"That's what I am, lass, and I struck the right harbor first thing;
didn't I? Davy Jones couldn't be any more accurate! Well, how are
you?"

"All right, Uncle. The girls are down in the boat at the dock," and
she pointed. "The man is going to take down the oil and gasoline.
Won't you come on a trip with us? We expect to make Rainbow Lake by
night."

"Of course I'll come! That's why I drifted in here. I worked out your
reckoning and I calculated that you'd be here about to-day, so I come
by train, stayed over night, and here I am. What kind of a voyage did
you have?"

"Very good-- one little accident, that's all," and she told about
getting adrift.

"Pshaw, now! That's too bad! I'll have to give you some lessons in
mooring knots, I guess. It won't do to slip your cable in the middle
of the night."

The girls were as glad to see Betty's uncle as he was to greet them,
and soon, with plenty of supplies on board, and with the old sea
captain at the wheel, which Betty graciously asked him to take, the
Gem slipped down the river again.

At noon, when they tied up to go ashore in a pleasant grove for lunch,
Mr. Marlin demonstrated how to tie so many different kinds of knots
that the girls said they never could remember half of them. But most