DEPARTMENT REPORTS. 



139 



TOBACCO PRODUCTS. 



Only three i-amples were obtained this year. Two of these were found 

 to be slightly below the guarantee for nicotine made by the manufacturer. 

 The amount of deficiency is probably not sufficient to impair their ef- 

 ficiency as insecticides. 



TOBACCO PRODUCTS. 



SMUT REMEDIES. 



Five samples of pioprietaiy mixtu)-es of foi'maklehyde solution pi-e- 

 pared for grain treatment against smut were analyzed. The percentage 

 of formaldehyde was found to vary from 24.9 to 30.6 per cent. The 

 ordinary commercial formaldehyde solution (formalin) should contain 

 36.8 per cent formaldehyde. 



SMUT REMEDIES 



