n6  Approved  Proprietary  Preparations.  {AmMi°rch,i907.rm' 
BROMIPIN  331/    PER  CENT. 
A  331/  per  cent,  brominized  sesame  oil.  Manufactured  by  E. 
Merck,  Darmstadt.    (Merck  &  Co.,  New  York.) 
BUTYL-CHLORAL  HYDRATE. 
Actions  and  Uses. — Its  action  is  similar  to  that  of  chloral,  except 
that  it  is  said  to  be  less  depressing  and  more  analgetic.  It  has  been 
especially  recommended  for  facial  neuralgia.  Dosage. — 0-3  to  1-3 
grammes  (5  to  20  grains). 
CALCIUM  ICHTHYOL. 
A  derivative  of  ichthyol  in  which  calcium  is  substituted  for  am- 
monium. Manufactured  by  the  Ichthyol  Company,  Hamburg. 
(Merck  &  Co.,  New  York.) 
CALOMELOL. 
A  soluble  colloidal  form  of  calomel,  containing  albuminoids. 
Actions  and  Uses. — Its  action  is  the  same  as  that  of  calomel,  but 
it  is  claimed  to  be  superior  because  of  its  solubility  in  water,  acting 
more  rapidly  and  efficiently.  Calomelol  is  claimed  to  be  non-irri- 
tant and  particularly  non- toxic.  The  indications  for  its  use  are  the 
same  as  for  calomel.  Dosage. — Internally  the  same  as  calomel. 
Externally  it  is  used  as  a  dusting  powder,  mixed  with  an  equal 
quantity  of  starch  or  of  a  mixture  of  starch  and  zinc  oxide,  or  in 
the  form  of  calomelol  ointment.  It  should  be  guarded  from  the 
light.    Manufactured  by  the  Heyden  Chemical  Works,  New  York. 
CALOMELOL  OINTMENT. 
Actions  and  Uses. — It  is  a  substitute  for  mercurial  ointment,  over 
which  it  has  the  advantage  of  cleanliness,  and  it  is  claimed  to  be 
distinctly  superior  as  an  inunction  in  syphilis,  etc.  Dosage. — 6 
grammes  (90  grains)  daily  for  inunction  in  syphilis.  Manufactured 
by  the  Heyden  Chemical  Works,  New  York. 
CASCARA  EVACUANT. 
A  preparation  said  to  contain  a  bitterless  glucoside,  obtained  from 
the  bark  of  Rhamnus  Purshiana}  with  aromatics. 
Actions  and  Uses. — It  is  claimed  that  this  preparation  possesses 
the  laxative  properties  of  cascara  sagrada  without  the  bitterness 
