MISCELLANEOUS REQUIREMENTS. 



23 



bags or into tin cans, or it may be emptied directly from the scoop 

 into the generating jar. A spade or shovel should be on hand for 

 use whenever it is necessary to weight down the edges of the tent by 

 a few shovelfuls of earth and also for use in burying the contents of 

 the jars. A copy of the table of dosage recjuired for the white fly and 

 found in the appendix of this bulletin should always be on hand. A 

 convenient arrangement for handling the diagram of the grove and 

 the dosage table when fumigating is illustrated by figure 3. This 

 represents a board upon which the position for setting the lantern 

 temporarily, and the positions for attaching diagram of the grove, 

 dosage table, and scratch pad are indicated. For the board a side 

 of an orange box is very satisfactory. This should be strengthened 

 bv two laths nailed across the grain on the rough side. On the 



Fig. 4.— Diagram of regularly set grove in process of fumigation with an outfit of four tents: X, X, 



trees missing. (Original.) 



smooth side at the bottom the diagram of a portion of the grove 

 (fig. 5) should be fastened with thumb tacks. This diagram should 

 include as much of the grove as can be fumigated in any one night 

 and shoidd be dated and preserved after the work for the night has 

 been checked off on the original diagram (figs. 4, 5) of the grove as a 

 whole. Immediately above the diagram the dosage table (fig. 3, C) 

 should be located. If the board is smooth it may be painted white 

 and the table copied thereon with pencil. If the table" is on card- 

 board it may be fastened with thumb tacks. Above the dosage 

 table a scratch pad (fig. 3, B) should be fastened in the upper right- 



