cclxxxii 



GENERAL INDEX. 



Nanodes tamarisci, 191. 

 Nasturtium hybrids, 397. 



" obtusum, 397. 



" palu^tre, 397. 



" sess liflorum. 397. 



" sinuatum, 397. 



Natchez— Ancient remains near.i&4. 

 Nebraska — Man and the elephant 



in. US. 

 Nephila plumipcs, 109. 

 Nerii.m oleander, 115. 

 New use for American Ajrave, 195. 

 Nisoniades Juvenal is, 336. 

 Nomaspis, 565. 



Oaks of the United States, 372, 539. 

 Oaks — Vernation of, 214. 

 Oak wood. 374, 385. 

 Oarisma Poweshiek. 338. 

 Odontomerns mellipes. 164. 

 (Edipoda sulfnrea. 552. 

 GSneis simidea. 2S1. 

 CEnothera grandiflora, 115. 

 GEta compta, 54. 

 Orthia, 337. 



Orthocentrus I lifasciatus, 100. 

 stigmatias. 101. 

 Orthotylus discoidalis, 59. 

 Osmia. 558. [211. 



Oviposition of Leucania nnipuncta, 

 " Saperdabivittata, 269. 



Paleacrita vernata, 274, 573. 

 Palemon Jamacensis, 173. 

 Papilio Turnus, 204. 

 Parasites on bees, 212. 



" the esrgs of Caloptenus 

 spretus, 226. 

 Paris Green as an insect destroyer, 

 Pediculus apis. 546. [193. 



nielittae, 546. 

 Pelopreus, 03. 

 Pepsis formosa, 269. 

 Pereospasta. 565. 

 Periodical cicada. 217. 

 Peronosponc. 215. 

 Peronospora infestans, 269. 

 on Vitis, 215. 

 Petavius, doctriua temporum, 404, 

 424. 

 " chronology of, 469. 

 " eclipses unknown to, 424, 



51)9. 

 " on solar and lunar calen- 

 dars. 403, 420, 460, 47S, 

 Phoma viticola, 215. 

 Photinus pyralis, 47. 

 Phylloxera can aecaulis, 147. 

 k ' ( coceifera, 148. 

 " Lichtensteinii, 148. 

 " quercus, 282. 



Phylloxera Pilevi. 282. 



vastatrix, 51. 147, 269. 

 " European and American 



insect identical. 52. 

 Physianthus albens. 109. 115. 

 Phytodictus distinctus. 156. 



vulgaris, 154. 

 Pieris. 268. 

 Pingre — Computations of ancient 



eclipses, 425. 482. 

 Pinus (see Abies), 593. 



•' Elliotti. 77. 

 Pita, 295. 

 Pimpla, alboricta, 143. 



annulicornis. 135. 

 " annulipes. 133. 



coelebs, 141. 

 " conquisitor, 138. 

 indagatrix, 141. 

 " inquisitor, 138. 

 14 investigatrix. 142. 

 " nielanocephala, 131. 

 •' pedalis, 132. 

 11 pictipes, 135. 

 " ptert-las, 133. 

 " scri|»tifrons, 139. 

 vidua, 140. 

 Pollen of lMncs carried off by storms, 

 Polyanthes. 301. [44. 



Polyrhabdus eariniger, 98. 

 Polysphincta nijrriceps. 144. 

 i.igrita. 144. 

 pimploides. 145. [219. 

 Porphyries — Ajre in Missouri, 366, 

 President's address for ISr.S, 9. 

 ■' 1869, 25. 



" " 1870, 37. 



" 1871, 55. 

 " 1S72, 93. 

 " ' " " 1^73, 119. 



" 1874, 157. 

 " 1S76, 238. 

 Pronuba— Generic diagnosis of, 55. 

 •' yuecasella, 106. 



56. 325, 568. 

 " " larva of. 61. 



" chrysalis of, 178. 

 " " oviposition of, 208. 



Pseudoponlia. 324. 

 Pscudoinelue. 565. 

 Pseudotsuga Dougla*i, 591, 599 

 " niajrnilica. 601. 



nobilis, 001. 

 Ptolemy's Almagest, 402. 503. 505. 

 " historical canon, 499. 



Quercus, in the United States, 372, 

 ' •« acuti.lcns. 382. [339. 



agrifolia. 370-8, 3S3. 

 alba. 375-6. 

 " "X macrocarpa, 398. 



