894 
Wisconsin Academy of Sciences, Arts , and Letters . 
PIGMENTS REFERABLE TO /?-METHYL-y-PHENYL-ISOHYDRADINDlNE.. 
/3 - methyl*y -phenyl isohydrindine 
Two pigments, brazilein and haematein, oxidation products 
of brazilin and haematoxylon are referrable to the above hydro¬ 
carbon. 
