Index. 143 



H. 



Habit, definition of, as distinguislied from habi'ls in tlic popular sense, xvii; the formation of, 3, 4, 5, 

 III, 116; of Cedar-bird in alighting on tent, 62; of sipping maple sap, in Cedar-bird, <i2-, in 

 manner of approach to nest in Red-eyed Vireo, 111-112; of walkmg backward and sitting 

 still in young Kmgfishers explained, 89; of entering and leaving tunnel, in Kingfisher, 90, 91; 

 of Kingfisher to prevent escape of prey, 92; of eating excreta, how aequireii in a hungry bird, 

 109, no; illustration of, in nest-eleaning, 112; change of food, in Rhinoceros-bird, 116; force 

 and variation of, in nesting of Osprey, 115, 116; plasticity of, in reference to food, 1 16; of fear, 

 of special objects, 121. 



Hawk, the Fish {see Osprev) ; Hen, the eltcct of, in sk_\- ujjon chick in dooryard, 120. 



Hawks feeding on locusts, 116. 



Hellgamite, larv;c of grampus, 103, 



Hinde, Captain, 116. 



Holderness (N. H.), spring arrival of Bluebirds at, 71; habits of Pine Grosbeaks in winter and spring 

 at, 135. 



Hunnning-bird, eggs and young of, 117, 



Hunger in relation to fear, 126-128. 



I. 



Incubation, in Kingbird, 21; in Robin, 36; in Cedar-liird, 58; of Eagle in captivity, 134; behavior of 

 birds during, 134. 



Insects, struggles of, when brought to nest, 102, 103. 



Inspection of j'oung and nest, the importance, regularity, and significance of, 104-106. (.Sec also under 

 names of species.) 



Instincts, defined in broad and narrow sense, xvi: illustration of. in the Robin, x\d; subjstitution of, by 

 habits, xvii, 4; the great number of, x\-i; determining cause of, xvi; the parental, analysis of, 

 3; culmination of, 4; strength of, how increased, 3, 4; suppression of, 3; periodic and serial 

 nature of, 3; the fighting, 3, 4 (see Pugnacit)') ; parental, relative strength of, in birds, 5, 13; 

 in Orioles, 19; in Kingbirds, 22; in Redwing Blackbirds, 20, 21; in Robins, 39, 45; in Cedar- 

 birds, 17, 18, 55, 57, 59; in Red-e}'ed Virco, 64, 65; in Bluebirds, 72-75; in Night Hawks, 80, 

 82,85; in Kingfishers, 86, 90, 91 ; use of j^arental, in taming birds, 130-133; instinctive reactions 

 of young of Cedar-birds, 55; of fear, suppression of, in Red-eyerl Vireos, 68; appear- 

 ance of, in young Red-eyed Vireos, 68; of fear, suppression of, m Bluebirds. 72. 73; walk- 

 ing, in A-ertebrates, 89; of inspection of young and nest. 103-106: cleaning or sanitar\-, in birds, 

 103-110; dearth of observations upon cleaning, 104; of cleaning nesting site, 107-110; prey- 

 ing, in young Red-eyed Vireos, 67; of preening in young, 65; of Chimnev Swift in nest-build- 

 ing, 113; of fear in old and j'oung. 117-124; of fear m domestic chick, no; of Canada Goose 

 modified in captivity, 129, 130; of " feigning" in Chestnut-sided Warbler, 131, 132. 



Intelligence, human, the roots of, xv, xvi; the sign of, xvii. 



Jay, Canada, Moosebird (Perisoretis canadensis, Linn.), tameness and habits of, 129. 

 Jefterson (O.), winter birds at, 128. 



K. 



Kearton, the brothers, blinds designed by, 30. 



Kingbird (Tyranniis lyrannns, Linn.), the time spent by young of, in nest after change of site, i:;; the 

 breeding of , 21; displacement of the nesting bough of, 22; fighting instinct of. 22; suppression 

 of fear m, 22, 23; rate of feeding young of, 22, 27; foster children of, 27; crushing prey by, 

 28; the rejection of indigestible parts of food by, 28; flight from nest of, 28; brooding in, 94, 

 97; econom)' of food in, 102; escape of-jirey from bill of, 102, 103; exciting scenes at nest of, 

 103; feeding of large insects to young of, 103; eating excreta of young of, 105; attracted by 

 alarms of other birds, 123; perching on fishing-rod, 125. 



