Inukx. 



ii.tO 



nul)eculana, Ancylis, 112 



mibiferella, Salebria, 103 



nubilana, Olethreutes, 107 



nubilis, Euparthenos, 69 



nudicaulis, Aralia, 326, 417 



numitor Ancyloxypha, 35 



nundina, Schinia. 61 



nutans, Sorghastrum, 331, 233, 361, 



394 

 nycteis. Charidryas, 31 

 Nycteola lintnerana, 74 



proteella, 74 

 NycteoHda?, 74 

 Nyctobia limitata, 79 



viridata, 79 

 Nymphrea advena, 358, 364, 367. 374. 



376, 380, 391, 413 

 Nymphaeaceae, 413 

 Nymphrea formation, 358, 364 

 Nymphalidae, 31 

 NymphidinK, 98 

 Nymphnla allionealis, 98 



icciusalis, 98 

 nyssjEcolella, Tacoma, 103 

 nysssefoliella, Antispila, 129 

 Nyssa sylvatica, 377, 398, 417 

 oakesiana, Onagra, 317, 417, 332 

 obfirmaria, Gonodontis, 88 

 obfuscana, Eucosma, 109 

 oblinita, Apatela, 46 

 obliqua. Cornus, 417 



Heterocampa, 76 



Quadrula, 183, 186, 199, 200 



Sphida. 57 

 Obliquaria reflexa. 184, 193 

 obliquestrigella, Recurvaria, 122 

 obliquum, Botrychium, 405 

 obliquus, Unio, 180, 184 

 obliterafis, Loxostege, 96 

 obliterata. Microcoelia, 46 

 oblonga, Nonagria, 57 

 oblongifolia, Amelanchier. 336, 414 

 obnuspella, Myelois, 102 

 Obovaria circukis, 179, 185, 192 



ellipsis, 183 



lens, 192 



(Pseudoon) ellipsis, 192 



retusa, 192 

 obrutella, Nepticula, 130 

 obscura, Catocala, 67 

 obscurum, Lycopodium, 324, 406 

 obtusa. Eleocharis, 352-355, 368, 408 



Metoponia, 65 



Woodsia, 405 

 obtusaria, Euchlaena, 88 

 obvertens, Massala, 70 

 occidens, Unio, 180, 181 



occidentalis, Cephalanthus, 367, 375. 

 377, 420 



Cerura, 77 



Procamelus, 165 



Rubus, 319, 334-336, 347, 414 



Symphoricarpos, 227 

 occiduaria, Anagoga, 86 

 ocellana, Tmetocera, 112 

 ochracea, Lampsilis, 204, 209 

 oclireipennis, Zanclognatha, 72 

 ochrifrontella, Euzophera, 104 

 ochrixigranum, Exartema, 107 

 ochrocomella, Dryope, 128 

 ochroterminana, Thiodia, no 

 Ocracoke Island, The Plant Covering 



of, 312 

 octo, Amyna, 64 

 octoflora, Festuca, 408 

 octomaculata, Alypia, 44 

 oculatana, Dysodia, 93 

 oculatrix, Psectes, 63 

 Odocoileus, 463, 476 



americana, 462 

 Odonata of the South American 



continent, 456 

 odora, Erebus, 71 

 odoratus, Rubus, 397, 414 

 Qicophora newmanella, 128 

 CEcophoridse, 126 

 oederi pumila, Carex, 409 

 CEnoe hybromella, 135 

 oenotherana, Phalonia, 519 

 Official Seal of City of Pittsburgh. 435 

 Officier de I'lnstruction Publique, 2 

 officinalis, Melilotus, 384, 385, 414 

 Ogden, Elizabeth, 435 



George, 435 

 Ogdoconta cinereola, 63 

 Ohio River Flat-boat, 440 

 Ohio River Keel-boat, 440 

 Ohio River steamboat, 440 

 Ohio water-shed, 4 

 Oil Lake group, 487 

 Oil painting of original Courthouse 



and market, Pittsburgh, 440 

 Oleaceje. 418 

 Olene achatina, 78 



plagiata, 78 

 Olethreutes albiciliana, 107 



bipartitana, 107 



chionosema, 107 



constellatana, 107 



coruscana, 107 



hebesana, 107 



hemidesma, 107 



impudens, 108 



instrutana, 107 



nimbatana, 107 



