AMERICAN  PHARMACEUTICAL  ASSOCIATION. 
489 
21.  An  essay  on  the  actual  merits  of  Sanguinaria  as  a  therapeutic  agent 
based  on  trials  with  Sanguinarina  and  its  salts  ;  and  its  claims  to  a  promi- 
nent position  in  the  Materia  Medica. 
Referred  to  Prof.  Robert  P.  Thomas,  of  Philadelphia* 
22.  An  essay  on  Fluid  Extracts — as  regards  their  preparation,  per- 
manence, and  eligibility  as  officinal  preparations. 
Accepted  by  William  Procter,  Jr.,  of  Philadelphia. 
23.  What  are  the  relative  merits  of  White  and  Black  Mustard  for  use 
as  Sinapisms.  Accepted  by  Prof.  J.  Faris  Moore,  of  Baltimore. 
24.  On  the  pharmaceutical  preparations  of  the  Strychnaceee  (NuxV  omica, 
Ignatia  Amara,  &c.,)  and  on  the  methods  in  use  for  the  extraction  of  their 
active  principles.       Accepted  by  Prof.  Ferd.  F.  Mayer,  of  New  York. 
25.  What  is  the  constitution  of  the  several  impure  Oxides  of  Iron 
used  in  medicine  (as  Sub-Carbonate,  Iron  Bust,  &c.,)  now  in  the  market. 
Accepted  by  Ferris  Bringhurst,  of  Wilmington,  Del, 
26.  What  are  the  best  methods  of  detecting  the  adulterations  of  olive 
oil?  Accepted  by  Jonas  Winter,  of  Baltimore. 
27.  Do  any  of  the  samples  of  sulphuric  and  other  mineral  acids  of 
American  origin  contain  appreciable  amounts  of  Arsenic  ? 
Accepted  by  Prof.  John  M.  Maisch,  of  Brooklyn,  N..  Y- 
28.  The  green  sand  or  marl  of  New  Jersey,  according  to  analysis,  con- 
tains among  other  constituents  from  10  to  12  per  cent,  of  potassa. 
Query.  Can  this  potassa  be  economically  extracted  sufficiently  pure 
for  pharmaceutical  and  commercial  use,  so  as  to  compete  in  price 
with  that  derived  from  wood  ashes? 
Accepted  by  George  J.  Scattergood,  of  Philadelphia  . 
29.  Is  the  process  of  dialysis  applicable  in  Pharmacy  ?  If  so,  in  what  in- 
stances may  it  be  employed. 
Accepted  by  William  Procter,  Jr.,  of  Philadelphia. 
30.  Observations  on  the  "  Internal  Revenue  Law,"  in  its  relations  to  the 
business  of  the  druggist  and  apothecary. 
Accepted  by  Edward  Parrish,  of  Philadelphia. 
The  Committee  also  recommend  the  adoption  by  the  Association  of  the 
following  as  prize  essays  for  general  competition  ;  the  prizes  to  be  adjudged 
by  a  Committee  to  be  appointed  by  the  Association  at  its  meeting  in 
1864. 
