who, by great good fortune, might have been able to save themselves
from the wreck of the Ramona.

Looking at the map again, which is the last time I shall trouble you
to do so, the problem might not seem so hard, for there are not so
many islands shown. The difficulty is that few maps show all of
them, and even on the best of navigating maps there may be one or
two that are not charted. The shipwrecked ones, providing they lived
to get off on a life raft, or in a boat, might as likely have been
driven to one of these little islands, as to a larger one.

"But we can cut out a lot of them," said Jack, when they were in the
cozy cabin of the Tartar, and he and his sister, with the others,
were bending over the charts.

"It's like this," Jack went on, pointing with a pencil to where Porto
Rico was shown, in shape and proportion not unlike a building brick.
"Our folks started for Guadeloupe--that's here," and he indicated the
island which bears not a little resemblance to an hour-glass on the
map. Guadeloupe, in fact, consists of two islands, separated by a
narrow arm of the sea--Riviere Salee--which divides it by a channel
of from one hundred to four hundred feet in width.

"Whether they arrived is of course open to question," said Jack.
"I'm inclined to think they didn't, or we'd have heard from them.
The storm came before the ship got anywhere near there. Now, then, I
think we shall have to look for them somewhere between Porto Rico and
Guadeloupe."

"Why not near St. Kitts?" asked Walter, covering with his finger the