416 



Nidification of Cooper's hawk, 396. 

 Kight hawk, 127. 



NiLES, W. H. On the occurrence of 

 shells of existing species at a great 

 depth at Fort Warreu, 244, 364; an- 

 cient operations in the petroleum re- 

 gion of Tennsylvania, 364. 

 Nobert's test plate, 151. 

 Notocyphus albopictus, 377. 



plagiatus, 377. 

 Numenius australis, 303. 

 borealis, 123. 

 hudsonicus, 123. 

 longirostris, 123. 

 Nyctale acadica, 120. 

 Nyctea nivea, 120. 

 Kyctherodius violaceus, 123. 

 Nyctiardea Gardeui, 123. 



Object glasses for microscopes, 397. 



Oceanites oceanica, 126. 



USdipoda bivenosa, 339. 

 Carolina, 99. 



OflBcers, elections of. 75, 162. 



Ohio, geology of, 293. 



Ohio valley, disappearance of cane from, 

 136. 



Oidemia americana, 125. 



Opiuarachna maculaia, 338. 



Ophionereis porrecta, 390. 



Ophiothela Dance, 391. 



Oporornis agilis, 110. 



forniosus, 110. 



Orthoptera, a century of, 139; arrange- 

 ment of, 228. 



Orton, J. Insects collected by, 321, 327, 

 330. 



Ortygometra obscura, 302. 



sandvicensis, 302. 



Ortyx virginiauus, 121. 



Otus Wilsonianus, 119. 



Ozotheca odorata, 176. 



Pachylis laticornis, 323. 

 Panchlora exoleta, 342. 

 Pandion caroliuensis, 120. 



solitarius, 295. 

 Panopaus Bradley i, 276, 281. 



depressus, 276, 283. 



Harttii, 276, 280. 



Herbstii, 276. 



obesus, 278. 



occidentalis, 27G, 279. 



planus, 276, 283. 



politus, 276, 282. 



JSayi, 276, 284. 



serratus, 276, 280. 



valkhts, 276, 278. 

 PanoplosccUs armata, 334. 

 Papendiek, E. On Silpha atrata, 381. 

 Papilio Aliaska, 407. 



Turnus, 92, 406. 

 Paracyathus caltha, 394. 



Stearnsii. 393. 

 Parasite in eggs of Oidipoda, 99; of 



snake bird, 100. 

 Parnassius Eversmannii, 407. 

 Parula americana, 108. 

 Parus caroliuensis, 107. 

 Passerculus gramineus, 114. 



Passcrculus savanna, 114. 

 Passerella iliaca, 116. 

 Pavonia clicosa, 395. 



giyantca, 394. 

 Pelecanus erythrorhynchus, 125. 



fuscus, 125. 

 Pelidna americana, 122. 

 Pelionetta perspicillata, 125. 

 Pennsylvania, ancient operation in pe- 

 troleum in, 364. 

 Pepsis caerulea, 379. 



Montezuma, 379. 

 prismatica, 380. 

 Sommeri, 379. 

 Periplaneta americana, 342. 

 australasije. 342. 

 Perissoglossa tigrina, lo9. 

 Perky, J. B. Sketcli of the life of Dr. 

 Emmons, 214; on Indian relics in 

 Swanton, Yt., 219. 

 Petroleum, ancient working of, 364. 

 Petrosilex, analysis of, 84. 

 Peucsea asstivalis, 116. 

 I'hacodus in'tgutaris, 311. 

 Phaeton lethereus, 308. 



rubricauda, 808. 

 Phasma Meuius, 341. 



putidum, 341. 

 Philohela americana, 122. 

 Phcenicopterus ruber, 124. 

 Pliyllodromia pallipeg, 342. 

 Physical geology of Ohio, 293. 

 PiCKERi>G, E. Eeport of Treasurer for 



1867-8, 66. 

 Pickering, 0. Death of, announced, 



143. 

 Picus pubescens, 119. 

 querulus, 119. 

 villosus, 119. 

 Pieris venosa 406. 

 Pilumnus limosus, 285. 

 Pipilo erythrophthalmus, 117. 

 Planiceps concolor, 377. 

 notabilis, 377. 

 Plants, Hawaiian, 164. 

 Platalea ajaja, 124. 

 Platecarpas tympaniticiis, 265. 

 Platydactylus bicolor, 141. 



fasciatus, 331. 

 Platydesma, 164. 

 Plestiodon laticeps, 178. 

 Plethodon erythronotus, 198. 



glutinosus, 198. 

 Plinthicus sttnodon, 316. 

 Plotus anhinga, 100, 126. 

 Podiceps cornutus, 127. 

 cristatus, 127. 

 Holbrookii, 127. 

 Podilymbus podiceps, 127. 

 Poc/onias multidentatus, 310. 

 Poiioptila cx-rulea, 107. 

 I'ompilida;, Mexican, 366. 

 Pompilus accolens, 374. 

 aethiops, 367. 

 algidus, 371. 

 apiculatus, 375. 

 auripilis, 373. 

 azureus, 372. 

 casrulipes, 376. 

 calcaratus, 374. 



