INDEX TO CIRCULARS 1 TO 100. 
Page. Figure. 
Circular 
No.. 
Wheat, food plant of Macrodactylus subspinosus..............-.-..-. 11, rev. 
SUDROCOTY MEGUMI ae alse aerial Soin aise as wee 81 
Toxoptera graminum { 85 
MMO) doe 93, rev. 
grass, slender. (See Agropyron tenerum.) 
midge. (See Contarinia tritici.) 
thrips. (See Luthrips tritici.) 
vanetles resistant TOMeLessiannM hyn ce encecgees esos eecect ce. 12, rev. 
volunteer, destruction in control of Hessian fly............- 70 
Wheel bug. (See Arilus cristatus.) 
White fly, greenhouse. (See Aleyrodes vaporariorum.) 
ihydrocyanic-acid! pas as TeEMedy.. < os./.5-5 26 ~-- 225-2 == 46, rev. 
orange. (See Aleyrodes citri.) 
strawberry. (See Aleyrodes packardi.) 
WHITE, G. F., circular, ‘‘ The Cause of American Foul Brood’’..__.. 94 
“White veins’’ in wrapper tobacco the work of Euthrips nicotiane. 68 
Whitewash and carbolic acid against chicken mite.........-........ 92 
Willow, food plant of Chrysobothris femorata.........-.-.-.-.---.--- 32, rev. 3 
MOLiCosOme WMeTICON: 22.2552 5255.) ss0-- 222 98 
Pulvinaria innumerabilis.........-..---------- 64 
INIULVAD Yi Cenes@ DUDELUS =... onto eee sone cece sages they see 23 
Wilt disease of cucurbits, cotton, and cowpeas, bacterial. (See 
Bacillus tracheiphilus and Neocosmospora vasinfecta. 
Window fly. (See Scenopinus fenestralis.) 
Wire gauze (see also Screen, wire). 
barriers against round-headed apple-tree borer.......... 32, rev. 3 
Wisconsin, requirements relative to shipment of nursery stock...... 75, rev. 2 
Witch-hazel, food plant of Malacosoma americana..........-....---- 98 
Woodpecker, red-headed, enemy of grasshoppers......-.....-..----- 84 
Woodpeckers, enemies of Chrysobothris femorata..............----.-- 32, rev. 3 
IPASSOMES SIT OUI Sas so see sretiee marmot sacks 90 
NG DERA CONG = =o asa = sen fais nn ee 32, rev. 3 
Wood, seasoned, injury by powder-post beetles, circular............ 55 
Woops, ALBERT F., circular, ‘The Use of Hydrocyanic-acid Gas 
for Fumigating Greenhouses and Cold 
HAINES eee a else esa ia te emcee se 37, rev. 2 
and Dorsett, P. H., circular, ‘‘The Use of 
Hydrocyanic-acid Gas for Fumigating 
Greenhouses and Cold Frames”’............. 37, rev. 
Woolens, food of Anthrenus scrophulariz 5, rev 
Tinea pellionella........---- 36, TeV. 
PRUTUCOIIE ORSELINELUD atarote anc cloree nial ateit= ate aim aia ayes 2 36, rev. 
RCH INDI OL DELLE Ub en ae stants alas al sie fal winnie nin eco 36, Tev. 
PAW OCs DVACOCKTORCHES. 6 foto) Nein Ses veclaeecisioce seve wen: 51, rev. 
Woolly aphis. (See Schizoneura lanigera.) 
apple louse. (See Schizoneura lanigera.) 
“Worms,” colloquial name for chestnut-weevil larvee............... 99 
Wyeomyia smithii, distinctive characters of larva..........-....-.-.- 72 
Wyoming, requirements relative to shipment of nursery stocks 2.2 5- 75, rev. 2 
x. 
Xanthium spp. (See Cocklebur.) 
Xanthosoma lindeni, fumigation with hydrocyanic-acid gas........- 37, Tev. 2 
O 
