EQUIPMENT FOR FUMIGATING NURSERY STOCK I05. 
Fig. 56. It consists of one large room, 10x 8x7 
feet and two smaller rooms, each 4 x 4 x 7 feet. Only 
one of the smaller rooms is lined. The other one is 
used as a storeroom, in which all chemicals and other 
materials are kept. 
One of the most convenient houses used has a ground 
plan of 12 x 16 feet. It is divided into three sections, as 
FIG. 59—GENERAL PLAN OF FLOOR. (ORIGINAL) 
follows : one large room 12 x 12, and a small room 4 x 
8, with a storeroom 4 x 4 feet. The floor plan and 
general outline of this building are shown in Figs. 57, 
58, and 59. It has a double floor with paper between, 
and a space of one and one-half feet, as shown in the 
diagram, dd, above which there is a slat floor, on a 
level with the bottom of the door, as shown at a and 
6. In the storeroom, c, the floor is solid. In the 
construction of this building the slats should be made 
in sections, so they can be removed. It will be found 
necessary to clean the lower part of the house from 
