ILLUSTRATIONS ix 



PAGE 



General Plan of Floor. (Original) ..... 105 



Where Trees are Fumigated by the Million . . . 106 



Well-built Single-room House for Small Nursery . . 106 



Complete Fumigating House in Utah .... 107 



Sectional View of a Model Utah House. (After Moore) . 108 

 Double House in Canada for Fumigating Trees on a 



Wagon 109 



Fumigating House at the Ontario Agricultural College . no 

 Methods of Ventilating a Fumigating House. (After 



Lochhead) ......... 112 



Diagram of Generator and Sectional View of Fumiga- 



torium. (After Webster) 113 



Lower Portion of Fumigatorium. (After Sanderson) . 114 



Generator and Details for Handling. (After Sanderson) 115 



Method of Fumigating Greenhouse ..... 129 



Box for Fumigating Small Plants and Cuttings . . 131 

 Diagram for Determining Cubic Contents of Greenhouse. 



(After Galloway) ........ 140 



Even and Three-quarter Space Houses. (After Woods 



and Dorsett) ......... 142 



Interior Arrangement for Fumigating Buildings. (Orig- 

 inal) . ( . . . 164 



Fumigating in a New South Wales Orchard . . . 204 



Two Orange Trees, Fumigated and not Fumigated. . 205 

 Average Specimen of Orchard Fruit from a Fumigated 



Tree 207 



Average Specimen of Orchard Fruit from a Tree not 



Fumigated ......... 207 



Improved Method of Fastening Door on the Lowe Fumi- 



gator 215 



The Sirrine Type of Folding Fumigator .... 217 



Canvas Tent with Felt Type of Pyramidal Hood . . 219 



Fumigated Citrus Orchard in California .... 222 



Sprayed Orange Tree in a California Orchard . . . 223 



