3” 
proper precaution can be taken to destroy all weevils by means of 
fumigation with carbon bisulphid. The method was described by the 
writer in Farmers’ Bulletin 209, from which the following is quoted: 
The following plan for this work is proposed: A tight matched-board box 
should be provided having sides 4 feet high, open on top, and of other dimen- 
ba Enlarged 
Vic. 9.—Apparatus for fumigating cotton seed in the sack. (Author's illustration.) 
sions to accommodate 12 or more 100-pound sacks of cotton seed placed upright 
upon the bottom. Another tier of sacks could be added if desired. Into each 
one of these sacks about 1 ounce of carbon bisulphid should be forced by an 
apparatus for volatilizing the liquid and mixing the vapor with air. The ac- 
companying illustration (fig. 9) will give an idea of this apparatus. It should 
consist of three essential parts, as shown in the illustration. A is an air pump 
having sufficient storage capacity to enable it to maintain a steady discharge of 
344 
