P. 68: "lide" changed to "line" (line of declination). P. 113: added "to" (next to my skin). P. 136: "threugh" changed to "through" (the late journey safety through). P. 163: "dissappeared" changed to "disappeared" (in many places, entirely disappeared). P. 201: "fluffly" changed to "fluffy" (much shorter and less fluffy). P. 202: "Seiurius" changed to "Seiurus". P. 209: "p." inserted before "200" in item 56. Pp. 218-223: The table entitled "Dip of the needle and force of magnetic attraction..." was reformatted and abbreviations were used to fit within a reasonable width. Pp. 224-247: Each pair of pages is one table but the two pages are presented one after the other. An additional column with the days of the month has been added to the second page of each pair. P. 231: "Speculæ" changed to "Spiculæ" (Spiculæ of snow falling). P. 235: The digits in the seventh entry are missing. P. 239: word following "colourless" is missing. Ad p. 4: "57 Illustration" changed to "57 Illustrations". Ad p. 5: "thau" changed to "than" (rather than to win favour).