436 
MINUTES  OF  THE 
Query  12th. — An  essay  on  Podophyllum  Peltatum,  chemical  and  thera- 
peutical, which  shall  settle  the  questions  now  pending,  relative  to  its 
active  principle  or  principles.  For  general  acceptance. 
Query  13th. — Is  Commercial  Extract  of  Quassia  made  by  the  U.  S.  P. 
process ;  if  not,  by  what  process ;  and  can  the  former  process  be 
advantageously  revised  ? 
Accepted  by  Edward  G.  Jones,  of  Philadelphia. 
Query  14th. — How  far  may  Alcohol  and  Ether  be  substituted  by  other 
liquids,  in  the  preparation  of  the  officinal  oleo-resins,  without  detriment 
to  these  products  ? 
Accepted  by  Henry  N.  Rittenhouse,  of  Philadelphia. 
Query  15th. — Cotton  root  is  said  to  be  an  efficient  Emenagogue,  and 
cottonseed  to  have  proved  effectual  in  treating  intermittent  fever ;  do 
these  portions  of  the  Gossypium  possess  active  principles? 
Accepted  by  E.  W.  Sackrider,  of  Cleveland. 
Query  16th. — In  the  destructive  distillation  of  Tobacco,  by  the  process 
of  the  U.  S.  Pharmacopoeia,  to  get  the  Empyreumatic  Oil,  Malate  of  Nico- 
tina  has  to  be  decomposed.  v_aia  a  better  preparation  be  obtained  by 
liberating  the  Nicotina  with  a  sufficient  quantity  of  potassa  before  distil- 
lation, reducing  the  heat  to  the  minimum  degree  necessary  to  extract  the 
alkaloid  ?  For  general  acceptance. 
Query  17th. — Is  the  Volatile  Oil  of  Chenopodium  anthelminticum  the 
only  active  principle  it  contains  having  vermifuge  properties? 
Accepted  by  Thos.  S.  Wiegand. 
Query  18th. —An  essay  on  Sassafras  Officinale,  embracing  the  whole 
plant  in  its  relations  to  Chemistry  and  Pharmacy. 
Accepted  by  William  Procter,  Jr.,  of  Philadelphia. 
Query  19th. — What  is  the  best  formula  for  a  granular  effervescent 
Citrate  of  Magnesia,  which  shall  be  permanent,  readily  soluble  in  water 
and  suitable  for  general  use?    Accepted  by  James  W.  Mill,  of  Chicago. 
Query  20th. — What  is  the  best  means  by  which  Cinchona  may  be 
deprived  of  Cinchotannic  Acid,  so  that  its  alkaloids,  in  the. form  of 
kinates,  may  be  obtained  in  a  permanent  liquid  form  ? 
Accepted  by  William  Procter,  Jr.,  of  Philadelphia. 
Query  21st. — Oleum  Erigeroutis  Canadensis  is  considered  to  be  the 
active  principle  of  the  Canada  Heabane  ;  is  this  correct,  or  is  there 
another  fixed  principle  possessing  medical  properties? 
For  general  acceptance. 
Query  22d. — What  improvements  can  be  suggested  in  the  preparation 
of  the  Officinal  Syrup  of  Lactucarium  ? 
Accepted  by  P.  W.  Bedford,  of  New  York. 
Query  23d. — Why  should  not  Lactucarium  be  produced  in  the  United 
States  in  sufficient  abundance  and  cheapness  to  supply  all  our  wants  ; 
and  what  are  the  best  practical  suggestions  for  its  culture  and  prepa- 
ration? Accepted  by  Alfred  Mellor,  of  Philadelphia. 
Query  24th. — To  what  principle  does  Scutellaria  lateriflora  owe  its 
medical  properties  ?  Accepted  by  G.  F.  H.  Markoe. 
Query  25th. — What  is  the  best  process  of  benzinating  lard  and  simple 
ointments  ;  can  benzinated  lard  be  employed  for  mercurial  ointment,  so 
as  to  prevent  its  strong  tendency  to  become  rancid,  without. hurting  its 
medical  qualities,  and  in  what  other  ointments  may  this  form  of  lard  be 
advantageously  used  ?  Accepted  by  Thomas  Dolibar,  of  Boston. 
