Page [175]—Wolffii amended to Wolfii—"This fragment is preserved in “Wolfii Lectionum Memorabilium centenarii, XVI.:” ..."
Page [215]—omitted word 'on' added—"Helgi and his brother Thorstein went on a cruise ..."
Page [222]—multiplication sign changed to plus—"... but the sum of the digits 1 + 8 = 9."
The frontispiece illustration has been moved to follow the front matter. Other illustrations have been moved where necessary so that they are not in the middle of a paragraph.
Advertising material has been moved from the beginning of the book to the end.