ILLUSTRATIONS 



PAGE 



Portrait of the Author .... Frontispiece 

 York Imperial Apple Tree, Fumigated with Six Times 



Normal Dose ........ 17 



Ogon Plum, Fumigated with Three Times Normal Dose 18 



Ogon Plum Tree, .Fumigated ...... 19 



Peach Tree, Fumigated with Normal Dose ... 21 

 Effects of Gas on Mature Peach Trees, where Overdoses 



were Used ......... 23 



The Wolfskill Fumigator 29 



The Titus Fumigator ........ 30 



The Culver Fumigator ....... 31 



Culver Tent and Morse Fumigator ..... 32 



Canvas Tent with Square Top and Base .... 33 



The Preble Fumigator, as Used in California Orchards . 36 



Raising Small Hoop Tent ....... 37 



Hoop Tent Almost in Position 38 



Small Hoop Tent Ready for Chemicals . . . . 39 



Lifting Large Hoop Tent from Ground .... 40 



Adjusting Large Hoop Tent 41 



Lifting Tent After Fumigation . . . . . .43 



Covering Tree with Large Hoop Tent .... 44 



Method of Shifting Large Hoop Tent. (After Woodworth) 45 



Orchard Work with Sheet Tents in the East ... 47 

 Manipulating Sheet Tents with a Single Pole. (After 



Woodworth) ......... 48 



Handling a Tent with a Single Pole 49 



Removing Sheet Tent by Means of Pole and Helpers . 50 



Covering Large Orange Trees with a Sheet Tent . . 51 

 Sheet Tent in Position Over an Orange Tree Ready for 



Chemicals ......... 53 



vii 



