"You look tired," she said to him, as they sat in a little refreshment room, for Walter had offered to "stand treat" to such as there was to be had.

"I am a bit tuckered out," confessed Jack, putting his hand to his head. "It was quite a strain getting things ready for the start. But, now we're at sea, I'm going to take a good rest—that is, as much as I can, under the circumstances."

"You mustn't overdo it," cautioned Cora. "Remember that we came down here for your health, but we didn't expect to have such a time of it. Poor little mother!" she sighed. "I wonder where she is to-night?"

"I'd like to know," said Jack, softly, and again his hand went to his head with a puzzled sort of gesture.

"Does it ache?" asked Cora, solicitously.

"No, not exactly," answered Jack slowly, uncertainly.

They finished their little refreshment, being, about the only stranger-guests at the hotel, and then went out to view what they could of the town by lamp-light. Some of the shops displayed wares that, under other circumstances, would have been attractive to the girls, but now they did not feel like purchasing. They were under too much of a strain.

"Well, no news is good news," quoted Walter.

Alas! how often has that been said as a last resort to buoy up a sinking hope. No one else spoke, as they made their way to the dock where the little ferry boat awaited them.

"What's the matter, Jack?" asked Walter, as he sat beside his chum on the return trip.