INDEX. 71 



t 



Page 



Gardenia jasminoides, food plant of white fly 10 



Gas, density at various heights above the ground 51 



method of generating 35-36 



Grapefruit as affected by fumigation 54 



trees as affected by fumigation .^ 52 



Grove, diagram, as guide in fumigation 23-24, 38 



Humidity as affecting f umigg,tion 12-14 



Hydrocyanic-acid gas. {See Fumigation.) 



Icerya purchasi, control by fumigation 7 



Isolation of grove favoring fumigation 9 



Jessamine, cape. {See Gardenia jasminoides.) 



"Jingler" 18 



Labor for fumigation, cost 58 



Laurel, cherry. (See Prunus laurocerasus .) 



Lepidosaphes bechii, losses prevented by fumigation 61-62 



Light as affecting fumigation against white fly 11 



Ligustrum spp., food plants of white fly 10 



Lilac, food plant of white fly 10 



Losses from scale insects prevented by fumigation 60-62 



white fly prevented by fumigation 59-60 



Magnolia fuscatum, food jjlant of white fly 10 



virginiana, food plant of white fly 10 



Measurements of trees, necessity in fumigation 30-31 



Melia azedarach and M. a. umbraculi/ormis, food plants of white fly 10 



Meteorological elements favoring fumigation 11-13 



Moisture. {See Humidity.) 



Mold, sooty, resulting from white-fly attack 64 



Nerium oleander, food plant of white fly 10 



Nursery stock for shipment, fumigation against white fly 54-55 



trees, fumigation against white fly 54 



Oak, water. (See Qiiercus nigra.) 

 Oleander. (See Nerium oleander.) 



Opuntia sp., use of juice for painting fumigating tents 19 



Orange fruit as affected by fumigation 53-54 



trees as affected by fumigation 51-53 



Palmetto, scrub. (See Sahal megacarpa.) 



Pear, food plant of white fly 10 



Persimmon, Japan. (See Diospyros kati.) 



wild. (See Diospyros virginiana.) 



Poles for handling fumigating tents 20-21 



Potassium cyanid for fumigation, cost .' 58 



handling, and protection from moisture 25 



purity required 25 



Prickly ash. (See Xanthoxylum dava-herculis.) 



pear cactus. (See Opuntia sp.) 

 Privets. (See Ligustrum spp.) 



Pruning trees as aid in fumigation 14 



Prunus caroliniana, food plant of white fly 10 



laurocerasus, food plant of white fly 10 



Pyrus sp. {See Pear.) 



Quercus nigra, reported food plant of white fly 10 



Sabal megacarpa, food plant of white fly 10 



