INDEX. 



Otis 7n(xcgiieeni, 232 

 Otis tetrax, 230 

 Otocoris, 166 



Otocoris alpestris, 161, 210 

 Otocoris bilopha, 1 67 

 Otocoris chrysolccnia, 167 

 Otocoris loiigirostris^i 167 

 Otocoris occidentalism 167 

 Otocoris pejiicillata, 167 

 Ouzels, emigrations of, 122, 123, 

 124 



Pacific Ocean, ancient migration 



across, 48 

 Pagophila, 166 

 PagopJiila ebiniiea, 163 

 Palsearctic birds, winter zones of 



east, 191, 192 

 Palaearctic birds, winter zones of 



west, 190, 191 

 Palasarctic migrants, winter quar- 

 ters of, 189, 190 

 Palasarctic region, limits of, 18S 

 Pakearctic species, comparison of, 



winter range of east and west, 



192, 193 

 Palaornis, 121 

 Paradiseid/e, 65 

 Par lis ater britaiiniciis, 133 

 Passer domesticiis, 125, 155, 247 

 Pastor, migration of, 206, 207 

 Pastor roseiis, 106, 117, 206 

 Pastors, irruptions of. 1 1 5 

 Pei'dix ci7ierea, 1 2 5 

 Perisoreiis infaitstt/s, 160 

 Petrels, migrations of various, 147, 



148 

 Phalaropiis fulicarius, 55 

 Phalaropns Iiyperbo^rus, 2 1 5 

 Phegornis, 48, 64 

 Phegornis cancellatiis, 48 

 Phegornis leiicoptei'iis, 48 

 Phegornis mitchelli, 48 

 Phylloscopns bonellii, 184 

 Piiylloscopiis borealis, 118, 184 

 Phylloscopus co?'onatus, 1 84 

 Phylloscopns fiiscatus, 182, 183 

 Phylloscopus nitidus, 1 84 

 Phylloscopus prorcgulus^ 1 84 

 Phylloscopus riifus^ 21, 229, 249 



Phylloscopus superciliosus, 1 80, 2 1 3 



Phylloscopus tristis, 1 84, 211 



Phylloscopus trochilus, 21, 118, 

 151, 183, 191, 208, 211 



Phylloscopus 7>iridanus, 184 



Pica caudata, 22, 160 



Pigeon, the Homing, 25 



Pine Grosbeak, nomadic migra- 

 tions of, 160, 161 



Pi/iicola, 166 



Pinicola cnucleator^ 160 



PiTTiD.*:, 65 



Podiceps minor m 177 



Podiccps 72igricollis, 1 5 2 



PODICIPEDID.E, 190 



Polar birds, migrations of, 45 



Polar breeding-grounds, 142, 143 



Polar climates, warm, 28 



Polar darkness, effects of, on 

 birds, 42. 43 



P?-atincola, 109 



Pratincola niousse?i, 137 



Pratincola ritbetra, 139, 191 



Pratincola rubicola, 2 1 1 



Progne purpurea, 1 84 



Puffin us giiseus, 1 4 7 



Piffinus major, 148 



Piiffinus obscurus, 148, 184 



Punctuality of departure in 

 autumn, 235 



119 

 Reflected light, influence of, on 



migi-ants, 82 

 Regulus calendula, 184 

 Regiilus cristatus, 21, 117, 172, 



244, 247 

 Reports, British Association Mi- 

 gration, 240 

 Researches of Messrs. Harvie- 



Brown and Cordeaux, 239 

 Reversal of migratory impulse in 



old and young, 237 

 Reversal of Polar breeding areas, 



results of, on migration, 144 

 Rhinoceros hemita;c]ius, 33 

 Rhodostethia, 166 

 Rhodostcthia ?'ossi, 55 

 Rhyncho'a capensis, loi 



