Index. 



Cedar-bird Cellar Waxwing (~ t nitiin/:\l 



ami incubating, and hatching of eggs in. 58, i<>: young of, at birth,. 50: age of young of, when 

 eyes open, 59; disappearance of young in nest of, 59; behavior of, in approaching nest with 

 food, 60; development of eolor marks in fledglings of, 60, 61; appearance of feather-shafts 

 and wax-like tips in wings of, 60; habits of young of, when ready to fly, 60; rate of feeding of 

 young in, in ; the feeding, food, and eare of young of. 55, 61, 101; similarity in sexes of, 61, 

 iu : peculiar signals of, at nest, 62, 102; habit of sipping maple sap in, (12, Hocking of. in Au- 

 guM,f)2; and the black cherry tree, 62; eating spiders or robbing them of their prey, 63 ; taking 

 insects on the wing, 62, 63; gaping habit in, ijS; gluttony of, 102; inspection and cleaning 

 the nest by. 104, 105-107; eating excreta of young by, 105, io<>; parasites in nest of, 107; 

 habits of, during incubation, 134. 



Central Park, Chickadees in, 127. 



Chapman. F. M . 127. 



Charles Island, lameness of birds of, 136. 



Chatterer, the origin of name as applied to the Waxwings, 52. 



Cherry Bird (see Cedar-bird). 



Chick, domestic, instinct of fear in, ii<>; behavior of. when Hawk passes overhead, 120. 



Chickadee (l\n 'tis titrica pilliis, Linn.) . cleanliness of, 104; ultracte.1 by Robin's alarm, 122. 12;; habits 

 and lameness of. 127. 128; during incubation, 134. 



Cicada, eaten by young of Cedar-bird, 61: struggles of Kingbirds with, 103; combat of, with House 

 Sparrow. 103. 



City life, possible origin of, in many birds, 50. 



Clamp, the "Graphic" ball and socket, 34. 



Cleaning instinct, 103-110 (sec Instinetsi. 



Cleveland (O.), spring arrival of Robins and Bluebirds at, 49; Robins in, 50; Red-headed Woodpeckers 

 in, 50. 



Color, discrimination of, in Cedar-bird, 58; development of, in Kingfisher, Sf>, gi. 



Courtship in Bluebird. 71. 72. 



Cowbird, early experiments of, in animal psychology, xvi; young of, in Warbler's nest, 121, 122; ab- 

 sence < if fear in, i 22. 



Creeper, Brown (Certhiafamiliarisamericana, Bonap.) , shyness of, 128, 129. 



Crossbills, American (Lo.via tiin-iroslra iniiii'r, Ijrclun.), effect of alarm of Crow upon, 122. 



Cn iw, effect of alarms of, upon other birds, i 22. 



Cuckoo, appearance of feather-shafts in, 6. 



Cycle, the reproductive, in birds, 3. 



D. 



Darwin, Charles. 136, 137. 



Dorchester (X. II.), nesting of Swift in shed at, i 14. 

 Dorset (O.) , nesting of Swift in barn at, 114. 



Dragon-fly, capture and killing of, by Kingbirds, 28, 103; as food of young Catbirds, 77-79. 

 Duck, Black (.-1 nas obscura, Giticl.) , absence of fear in newly hatched young > if. i i n '. nesting of, 119, 1 20 ; 

 behavior of old and young of. when latter are possessed of fear, i 20. 



E. 



Eagle, behavior of, when nesting, compared with that of Night Hawk. So: improvised nest of, 134. 



Earthworms, fed to young Robin, 46, 47. 



Economy of food, in Robin, 39; in the Kingbird, 28, 102; in the Red-eve. 1 Yireo, 68. 



Eggs, of Kingbird, 21; birds strongly attached to, 13; incubation of, in Robin, 36; lateness of laying 

 of, in Cedar-bird and American Goldfinch, 52; proportion of y r oung reared to number of, in 

 Cedar-bird, 53; laying and incubation of, in Cedar-bird, 58; destruction of, in Red-eyed Vireos, 

 69; hatching of, in Night Hawk, So; relation of size of, to condition of young at birth, 117; 

 of Canada. Goose hatched under hen, 130; behavior of Chestnut-sided Warblers, with, 131; 

 behavior of birds when incubating, 134. 



