EXPERIMENT STATION REPORTS. 161 



of chemicals for making honey or maple syrup vinegar. Of the batches of 

 chemicals, 53 were for making honey vinegar, and 2 for maple and 1 for 

 molasses vinegar. Most of the honey vinegar cultures were sent out of the 

 state. In addition potassium metabisulfite was sent to two different people 

 to aid in controlling of fermentations. 



The increase in requests for vinegar cultures appears to be due largely to 

 timely articles on vinegar which have been published in the quarterly bulletin, 

 or to reviews of Special Bulletin No. 98 on "Vinegar" pubUshed in various 

 farm papers. A considerable number of the requests for honey vinegar have 

 resulted from the publicity gained by an article entitled ''Profit in Honey Vine- 

 gar," written by R. H. Kclty of the Entomological section and published in 

 the November, 1920 number of "Gleanings in Bee Culture". 



Requests for vinegar cultures were received from 53 counties this year as 

 against 26 counties last year ; thirty four of the 53 counties ordered no cultures 

 last year, while only 7 of those obtaining cultures last year, failed to send in 

 a request this year. This makes an increase of 27 counties or one more than 

 double the number of counties reachect by the quarterl}^ bulletin and other 

 advertising methods this year. Of the 293 requests, 196 came from Michigan 

 counties, and 97 were from other states and from Canada. 



The table follows : 

 21 



