Index. 141 



Cedar-bird. Cedar Waxwing Continued 



and incubating, and hatching of eggs in, 58, 59; young of, at birth, 59; 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 color 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, 61; the feeding, food, and care of young of, 55, 61, 101; similarity in sexes of, 61, 

 62; peculiar signals of, at nest, 62, 102; habit of sipping maple sap in, 62; flocking of, in Au- 

 gust, 62 ; 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, 98; gluttony of, 102; inspection and cleaning 

 the nest by, 104, 105-107; eating excreta of young by, 105, 106; parasites in nest of, 107; 

 habits of, during incubation, 134. 



Central Park, Chickadees in, 127. 



Chapman, F. M., 127. 



Charles Island, tameness 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, 119; behavior of, when Hawk passes overhead, 120. 



Chickadee (Parus atricapillus, Linn.), cleanliness of, 104; attracted by Robin's alarm, 122, 123; habits 

 and tameness 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 (see Instincts) . 



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, 86, 91. 



Courtship in Bluebird, 71, 72. 



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

 sence of fear in , 122. 



Creeper, Brown (Certhia familians americana, Bonap.}, shyness of, 128, 129. 



Crossbills, American (Loxia curvirostra minor, Brehm.), effect of alarm of Crow upon, 122. 



Crow, effect of alarms of, upon other birds, 122. 



Cuckoo, appearance of feather-shafts in, 6. 



Cycle, the reproductive, in birds, 3. 



D. 



Darwin, Charles, 136, 137. 



Dorchester (N. H.) , nesting of Swift in shed at, 1 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 (Anas obscura, Gmel.) , absence of fear in newly hatched young of, 1 19 ; nesting of, 119, 120; 

 behavior of old and young of, when latter are possessed of fear, 120. 



E. 



Eagle, behavior of, when nesting, compared with that of Night Hawk, 80; 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^eyed Vireo, 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 young 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, 80; 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. 



