'^"'Feb.^ifss^'""'}        jP^w^'c?  Extract  of  Caulophyllum.  73 
lightly  in  a  conical  percolator.  Cover  with  a  layer  of  several  inches 
with  a  menstruum  of 
Glycerin  25  c.c. 
Water    75  cc. 
Alcohol  100  c.c. 
Tightly  cork  the  lower  orifice  of  the  percolator  and  allow^  to  mace- 
rate for  24  hours.  Then  continue  the  percolation  reserving  the  first 
125  c.c.  of  percolate.  Continue  the  percolation,  using  diluted  alcohol, 
until  the  lactucarium  is  extracted.  Evaporate  this  tincture  in  the 
water-bath  at  a  moderate  temperature  (about  160°  F.)  to  75  c.c.  and 
mix  with  the  reserved  portion.  Filter  and  add  enough  diluted  alco- 
hol through  the  filter  to  make  the  finished  product  measure  200  c.c. 
To  prepare  the  syrup, 
Take  of 
Concentrated  tincture  of  lactucarium  ,  10  gms. 
Syrup  90  gms. 
Mix. 
The  samples  of  syrup  and  of  the  concentrated  tincture  submitted 
were  prepared  in  May  1887,  since  w^hich  time  they  have  remained 
in  the  same  vials  and  have  not  been  filtered.  I  submit  another  sample 
of  syrup  made  at  the  same  time,  as  follow^s  : 
Concentrated  tincture  of  lactucarium    10  gms. 
Glycerin  10  gms. 
Syrup  ,  80  gms. 
Mix. 
FLUID  EXTRACT  OF  CAULOPHYLLUM. 
Contribution  from  the  Pharmaceutical  Laboratory,  Philadelphia  College  of 
Pharmacy. 
By  J.  H.  BuNTiNCx. 
Read  at  the  Pharmaceutical  Meeting,  January  17. 
Different  menstrua  were  used  on  four  portions  of  caulophyllum^ 
each  of  8 J  ounces  avoirdupois,  in  jN^o.  60  powder,  and  the  resulting 
products  were  numbered  one,  two,  three  and  four  respectively. 
Dilute  alcohol  was  used  in  No.  1.  After  moistening  the  drug  it 
was  firmly  packed  in  a  cylindrical  percolator  and  sufficient  menstruum 
was  added  to  saturate  the  pow^der  and  leave  a  stratum  above.  When 
the  liquid  began  to  drop,  the  lower  orifice  was  closed,  the  percolator 
