Index 



4 8 9 



Feathers (continued), 



Emeu, 36; of embryo of twelfth- 

 day, 22; moult of, 40-53 

 number of, in tail, of Archaeopteryx, 

 400; of Cormorant, 400; of Duck, 

 400; of Ostrich, 402; of Peafowl, 

 402; of Fantail Pigeon, 402 

 of Ostrich, 35, 336; papillae of nestling, 

 21 ; powder-downs, 37, 38; ptery- 

 losis, 39; sheaths of, 26; sheaths 

 of young Kingfisher, 29; texture of, 

 287-289; function of, in Puff-back 

 Shrike, 287; of wing, 320-352; 

 worn-out Hummingbird's breast, 44 



Feather-ears, of owl, 267, 268 



Feather-tips, in Bobolink, 297; in 

 Black Lark, 295, 297; in Snow- 

 flake, 297; in English Sparrow, 52, 

 53; wearing off of, 52, 53, 297 



Feeding, method of, in Flamingo, 128; 

 in Woodcock, 222 



Feet, adaptation of, 361, 362; classifi- 

 cation based on, 354, 355; evolu- 

 tion of, 353, 358, 361 



Femur, 98 



Fibula, 98 



Fighting, method of, in Ruff, 277, 279, 

 280 



Finch, 143; bill of Purple, 249; colour 

 change in Purple, 293 



Fins, origin of paired, 96 



Fish, used as food, 153; heart of, 181; 

 muscle-flakes of, 78 



Fishing, method of, in Cormorants, 154; 

 Frigate-birds, 154; Herons, 156; 

 Kingfishers, 154; Ospreys, 154; Peli- 

 cans, 152; Penguins, 154; Snake- 

 birds, 154; Terns, 154 



Flamingo, bill of, 128, 234, 235; colour 

 change in, 293; foot of, 388; neck of, 

 73, 281; sternum of, 80; tongue of, 

 126, 127; trachea of, 168, 169 



Flicker, abnormal number of eggs laid 

 by, 444; hyoid of, 123, 124; protec- 

 tive colouring in young, 302, 303, 304; 

 tongue of, 123, 124 



Flight, cf. with swimming, 327; Condor, 

 324, 326; Steamer Duck, 337; cer- 

 tain Flycatchers, 324, 326; Gold- 

 finches, 329; Grebes, 341; Gulls, 328; 

 Hummingbirds, 329; Owl Parrot, 333; 

 Pheasant, 323, 324; Crested Screamer, 

 329; Sparrows, 328; swiftness of, in 

 Pigeon, 350; swiftness of, in Swallow, 

 352; of Tinamou, 333-336; of Wood- 

 peckers, 329; of Vultures, 328, 330, 

 33i, 332 



Flipper, of Penguin, 341, 342, 343 



Flycatcher, feet of, 360; flight of, 324, 

 326; tail of Least, 412 



Food, affecting structure, 164; indu- 

 cing intoxication, 163; of Apteryx, 

 147; Buzzard, 159; Courlan, 153; 

 Creepers, 150, Crows, 153; Ducks, 

 147, 153; Bald Eagle, 148; Gulls, 

 161; Carrion Hawk, 162; Duck 

 Hawk, 159; New Zealand King- 

 fisher, 161; Locust-birds, 150-152; 

 Osprey, 155; Barn Owl, 158; Bur- 

 rowing Owl, 162; Elf Owl, 158; 

 Strenuous Owl, 158; Oyster-catcher, 

 153; Kea Parrot, 161; Penguins, 

 153; Ptarmigan, 144; Raven, 158; 

 Road-runner, 157; Sea-birds, 148; 

 Sea-eagles, 157; Secretary-bird, 157; 

 Red-winged Starlings, 162, 163; 

 Storks, 157; Sugar-birds, 144; Sul- 

 phur Tyrant, 161 ; whales, 148 



Food-pellets of Owl, 132, 133 



Foot, claws of, 368; tendons of, 191, 

 192; of alligator, 354; Archseop- 

 teryx, 353; bear, 102; of bird cf. with 

 man, 99, 100; Caracara, 378; Casso- 

 wary, 394, 396; Chewink, 367; Chuck- 

 will's- widow, 369; Cockatoo, 371; 

 Coot, 387; Crow, 356; Cuckoo, 372; 

 Donkey, 394, 395; Duck, 382, 389, 

 390; Golden Eagle, 374, 376; Harpy 

 Eagle, 375; Flam i go, 388; Fly- 

 catchers, 360; Gallinule 385, 386, 

 387; Grebe, 391; Ruffed Grouse, 380^ 

 381; Rough-legged Hawk, 389; Heron ,. 

 387,388; Hummingbirds, 368; Wood 

 Ibis, 102, 385; Kangaroo, 394, 395; 

 Horned Lark, 367; European House 

 Martin, 381: Nuthatch, 359; Oriole, 

 360; Osprey, 375; Ostrich, 394, 395, 

 396; Burrowing Owl, 373; Snowy 

 Owl, 375; Owls, 373, 374; Parrots, 372; 

 Passeres, 358, 359; Peacock, 383; 

 Brown Pelican, 355; Penguin, 391, 

 392; Pheasant, 380; Phalarope, 384; 

 Pipit, 367, 368; Plover, 384; Ptar- 

 migan, 381; Quail, 380; Raven, 356; 

 Rhinoceros-bird, 357; Road-runner, 

 373; Rock-jumper, 393; Sand-grouse, 

 383; Semipalmated Sandpiper, 384; 

 Secretary-bird, 378, 379; Snakebird, 

 391; Swallow, 360; Black-necked 

 Swan, 390; Swift, 368, 369; Vulture, 

 377; Woodpeckers, 370 



Fowl, egg of, 429, 430; Japanese Long- 

 tailed, 417, 419; number of eggs laid 

 by Jungle, 444; spurs of, 382; tail of 

 Jungle, 418 



Fox, aggressive coloration in Arctic, 

 309 



Framework, 62-102 



Frigate-bird, method of feeding of, 154 



Frog, egg of, 428; fresh egg of, 462; 



