52 a EXPERIMENT STATION. [Jan. 



4. Numerical Summary of Substances examined ix the 

 Chemical Laboratory. 

 The following substances have been received and examined : 

 93 samples of water, 305 milk, 1,452 cream, 3 ice cream, 2 

 butter, 191 feedstuff s, 149 fertilizers and fertilizer refuse ma- 

 terials, 72 soils, 19 lime products, 22 plant ash and 6 miscel- 

 laneous. There have also been examined in connection with 

 experiments in progress by the several departments of the 

 station, 167 samples of milk and cream, 193 cattle feeds and 

 352 agricultural plants. In connection with the control work, 

 there have been collected 1,299 samples of fertilizer and 1,115 

 samples of feedstuffs. In addition, 30 samples of coal have 

 been analyzed by the research section for the college heating- 

 plant. The total for the year was 5,470. This does not include 

 the work of the research section, where many analyses are made 

 in connection with research problems, nor the work imder the 

 dairy law already reported. 



5. Correspondence. 

 The number of letters sent out during the year is about 5,000. 

 The larger part of the correspondence is devoted to work in con- . 

 nection with our several inspection laws. A considerable 

 amount of time, however, is devoted to the answering of special 

 inquiries from the farmers of this State. 



