that indicated her direction to the oncoming steamer would be to port.
The steamer replied, indicating that she would take the same course.
Evidently there was some misunderstanding.

"And we haven't our side lamps going!" cried Betty, in alarm, as she
realized the danger. "Quick, girls, come up here!" she called to Grace
and Amy. "One of you switch on the electric lamps. At least they can
see us, then, and can avoid us. Oh, I don't know what to do! I never
thought of this!"

A sudden glow told that Amy had found the storage battery switch, for
the red and green lights now gleamed. Again the on-coming steamer
whistled, sharply-- interrogatively. Betty answered, but she was not
sure she had given the right signal.

"Why don't you start the motor?" she called to Mollie.

"I can't! It doesn't seem to work."

"The switch is off!" exclaimed Grace, as she came out of the cabin.
With a quick motion she shoved it over.

"How stupid of me!" cried Betty. "I should have seen to that first.
Try again, Mollie!"

Again Mollie pressed the button of the self-starter, but there was no
response. The Gem was still drifting, seemingly in the very path of
the steamer.

"Why don't they change their course?" wailed Amy. "Can't they see