494 



INDEX. 



Relation of farm weeds to ha> fever, 



art. 4 4 

 Western mugwort, 4 6 



Ragweed, 46 

 White goosefoot, 46 

 Wormseed, 46 

 Weeks, Chas. B. : Status of peach industiy 



in Tehama Co., 474 

 Wheeler, Benj. Ide ; Pres. University Cali- 

 fornia, 12S, 1S6 

 Weevil: Alfalfa, 31, 295 



Quarantine order No. 29, 32 

 Mexican cotton boll, art. 291 

 Weinland, H. A., 69 



Weinstock, Harris, 166, 167, 168, 160, 17 0, 

 172, 207 

 How organization of producers affects 



prices, art. 356 

 Scientific distribution of fruit, art. 159, 

 173 

 Weldon, G. P., 183, 336, 390, 337, 433 

 Acreage table, 240 

 Colorado pointers on ground squirrel 



control, 364 

 Conservation of farms produces, art. 243 

 Crop report and statistics, 11". 358 

 Crop report, 238, 287, 411 

 Drone trees, 338 

 Lemon outlook better than first reported, 



art. 398 

 Plant Lice, art. 54 

 Quarantine order No. 29 on the alfalfa 



weevil, art. 31 

 Spray injury, 398 

 Squirrel control, art. o64 

 Standardization of fruit packing under 

 Assembly Bill, 212, 1917, art. 289 

 Pack and conservation, :<62 

 Storage of fruits, 54 



White pine blister rust suppression. 338 

 Wester, P. J., 5, 6, 8, 10, 11, 12 

 Western mugwort, 46 

 Ragweed, 46 

 White pine, 271 

 What about fruit below established stand- 

 ard, art. 193 

 What cooperation has meant to the peach 



growers, art. 42 

 What crops? art. 353 

 When are grapes ripe? art. 106 

 "White" ahuacate, 2 

 White, Dr. Thomas J., 1 



White Flies: Cloudy winged. 298, 300, 303 



Common. 298, 300, 302 



Woolly, 298, 300, 302 

 White flies of citrus, art. 298 



Control measures, 300 



Fumigation of, 304 



Fungus parasites of, 300 



Life histories, 29S 



List of species, 304 



Spraying with insecticides, 302 



In Japan, 381 

 White Pine, 269 



Blister rust and the chestnut bark dis- 

 ease, art. 268 



Blister rust. 269 

 Cause, 271 



Quarantine order No. 30, 57 

 Suppression, 338 



European forests and blister rust, 274 



Forests affected with blister rust, 275 

 Wild mustard control, art. 217 

 Wilder, G. P., 15 

 Willard. H. F.. 72 

 Winter Nelis : Woolly Aphis on, 390 

 Wisker, A. L„ 173, 202, 204. 206, 207, 392 



Improvement of nursery stock, art. 199 



Scientific distribution of fruit, art. 171 

 Woglum, R. S., 95, 109, 113, 256 

 Wood-rot fungus, 80 

 Woodson. J. B., 93 

 Wood, William : Forced control of insect 



pests in Los Angeles County, 435 

 Woodworth, Professor, 257, 465 

 Woolly Aphis : Root feeding forms, 393 



Apple aphis, 421 

 Wormseed, 46 

 Wren, Hugh C. : Fruit growing possibilities 



of Glenn Co., 425 

 Wright, Mr., 249 

 Wyoming ground squirrel, 365 



Xanthium pennsi/lvanicum , 46 



sijitiusinn , 46 



Yearbook, Department of Agriculture, 



1S98. 320 

 Yellow : Newtown. 80 



Pine. 271 



Star Thistle, art. 27 

 Yolo County: Almond production in, 480 

 Yuba County: Olive possibilities in, 4S1 



