4 N. H. EXPERIMENT STATION [Bulletin 186 



After applying the variations found by the above formula 

 to the results of our tests we have simply used the following 

 terms instead of stating the actual figures in the tabulations : 



"Satisfactory," meaning that the difference between our test 

 and the guarantee is within the variation allowed; "Above," 

 meaning that our test, after allowing for the variation, is above 

 the guarantee; "Below," meaning that our test, after allowing 

 for the variation, is below the guarantee. 



In the matter of germination a variation of 5% has been al- 

 lowed in the statement of results and the same terms used as 

 described above for purity. 



The writers desire to acknowledge their appreciation of the 

 careful and efficient work of Miss Alice Fletcher, who assisted 

 in making the tests and examinations of the samples herewith 

 reported. 



