512 



NEW YORK STATE MUSEUM 



nivoriundus, Diamesa, 439. 



nivoriundus, Orthocladius, 439. 



notata, Dixa, 432. 



iiotatus, Gomphus, 267, 276. 



novicum, Simulium, 352. 



nubila, Corydalis, 477, 482, 484. 



Nuttall, cited, 388, 389, 407, 408, 409, 



410. 

 Nymphaea, 297, 325. 



advena, 294, 295, 311, 318, 319, 

 325. 

 explanation of plates, 490, 491, 

 492. 

 uympliaeae, Galerucella, 325-26. 



explanation of plates, 491, 492. 



obscura, Tlialassomyia, 437-39. 



explanation of plate, 498-99. 

 obscurus, Progomphus, 275. 

 occidentale, Simulium, see Simulium 



occidentale. 

 oceanicus, Chironomus, 433. 

 ochraceum, Simulium, see Simulium 



ochraceum. 

 Odonata, life histories, 203, 218-63; 



appendix on, 263-76; lialbitat of 



some New York, 275; distribution 



of New York, 276-79. 

 Odonata-Zygoptera, breedings of, 



200. 

 odonatae, Centrobia, 230. 

 odorata, Castalia, 296, 318. 

 Oedemeridae, 292. 

 Olivier, G., cited, 485. 

 Ophiogomphus aspersus, 275. 



carolus, 275. 

 ornata, Cbrysopila, 286. 

 ornata, Simulium, 337. 

 Orthocladius nivoriundus, 439. 

 Ortliorrhapha, 329. 

 Osborn, H., cited, 337, 343, 389, 433. 

 Osten Sacken, C. R., cited, 282, 338, 



339, 386, 389, 398, 427. 

 Oulianine, B., cited, 485. 



Pachydiplax longipennis, 275. 

 Packard, A. S., cited, 326, 433, 485. 

 Palisot, Beauvois, 485. 

 pallida, Brachista, 230. 



pallidus, Neuromus, see Neuromus 

 pallidus. 



palmata, Donacia, see Donacia pal- 

 mata. 



Pantala flavescens, 275. 



Pantel, cited, 283. 



Parnidae, 291. 



parvulus, Lantbus, 264," 275. 



pavonina, Epiphragma, 281. 



pectinicornis, Chauliodes, see Obau- 

 liodes peetinicornis. 



pectinicornis, Hemerobius, 461, 483. 



pectinicornis, Hermes, 460. 



pectinicornis, Semblis, 461. 



pecuarum, Simulium, see Simulium 

 pecuarum. 



pediculus, Polypbemus, 207. 



Pelorempis, 390, 391, 402-5. 

 explanation of plate, 495. 

 americana, 403-5. 



peltata, Brasenia, explanation of 

 plate, 492. 



pentacantha, Nasiaescbna, 275. 



Peridinium, 210. 



Perithemis domitia, 275. 



Perlidae, 200, 204. 



Perris, "iSdouard, cited, 289, 298, 

 326. 



peruviana, Corydalis, 476, 480. 



Pettit, R. H., cited, 433. 



Phillips, R., cited, 345, 349-50. 



Phryganea cinerea, 287. 

 flavilatera, 484. 

 grandis, 287. 

 striata, 287. 



picta, Epiphragma, 284. 



Pictet, A.-Edouard, cited, 485. 



Pictet, F., cited, 485. 



pictipes, Simulium, see Simuliu;n 

 pictipes. 



pictum, Enallagma, 258. 



pilicomis, Corethra, 395. 



pipiens, Culex, see Culex pipiens. 



piscatrix, Donacia, 298, 316, 327. 



piscicidium, Simulium, see Simuli- 

 um piscicidium. 



piscinarium, Enallagma, see Enal- 

 lagma piscinarium. 



plagiatus, Gomphus, 267, 275. 



