INDEX. 



Acacia decurrens, food plant of I eery a 

 purchasi, 459. 

 decurrens delabctta, food plant of Icerya 



purchasi, 45!). 

 latifolia, Icerya purchasi introduced 

 thereon, 459. 

 Acreage, of bearing peach trees in Cali- 

 fornia 1916, 1917, 224. 

 of bearing pear trees in New York, Ohio, 



Michigan and California, 22 6. 

 Table, principal fruits in California, 217. 

 pears in California, by counties, 22 7. 

 Mgeria opalescens, pest control for April, 

 211. 



Agriculture, "Opportunities for Achieve- 

 ment," art., 481. 

 Society of California, 9. 

 Alexander, Annie M., 598. 



W. G., 48. 



Alfalfa, field, overrun with Plantago 



lanceolata, 166. 

 weevil and state quarantine, 484. 

 "Alfalfa weevil in alfalfa fields adjacent 



to Salt Lake Railroad," art., 54 6. 

 Alfilaria, food of Citellus beecheyi beech- 



eyi, 624. 



"Aliens : We do not want ; Why we do not 

 want them and How they may ar- 

 rive," art, 466, 541, 498. 

 Almond Growers' Exchange, 17. 



mite, 473. 

 Amaranthus retroflexus, 164. 

 American Beet Sugar Co., 36. 

 Ammospermophilus leucurus leucurus, 

 description, 686. 

 distribution, 688. 

 field characters, 686. 

 synonymy, 686. 



nelsoni aynplus, description, 702. 

 field characters, 703. 

 map, 678. 

 synonymy, 702. 

 nelsoni nelsoni, description, 695. 

 distribution, 696. 

 field characters, 695. 

 synonymy, 695. 

 Anarsia lineatella, 523. 



Anderson, Alden, "Evolution of Standardi- 

 zation in Fruit Pack," art., 42-44. 



Anewalt, H. P. a "Standardization as Viewed 

 by Railway Companies," art., 45-46. 



Ant, Argentine, 7. 



Anthonomus grandis, 210. 



Ants, as blight carriers, 362. 

 control in pear orchards, 386. 



Aphis, 211, 213, 433. 

 black citrus, 215. 



blight carriers in pear orchards, 344. 

 bur clover, control in pear orchards, 374. 

 gossypii, 378. 

 green apple, control, 37 7. 

 medicaginis, 374. 



melon, control in pear orchards, 378. 

 pear root, control, 383. 

 pomi, 377. 



Apple bud-borer, 523. 



"Drying Industry in Pajaro Valley," 

 art., 502. 



"Effect of Cross-Pollination on Size, 



Color, Shape and Quality," 5 68. 

 food plant of Laspeyresia molesta, 524. 

 maggot, 420, 430. 

 Standardization Act, 6. 



work in California, 5 86. 

 worm, lesser, 523. 

 Apricot buds, spray injury, 4 54. 



food plant of Laspeyresia molesta, 5 24. 

 "Bacterial Gummosis," art., 137. 

 Aquila chryscctos, 621. 

 Araujia sericofera, a noxious weed, 536. 

 Ar chips argyrospila, 377. 

 Arctostaphylos manzanita, food of Citellus 

 douglasii, 648. 

 patula, food of Citellus beecheyi beecheyi, 

 626. 



Argentine ant, 7, 550. 

 Armillaria mellea, 365. 

 Armitage, H. M., 119, 145, 166. 

 Arsenate of lead, spray formula, 4 04. 

 Arsenicals, 143. 



Arsenic, in squirrel eradication work, 7 83. 

 Arsenite of zinc, spray formula, 4 04. 

 "Arsine" against ground squirrels, 763. 

 Artichoke, garden, 464. 



Ascogaster carpocaps<r, parasite of Las- 

 peyresia molesta, 527. 



Ashley, Geo. W., "Fresh Fruit Standard- 

 ization Law Benefits the Grower," 

 art., 38-40. 



Asphaltum, use in treating wounds, 315. 



Aspidiotus perniciousus, 381. 



Avernarius carbolineum, 493. 



Bacillus amylovorus, 416, 562. 



"Bacterial Gummosis of Stone Fruits," 

 art., 121. 

 apricots, control, 138. 



Bactrocera cucurbitw, 419. 



Bamboo disease, 497. 

 smut, 497. 



"Banana root-borer," art., 498-502. 



Bancroft, Mr., 25, 107. 



Banker, Paul E., 484. 



Bardhall, O. A., 3 54. 



Barnett, R. J., "Some Thoughts Regarding 

 the Teaching of Horticulture," art., 

 574-578. 



Barnhart, F. D., 35. 



Barrett, J. T., "Bacterial Gummosis of Ap- 

 ricots," art., 137-140. 



Barss, H. P., "Bacterial Gummosis of 

 Stone Fruits," art., 121-136. 



Bean, soy, 37. 



Bean sprayers, 455. 



"Beekeeping in War Times," art., 177. 



Beers, C. W., 18. 



Bees, as blight carriers, 360. 



Beet Culture Committee, 36. 



Beneficial insects, collection of, 7. 



Benton, J. F. (Comm.), 136, 140, 146. 



Berry growers, 58. 



