Drawing out a big pair of cutters he crawled under the rear of the auto, and, lying on his back, proceeded to sever the wire strands.

"Keep the rope taut!" urged Bart. "When the wire is cut there'll be a heavy strain."

The boys, and several men who had taken hold of the hempen cable, braced themselves. There was a snap, as the cutters went through the wire.

"Look out!" cried the lineman.

There was a creaking of the ropes. A sudden strain came on them, so powerful, that those holding the strands felt the hemp slipping through their fingers.

"She's going over the cliff!" cried Bart. "Hold her, boys! Hold her!"

CHAPTER IV

PLANNING A CRUISE

Farther and farther over the cliff slid the heavy auto. The boys and men, holding the rope, were pulled slowly along, as is a losing team in a tug-of-war.

"Snub your rope, boys!" a voice suddenly called. "Snub her! That's the only way to hold her back! Take a half hitch around that stump, and you'll have her! She's got a little too much way on for you! Snub her!

Snub her, I say!"

Bart gave one glance at the man who had called these directions. He saw a short, squatty figure, wearing a dark blue cap, with some gold braid on it. One glance was enough to show that the man knew what he was talking about.

Bart let go his grip of the rope. The auto slipped a little faster then, for there were not so many hands holding it. But Bart knew what he was doing. He grabbed the free end of the rope and, following the directions of the newcomer, who aided him, he took a couple of turns about a big stump. This "snubbed" or slowed up the progress of the ponderous car, and a moment later it came to a stop.

"Now you've got her!" exclaimed the squatty man. "She'll hold until you can get a couple of teams to haul her back. You can't do it alone. Too much steam needed!"

"That's where you're right, Captain Wiggs!" remarked Constable Darby. "I was jest a goin' t' tell th' boys that myself, but it's better t' have th' advice come from a regular sea-farin' person I s'pose."

"I'm no sea-faring person," replied the captain. "The Great Lakes are good enough for me, but those who cruise on them know a thing or two, even if they're not of the salt water."

"Your advice came just in time, Captain," said Ned, for the boys knew the commander of the steamer _Modoc_, which was one of the Great Lakes fleet of freight carriers, and occasionally tied up at Darewell.

"I should say it did," added Frank. "My arms are nearly pulled off."

"I'll go up the street and see if I can get a couple of men to bring their teams here and haul the auto up," volunteered Fenn. "I guess Mr.

Hayward will pay them."

The others thought this suggestion a good one, and, in a short time Fenn returned with two men, who each drove two powerful horses.

The animals were hitched to the rope and, after a little pulling and hauling, under the direction of Captain Wiggs, who naturally took charge, the auto was hauled back to the street, not much damaged from the plunge over the cliff.

The crowd stood around for some time longer, looking at the touring car until Fenn had the men haul it to a barn near his house. The boys would have liked to have run it themselves, but, as they knew very little about cars, and as they were not sure of the condition of the machinery of this one, they decided the slower method of propulsion would be best.

In the morning there was a great improvement in the condition of Mr.

Hayward and his daughter, Ruth. In fact Ruth could be up, Dr. Fanwood said, though she must not exert herself.

That afternoon after school the three chums wanted Fenn to go for a walk, but he made some excuse and hurried home. He found Miss Ruth, who looked prettier than ever he thought, sitting in the parlor in an easy chair.

"I don't believe I thanked you and your friends for what you did for my father and myself," she said, with a smile, as she held out her hand to Fenn.

"Oh, it isn't necessary--I mean we didn't do anything--" and poor Fenn became much confused. "I--er--that is we--saw the auto go over and we hurried out."

"Oh, it was awful!" exclaimed Ruth, "I thought I was going to be killed!

It was terrible!"

"It was a lucky escape," murmured Fenn, sympathetically, wondering if the girl would make any reference to the cave she had raved about.

But she did not, and, after asking Fenn to bring his three chums, that she might thank them personally, she went back to her room.

"I wish I dared ask her about that mysterious cave," thought Fenn.

"There's something back of it all, I'm sure. She acts as if she was afraid I'd find it out."

A few days later Mr. Hayward was able to be up, and after that his recovery was rapid. He explained to Fenn, and the boy's parents, that he was in the timber business, and had some mining interests. His daughter's health was not of the best, he added, and, in the hope of improving it, he had taken her on a long auto trip. They intended to go to Maine, and camp in the woods, and were on their way there when the accident happened.

"I'm sure I can't thank you for all you have done for me," said Mr.

Hayward, looking at Fenn and his parents. "Those other boys, too; my daughter tells me there were three of your chums who helped."

"Oh, we didn't do so much," murmured Fenn. "Anybody would have done the same."

"Yes, but you did it," replied Mr. Hayward. "I appreciate it, I can tell you. I wish I could show you how much. Perhaps I can, some day. I'll tell you what I wish you'd do; come out and see me. It's not so very far to Bayville, and we can show you some great sights there, I tell you.

You could make the trip along the Great Lakes, and they're well worth seeing. My daughter and I would make you comfortable, I'm sure."

"It's very kind of you to give the boys that invitation," said Mr.

Masterson. "I'm afraid it's too long a trip for them."

"Oh, nonsense!" exclaimed Mr. Hayward. "They can go by boat all the way.

It's a fine trip."

"I'm sure you would enjoy it," said Ruth, smiling at Fenn.

"Then we'll go!" exclaimed Stumpy, with more energy than the occasion seemed to call for.

"I wish you would," added Mr. Hayward, and then he and Mr. Masterson began a discussion of business matters.

A little later that evening Fenn, going in the parlor for a book, saw Ruth sitting there in the darkness.

"What's the matter?" he asked with ready sympathy. "Are you ill? Shall I call my mother?"

"No--no, I'm all right--I'll be all right in a little while. Please don't call any one," and the girl seemed much alarmed. "I--I was just thinking of--"

"Is there anything worrying you?" asked Fenn boldly, as the memory of what she had said in her delirium came back to him. "Can I do anything to help you? Is it about a cave?"

"Hush!" exclaimed Ruth, in such tones that Fenn was startled. "Don't speak of that. Oh, I don't know why I mentioned it. I was not myself!

Forget it, please. It might cause a dreadful--Oh, I can't talk about it!"