Page 496, 5th line, insert “the” before “soil.”
Page 515, next to last and last lines, read “stannous” instead of “zinc.”
Page 516, second line, read “stannous” instead of “zinc.”
Page 557, 9th line of 500 read “red-yellow” instead of “blue.”
CORRECTIONS FOR VOL. II.
Page 14, line 21, read “61.74 per cent.” for “16.74 per cent.”
Page 23, 8th line from bottom, read “0.0025.” for “0.0035.”
Page 54, 9th line, read “white” instead of “yellow.”
Page 54, 13th line, read “phosphate” instead of “phosphomolybdate.”
Page 57, 8th line from bottom, read “saturated” instead of “citrate.”