<h2>CHAPTER XIII</h2>
<h3>THE DIAMOND TREASURE</h3>
<p>For a moment the others clustered around Betty like bees in a swarm,
saying not a word. The girls could only gasp their astonishment as they
looked over the Little Captain's shoulder, as she sat there, holding the
black box, the false bottom of which had so unexpectedly opened before
their eyes.</p>
<p>The boys were a little more demonstrative.</p>
<p>"How in the world did you do it, Bet?" asked Will.</p>
<p>"Did you know there was some trick about the box?" demanded Roy.</p>
<p>"She's been holding this back," declared Henry, nudging his sister Amy.</p>
<p>"And to think of all the time we wasted on that cipher!" observed Allen,
reproachfully.</p>
<p>This seemed to galvanize Betty into speech.</p>
<p>"I didn't know a thing about it!" she declared, earnestly. "I just
discovered it by accident. Of<span class="pagenum"><SPAN name="Page_96" id="Page_96">[96]</SPAN></span> course when I found there was a
difference in depth between the inside and the outside of the box I
began to suspect something. But I didn't dream of—this!"</p>
<p>She motioned to the white package in the secret compartment—a package
she had not, as yet, touched.</p>
<p>"But how in the world did you come to discover it, Betty dear?" asked
Mollie, with wonder-distended eyes.</p>
<p>"It seemed to open itself," the Little Captain replied. "I just dropped
the end of the ruler in the box, and it sprang open."</p>
<p>"You must have touched the secret catch, or spring," was Allen's
opinion.</p>
<p>"Let's have a look!" proposed Will. "I always did want to see how one of
those hidden mysteries worked. Pass it over, Betty!"</p>
<p>"Indeed, don't you do it!" cried Mollie. "Let's see, first, what is in
that package, Betty. You said it was a treasure; didn't you?"</p>
<p>"Well, that's what I said," admitted Betty. "But it will probably be
some more meaningless cipher."</p>
<p>"Oh, do open it!" begged Grace. "I'm all on pins and needles——"</p>
<p>"Thinking it may be—chocolates!" teased her brother.<span class="pagenum"><SPAN name="Page_97" id="Page_97">[97]</SPAN></span></p>
<p>She aimed a futile blow at him, which he did not even dodge.</p>
<p>Betty reached in and lifted the white tissue-paper package from its
hiding place. It almost completely filled the space. There was a
rustling sound, showing that the paper had acquired no dampness by being
buried under the sand in the box.</p>
<p>"Put it on the table," suggested Allen, removing the box from Betty's
lap. She turned to the table, near which she had been sitting, when her
experiment resulted so unexpectedly. On the soft cloth she laid the
paper packet.</p>
<p>"Now don't breathe!" cautioned Mollie, "or the spell will be broken."</p>
<p>No one answered her. They were all too intent on what would be disclosed
when those paper folds should be turned back.</p>
<p>"It looks just like—just like—pshaw! I know I've seen packages just
like that before, somewhere," said Will. "But I can't, for the life of
me, think where it was."</p>
<p>"Was it in a jeweler's window?" asked Amy, in a low voice, from where
she stood beside him.</p>
<p>"That's it, little girl! You've struck it!" Will cried, and impulsively
he held out his hand, which Amy clasped, blushing the while.<span class="pagenum"><SPAN name="Page_98" id="Page_98">[98]</SPAN></span></p>
<p>"What's that talk about a jeweler's?" asked Allen.</p>
<p>But no one answered him.</p>
<p>For, at that moment Betty had folded back the white paper, and there to
the gaze of all, flashing in the sun which glinted in through an open
window, lay a mass of sparkling stones. Thousands of points of light
seemed to reflect from them. They seemed to be a multitude of dewdrops
shaken from the depths of some big rose, and dropped into the midst of a
rainbow.</p>
<p>"Oh!" cried Betty, shrinking back. "Oh!" She could say no more.</p>
<p>"Look!" whispered Grace, and her voice was hoarse.</p>
<p>"Well, I'll be jiggered!" gasped Will.</p>
<p>"Diamonds!" cried Allen. "Betty, you've discovered a fortune in
diamonds!"</p>
<p>"Diamonds?" ejaculated Amy, and her voice was a questioning one.</p>
<p>Then there came a silence while they all looked at the flashing heap of
stones—there really was a little heap of them.</p>
<p>"Can they really be diamonds?" asked Betty, finding her voice at last.</p>
<p>Allen reached over her shoulder and picked up one of the larger stones.
He held it to the light, touched it to the tip of his tongue, rubbed it
with<span class="pagenum"><SPAN name="Page_99" id="Page_99">[99]</SPAN></span> his fingers and laid it back. He did the same thing with two
others.</p>
<p>"Well?" asked Will, at length. "What's the verdict?"</p>
<p>"I'm no expert, of course," Allen said, slowly, and he seemed to have
difficulty in breathing, "but I really think they are diamonds."</p>
<p>"Diamonds? All those?" cried Mollie. "Why, they must be
worth—millions!"</p>
<p>They all laughed at that. It seemed a relief from the strain, and to
break the spell that hung over them all.</p>
<p>"Hardly millions," spoke Allen, "but if they are really diamonds they
will run well up into the thousands."</p>
<p>"But are they really diamonds?" asked Betty.</p>
<p>"As I said, I'm no expert," Allen repeated, "but a jeweler once told me
several ways of testing diamonds, and these answer to all those tests.
Of course it wouldn't be safe to take my word. We should have a jeweler
look at these right away."</p>
<p>"I knew I had seen paper like that before," Will said. "It's just the
kind you see loose diamonds displayed in around holiday times in
jewelers' windows."</p>
<p>"That doesn't make these diamonds, just because they are in the proper
kind of paper,"<span class="pagenum"><SPAN name="Page_100" id="Page_100">[100]</SPAN></span> scoffed Roy. "I think they're only moonstones."</p>
<p>"Moonstones aren't that color at all," declared Henry. "They are sort of
a smoky shade."</p>
<p>"I guess Roy means rhinestones," said Amy, with a smile.</p>
<p>"That's it," he agreed. "They're only fakes. Who would leave a lot of
diamonds like that in a box in the sand?"</p>
<p>"No one would leave them there purposely, to lose them," said Allen.
"But I think we've stumbled on a bigger mystery here than we dreamed of.
I am sure these are diamonds!"</p>
<p>"I—I'm afraid to hope so," said Betty, with a little laugh.</p>
<p>"Well, it's easy to tell," Allen said. "There's a jeweler in town. He
probably doesn't handle many diamonds, but he ought to be able to tell a
real one from a false. Let's take one of the smaller stones and ask him
what he thinks."</p>
<p>"Oh, yes, let's find out—and as soon as we can!" cried Grace. "Isn't it
just—delicious!"</p>
<p>"Delicious!" scoffed Will. "You'd think she was speaking
of—chocolates!"<span class="pagenum"><SPAN name="Page_101" id="Page_101">[101]</SPAN></span></p>
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