Index 



487 



Crane, trachea of, 170, 171 



Cranium, see Skull 



Creeper, Brown, protective coloration 

 of, 303, 304; food of, 150; tail of, 

 410, 411 



Crest of, California Partridge, 259; 

 Cock-of-the-Rock, 270; Condor, 271; 

 Crowned Crane, 264, 265; Crowned 

 Pigeon, 260, 261; Banded Curassow, 

 261; Demoiselle Crane, 265, 267; 

 Domestic Cock, 274; Double-crested 

 Pigeon, 270; Eared Pheasant, 268; 

 Harpy Eagle, 262, 264; Hooded 

 Merganser, 263; Hummingbirds, 267; 

 India Peacock, 259; Java Peacock, 

 258; Kingbird, 260; Ruby-crowned 

 Kinglet, 260; King of Saxony Bird 

 of Paradise, 269, 270; Laughing 

 Thrush, 283; Leadbeater Cockatoo, 

 260; Mandarin Duck, 263; Night 

 Heron, 259; Plumed Partridge, 259; 

 Six-shafted Bird of Paradise, 267; 

 Snowy Egret, 260; Umbrella-bird, 

 264, 266; Woodpeckers, 264 



Crests, use of, 258 



Crocodile, brain of, 200; gizzard of, 138; 

 gullet of, 134; heart of, 181 



Crop, 127-134; of Caracara, 134;, capa- 

 city of, in Wood Pigeon, 130; ejection 

 of food-pellets from, 132, 133; of 

 English Sparrow, 129; extreme devel- 

 opment of, in Pigeon, 130; in Hoatzin, 

 130, 131; oil in Petrel's, 131 



Crossbill, bill of, 245, 248, 249 



Cross-fertilization by birds, 144, 145 



Crow, brain of, compared with that of 

 Hesperornis, 6; Fish Crow, stealing 

 eggs of herons, 448, 449; foot of, 

 356; method of feeding on shell-fish, 

 153; pterylosis of nestling, 39 



D 



Darwin, evolutionary theory of, 12 



Decorations, use of, 322 



Deer, nostrils of, 204; spots in young, 

 316, 317, tail of, 413 



Dermis, 21 



Dinosaur, relation to birds, 9; thigh- 

 girdle of, 90; tracks of, 396, 397 



Distribution of birds, 361 



Dogfish, see Shark 



Donkey, foot of, 39, 395 



Dove, colour of eggs, 446; nest of 

 Mourning, 439; position of eyes in, 

 252, 253, 254 



Down, development of, 23; from head 

 of young Bobolink, 26; magnified 

 from young Song Sparrow, 27; 

 models of development of, 24, 25; 



of adult Crested Screamer, 29; 

 Duck Hawk, 27. of 



Duck, colour of eggs of, 447; oddities 

 of diet of, 160-163; eggs of, 447; 

 food of, 147; crest of Mandarin, 

 263; nest of Mallard, 447, 448; 

 position of feet in, 382, 389, 390; 

 Side-wheel, see Steamer Duck; bill 

 of Shoveller, 233, 234; gradual loss 

 of flight in Steamer, 337; tail-feathers 

 of, 400; tail of Blue, 406; tail of 

 Pintail, 415 



E 

 Eagle, Bald, iris of eye of, 256; foot 



of Golden, 374, 376; foot of Harpy, 



375; Golden, 242; Harpy, 262, 264; 



Hyoid of, 114; nictitating membrane 



of, 214; sight of, 208 

 Ear, canals of , 218; in owls, 216 217; 



structure of, 217, 218 

 Eclipse plumage, 48, 49 

 Edible birds' nest, see Swiftlet. 

 Eggs, 



abnormal number laid by African 

 Waxbill, 444; domestic Hen, 444; 

 Flicker, 444 



of ^Epyornis, 461; alligator, 429; 

 Anna Hummingbird, 443; Archae- 

 opteryx, 13; butterflies, 428; Cali- 

 fornia Partridge, 438; Cassowary, 

 436, 453 



character of surface of, in Casso- 

 wary, 460; Cormorant, 460; Duck, 

 460; North and South African 

 Ostriches, 460; Tinamou, 460; 

 Mute and Whooping Swans, 460; 

 Woodpeckers, 460 



of cod, 428 



coloration of eggs, 430; of Casso- 

 wary, 453, 454; causes of, 458, 459; 

 Doves, 446; Ducks, 447: English 

 Cuckoo, 456, 458; Goose, 448; 

 Grouse, 447; Herons, 448; Long- 

 billed Marsh Wren, 446; Murres, 

 456; Nighthawk, 454, 455; Ostrich, 

 453, 454; Owls, 451; Parrots, 

 445; Pelicans, 448; Sea-birds, 

 455; Short-billed Marsh Wren, 446; 

 Skimmer Black, 454, 455, 456, 459; 

 Tern, 454, 456. 457; compared 

 with stilt, 452; variability of, 456, 

 457, 459; Woodpecker, 444 



comparative size of eggs of Hum- 

 mingbird, 461 



of Emeu, devoured by Buzzard, 159; 

 Fowl, 429, 436 



of frog, 428, 465; development of, 465, 

 466, 467; for embryonic study, 462 



of Grebe, 432; Hairy Woodpecker, 445; 



