546  EmuLsion  of  Oil  of  Chenopodium.  {'^x?v''iS*™' 
lire  the  liquid,  and  add  sufficient  water  to  make  one  quart.  AHt  bv 
agitation.  Ti.\-  :  :::::  :7.rr.:?he=  a  milk  white  emidsion,  rather  thin- 
ner than  5j/^r  pr-rpara:!  :!.-  a  -imilar  composition^  and,  owing  to 
the  small  quantity  of  oil  present,  necessitating  less  acacia.  The  emul- 
sion i^  ■  not  crack,"  and  possesses  the  c-dor  and  taste 
of  the  .      ;          p  aium,  but  slightlv  modified. 
^Mixtures  were  made  of  this  emulsion  with  the  volatile  oils  of 
almond,  gaultheria.  coriander,  staranise,  cloves,  allspice,  lemon  and 
orange  peel  in  various  proportions ;  also  with  purified  extract  of  hc- 
oii'  r.  >a :  harin.  yerba  santa  and  celerv  seed.  Xone  would  afibrd  a 
pala:a  ;  .  :  prrv  aratiMn.  but  licorice  and  celery  seed  greatly  improved 
th-  1  :  ;  .  _  .  a::d  the  following  modifie^d  formula  is  suggested, 
as  I  t-:  ^TT::a_  'C:  :  :  eet  in  view: 
Ce:-:  
P    ^  :  licorice-   gi. 
'       -   i  -r.     :  lum,   nt  xxx. 
ji-  ::  alii^ond  .expressed)-.  
 -  
^^'^■-^-^i   5iv. 
Mix  tlie  seel  with  the  exn-act  and  reduce  to  a  very  fine  powder : 
triturare  with  sumeient  water  to  form  a  thin  hquid,  and  strain  ^vith 
express:  n.    Emnlsify  the  mixed  oils  in  a  dry  mortar,  with  the  acacia 
an  :l  >  :_:  :,  ::-'  ag  a  little  water  if  the  paste  beti-omes  too  thick.  Finally 
ad  l  :!.-  -:ra:nr  :l  liquid  and  form  a  perfect  emulsion ;  add  water  to 
make  the  Hquid  measure  four  fluidounces. 
The  e  ::  :isi  :  ::  is  a  brown  Hquid.  contains  in  a  teaspoonful  two  drops 
of  the  ii  ;  :  :i.rn  :'p  :dium.  and  has  but  a  slight  odor  and  a  sweetish 
aromari-:  :a-:e  "a.i  ji.  is  slightly  pungent  and  cooling.  The  freshly 
prepare  1  raiai-i  :^  is  to  be  prr:T:  :  T;l  :  but  samples  of  it  have  been  kept 
on  i^an  1  :  :;  a  a:  a  aaaa:::,  a  i  Tra  ::aind  to  keep  well,  and  to  re- 
main p:.ia:aai~,  T_:-  a;l:i::::a  :a  a  ^aaall  quantity  of  alcohol  wiU 
renier  it  still  more  permanent. 
Tlie  dose  of  Salicln.— A  : : ::  ai:  g  : :  L  .       L:^:^n  {The  Lancet),  sa^&n. 
lau;:  oe  given  i:i  iai^e  ise;  i::  :aeaa::a-a.  iiaraai  :o  40  grains  every  hour, 
uarii  there  i;  ae:i  e;i  e  :i:  :;t  ;:  its  :  a        Generally  before  an  ounc^  is 
rive::  i :::::::  ve::ie:::  i:as  taker,  riacr.  :a:;i  a.5  the  svrnr  :■:■!::=  decline  the  dose 
