Index 



Orr, 15-7 



Orthogenesis, 15, 16, 34 

 Ossifraga gigantea, 99, 362 

 Otidiphaps insularis, 244 

 Ovis ammon, 120 

 O. vignei, 120 

 Owen, Sir Richard, 7 

 Owl, 247, 277, 289 



little, 97, 98 



scops, 101 



snowy, 190 



Ox, 146, 352 

 Oxygen, 152, 153, 263 



PADDY BIRD, 254 



Paint-root, 357 



Palaornis torquatus^ IO2, 325 



Pallas, 115 



Pansy, 260 



Panther, 360 



Papilio, 228, 246 



P. aristolochicc, 179, 216, 22O, 221 



P. polites, 179 



Paradise, bird of, 62, 249 



Paradise flycatcher, 47, 202, 298, 



303, 316, 324, 338 

 Paradisea apoda, 249 

 Paraguay cattle, 94 

 Parnassius apollo, 155 

 Paroquet, 102, 121, 325 

 Parrot, 103 



Parthenogenesis, 135, 138 

 Partridge, 185, 315, 337 

 Partis leticopterus, 245 

 Passer domesticus^ 289, 342 

 P. montanus, 342 

 P. swainsoni, 342 

 Pasteur, 5 



Pavo nigripennis, 96 

 Pavoncella pugnax, 343 

 Pea, sweet, 74, 75, 81, 141 

 Pear, 72 



Pearson, Karl, 309, 310 

 Peckham, 308 

 Pekin robin, 179 

 Pelagic animals, 173, 192-4 

 Penguin, 191 

 Pennant's parakeet, 121 

 Petaurus breviceps, 243 

 Petrel, 44, 190, 191, 277, 337 

 Pfeffer, 33 



Phalacrocorax carbo, 381 

 Phalanger, 243 



Phalarope, 327 



Phasianidce, 125, 330 



Phasianus colchicus, 114, 123 



P. torquatuS) 114, 123 



P. vtrsicolor, 114, 123, 124 



Pheasant, 97, 104, 114, 121, 123, 

 128-30, 141, 315, 336, 338 



Pictet, 155, 156 



Pieris napi, 155 



Piezorhynckus, 285 



Pig, 57, 283, 357, 365 



Pigeon, 61, 62, 65, 68, 71, 72, 91, 

 92, 93, 98, 101, 109, 126, 127, 

 244, 277, 282, 353, 357, 364, 365 



Pigment, massing of, 256 



Pike, 102, 222 



Pimpernel, 261 



Pintail duck, 130, 132, 293, 337 



Pintailed nonpareil finch, IO2 



"Plant Breeding, "87 



Plasomes, 151 



Plastidules, 151 



Platycercus elegant, 1 21 



P. erythropepluS) 121 



P. eximius, 121 



Pliohippus, 41 



Plover, 207 



Plumage, decorative, 40 



Pochard, 126, 337 



Poecilomeres, 288-95 



Poephila mirabilis, 99 



Polar bear, 119, 130 



Polar bodies, 135 



Polecat, 119 



Polytypic evolution, 367 



Poppy, 82, 261 



Porzana bailloni^ 251 



P. pusilla, 251 



Post-nuptial display, 316 



Potentilla tormentilla^ 263 



Poulton, II, 25, 26, 171, 173, 177, 



l8l, 184, 210, 213, 217, 221, 223- 



5, 229-35, 238-42 



Precis artexia, 203, 204, 212 



Preferential mating among human 

 beings, 309, 310 



Prepotency, 136 



Prickly pear, 274 



Primrose, evening, 84, 85, 88 



Pritchard, Hesketh, 359 



" Proceedings of the Fourth In- 

 ternational Ornithological Con- 

 gress," 288, 337 



397 



