^"'■■^M''ay^^9'2o:}       Pkarmacology  of  Cotton  Root  Bark.  293 
.loc,  f  p.  t,  .j.,<- Sir;-*-' 
CHART  I. 
Kymogram  1294  shows  the  effect  of  fluidextract  of  ergot  on  the  blood  pressure 
of  the  dog. 
Kymograms  778,  773  and  779  represent  three  different  blood  pressure  ex- 
periments which  show  the  effect  of  cotton  root  bark  on  the  blood  pressure  of  the 
dog. 
