276 



Parsley, 182. 

 Parsnip, wild, 196. 

 Passalus cornutus, 125, 144, 150, 151, 

 153, 154, 159, 202, 203, 204, 221, 

 222, 228, 236. 



liorned, 61, 154, 203, 222, 236. 

 Peach, 143. 

 Pear, 229. 

 Pelecinidse, 233. 



Pelecinus polyturator, 64, 126, 233. 

 Pelidnota punctata, 55, 56, 177, 223. 

 Pemphigus oestlundi, 105. 



populieaulis, 105. 



populi-transversus, 105. 



vagabundus. 105. 

 Pennyroyal, 57. 

 Pentatomida;, 171, 218. • 

 Penthe obliquata, 137. 



pimelia, 137. 

 Peridroma saucia, 140. 

 Petalostemum, 169, 178. 



purpureum, 54, 169, 172, 199. 

 Phalangiida, 35, 161, 205. 

 Phalangiidffi, 161, 205. 

 Phasmidffi, 211. 



Phegopteris hexagonoptera, 63. 

 Phenolia grossa, 136. 

 Phidippus, 164. 



audax, 138. 

 Philomycida;, 202. 



Philomycus carolinensis, 58. 61, 64, 

 136, 150, 202, 204, 205, 209, 221, 

 228, 236. 

 Phloeotomus pileatus, 228. 

 Phorida?, 137. 



Photuris pennsvlvanica, 65. 222. 

 Phragmites. 77', 80, 105, 188. 

 Phvmata, 120. 



fasciata, 45, 46, 47. 48. 49, 50, 51, 

 52. 53, 54, 104. 108. 109, 110, 111, 

 121, 174, 175, 185, 189. 



wolffi. 174. 

 Phvmatidfe. 174. 

 Phymatodes varius. 156. 

 Physi gyrina, 50, 51, 160. 

 Physidse". 160. 

 Physocephala, 200. 



sna-ittarin. 110, 188. 

 Pioridas. 182. 



Piscenn tr-^mex. 59, 61, 231. 

 Pignut, 57. 60. 124. 

 Pilea pumil-i. 60. 62, 63, 126, 138. 209. 

 Pine. 76, 143. 155. 



yellow. 156. 

 Pitcher-plant, 195. 

 Plngionotus sneciosus, 156, 232. 

 Planorbis. 161. 



Plantain, 227. 

 Plant-bug, dusky, 174. 



tarnished, 45, 65, 175, 218. 

 Plant-lice, 47, 51, 107, 162, 164, 165, 



169, 174, 176, 188, 230. 

 Plant-louse, milkweed, 171. See 



Aphis asclepiadis. 

 Platydema ruficorne, 136. 

 Platymetopius frontalis, 48, 171. 

 Platyptera, 208. 

 Platypus, 137. 

 Plum, 141, 198, 219, 229. 



sugar, 228. 

 Polistes, 48, 49, 187. 



pallipes, 110. 



variatus, 110, 121, 193. 

 Polydesmidse, 205. 

 Polydesmus, 61, 150, 205. 



serratus, 134. 

 Polyergus lucidus, 192. 

 Polygonia, 126, 138. 



interrogationis, 225. 

 Polygonum, 183. 



convolvulus, 227. 

 Polygraphus rufipennis, 156. 

 Polygyra albolabris, 58, 201. 



ciausa, 61, 201, 202, 204. 

 Polyporus, 126, 136, 224. 



tomentosus, 136. 



volvatus, 137. 

 Pompilidse, 194. 

 Pompilus fethiops, 238. 

 Pontia protodice, 174. 



rapa?, 56, 182, 186. 

 Poplar. 106, 149. 



Carolina. 105, 106. 

 Populus, 106. 



deltoides, 44, 103, 105, 149. 

 Porthetria dispar, 156. 

 Potato, 179. 224. 



-beetle, old-fnshioned, 52, 180. 



wild sweet. 178. 

 Prairie-dog, 100. 

 Prickly ash, 60, 63, 138, 179, 183, 217, 



225. 

 Priocnemoides iinifasciatus, 193. 

 Priocnemus unifascintus, 193. 

 Priononyx atrata, 195. 

 Prionoxystus robinise, 144, 154. 

 Prionus imbrieornis, 152. 

 Proctac!inthus milberti. 187. 

 Promachus, 119, 120, 121. 



vertebratus, 50, 51, 53, 56, 109, 

 111. 171, 186. 

 Prunus. 225. 



serotina, 208. 

 Psammochares sethiops, 65, 132, 238. 



