cclxxxii 



GENERAL INDEX. 



Nanodes tamarisei. 191. 

 Nasturtium hvbi ids, 397. 



" obtusum, 397. 



»♦ palustre, 397. 



" sesslifloruiu. 397. 



" siiuiatuni, 397. 



Natchez — Ancient remains near. /<S^. 

 Nebraslva — Mait and the elepliant 



in. 218. 

 Nephila pUimipes, 109. 

 Nerii.m olciindrr, 115. 

 New use for American Aorave, 195. 

 Nisoniades Juvenalis, 336. 

 Nomaspis, 5G5. ^ 



Oaks of the United States, 372, 539. 

 Oaks — Vernation of. 214. 

 Oak wood. 374, 385. 

 Oarisnia Powesliiek. 338. 

 Odontomerns mellipe,«, 164. 

 (Edipoda suifinva. 552. 

 OCneis simidea. 2;il. 

 Qi^nothera jri-anditlora, 115. 

 (FAh compta, 54. 

 Ortliia, 337. 



Orthocentrus Irifasciatus, TOO. 

 " stijrmatias. 101. 



Orthotylus discoidalis, 59. 

 Osmia. 558. [:211. 



Oviposition of Leuoania unipuncta., 

 '• Saperdabivittata, ;?6.9. 



Paleacrita vernata. 274', .573. 

 Palemou Jamacen.^is, 17S. 

 Papilio Turnus, 204. 

 Parasites on bee.«. 212. 



'» '• the effo:s of Caloptenus 



spretus, :226. 

 Paris Green as an insect destrover, 

 Pediculus apis. 546. [i55. 



'• niclittse, 546. 

 Pelopajus, G3. 

 Pepsis formosa, 269. 

 Pereospasta. 5(i5. 

 Periodical cicada, 217. 

 Peronosporic. 215. 

 Peronospora infestans, 269. 

 " on Vitis, 215. 



Petavius, doctrina tcmporum, 404, 

 424. 

 " chronolo<?y of, 469. 

 '• eclipses unknown to, 424, 



5U9. 

 " on solar and lunar calen- 

 dars, 40S, 420, 460, 478. 

 Phoma viticola. 215. 

 Piiotinus pyraiis, 47. 

 Phyilo.xera car\ ajcaulis, 147. 

 " coccifeia, 148. 

 " I.,iclileusteinii, 14S. 



" quercus, 282. 



Phylloxera Eilevi. 282. 



vastatrix, 51. 147, 269. 

 " European and Americaa 

 iiLsect identical. 52. 

 Phypianthus albens. 109. 115. 

 Phytodictus distinctus. 156. 



vul<?aris, 154. 

 Pieris, 26S. 

 Pingr6 — Computations of ancient 



eclipses, 425, 482. 

 Pinus (see Abies), 693. 



•' Elliotti. 77. 

 Pita. 295. 

 Pimpla, alborlcta, 143. 



annulicornis. 135. 

 " annulipes. 133. 

 " coelebs, 141. 

 " conquisitor, 138. 

 " indajratrix, 141. 

 " inquisitor, 138. 

 " investigatrix. 142. 

 " melanocephala, 131. 

 •' pedalis, 132. 

 " pictipes, 135. 

 " pterelas, 133. 

 " scriptifrons, 139. 

 «' vidua, 140. 

 Pollen of Pines carried off by storms, 

 Polyanthes, 301. [44^ 



Polyrhabdus carini<rer, 98. 

 Polysphincta nijrriceps. 144. 

 iii<;rita. 144. 

 " pimploi<les. 145. [219. 



Porphyries — A<re in Missouri, 366, 

 President's address for 18i»8, 9. 

 " 1869, 25. 

 '« " " 1870, 37. 



"■ " 1871, 55. 

 " ti i» isi-l, 93. 



" »i »« 1S73, 119. 



" " 1874, 157. 



" " 1876, S38. 



Pronuba — Generic diagnosis of, 55. 

 •' yuccasella, 106. 



*' " 56, 325, 568. 



'» " larva of. 61. 



" " chrysalis of, 178. 



" " oviposition of, 208. 



Pspudopontia, 324. 

 Pseudomeloc, 565. 

 Pseudotsuga Doupflasi, 591, 599 

 " niajriiilica. 001. 



"■ nobilis, 601. 



Ptolemy's Almagest, 402. 503. 505. 

 " historical canon, 499. 



Quercus, in the United States, 372, 

 •' acutidens, 882. [339. 



" agrifolia. 376-8, 383. 

 " alba, 375-6. 

 »* " X niacrocarpa, 398. 



