1913.] PUBLIC DOCUMENT — No. 31. 127 



unnecessary, as tlio experiment station has a large amount of 

 analytical data on file which may apply to the sample sub- 

 mitted. This department will not act in the capacity of a com- 

 mercial chemist, and will use its own discretion in accepting 

 work of this character. 



Miscellaneous ^Yorh. 

 In addition to the work already described, this section has 

 conducted investigations, co-operated with other departments, 

 or made analyses as follows : — 



1. It has arranged and furnished exhibits and speakers in 

 co-operation with the extension department for fairs, farmers' 

 meetings and expositions. 



2. It has co-operated with the Eowkcr Fertilizer Company 

 in making starch determinations on potatoes in connection with 

 the awarding of prizes. 



3. It has co-operated with the agricultural department of the 

 college in making analyses of milk in connection with the 

 aw^arding of prizes at a dairy show held during " farmers' 

 week." 



4. In connection with the experimental work of this and 

 other departments of the experiment station, this section has 

 made analyses of IGO samples of milk, 120 samples of feed and 

 478 samples of agricultural plants. 



Testing Pure-hred Cotus. 

 The work of testing pure-bred cows for entry in the ad- 

 vanced register of the several pure-bred cattle associations con- 

 tinues to increase. During the year, thirteen different men 

 have been used for the IIolstein-Friesian work, and for a greater 

 part of the time three men have l)een employed in the yearly' 

 tests for the Guernsey, Jersey and Ayrshire associations. From 

 Dec. 1, 1910, to Dec. 1, 1911, G9 Guernsey, 94 Jersey and 4 

 Ayrshire tests have been completed. There are now on test 83 

 Guernseys, lOG Jerseys and 10 Ayrshires, located at. 22 dilTer- 

 ent farms. For the IIolstein-Friesian Association there have 

 been completed 124 seven-day tests, 7 thirty-day tests, 2 four- 

 teen-day tests and 1 fifty-seven-day test. 



