^ptJeOmbe?.hia907?'}      Approved  Proprietary  Preparations,  427 
alcohol  or  in  solutions  of  alkalies.  Tannothymol  is  recommended 
to  be  used  as  an  astringent  in  diarrhoea  in  doses  of  0  5  to  4-00. 
(Phar.  Zeitg.,  1907,  page  534.) 
Vesepgrin. — The  acetic  acid  ester  of  salol  occurs  as  white  crystals 
that  melt  at  970.  The  substance  has  been  recommended  as  an 
antirheumatic  and  urinary  disinfectant.  (Client,  and  Drug.,  June, 
1907,  page  869.) 
Solution  of  Ferrous  Carbonate. — The  Druggists'  Circular  has 
recently  (June,  1907,  page  412)  republished  a  formula  suggested  by 
A.  Kal  (Pharm.  Weekfrl.)  for  a  solution  of  ferrous  carbonate. 
Modified  to  make  it  more  available  for  American  pharmacists,  it 
would  be  as  follows  : 
Iron  lactate  (powdered)    25 
Potassium  and  sodium  tartrate   ,   28 
Potassium  carbonate   13 
Citric  acid     1 
Cinnamon  water  500 
Distilled  water,  to  make   1000 
Dissolve  the  potassium  and  sodium  tartrate  and  the  potassium 
carbonate  in  about  5c  c.c.  of  distilled  water,  add  the  iron  lactate  and 
stir  until  dissolved.  Then  add  the  remaining  portions  of  water  and 
finally  the  citric  acid.  The  resulting  solution  is  a  clear,  dark  green 
liquid  that  contains  approximately  1  per  cent,  of  ferrous  carbonate 
in  solution. 
PROPRIETARY  PREPARATIONS  APPROVED  BY  THE 
COUNCIL  ON  PHARMACY  AND  CHEMISTRY  OF  THE 
AMERICAN  MEDICAL  ASSOCIATION. 
{Continued  from  page  122,) 
EUGALLOL.  . 
A  solution  consisting  of  two  parts  of  monoacetylpyrogallol, 
C6H3(OH)2(CH3COO),  and  one  part  of  acetone. 
Actions  and  Uses. — Eugallol  acts  as  an  energetic  substitute  for 
pyrogallol,  but  is  liable  to  produce  local  irritation  when  applied  to 
the  skin.  It  is  recommended  for  external  use  in  old  and  persistent 
cases  of  psoriasis.  Dosage. — It  is  applied  pure  by  pencilling  once 
a  day,  covering  the  painted  part  with  powdered  zinc  oxide,  suspend- 
