THE  AMERICAN 
JOURNAL  OF  PHARMACY 
♦  PUBLISHED  MONTHLY  BY  -A*"^  « 
AUTHORITY  OF  THE  J  t^. 
Philadelphia  College  of  Pharmacy  and  Science 
A  Record  of  the  Progress  of  Pharmacy 
and  the  Allied  Sciences - 
Publication  Committee 
for  i 921 
CHARLES  H.  LaWALL,  Ph.M.  IVOR  GRIFFITH,  P.D.  Ph.M. 
JOSEPH  W.  ENGLAND,  Ph.M.  JULIUS  W.  STURMER,  Phar.D. 
JOHN  K.  THUM,  Ph.M.  E.  FULLERTON  COOK,  Ph.M. 
ROBERT  P.  FISCHELIS,  B.Sc,  Phar.D. 
EDITORS 
GEORGE  M.  BERINGER,  A.M.,  Ph.M.  (Jan.  to  Mar.,  Inc.) 
IVOR  GRIFFITH,  P.D,  Ph.M.  (Apr.  to  Dec,  Inc.) 
Volume  93 
PHILADELPHIA,  PA. 
1921 
