(36 HATCH EXPERBIENT STATION. [Ji 



m. 



Pakt I. — The Work of the Year. 



J. B. LINDSEY. 



1. Correspondence. 

 The answering of inquiries relative to feeding and dairy 

 problems has continued to be a feature of the correspondence 

 of this department. Grain dealers appear desirous of being 

 well posted on the various feed stuffs in the market, and are 

 constantly writing for information. The total number of 

 letters of all kinds sent out during the year was approxi- 

 mately 3,600. 



2. Summary of Laboratory Work. 



The usual variety of chemical work has been carried out 

 during the year. 



There have been sent in for examination 102 sam})les of 

 water, 792 of milk, 1,717 of cream, 5 of butter, 191 of feed 

 stuffs and 6 miscellaneous. In connection wuth experiments 

 by this and other divisions of the station, there have been 

 analyzed, in whole or in part, 236 sam})les of milk and 

 cream and 142 of fodders and feed stuffs. This makes a 

 total of 4,042 substances analyzed during the year, as against 

 4,261 last year and 3,897 in the previous year. Work on 

 the determination of sulphur in organic bodies, and nitrogen 

 compounds in cheese, not included in the above, has been 

 done^or the Association of Official Agricultural Chemists. 

 In addition, 13 candidates have been examined and given 

 certilicates to operate Babcock machines, and 1,665 pieces 

 of glasswan^ have been tested for accuracy, of which 197 

 pieces, or 11.83 per cent., were condemned. 



3. Water Analysis, 



The experiment station has made a feature of sanitary 

 water analysis since its establishment in 1882. Within a 

 few years a charge of $3 a sample has been placed ui)on this 



