CHEMICAL SECTION. 
21 
Circular of the Chemical Section. 
The Station is prepared to analyze and test fertilizers, 
cattle food, soils, milk, butter, water and other agricultural 
materials and products, and to give information on various 
subjects of agricultural science, for the use and advantage of 
the citizens ot Colorado. 
The Station makes these analyses free of charge for the 
citizens of Colorado, only on the following conditions : 
1. That the results are of use to the public, and are free 
to be published as a part of the Station report. 
2. That all questions in regard to the articles will be 
truthfully answered by the party or parties sending them. 
3. That the sample be selected according to the instruc¬ 
tions of the Station for sampling the same, and the person 
sending it sign the certificate. 
Work done for individual benefit will be charged for at 
moderate rates. 
All other chemical work proper to the Experiment Sta¬ 
tion, that can be used for the public benefit, will be made 
free of charge. 
The Station will undertake no work, the result5of which 
are not at its disposal to use or publish, if deemed advisable 
for the public good. 
Results of analyses or investigations that are of general 
interest will be published in bulletins, and can be obtained 
of the Secretary, Hon. Frank J. Annis, Fort Collins, 
Colorado. 
INSTRUCTIONS FOR PROCURING SAMPLES. 
Samples of water to be analyzed should be, for ordinary 
water analysis, one gallon ; for mineral analysis, three gallons 
