30 
BULLETIN 593. U. S. DEPARTMENT OF AGRICULTURE. 
regard to maintaining a better standard of wool. Department Bulle- 
tin 206, The TVoolgrower and the \Yool Trade, may be made a basis 
for such a study. Samples of wool may be brought from the home 
farms or from local warehousemen. It may be possible to secure 
a set of samples showing standard classes and grades from dealers 
Fig. 23. — Sheep arranged for comparative judging. 
or manufacturers. If such are not obtained, the illustrations of the 
bulletin, with the descriptive matter, will prove sufficiently helpful 
to make the work worth while. Each student should be required 
to classify the samples obtained and give written reasons for his 
placing independently. 
