1894.] 



NATURAL SCIENCES OP PHILADELPHIA. 



499 



Pisouopsis 306 



Placosphairia 359 



Planiceps 298 



Planorbiuae 24 



Plauorbis 12, 24 



Platanus 358, 372 



Platylabus 185, 186 



Platypalpus 275 



Plaxiphora 70, 74 



Plecia 271 



Pleuoculus 305 



Pleospbteria 332 



Pleospora 335 



Plesia 295 



Plesiites 295 



Plesiomma 274 



Plesiosaurus 65 



PJeuroceridiie 26 



Plicatula 65 



Podium 299 



Podosporiella 385 



Podosporiuiii 885 



Pogonaspis 204 



Polemistus 301 



Polita 15 



Polj'blastus 189 



Polygonum 374 



Polygyra 18-22 



Polymula • .... 368 



Polyporus 322 



PompilidjB 296 



Pompilini 296 



Pompilus 296, 297 



Populus .... 166, 333, 835, .370 



Poria 322, 823 



Porizon 188 



Porzana . . . .131, 132, 141, 143 



Porzauula 131, 133, 147 



PoteutlUa 853 



Procyon 155,218,394 



Propithecus 182 



Protohippu8 66 



Protosorex 446, 448 



Pruuus 844, 371 



Psammocrex 133 



Psammodynastcs 428 



Psammophila 800 



Psammophis 428 



Psammotherma 293 



Psen 800 



Psenini 300 



Pseudagenia 297 



Pseudaspis 427 



Pseudohelotium 849 



Pseudohyaliua 16 



Pseudohystricia 277 



Pseudotelphusinse 412 



Pseudovalsa 343 



Psilocephala 275 



Psilopus 275 



Psoralea 876 



Psychoda 419 



Psycbodida? 419 



Pterodrilus 449-4,54 



Pteroptila 277, 419 



Ptyssophorus 225-231 



Puccinia 885 



Pupa 28, 61 



Pupidte 23 



Putorius 152,218,394 



Pyrachm^on 188 



Pyramidula 17 



Pyrenochiiete 359 



Pyreuomycetes 325 



Pyreuopeziza 352 



Pyrenopl¥)ra .336 



Pyrus 165 



Quercus .... i'20, 846, 353, 356 



Rallicula 181, 1.33, 148 



Rallidai 130 



Ralllua 181, 182, 134, 140 



Ralliuse 130 



Rallites 132, 133 



Rallus 181, 1.S2, 135-149 



Ramularia 375, 376, 381 



Raugifer 98, 218 



Ranula 197 



Raphauus 59 



Reilhrodoutomys 161 



Rhadinsea ......... 428 



Rhexia 372 



Rhododendrou ,367 



Rhopalum 807 



Rhus 831,348,356,874 



Rhyssa 190 



Ribes 340, 379 



Robinia 58 



Rosellinia . . . 326,827,838,339 

 Rougetius . . . 180, 131, 182, 189 



Rumex 381 



Salieutia 195 



Saliu.s 297 



Salix 326, 330, 334, 358 



Salmo 60 



Sambucus . 336, 350, 358, 862, 882, 



383 



Sanguinaria 371 



Sapromyzidse 281 



Sapyga 295 



Sapygidse 295 



Sarcodexia 278 



Sarcophaga 278 



Sarcophagidse 278 



Sarcophagula 279 



Sarcophilodes 279 



Sargus 271, 272 



