In the paper, The Distribution of Dopamine and Dopa in Various Animals and a Method for Their Determination in Diverse Biological Material by A. H. Anton and D. F. Sayre (Volume 145, pages 326-336, September 1964), on page 333, second column, the second sentence of the first paragraph should read: Abnormally high levels of homovanillic acid (metabolic product of DM and DA) and vanilmandelic acid (metabolic product of NE and E) had been found in several of these same specimens by gas chromatography (Williams and Greer, 1963).