1901.] 



NATURAL SCIENCES OF rHILADELPHIA. 



853 



Prosthesiraa blanda 572 



cockerelli 571 



Protenor 269 



belfragei •• 269 



Protoneura 131, 133, 137 



aurantiaca 137 



Psammobatis brevicaudatus . . 336 



Pseudalibrouis littoralis 148 



Pseudocreobotra amarsE 286 



wahlbergii 286 



Pseudoharpax virescens 287 



Pseudoleon siiperbus 128 



Pseudoliva 513 



Pseudonenia 647, 653 



Pseudopallene discoidea 166 



hispida ■ • • • ^^^ 



Pseudoscorpionida 568, 594 



Pseudostigma 131, 140 



aberrans 136 



Psidium guajava 560 



Psilochorus pnllulus 571 



Pteraster militaris 1*76 



Pterois radiata 326 



Pteromyzonidts 328 



Pterophyllum 606 



Punica granatum .... 560 



Pupid^ 402,465,484 



Pupinella fruhstorferi 349, 350 



Funatoi 497 



oshimce 349 



rufa ..• 349, 350, 497 



rufa var. tanegashima 497 



tsushimana 349, 350 



Purpura 388 



alveolata 388 



browni 388 



clavigera 3S8 



luteostoma 388 



saxicola •_ • • 388 



tumulosavar. problematica 388 



Pycnodictya galinieri 372 



Pycnogonida 165 



Pyramidellidse 394 



Pyrazus baudini 392 



Pyrgomorphina; 373 



Pyrrhosoma minium 127, 138 



tenellum 127,132,138 



Pyrus 358 



Quercus alba 804, 313, 314, 360 



bicolor 360 



Cerris 360 



coccinea 360, 363 



dentata 360 



lyrata 360 



macrocarpa 360 



palustris 360, 363 



Phellos 360 



pinus palustris 304 



Quercus Priuos 360 



Robur 360 



rubra ^«" 



tinctoria ^^ 



Rachotropis aculeata 151 



Raja circularis 335 



miraletus 3d4 



oxyrinclius 335 



punctata 333 



quadrimaculata 334 



radula i 335 



stellulata 336 



R-yidai 333 



Rana temporaria -i^* 



Realiidfe 405 



Reduviidse 264 



Regina ^^ 



^Clarkii 33 



Grahamii 33 



kirtlandii 4^ 



leberis 32 



rigida 33 



Reinia. 410, 470, 471, 647, 654 



Rena ^3 



dulcis ^3 



humilis ^4 



Rhadinea 8^ 



flavilata ^^ 



Rliinechis 51 



elegans 51 



Rbiuobatidse 333 



Rbinobatis columnie 333 



Rbinochihis 86 



lecoutii 86 



Rhiuocypha biseriata 135 



Pageusteclieri 135 



Rhinostoma ^^ 



coccinea "55 



occipitale 68 



Rhipsalis cassytba 558 



Rhizopbora mangle 556 



Rbyncholophus 595 



simplex 595 



Rbyzopus nigricans 542 



Robinia 358 



Rupellaria 205 



Sabinea septemcarinata 165 



Sadala distincta 569, 589 



Sagittaria lancifolia 557 



Salamandra maculosa 'f/)8 



Salarias perioptbalmus J^~6 



Salix caprea 365 



Japonica 361, 364 



Salvadora 63 



grahami 63 



grabami bexalepis 63 



Saneuinaria canadensis. . .306-308, 

 ^ 319 



