Kit now reported it at seventy-three degrees; and, in less than an hour, it had fallen twenty degrees more.

This sudden change was probably due to the veering of the wind from east round to north.

The cold blasts from "Greenland's icy mountains" speedily dissipated our miniature summer.
There was a general rush for great-coats and thick jackets.

Thin lines of vapor streamed up from the water as the cold gusts swept across it.
The hot sunbeams falling on the sea had doubtless raised the temperature considerably, despite the ice; and this sudden change in the air could but raise a great mist.

Yet I doubt whether Nature's wonderful and legitimate processes were ever regarded with greater disfavor and apprehension.
"The barometer's falling a good deal too," remarked the captain, coming hastily up the companion-stairs.