562  Gleanings  from  the  German  Journals.  {Am^ovl'S^arm' 
only  in  small  amount,  thus  again  confirming  the  experience  for  years 
with  salicylate  of  sodium,  that  preparations  of  salicylates  to  remain 
colorless,  must  contain  a  small  amount  of  free  salicylic  acid. — Pharm. 
Zeitg.,  1887,  p.  423. 
Iodol  collodium. — According  to  A.  Bilteryst  (Jour,  de  Pharm. 
d'Anvers,)  a  10  per  cent,  iodol  collodium  is  prepared  as  follows : 
Iodol   10  gm. 
Alcohol   16  " 
Ether   64  " 
Gun  cotton   4  " 
Castor  oil   6  " 
Dissolve  the  iodol  in  the  alcohol  and  ether  previously  mixed,  add 
the  gun  cotton  in  small  portions,  and  after  complete  solution  add  the 
castor  oil.  The  percentage  of  iodol  can  of  course  be  increased  to  any 
desired  amount. — Pharm.  Ztg.,  1887,  p.  488. 
Aquarium  cement. — Litharge,  fine  white  sand,  gypsum,  each  one 
kilo;  finely  powdered  rosin,  350  gm.  Carefully  knead  into  a  paste 
with  linseed  oil,  varnish  and  a  small  quantity  of  dryer.  It  is  fit  for 
use  in  a  few  hours,  and  answers  equally  well  for  salt  or  fresh  water 
tanks.— Ph.  Centralhalle,  1887,  No.  22. 
Remedy  for  loose  teeth. — Quincerot  recommends  the  following 
mixture:  Tannin,  8  parts;  potassium  iodide,  1  part;  tincture  of  iodine 
and  tincture  of  myrrh,  each,  5  parts ;  rose  water,  200  parts.  Teaspoon- 
ful  in  hike- warm  water,  as  a  wash  for  rinsing  the  gums  in  the  morn- 
ing.— Pharm.  Centralhalle,  1887,  p.  398. 
Tar  troches  without  sugar. — Mayet,  (Joum.  de  Ph.  et  de  Ch.,  J  887, 
I,  491,  gives  the  following :  ^Norwegian  tar,  2  gm. ;  sodium  bicarb.,  18 
gm. ;  calcium  phosphate,  18  gm.;  oil  of  anise,  5  drops.  Make  100 
troches.    Each  contains  0*02  of  tar. — Phar.  Zeitung,  p.  305. 
Preservation  of  aromatic  waters — To  prevent  the  mouldy  smell  and 
taste  and  loss  of  aroma,  which  follow  when  aromatic  waters,  particu- 
larly rose  and  orange-flower  water,  are  kept  in  the  cellar  for  some  time, 
E.  Kraft  recommends  the  cork  of  the  container  to  be  provided  with  a 
small  opening,  1  mm.  wide,  in  the  centre,  to  admit  the  atmospheric 
air.  Medicated  waters  kept  in  this  way  will  never  spoil. — Phar.  Zei- 
tung, p.  311. 
Stains  of  Iodine. — Sulphide  of  sodium,  or  sodium  sulphydrate,  in  a 
ten  or  twenty  per  cent,  watery  solution,  applied  upon  a  compress,  will  re- 
move the  stain  of  iodine  from  the  skin  and  allay  its  irritant  action  when  ex- 
cessive.— Philadelphia  Medical  Times. 
