Am.  Jour.  Pharm.  ) 
September,  1910.  j 
Ergoxanthem. 
413 
was  acidulated  with  hydrochloric  acid  which  changed  it  to  a  rose 
color.  This  liquid  when  shaken  out  with  ether,  and  this  solution 
subjected  to  spectrum  analysis  gave  the  spectrum,  Fig.  5. 
a  q  B  C 
L  b 
5  10  5 
0 
30 
40  5 
0      60  7 
0 
80  <; 
0     IOC     110  (SO 
1*50  HQ 
1   1  1  i  1  f  1  1  1  \J  \  1 
til 
CO 
6- 
H3i 
fig.  4 
fig.s 
Fiq6 
A 
Absorption  spectra  of  solutions  of_ergoxanthein  and  other  substances. 
Wladimir  Tichomirow  proposed  (Pharm.  Zeit.  fur  Rilssland, 
1865)  the  spectrum,  shown  in  Fig.  6,  of  another  pigment  for  the 
discovery  of  ergot  in  flour,  as  in  Zinnin's  case  a  blood-red  solution 
