No further long jaunts came the way of the quartet during the school term, up to the Christmas holidays, when they received permission to undertake a trip to the Sunny South. Just how this came about, and what wonders they saw and

experienced on a Florida river, as well as upon the great Mexican Gulf, have been told in the fourth book of the series, called "The Outdoor Chums on the Gulf; or, Rescuing the Lost Balloonists."

And now it seemed as though, less than six months later, they were ready to embark on what promised to be the most exciting trip of all, a visit to the wilderness of the great Northwest, in search of big game.

Reaching the clubhouse, they quickly stowed their boats away. From this time on there would probably be scant time for aquatic sports. The tremendous undertaking they had in view would, very likely, occupy all their spare moments.

"Now let's have that letter, Frank. We want to con it so that every word will be photographed on our brains from this time on. Didn't old Jesse say that Martin Mabie was a big stockman now, and had really quit being a guide and hunter? Then it's mighty kind of him to undertake to convoy a raft of tenderfeet into the wilderness. Money didn't enter into it, that's sure," said Bluff.

"He mentions having had a long letter from Jesse," remarked Frank.

"That settles it, then. Our good old friend has been telling him everything we ever did, and got him interested. We must make it a point

to run up and see Jesse before we go, and thank him."

"You're right about that, Jerry," said Frank warmly. "I was thinking the same, myself. But here's the letter. Read it for yourselves."

Various were the comments after this had been done.