Index. 147 



Taming birds without a cage, 125-137. 



Taming process, conditions and analysis of, 126, 127; use of tent in, 130; Robins and Chestnut-sided 

 Warblers as exponents of, 130-133; Phoebe as illustration of, 133, 134. 



Tarsus, use of, in Kingfisher, 89. 



Tent, as an observatory, 2, 15, 16; time required for birds to become accustomed to, 5, n; window of, 

 5 , 31; the time to use, 7 ; precautions in use of, 8 ; experiments in use of, tabulated, 1 2 ; the 

 future of, as an observatory for the study of birds, 13; protection afforded by, 15; advantages 

 of position of, 15; before Cedar-bird's nest, 17, 55, 57, 59; as an observatory for the birds, 12, 

 21, 45, 58; before nest of Redwing Blackbird, 20; before nest of Oriole, 19; construction of ? 

 29; convenience of, 30; instructions for use of, 31; before nest of Red-eyed Vireo, 64; before 

 nest-hole of Bluebird, 72; beside nest of Catbird, 76, 77; before young of Night Hawk, 81; 

 before tunnel of Kingfisher, 89, 90; use of, in taming birds, 130; before nest of Chestnut-sided 

 Warbler, 132, 133. 



Tent-cloth, material and color of, 29. 



Tent-frame, dimensions and construction of, 29. 



Tent-pins, form and use of, 29, 31. 



Tent- window, position of, 31. 



Throat, response of, in young birds, 55; color of, in young Robin, 39; as target for the parent, 49: in 

 young Cedar-bird, 56; inflation of, in Red-eyed Vireo, 66; in Chestnut-sided Warbler, 97. 



Thrush, Brown (Harporhynchus rufus, Linn.), camping beside nest of, 94; brooding of young in, 94; 

 eating excreta of young by, 105 ; attracted by alarm of Robin, 122 ; Wilson's or Veery (Turdus 

 fuscescens, Steph.) , young of, 12; premature development of fear in young of , 121. 



Thrushes, cleaning instinct of, 104. 



Trees, keeping fresh leaves of cut branches of, 15; mutilation of , 15. 



Tripod, best form of, 34. 



Tropic Bird, pugnacity of, during incubation, 134. 



V. 



Venice, "doves" or pigeons of, 125. 



Vireo, Red-eyed (Vireo olivaceus, Linn.}, coming to tent, 5; nest and yoxing of, 64; call-notes of, 65: be- 

 havior of nestlings of, 64, 65, 67, 68; digestion and assimilation in young of, 66; feeding the 

 young in, 65-68; inspection and cleaning the young in, 65, 67, 68; sleekness and neatness of, 

 67; preying instinct, in young of, 67; young of, aroused by notes of other birds, 68; capture 

 of prey by, 68; indifference of, to customary sounds, 68; signs of emotion in, 68; suppression 

 of fear in, 68; appearance of sense of fear in young of, 69; rate of feeding at nest of, 69; old 

 nest of, utilized by Yellow Warblers, 69; old nest of, used by deer-mouse, 69, 70; flight from 

 nest of, 69; rescue of young of, from snake, 69; destruction of nest of, 69; fragility of old 

 nests of, 69; carelessness in construction of nest in, 69; eating of excreta of young by, 105; 

 cleanliness of nesting site in, 108; habit of approaching the nest in, in, 112; attracted by 

 alarm of Robin, 122, 123. 



W. 



Walking, instinct of, in vertebrates, 89; habit of, in young of Kin gfisher, 89. 



Warbler, Yellow (Dendroica cestiva, Gmel.}, using nest of Red-eyed Vireo, 69; Chestnut-sided (Den- 



droica pennsylvanica, Linn.) , excreta of young of, eaten by, 105, 109 ; nesting habits of, 13 1-133 ; 



taming of, 132-133; photographing, without tent, 133; attracted by alarm of Robin, 122; 



development of fear in young of, 118; Magnolia (Dendroica maculosa, Gmel.}, as foster parent 



to Cowbird, 121, 122; fate of rightful young of, 122; Maryland Yellow Throat, attracted by 



alarm of Robin, 123. 



Waxwing, origin of name of, 52 ; Bohemian, habits and record of, 136 (see Cedar-bird). 

 Wildness, of birds, origin of, 125, 126, 137. 

 Woodpecker, use of old nest-hole of, by Bluebird, 72; cleanliness of nest in, 104; Downy and Hairy, 



tameness of, in winter, 128, 129; eggs and young of, 117; habits of, during incubation, 134. 



