"Something terrible has happened!" shouted Harry and Billy.
"We are sinking, boys," yelled the professor; "don't forget my last will and testament."
CHAPTER XVII.
THE GREAT BARRIER.
To rush on deck was the work of a few moments. If it was a scene of confusion the boys had left, the sight that now met their eyes was far more turbulent.
"The boats! the boats! We are sinking!"
"We are going down!"
"The iceberg has sunk us!"
These and a hundred other cries of terror filled the air, for the wind seemed to have died down, though the sea still ran high, and sounds were now more audible. Off to the starboard side of the ship the boys perceived a mighty towering form, which they knew must be the iceberg they had encountered. The crew fought madly for the boats.
Suddenly a sharp voice rang out: