..... 

 of Kingfishers ......... 



— Male Redwing Blackbird inspecting nest 

 — The same bird engaged in the same occupation. To illustrate the formation 



of habits in the daily routine ..... 



— Cock with a large grasshopper ..... 



— Cock " taking aim " . 



— Cock ready to inspect the nest ..... 

 — Female Robin insjjecting the nest in a typical attitude 



I; stop 32 



89 



9° 

 90 



91 



91 



92 



92 



93 



95 

 97 

 98 



99 

 99 



lOI 



lot 



I 03 



104 



105 

 106 

 107 

 108 

 109 

 1 10 

 1 12 



112 

 i'3 

 "3 

 114 

 114 



