606  Comparison  of  Galenical  Preparations.  {^'"'Dec^^sss*'^™' 
glycerin  and  water,  50  parts,  olive  oil  50  parts ;  several  hours  after 
the  ointment  has  been  made,  it  is  to  be  again  well  stirred.    P.  G, 
Unguentum  Hydrargyria  U.  S.  Unguentum  Hydrargyri  cinereum, 
P.  G. — Mix  mercury  450  parts,  compound  tincture  of  benzoin  40 
parts,  and  mercurial  ointment  100  parts;  then  add  a  partially  cooled 
mixture  of  suet  and  lard,  each  225  parts.  U.  8. — Melt  together  lard 
390  parts,  and  suet  210  parts;  with  90  parts  of  the  fat  incorporate 
300  parts  of  mercury,  and  add  the  remainder  of  the  fat.  P.  G. — The 
ointment  contains  one-half,  U.  8.,  one-third,  P.  G.,  its  weight  of  mer- 
cury, and  metallic  globules  should  not  be  visible  with  the  naked  eye, 
P.  G.,  under  a  magnifying  power  of  ten  diameters,  U.  8. 
Unguentum  Hydrargyri  ammoniatum,  U,  8.  Unguentum  Hydrar- 
gyri album,  P.  G. — Ammoniated  mercury  10  parts,  benzoinated  lard, 
U.  8.,  paraffin  ointment,  P.  G.,  90  parts. 
Unguentum  Hydrargyri  Oxidi  rubri,  U.  8.  Unguentum  Hydrar- 
gyri rubrum,  P.  G. — The  strength  is  identical,  but  the  base  is  oint- 
ment, U  8.,  paraffin  ointment,  P.  G. 
Unguentum  Flumbi  Carbonatis,  U.  8.  Unguentum  Cerussse,  P.  G. 
— Lead  carbonate  10  parts,  benzoinated  lard  90  parts,  U.  8. — Lead 
carbonate  30  parts,  paraffin  ointment  70  parts,  P.  G. 
Unguentum  Potassii  lodidi,  U.  8.  Unguentum  Kalii  jodati,  P.  G. 
— Potassium  iodide  12  parts,  sodium  hyposulphite  1  part,  boiling 
water  6  parts,  benzoinated  lard  81  parts,  U.  8. — Potassium  iodide  10 
parts,  water  5  parts,  paraffin  ointment  85  parts,  P.  G. 
Unguentum  Zinci  Oxidi,  U.  8.  Unguentum  Zinci,  P.  G. — Oxide 
of  zinc  20  parts,  benzoinated  lard  80  parts,  U  8. — Commercial  oxide 
of  zinc  10  parts,  lard  90  parts,  P.  G. 
Vinum  Antimonii,  U  /S'.Yinum  stibiatum,  P.  G. — Practically  iden- 
tical ;  the  menstruum  is  stronger  white  wine,  U.  8.,  sherry  wine,  P.  G. 
Vinum  Colchici  8eminis,  U.8.  Yinum  Colchici,  P.  G. — Colchicum 
seed  15  parts,  strongor  white  wine  sufficient  for  100  parts,  U.  8. — Col- 
chicum seed  10  parts,  sherry  wine  109  parts,  P.  G. 
Vinum  Ipecacuanhce,  U.  8.,  P.  G. — Fluid  extract  of  ipecac.  7  parts, 
stronger  white  wine  93  parts,  U.  8. — Ipecac.  10  parts,  sherry  wine  100 
parts,  P.  G. 
Vinum  Opii,  U  8.  Tinctura  Opii  crocata,  P.  G. — Powdered  opium 
10  parts,  cinnamon  and  cloves  each  1  part,  stronger  white  wine  suffi- 
cient for  100  parts,  U.  8. — Powdered  opium  10  parts,  saffron  3 J  parts, 
