Plate XXIV. — Details of fumigator construction: 1, Form of fumigator and mov- 

 able braces; C. cyanide holder; 2, method of hinging and arrangement of 

 braces of top; t, triangular rest for lid and peak for cover; 3, underside of 

 top, showing groove to fit frame; 4, method of ripping planks for stiles. 



