11K)().] PUBLIC DOCUMt^NT — No. 33. 67 



work, in order to hold in check many who have seeminglj'^ 

 abused the privilege of free analysis. Instructions for secur- 

 ing an analysis are issued in circular form, as follows : — 



Those wishing to secure a sanitary analysis of water must 

 first make application, whereupon a glass bottle securely en- 

 cased, accompanied by full instructions for collecting and ship- 

 ping the sample, will be forwarded by express. The return 

 express must in all cases be prepaid. Because of the smallness 

 of the sum involved, no account Avill be opened. Eemittance 

 by check, P. 0. money order, or money at the owner's risk, 

 must be strictly in advance. 



Address Dr. J. B. Lindsey, 



Hatch Experiment Station, Amherst, Mass. 



The results of the analysis are forwarded on especially 

 prepared blanks, with such additional remarks concerning 

 the condition of the water, and its possible improvement, 

 as is warranted in each case. This station does not make 

 mineral analysis of water, excepting at rare intervals by 

 special arrangement. 



4. Dairy Products and Cattle Feeds. 



This department makes free analyses of milk, cream and 

 cattle feeds for farmers and others, in so far as its resources 

 permit. About the usual number have been received during 

 the year. Many farmers and dairymen desire to know the 

 percentage of fat and total solids in the milk produced by 

 their herd and by individual animals, and send samples to the 

 station for analysis. They are thus enabled to determine the 

 quality of the product placed upon the market, and also 

 the value of the cow for profitable milk production. The 

 quality of the milk shipped to Boston is carefull}' scrutinized 

 by the several contractors, and producers frequently send 

 samples to the station, to ascertain whether their product is 

 conforming to the legal requirements. Parties who have 

 been warned by the contractors, or have had their milk re- 

 fused, likewise forward samples, with requests for informa- 

 tion as to methods of betterment. The station tries to l)e as 

 helpful as possible in all such cases. One creamery sends 



