Errata

ERRATA. Page Line 317 0 for "[117]" read "[317]" at the top of the page. 375 Running title, for "prevention" read "preservation." 439 4 for "Plate XXVII" read "Plate XXIX." 445 3 from bottom, for "having" read "leaving." 449 18 for "1092" read "8092." 457 1 from bottom, for "there were mixtures" read "these were mixtures." 463 In the column of differences, the numbers should be placed to stand intermediate between those of the column of parts. Also, dele "23.4" in line 8 of the former column, and bring up the remaining differences each a line higher. 492 2 for "place" read "plane."