486 
MINUTES  OF  THE 
IT.  S.  P.5)  is  a  desideratum,  with  a  view  to  its  convenient  use  as  a  Tseni- 
fuge  remedy.    What  is  the  best,  with  a  formula  ? 
Accepted  by  J.  S.  Higgins. 
Query  11th. — What  is  the  most  convenient  form  of  apparatus  adapted 
to  common  use,  for  regulating  the  temperature  at  or  below  160°,  140°, 
and  120°  respectively,  as  directed  in  the  evaporation  of  some  of  the  offi- 
cinal extracts  ? 
Accepted  by  P.  W.  Bedford. 
Query  12th. — What  are  the  causes  of  the  decomposition  of  the  Syrups 
and  other  Vegetable  solutions,  the  best  precautions  to  prevent  it,  and 
the  best  means  of  restoring  such  preparations  which  have  deteriorated  ? 
Accepted  by  E.  S.  Wayne. 
Query  13th. — In  what  preparations  may  Glycerin  be  used  to  prevent 
the  deposition  of  apotheme?  What  is  the  minimum  quantity  that  will  an- 
swer the  purpose,  and  will  such  preparations  bear  dilution  ? 
Accepted  by  A.  B.  Taylor. 
Query  14th. — How  far  is  Glycerin  capable  of  substituting  Alcohol  in 
extracting  drugs  for  pharmaceutical  preparations  ?    Would  such  substi- 
tution be  economical  ? 
Accepted  by  W.  J.  M.  Gordon. 
Query  15th. — Is  the  cultivated  Valerian,  produced  in  New  England, 
of  equal  quality  with  that  imported  from  England  and  Germany,  and  are 
there  any  characteristic  differences  by  which  they  may  be  distinguished  ? 
Accepted  by  G.  F.  H.  Markoe. 
Query  16th. — The  so-called  Naphtha  or  Benzine  derived  from  the  recti- 
fication of  coal  oil  is  very  variable  in  properties.    How  far  do  these  prop- 
erties fit  it  for  use  in  Pharmacy,  and  what  are  the  relations,  if  any,  of 
specific  gravity  and  solubility  among  these  hydro-carbons  ? 
Accepted  by  A.  P.  Sharp. 
Query  17th. — What  indigenous  articles  of  the  Materia  Medica  can  be 
properly  and  profitably  cultivated  ? 
Accepted  by  W.  G.  Merrill. 
There  being  now  no  especial  business  before  the  meeting  the 
answers  to  queries,  proposed  at  the  last  meeting,  were  called  for, 
and  the  reading  of  such  as  had  been  answered  proceeded  with. 
Query  20th. — What  are  the  best  vessels  in  which  to  dispense  ointments 
and  cerates,  combining  fitness  with  elegance  and  accuracy ;  and  what  is 
the  best  plan  for  keeping  this  class  of  preparations  in  the  dispensing 
shop,  so  as  to  retard  their  tendency  to  oxidation  ? 
Mr.  Thompson,  of  Baltimore,  explained  by  letter  why  he  had 
not  answered  this  query.    On  motion  it  was  continued  to  him. 
Query  21st. — Maruta  cotula  and  Leucanthemum  vulgare  are  exten 
