iq8  U.  S.  P.  Standard  for  Pituitary  Extract    (  Am.  jour.  Pharm. 
y  "  May,  19 17. 
to  the  drum,  and  the  air  tubes  connected,  the  temperature  having 
been  previously  adjusted  to  between  37.5  and  39.50  C. 
IV 
Fig.  2.    Kymographic  tracings  of  an  unknown  pituitary  extract  compared 
with  a  standard  solution. 
After  spontaneous  movements  have  appeared,  usually  after  about 
half  an  hour,  the  application  of  pituitary  extract  dilutions  are  begun 
