This day was rendered remarkable by our observing in the south several huge wreaths of the grayish vapour I have spoken of.
74
The marl was also black; indeed, we noticed no light-coloured substances of any kind upon the island.
75
For obvious reasons I cannot pretend to strict accuracy in these dates. They are given principally with a view to perspicuity of narration, and as set down in my pencil memorandum.
