Organic colour, origin of, 48
Orgyia antiqua, 455
Oriole, Golden, in Malta, 255, 256
Oriolus galbula, 158, 162, 171
Osteolepus, 802
Otaria gillespii, 552
Othonia gracilis, 536
Otis tetrax, 32,—figured, 120
Otocorys alpestris, 64
Ouzel, Ring, haunt of, 403
Ovis musimon, 549; tragelaphus, 549
Owl, Cape Scops, in captivity, 420; Short-eared, nesting of, 121
Owls (Barn, Long-eared, Scops, Shorteared) in Malta, 254
Oxfordshire, notes on the ornithology of, 433
Panurus biarmicus, 115
Papilio cenea, 530; lyæus, 458; machaon, 318
Paroaria cucullata, 275
Parra gallinacea, 467
Parrots, tax on exports from Loango, 287
Partridge, variety, 126
Partridges, black-breasted, 270; Russian, 224
Parus ater, 85, 157, 308; borealis, 60; cæruleus, 85, 157, 162, 313; major, 85, 157, 162, 308; palustris, 85, 157
Passer domesticus, 63, 72, 85, 158, 162; montanus, 158, 162; rufipectus, 422
Pastor roseus, 317
Pearl-button industry of Mississippi River, 480
Pedetes caffer, 45
Pelamid in Cornwall, 421
Pelamya sarda, 421
Penthina gentiana, 531
Perameles nasuta, 413; obesula, 413
Perdix cinerea, 160, 271; daurica, 270; montana, 126
Petasia casinea, 539
Petrels, Storm, in Malta, 255; flying at light, 557
Petrosea goodenovii, 141
Phalacrocorax carbo, 30, 70, 73, 183; graculus, 73, melanoleucus, 409; novæ-hollandiæ, 408
Phalarope, Grey, in Co. Armagh, 477
Phalaropus fulicarius, 477; hyperboreus, 66, 169
Pharnacea serratipes, 290
Phasianus colchicus, 139, 160
Phasma rossia, 290
Phasmidæ, 290-302, 455, 541
Pheropsophus, 468
Philanthus triangulum, 356
Phocœna, 409
Phoenicopterus roseus, 29
Phomacentridæ, 464
Photodilus badius, 317
Phrynosoma, 468
Phyciodes, 460
Phyllium crurifolium, 456
Phyllomorpha paradoxa, 451
Phyllopteryx sp., 540
Phylloscopus bonellii, 154; rufus, 133, 134, 154, 177, 517, 555; sibilatrix, 154; superciliosus, 221; trochilus, 60, 85, 154, 177, 555
Physaliæ, 409, 410
Pica rustica, 64, 159, 162
Picus major, 460
Pieridæ, 444, 445
Pieris brassicæ, 529, 530
Pigments, green, in invertebrates, 430
Pilobolus, 446
Pionus acciptrinus, 317
Pipistrellus noctula, 131, 473; pipistrellus, 473
Pisa armata, 536; tetradon, 536
Platalea leucorodia, 270
Platycercus semitorquatus, 141; zonarius, 371
Plecotus auritus, 471
Plectophanes nivalis, 63
Plotus levaillanti, 461
Plover, Grey, in summer plumage in Yorks, 419
Plovers (Golden and Grey) in Malta, 255
Plumage of certain birds, variations in, 138
Pochard, Paget's, hybrid, 128
Podiceps auritus, 32
Pœcilogale albinucha, 449
Point Cloates, North-west Australia, notes from, 139
Polecats in Wales, 79; in Halifax, 144
Poliaetus leucogaster, 142
Poymitarcys virgo, 348
Polyporus betulinus, 459; fomentarius, 459
Pond-life, microscopical, 281
Porpoise at London Bridge, 96
Pratincola rubetra, 152, 161, 203, 267, 369, 475; rubecula, 133; rubicola, 152, 161, 208
Pratincole in Malta, 255
Primary, first, in passerine birds, 129
Procellaria pelagica, 77, 557
