ERRATAVOL. 61, 1964.Page 166. In formula (2) delete the hydrogen ntoiiis attached to the non-pyridine nitrogens.VOL. 88, 1965.Page 24, Ziize 21.Page 24, Zine 22.Page 24, li?tze 24.For 5.7 x 101j read 2.9 xFor 042 x lOI5 read 0.41 xFor 1.06 xfor 2.8 x lox5 rend1.4 x 1015.read 5.3 x 1W