INDEX 



333 



Peach, worm, 116. 

 Pear blight, 259, 263. 



leaf blight, 249. 



midge, 124. 



scab, 245. 

 Pelecinus fly, 185. 

 Pentatomidae, 166. 

 Peppergrass, 33. 

 Phcebe, 301. 

 Phy corny cetes, 219. 

 Phymatidae, 167. 

 Physalis, 40. 

 Pigeon-grass, 32. 

 Pigweed, common, 36. 



white, 35, 43. 

 Pine sawyer, 141. 

 Plantain, broad-leaved, 8. 



large-bracted, 21. 



narrow-leaved, 8, 22. 



western, 21. 

 Plum, curculio, 141, 146. 



pockets, 244. 



pollination of, 200. 

 Pocket gophers, 324. 

 Poison hemlock, 27. 



ivy, 27. 



Pollination of flowers, 194. 

 Poppy, corn, 50. 



field, 50. 



Potato blight, early, 255. 

 late, 219. 



scab, 254. 

 Prairie dog, 310. 

 Predaceous, beetles, 164, 172. 



bugs, 167, 172. 



flies, 168, 172. 



bisects, 163. 

 Proctotrypid flies, 185. 

 Psyllidae, 82. 

 Puccinia coronata, 238. 



pruni, 239. 



rubigo-vera, 237. 



Sorghi, 238. 

 Purslane, 35, 43. 



Quack-grass, 14, 31, 61. 



Rabbit, cottontail, 321. 



jack, 321. 



northern, 321. 

 Radish, maggot, 127. 



wild, 33. 

 Ragweed, 37. 



giant, 37. 



Railroad worm, 125. 

 Rat, brown, 319. 

 Rattlebox, 27. 

 Rattleweed, 27. 

 Redroot, 36. 

 Reduviidae, 168. 

 Rib-grass, 22. 

 Ribwort, 22. 

 Robber flies, 168. 

 Robin, 294, 298. 

 Roman wormwood, 37. 

 Root maggots, 126, 130. 

 Rose, bug, 133. 



chafer, 133, 148. 

 Rust, apple, 238. 



asparagus, 231. 



cedar, 238. 



clover, 234. 



corn, 238. 



hollyhock, 240. 



oats, 238. 



plum, 239. 



raspberry, 239. 



rose, 235. 



wheat stem, 235. 

 leaf, 237. 

 Rusts, 231, 240. 



St. Johnsworts, 23. 

 Salsify, n. 

 Sassafras, 25. 

 Savin, 25. 

 Sawflies, 149. 

 Sawfly, willow, 150. 

 Scale, black, 85. 



cottony maple, 83. 



insects, 82. 



San Jose, 86. 

 Seventeen-year locust, 78. 



