December, 1923] results oe seed tests, 1923 3 



desirable strains of imported clovers for the use of the 

 American farmers and the adulterating of Kentucky 

 blue-grass with the cheaper Canada blue-grass. Some 

 seeds get into the channels of trade which are poor due 

 to age, improper storage, etc., but in general the farmer's 

 interests are fairly well protected today and will con- 

 tinue to get better insurance as the equipment of our 

 laboratories and methods of analyzing are perfected. 



Erratum 



Immediately following the publication of our last 

 seed bulletin Messrs. Thompson and Hoague asked for 

 exhaustive re-examinations in regard to the germination 

 of sample No. 3929 on page 13, reported below guarantee. 

 The duplicate sample left with Thompson and Hoague 

 by the collector was taken over by the Commissioner 

 of Agriculture and a portion retested by our laboratory. 

 Tested side by side with our original sample, this dupli- 

 cate showed an improvement of some 15 per cent. 

 Probably our original sample had been subject to 

 damage in some way either in transit or in our labora- 

 tory. No one recognizes better than the seed analyst 

 the possibilities of error in this work, and for this reason, 

 particularly, we leave with the vender a duplicate sealed 

 sample and we send out advance sheets covering the 

 reports as they will later be printed in the bulletin. 

 Obvious errors should be called to our attention on re- 

 ceipt of the advance reports to eliminate the difficulty 

 or impossibility of making changes in the bulletin. 

 Sample before mentioned should have been marked 

 "satisfactory." Changing the bulletin at the time the 

 error was discovered would have been practically im- 

 possible. 



