SEEVICES IN COTTON MABKETING 
13 
order of March 3, 1926, effective August 1, 1927, standards were pro- 
mulgated for extra white cotton such as that grown in the south- 
west section of the United States. 
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Fig. 5. — Practical form of the universal standard for the grade of Middling. In 
the upper half is a photograph inserted in the cover of the box to verifv the 
preparation of the cotton and the position of the leaf. At the bottom of the 
photograph is the seal of the Department of Agriculture and the certificate and 
signature of the Secretary- Standards for the other grades and for color are 
represented in the same manner. 
To make the standard for grade and color usable, types are made 
up to match the standard as nearly as is humanly possible to do so. 
Each grade box (fig. 5) contains 12 samples which show the extreme 
range of the grade for the factors which make it. In so far as 
