INDEX 



411 



Nightingale, 306, 353, 369 

 Nostrils, 130 

 Noto-chord, 2S0 

 Nucleated corpuscles, 74, 77 



(Esophagus, 62, 63, 



Oil gland, 384 



Olfactory lobes, 119 



Optic lobes, 119 



Ornithology, 394 



Ornithorhyncus. ^^, 41, 48 



Ornithosaurians, 42-47 



Ornitho-scelidre, see Dinosaurs 



Osmosis, 64 



Ostrich, 25, 34, 37, 107, 114, 164, 



311, 385, 391 

 Owl, 62, 127, 135, 324 

 Oxidation, 93 



Tainted snipe, 290, 311 

 Pallas's sandgrouse, 376 

 Pancreas, 66 



Parallelogram of forces, 181 

 Parrot, 128, 146, 163, 197 

 Passerine birds (Passeriformes), 49, 



385 

 Peacock, 312 

 Pecten, 127 

 Penguin, 145, 171 

 Peptone, 64 

 Perching, 166 

 Physiology, 109 

 Pigeon, 54, 152, 157, 248, 253, 



296, 322, 373 

 Pineal Body, 119 

 Piracy, 341 



Platypus, see Ornithorhyncus 

 Plover, American golden, 357 

 Population, Bird, 294, 365 

 Postaxial, 6 

 Praeaxial, 6 

 Pronation, 195 

 Proventriculus, 64 

 Ptarmigan, 158 

 Pterodactyls, 42-47, 50 

 Puffin, 86, 215 

 Pylorus-magen, 66 

 Python, incubating, 48 



Ratit.t:. 3S3, 391 

 Reason, 327 



Reflex action, 117, 327 

 Reptiles, 74 

 Respiration, 78-96 

 Retina, 124, 126 

 Rhea, 34, 107, 342, 392 

 Robin, 365 

 Rudiments, 30 

 Ruffs, 310 



Saliva, 61 

 Scales, 34 



Sclerotic, 124 



Screamer, 83, 161, 306, 381 



Selection, natural, 53—59 



Sexual, 310-314 

 Sight [see Eye), 130 

 Skeletons of bird and lizard, 6-2S 

 Skin, 99-101 

 Skua, in, 341 

 Smell, sense of, 119, 130 

 Snake, 22, 23 



Snipe, 168, 309, 366, 372, 3S4 

 Song [see Syrinx), 305, 317. 396 

 Spinal cord, 116 

 Spine of vertebra, 7, 8, 23 

 Spleen, 77, 109 

 Spurs, 154, 161 

 Stomach, 64 

 Stroke, phases of, 218 



Rate of, 214 



Short, 226 



Upstroke, 217 

 Struthious birds (= the ostrich and 



its kin), see Ratitre, Ostrich, &c. 

 Supination, 195 

 Swallow, 155, 24S, 269, 334, 348, 



364, 365, 3S5 

 Swan, 25 

 Sweat-glands, IOO 

 Swift, 107, 155, 165, 225, 24S 3S5 

 Swim-bladder, 31, 97 

 Swimming, 170 

 Syrinx, 78, 136-141 



Tail, 213, 24S 

 Teeth, 35, 39 

 Temperature, 48 



regulation of, 9S-105 

 Tendons, 141-143, 166 

 Trachea, 78, 140 

 Trajectory of bird, 223 



