INDEX. 



531 



Pectoral arch, of horse, 821 ; of bird, 



371 

 Pediculidfe, 278 

 Pecfomyia hetce, 242 

 Pelvic arch, of horse, 324 ; of bird, 372 

 Penis, of horse, 337 ; of pig, 470 ; of 



ram, 480 ; of bull, 482 

 Pentastomidffi, 186 

 Penthina pruniana, 211 

 Perching-birds, 414 

 Perdix cinerea, 393 

 Peregrine Falcon, 382 

 Pericardium, 341 

 Periplaneta avieritana, 99, 282 

 Perissodactyla, 464 

 Peritoneum, 332 

 Peritricha, 30 

 Perlidas, 284 

 Phcedon hetulce, 152 

 Phalangers, 463 

 Phalaropes, 402 

 Phasianidae, 898 

 Phasianiis cokhiciis, 394 

 M torqiiatus, 394 



Pheasant, the, 394 

 Phorbia cepetoruin, 239 



. M brassicce, 240 

 Phorodon humuli, 265 

 Phryganeidffi, 284, 287 

 Phthirius capitis, 279 

 ri inguinalis, 279 



II vestimenti, 279 

 Phyllopertha horticola, 164 

 Phylloireta Tiemoncm, 148 

 Phytoptidse, 134 

 Phytoptus amllance, 134 

 II pyri, 135 

 II ribis, 134 



II taxi, 134 



Pia-mater, 345 

 Pica caudata, 417 

 Pici, 412 

 Picus major, 412 

 II minor, 412 

 Pieridse, 193 

 Pieris brassicce, 194 

 II nafi, 195 

 II rapm, 195 

 Pigeons, 405 ; origin of domestic, 407 

 Pigs, 470 

 Pine Sawfly, 191 

 „ Weevil, 159 

 Pinnigrade foot, 484 

 Pinnipedia, 483 

 Piophila apii, 251 

 Pipistrelle, the, 502 

 Pipits, the, 424 

 Piroplasma bicfcmina, 27 



Pvroplasma canis, 28 

 II equi, 28 



II parvum, 28 



Piro]}lasmce, 27 



Piroplasmosis, 25-27 



Pisces, 352 



Placenta, 453 ; varieties of, 455 ; 

 discoidal, 455 ; meta-discoidal, 455; 

 zonary, 456 ; cotyledonary, 457 ; 

 diffuse, 457 



Plantigrade foot, 484 



Plant-lice, 262 



Plasmodia, 17 



Plasmodiophora brassicce, 17, 20 



Plasmodium, 27, 29 



II immaczdatum, 29 



II malarice, 29 



II vivax, 29 



Platyhelminthes, 40 



Plecotus auritus, 502 



Pleclroscelis concinna, 148, 151 



Pliohippos, the, 466 



Ploughshare bone, 869 



Plovers, 401 



Plum Aphis, 268 

 II Weevils, 158 



Plusia gamma, 204 



Plusiadie, 204 



Plutella Tiiaculipennis, 212 



Pneumatic bones of bird, 369 



Podiccps Jtuviatilis, 878 



Polecat, the, 485 



Polychseta, 40 



Polydesmidce, 112 



Polydcsmus complanaius, 113 



Polyps, 33 



Polystomata, 47 



Polystomum intermjnum, 47 



Pomegranate bark, use of, 506 



Pmnpilius plumbeus, 183 



Porcellio scaber, 109 



Porifera, 32 



Posterior arch, of horse, 324; of bird, 

 327 



Pratincoles, 400 



Primates, 461 



Primitive groove, 318, 436 



streak, 436, 489, 451 



Proboscidea (diptera), 232 ; (mam- 

 mals), 461 



Proctotrupidce, 188 



Propolis, 182 



Protohippos, the, 466 



Protoplasm, 8 



Prototheria, 460 



Protozoa, 16 



Psevdalis ovis-pulmonalis, 69 



Pscudotetramera, US, 148 



