I cried out lustily to him, and starting up, he sprang quickly to his feet.

Indeed, had he not instantly clutched the rail, he would certainly have been thrown into the seething waves.
A fierce snow-storm was raging.

The wind was directly astern, driving our sloop at a terrific speed, and was threatening every moment to capsize us.

There was no time to lose, the sails had to be lowered immediately.

Our boat was writhing in convulsions.