804 



INDEX. 



"Pecan in Southern California," art., 414. 



in Texas, 416. 



moth, 523. 



varieties, 415. 

 Pectinophora gossypiella, 196. 

 Penny well, Mr., 34. 



Pentstemon azureus, food of Callosperm- 

 opJiilus chrysodeirus chrysodeirus, 

 679. 



Peridermium strobi, 452. 

 Perry, John H., "What the State Agricul- 

 tural Society Has Accomplished," 

 art, 9-10. 

 "Pest Control for April," 211. 

 "June," 433. 

 "July," 473. 

 "Petroleum Insecticides from the Com- 

 mercial Point of View, Selection," 

 art, 189. 

 oils, 144. 



Phaeogenes sp., parasite of Laspeyresia 



molesta, 527. 

 Phillips, B. F., "Beekeeping in War 



Times," art, 177-181. 

 Phoenix Milling Company of Sacramento, 



117. 



Phoma lutii, 461. 



Phosphorus, in squirrel eradication work, 

 782. 



Phthorimcea operculella, 200, 520. 

 Physianthus albens, old trade name of 



Araujia sericofera, 537. 

 Pierce, Mr., 87. 

 Pigweed, 164. 

 Pine blister rust, 451. 



Pinus monticola, food of Callospermo- 

 philus chrysodeirus chrysodeirus, 

 679. 



Pinus sabiniana, food of Citellus beecheyi 



fisheri, 640. 

 Piper, S. E., 149. 

 Plantago lanceolata, 166. 



food of Citellus douglasii, 648. 

 Plantain, 166. 



"Plant That Will Bear Watching," art, 

 536. 



Plodia inter punctella, 429. 

 Plum, foodplant of Laspeyresia molesta, 

 524. 

 moth, 523. 



stock, Myrobalan, 21. 

 "Poisoned Grain Baits for Rodents," art, 

 206. 



Poisons against squirrels, investigations in 

 California, 784. 

 "Cost and Consumption," 140. 

 economic, statistics, 141, 142. 

 rodent, 144. 



used in squirrel eradication, 781. 

 Pomaceous fruits, 212, 433. 

 Pomology, Division, University of Cali- 

 fornia, 20. 



Experiments, 62. 



Graduate School, resolution, 103. 

 Populus fremontii, 113. 



Potassium cyanide in squirrel eradication 



work, 783. 

 Potato tuber moth, 198. 

 Predators, 548. 

 President Wilson, 8. 



Progressive action by agricultural organi- 

 zations, 9. 



Prune and Apricot Growers' Association, 

 48-52, 53-54. 



stock, Myrobalan, 21. 

 Pruning problems, resolution, 103. 

 Prunus avium, 131. 



davidiana, 21. 



simonii, 133. 

 Pseudococcus bakeri, 511. 



citri, 549. 



citrophilus, 549. 



longispinus, 549. 



maritimus, synonym for P. bakeri, 511. 

 Pseudomonas {Bacterium) Gerasi, 123. 



tumefaciens, 365. 

 Psidium spp., food of fox-bats, 468. 

 Pteropidce, 466. 

 Pteropus edulis, 466. 



vampyrus, 466. 

 Pyrausta nubilalis, 541. 



vastatrix, 541. 

 Puthiacystis citrophthora, 488. 

 Pyrus calleryana, 355. 



ovidea, 356-357. 



pashia, 357. 



serotina, 21, 354. 



simonii, 357. 



sinensis, 354. 



ussuriensis, 357. 



variolosa, 356-357. 

 Quarantine against : 



alfalfa weevil, 522. 



beetle (Japanese), 522. 



blister rust (white pine), 522. 



bollworm (pink) of cotton, 522. 



chestnut-bark disease, 522. 



citrus canker, 522. 



cotton boll weevil (Mexican), 522. 



fruit bats, 522. 



fruit-fly (Mediterranean), 522. 

 fruit-fly, melon, 522. 

 fruit-fly, Mexican, 522. 

 mongoose, 522. 

 moth, 522. 



brown-tail, 522. 



cherry slug, 522. 



gipsy, 522. 



Oriental peach, 522. 

 peach yellows, 522. 

 plum curculio, 522. 

 potato beetle (Colorado), 522. 

 sweet potato weevil, 522. 

 Quarantine Division, defined, 7. 

 Report for November, 1917, 168. 



January, 1918, 217. 



April, 1918, 438. 



May, 1918, 479. 



June, 1918, 508. 



July, 1918, 552. 



August, 1918, 554. 



September, 1918, 591. 

 Orders, resolution, 101. 

 Quercus lobata, 113. 



Quince, food plant of Laspeyresia molesta, 

 524. 



Rabbits, jack, methods for destroying, 793. 



orchard pests, 388. 

 Radcliff, George G., resolution, 101. 

 Railroad situation and car shortage, 40. 

 Rats, directions for poisoning and trap- 

 ping, 793. 



