602  Mr.  P.  S.  Barlow  on  the  Osmotic 
Before  discussing  these  curves  I  must  say  that  in  the  above 
experiments,  lithium  chloride  was  found  in  the  outer  alcohol. 
Fig. 
3.— Curve  II 
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Its  amount  was  distinctly  less  for  the  weaker  solutions.  'It 
will  be  remembered  that  in  the  experiments  of  the  first  table, 
no  salt  was  found  on  the  outside  :  there  the  pressures  set 
up  did  not  exceed  40  mm.  All  the  pressures  in  the  last  table 
are  far  below  some  pressures  that  have  been  obtained  with 
