INDEX 335 



Page 



Nectunis maculosiis 259, 261 



Nemobius fasciatus 229 



Neniopanthiis mucronata 102 



Nemotettix cristatus 222 



Neothrips corticis 184, 187, 189, 192, 206, 214 



Nepeta cataria 109, 212 



hedaracea 110 



Nirmus actophilus . 237 



candidus 2.37, 241 



complcxivus 236, 241 , 242 



boephilus 237, 241 



furvus ravus 236, 241 



parallelus 237, 241 



simplex 238, 242 



stramineus 238 



Nitzschia brunneri 240 



latifrous 239, 242 



pulicaris 240 



Notonectidae 24 



Notropis cayuga 25, 26, 246, 249 



cornutus 25, 26, 246, 250 



hudsoiiius 26, 246, 250 



rubrifrons 26, 246, 250 



whipplii 246, 250 



Noturus flavus 246, 248 



Nummularia bullardi 57, 60 



Nycticorax nycticorax naevius 274, 279 



Nymphaea adveiia 25, 92, 131, 132, 133, 134, 140, 141 



tuberosa 25, 92, 131, 133, 140 



O. 



Oakesia sessilifolia 85 



Oecanthinae 230 



Oecanthus fasciatus 230 



quadripunctatus 230 



niveus 230 



Odocoileus americanus 309 



Oedipodinae 224 



Oenothera biennis 47, 70, 104, 212 



Oidemia deglandi 240 



Omphalia campanella 56 



fibula 56 



Onoclea sensibilis 45, 73 



struthiopteris 73 



Oporonis Philadelphia 275, 303 



Orchelimum vulgare 228, 229 



Orphulella pelidna 223 



Orr, VV. J 15 



Orthoptera 14, 177, 217 



diurnal activity of Acridiidae 219 



ecology of Acridiidae 221 



economic importance of Acridiidae 217 



species, list of ' 222 



Oryzopsis asperifolia 77 



pungens 77 



Osborn, H 231, 236, 237, 242 



Osmorhiza claytonia 51, 105 



longistylis 105 



Osmunda cinnamomea 73 



regalis 43, 73 



Ostrya virginiana 23, 89 



Otocoris alpestris 273, 289 



Otus asio 285 



