Index. 



541 



Populus-Salix formation, 339, 348, 



349, 352-355, 360 

 Populus zone, 363 

 Porcellia, 484 

 Porosagrotis vetusta, 52 

 Portage Road, 437 

 Porter, T. C, 406, 419, 421 

 Portheus molossus, 453 

 portlandi. Enodia, 33 

 Post. Frederick, 425 



Joseph, 427 

 Potamogeton, 310 



foliosus, 390, 407 



foliosus niagarensis, 390, 407 



heterophyllus, 373, 390, 406 



lucens, 373, 390 



lonchites, 358, 373, 390, 391 



natans, 358, 367, 373, 374, 380, 

 390, 406 



pectinatus, 358, 364, 373, 390, 

 407 



perfoliatus richardsonii, 406 



pusillus, 350 



zizii, 390, 406 



zosteraefolius, 373 

 Potamogeton formation, 349. 352, 



353, 372, 380, 392 

 potens. Leptodesma, 484 

 Potentilla monspeliensis, 414 



paradoxa, 414 

 Powder horn, 434 ; carried in 

 French and Indian War, 434 ; 



used in garrison at Fort Pitt, 434 

 prsefectellus. Crambus, 100 

 prxgrandaria, Metrocampa, 87 

 pr;ematura, Reticularia, 481, 484 

 prxmaturella, Elachista, 129 

 prasina, Adelphagrotis, 51 



Carex. 381, 409 

 pratense. Trifolium, 385, 396, 415 

 pratensis, Poa, 319, 396, 408 

 pravella, ^Meroptera, 103 

 precationis, Autographa, 63 

 Preliminary List of the Lepidoptera 

 of Western Pennsylvania. Col- 

 lected in the Vicinity of Pitts- 

 burgh. By Henry Engel, 27- 



Preliminary List of the LTnionids of 

 ^^'estern Pennsylvania, with 

 New Localities for Species 

 from Eastern Pennsylvania. 

 By Dr. A. E. Ortmann, 178- 

 210 



Prentice, Sidney, 290, 459 



President of the United States, 

 Theodore Roosevelt, 223 



Presque Isle dunes, 338 

 Presque Isle, Phytogeographic Re- 

 lationships of the Flora of, 

 396 

 Pressodonta, 207 

 pressus, Unio, 181 

 prima, Anorthodes, 47 

 primaginia, Sphaerodoma, 169 

 Primer of Forestry, 362 

 Primulacea;, 418 

 Prince Charlie of Scotland, 428 

 Princeton, Battlefield of, 433 

 Princeton Scientific Expedition, 457 

 Priocycla armataria, 89 

 Prionocyclus, 273 

 Prionodesmacea, 145 

 Prionoxystus macmurtrei, 93 



robinise, 93 

 priscus, Apedodus, 485 

 privatus, Anytus, 53 

 Procamelus, 264, 477 



eirodi, 159, 162, 165 



madisonius, 164, 165 



occidentalis, 165 

 Proclamation by the President of the 



United States, 445-446 

 procumbens, Rubus, 414 

 Prodenia commelinae, 49 



ornithogalli, 49 

 productata, Eois, 83 

 Productella boydi, 485 



lacrymosa, 481, 484, 485 

 productus, Unio, 210 

 Proetus, 482, 485 

 progne, Polygonia, 32 

 prolifica, Zaphrentis, 481 

 Prolimacodes scapha, 91 

 Prolobites delphinus, 153 



simplex, 152, 153 

 promethea, Callosamia, 39 

 Pronomotherium. 477 

 Pronuba yuccasella, 135 

 Propalaeomeryx, 459 

 propinqualis, Rivula, 64 

 propinquilinea, Demas, 44 

 Proptera alata, 179, 181, 185, 202 



gracilis, 183, 184, 192, 202 



Ijevissima, 182 

 Proserpinaca, 369 



palustris, 368, 376, 417 

 proteella, Nycteola, 74 

 Proteopteryx albicapitana, 11 1 



costomaculana, iii 



cressoniana. iii 



deludana, 1 1 1 



laracana, 1 1 1 



resuptana, i i i 



