10 



Samples should be forwarded by mail or prepaid express, addressed 

 as follows, and the Bureau notified by letter of the shipment of the 

 samples : 



BUREAU OF CHEMISTRY, 



U. S. Department of Agriculture, 



Washington, D. G. 

 LEATHER AND PAPER LABORATORY. 



Attention is called to the fact that examinations can not be made 

 for individuals, manufacturers, or dealers. 



F. P. VEITCH, 

 Chief, Leather and Paper Laboratory. 



lCir.34] 



o 



