^"■jan",''ir8o*""  }  Gleanings  from  the  German  Journals,  1 3, 
filtrate  on  a  water-bath  and  allowing  the  remaining  brownish  syrup  to 
crystallize;  most  of  the  acid  separated  in  well-defined  rhombic  prisms,, 
which  with  lead,  formed  an  entirely  white  salt.  Stein  believes  that  all 
Droseraceae  contain  citric  acid. — Pharm.  Ztg.^  Oct.,  22,  1879,  p.  654, 
from  Ber,  d.  Deutsch.  Chem.  Ges.^  1879. 
Disguising  the  Odor  of  Iodoform  (see  also  "Am.  Jour.  Pharm.," 
1879,  p.  190). — The  addition  of  oil  of  peppermint  was  successfully 
resorted  to  by  V^ulpius.  Dr.  Lindemann  prefers  oil  of  cloves  and 
balsam  of  Peru,  and  prescribes  2  parts  of  the  balsam  to  i  pint  of  iodo- 
form. Iodoform  ointment  is  prepared  either  with  lard,  glycerin  oint- 
ment, or  soft  paraflin,  and  a  liquid  preparation  is  made  with  glycerin, 
alcohol  or  collodion,  as  follows  : 
R  Iodoform,      .  .  .      i*o    Or,  R  Iodoform,      .  .  .10 
Balsam  of  Peru,  .  .  2  0  Balsam  of  Peru,  .  3*0 
Lard  (or  glycerin  ointment  or  Alcohol  (or  glycerin  or  collo- 
soft  paraffin),       .  .      8  0  dion),      .  .  .  12*0 
Mix,  in  both  cases,  the  iodoform  first  with  the  balsam  and  then  add 
the  vehicle. — Pharm.  Ztg.^  Oct.  25,  1879,  p.  663,  from  Jllg,  Med,. 
Central  Xtg. 
Use  of  Pepsin. — Finzelberg  has  observed  that  quinia,  digitalis,  the 
mineral  acids  and  other  medicines,  when  combined  with  pepsin,  may  be 
given  for  a  long  time  without  impairing  the  digestive  apparatus.  In 
order  to  prevent  the  injurious  effects  of  acid  liquids  upon  the  teeth  the 
desired  dose  of  pepsin  is  placed  on  a  wafer  and  a  little  cavity  is  pressed 
into  it  with  the  finger,  into  this  the  acid  is  dropped  and  covered  with  a 
little  pepsin,  after  which  the  wafer  is  closed  and  taken  as  usual. 
Quinia-pepsin  powders  may  be  prepared  in  the  same  manner  with  acid, 
the  eflBcacy  of  the  quinia,  as  well  as  that  of  the  pepsin,  being  increased^ 
by  the  addition  of  the  acid. — Pharm,  Ztg.^  Oct.  25,  1879,  p.  663. 
Dialyzed  Soap. — The  solid  opodeldoc,  officinal  in  the  German 
Pharmocopoeia,  frequently  separates  star- shaped  crystals  after  standing 
for  some  time.  E.  Dieterich  believes  this  to  be  due  to  the  crystallizable 
salts  present  in  every  soap,  and  obviates  the  difficulty  by  dialysis,  by 
suspending  parchment-paper  bags,  containing  a  concentrated  solution  of 
soap,  in  hot  water  for  some  days,  then  evaporating  the  water  used  in 
dissolving,  and  drying  the  soaps  ;  the  latter  are  then  used  by  the  author 
for  opodeldoc  in  the  proportion  of  16  grams  of  dialyzed  oil-tallow  soap,. 
