Chapter 6: In the remembrance of Parry's expedition into Lancaster

Sound, mention is made of the prize for crossing a meridian at higher than the seventy-seventh parallel. Here the specific meridian is left out, which is not very informative. In the French version, it is the 170th meridian, which is clearly wrong. The Ward and Lock translation changes it to the 117th meridian. Historically, the prize was for the 110th meridian.

Chapter 8: On Saturday, the temperature is stated to have fallen to 8 degrees above zero. The French and Routledge translation state 8 degrees below zero. This makes more sense since the previous temperature cited, from which it had fallen, was 6 degrees above zero.