Note 7 — Chapter V · A Hard Struggle
Reading edition
As on the previous day, the ice on the north side of the lane was moving westward, in comparison with that on the south side. The same thing was the case, or could be seen to have been so, with the lanes we met with later in the day. We naturally conceived this to mean that there was a strong westerly drift in the ice northward, while that southward was retained by land.