Authority to use for comment the Pharmacopoeia of the United States of 
America, Eighth Decennial Revision, in this volume, has been granted by 
the Board of Trustees of the United States Pharmacopoeial Convention, 
which Board of Trustees is in no way responsible for the accuracy of any 
translation of the oflB.cial weights and measures, or for any statements as 
to strength of official preparations. 
( 2 ) 
