Mrs.Vernon ought to know, but nobody else.

You see, it's important--" Mrs.Cartwright saw, and a few minutes afterwards her hostess knew.
"It's plain I must give Harry my confidence, to some extent," Mrs.
Vernon said, and went to look for her son.
She found him going off for a swim, and when she told her tale he frowned.
"In a way, perhaps, I'm accountable, but we'll talk about this again," he said.

"Get Mrs.Cartwright on board the launch and come along yourself.

As soon as Bob's inside his clothes we'll start." "But Bob--" Mrs.Vernon began.
"Bob _knows_, and I'll need a partner.

If Miss Hyslop didn't leave the settlement on the night express, she'll be hitting the trail through the woods for the United States.