tural Experirnent Station, 1'. 0 . Box 1106, New Haven, Conn., for furnishing us with the dimethyl ester of isocitric lactone and the directions by which we converted it to the free acid. Dr. B. Vennes-
land of the Department of Biochemistry, University of Chicago, very kindly gave us a specially purified sample of oxalacetic acid. CHICAGO, ILLINOIS
[ C O N T R I B U T I O N FROM 'IHE PURIIUE [,-SIVERSITY 1 ~ E P A R T M E S TO F CHEMISTRY ]
Studies on Some Ferrous Complexes of Substituted 1,lO-Phenanthrolines B Y IYARREN
Iv. BR.INDT
A N D L)ELORAK . ( : U L L S ~ ' K U \ I
Rt:
