Chapter 9—A Storm on the Lake The old sailor was impatiently awaiting the return of the travellers; for during the last hour the weather had changed, and the appearance of the sky was calculated to render any one accustomed to read the signs of the clouds uneasy. The sun was obscured by a thick mist, the wind had fallen, but an ominous moaning was heard from the south of the lake. These symptoms of an approaching change of temperature were developed with all the rapidity peculiar to these elevated latitudes. “Let us be off, sir! let us be off!” cried old Norman, looking anxiously at the fog above his head. “Let us start without losing an instant. There are terrible signs in the air!” “Indeed,” exclaimed the Lieutenant, “the appearance of the sky is quite changed, and we never noticed it