^™  06*^^883  *^"''}        Comparison  of  Galenical  Preparations.  603 
parts  of  filtrate,  and  dissolve  in  it  60  parts  of  sugar.  U.  S. — Senna 
10  parts,  fennel  1  part,  alcohol  (sp.  gr.  -832)  5  parts,  water  45  parts  r 
digest  for  20  minutes,  strain  without  expressing,  and  in  35  parts  of  the 
filtrate  dissolve  65  parts  of  sugar.  P.  G. — The  proportion  of  senna 
represented  is  about  as  5:1. 
Tincturce. — The  tinctures  of  the  German  Pharmacopoeia  are  mostly 
made  by  maceration  for  a  week  at  about  15°C.  (59°F.) ;  the  liquid 
retained  by  the  drug  is  not  recovered.  The  spirit  used  has  the  spec, 
grav.  •830--834;  the  diluted  spirit  is  •892--896. 
Tinctura  Aconiti,  U.  S.,  P.  G. — Aconite  root  40,  tartaric  acid  '4,. 
alcohol  sufficient  for  100  parts.  U.  S. — Aconite  root  10,  diluted  spirit 
100  parts.    P.  G. 
Tinctura  Aloes,  U.  S.,  P.  G. — Purified  Socotrine  aloes  10,  liquorice 
10,  diluted  alcohol  sufficient  for  100  parts.  U.  S. — Cape  aloes  20,, 
spirit  100  parts.    P.  G. 
Tinctura  Arnicce  Florum,  U.  S,  Tinctura  Arnicse,  P.  G. — Arnica 
flowers  20,  diluted  alcohol  sufficient  for  100  parts.  U.  S. — Arnica, 
flowers  10,  diluted  spirit  100  parts.    P.  G. 
Tinctura  Asafoetidce,  U.  S.    Tinctura  Asse  foetidse,  P.  G. — Alike. 
Tinetura  Aurantii  amari,  U.  S.  Tinctura  Aurantii,  P.  G. — Bitter 
orange  peel  20,  diluted  alcohol  sufficient  for  100  parts.  U.  S. — Bitter 
orange  peel  20,  diluted  spirit  100  parts.    P.  G. 
Tinctura  Benzoini,  U.  S.    Tinctura  Benzoes,  P.  G. — Alike. 
Tinctura  Cannabis  Indicce,  U.  S.,  P.  G. — Indian  cannabis  20,  alco- 
hol sufficient  for  100  parts.  U.  S. — Extract  of  Indian  cannabis  5,. 
spirit  95  parts.  P.  G. — Since  20  parts  of  gunjah  yield  about  2J  parts 
of  extract,  the  U.  S.  preparation  is  of  about  one-half  the  strength  of 
the  latter. 
Tinctura  Cantharidis,  U.  S.  Tinctura  Cantharidum,  P.  G. — Can- 
tharides  5,  alcohol  sufficient  for  100  parts.  U.S. — Cantharides  10,. 
spirit  100  parts.  P.  G. — This,  like  the  next,  is  of  double  the  strength 
of  the  U.  S.  Pharmacopoeia. 
Tinctura  Capsici,  U.  S.,  P.  G. — Capsicum  5  parts,  alcohol  (19  p.) 
and  water  (1  p.)  sufficient  to  make  100  parts.  U.  S. — Capsicum  10,. 
spirit  100  parts.    P.  G. 
Tinctura  Cinchonce,  U.  S.  Tinctura  Chinse,  P.  G. — Yellow  cin- 
chona 20  parts,  glycerin  10  parts,  alcohol  and  water  (in  the  proportion 
of  13  :  5)  sufficient  to  make  IOC  parts.     U.  S. — Red  or  other  cin- 
