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<h2> CHAPTER II. ON THE ROAD </h2>
<p>THE course of James Starr's ideas was abruptly stopped, when he got this
second letter contradicting the first.</p>
<p>"What does this mean?" said he to himself. He took up the torn envelope,
and examined it. Like the other, it bore the Aberfoyle postmark. It had
therefore come from the same part of the county of Stirling. The old
miner had evidently not written it. But, no less evidently, the author
of this second letter knew the overman's secret, since it expressly
contradicted the invitation to the engineer to go to the Yarrow shaft.</p>
<p>Was it really true that the first communication was now without object?
Did someone wish to prevent James Starr from troubling himself either
uselessly or otherwise? Might there not be rather a malevolent intention
to thwart Ford's plans?</p>
<p>This was the conclusion at which James Starr arrived, after mature
reflection. The contradiction which existed between the two letters only
wrought in him a more keen desire to visit the Dochart pit. And besides,
if after all it was a hoax, it was well worth while to prove it. Starr
also thought it wiser to give more credence to the first letter than to
the second; that is to say, to the request of such a man as Simon Ford,
rather than to the warning of his anonymous contradictor.</p>
<p>"Indeed," said he, "the fact of anyone endeavoring to influence my
resolution, shows that Ford's communication must be of great importance.
To-morrow, at the appointed time, I shall be at the rendezvous."</p>
<p>In the evening, Starr made his preparations for departure. As it might
happen that his absence would be prolonged for some days, he wrote to
Sir W. Elphiston, President of the Royal Institution, that he should be
unable to be present at the next meeting of the Society. He also wrote
to excuse himself from two or three engagements which he had made for
the week. Then, having ordered his servant to pack a traveling bag, he
went to bed, more excited than the affair perhaps warranted.</p>
<p>The next day, at five o'clock, James Starr jumped out of bed, dressed
himself warmly, for a cold rain was falling, and left his house in the
Canongate, to go to Granton Pier to catch the steamer, which in three
hours would take him up the Forth as far as Stirling.</p>
<p>For the first time in his life, perhaps, in passing along the Canongate,
he did NOT TURN TO LOOK AT HOLYROOD, the palace of the former sovereigns
of Scotland. He did not notice the sentinels who stood before its
gateways, dressed in the uniform of their Highland regiment, tartan
kilt, plaid and sporran complete. His whole thought was to reach
Callander where Harry Ford was supposedly awaiting him.</p>
<p>The better to understand this narrative, it will be as well to hear a
few words on the origin of coal. During the geological epoch, when
the terrestrial spheroid was still in course of formation, a thick
atmosphere surrounded it, saturated with watery vapors, and copiously
impregnated with carbonic acid. The vapors gradually condensed in
diluvial rains, which fell as if they had leapt from the necks of
thousands of millions of seltzer water bottles. This liquid, loaded
with carbonic acid, rushed in torrents over a deep soft soil, subject to
sudden or slow alterations of form, and maintained in its semi-fluid
state as much by the heat of the sun as by the fires of the interior
mass. The internal heat had not as yet been collected in the center of
the globe. The terrestrial crust, thin and incompletely hardened,
allowed it to spread through its pores. This caused a peculiar form of
vegetation, such as is probably produced on the surface of the inferior
planets, Venus or Mercury, which revolve nearer than our earth around
the radiant sun of our system.</p>
<p>The soil of the continents was covered with immense forests. Carbonic
acid, so suitable for the development of the vegetable kingdom,
abounded. The feet of these trees were drowned in a sort of immense
lagoon, kept continually full by currents of fresh and salt waters.
They eagerly assimilated to themselves the carbon which they, little by
little, extracted from the atmosphere, as yet unfit for the function
of life, and it may be said that they were destined to store it, in the
form of coal, in the very bowels of the earth.</p>
<p>It was the earthquake period, caused by internal convulsions, which
suddenly modified the unsettled features of the terrestrial surface.
Here, an intumescence which was to become a mountain, there, an abyss
which was to be filled with an ocean or a sea. There, whole forests sunk
through the earth's crust, below the unfixed strata, either until they
found a resting-place, such as the primitive bed of granitic rock, or,
settling together in a heap, they formed a solid mass.</p>
<p>As the waters were contained in no bed, and were spread over every
part of the globe, they rushed where they liked, tearing from
the scarcely-formed rocks material with which to compose schists,
sandstones, and limestones. This the roving waves bore over the
submerged and now peaty forests, and deposited above them the elements
of rocks which were to superpose the coal strata. In course of time,
periods of which include millions of years, these earths hardened in
layers, and enclosed under a thick carapace of pudding-stone, schist,
compact or friable sandstone, gravel and stones, the whole of the
massive forests.</p>
<p>And what went on in this gigantic crucible, where all this vegetable
matter had accumulated, sunk to various depths? A regular chemical
operation, a sort of distillation. All the carbon contained in these
vegetables had agglomerated, and little by little coal was forming
under the double influence of enormous pressure and the high temperature
maintained by the internal fires, at this time so close to it.</p>
<p>Thus there was one kingdom substituted for another in this slow but
irresistible reaction. The vegetable was transformed into a mineral.
Plants which had lived the vegetative life in all the vigor of first
creation became petrified. Some of the substances enclosed in this
vast herbal left their impression on the other more rapidly mineralized
products, which pressed them as an hydraulic press of incalculable power
would have done.</p>
<p>Thus also shells, zoophytes, star-fish, polypi, spirifores, even fish
and lizards brought by the water, left on the yet soft coal their exact
likeness, "admirably taken off."</p>
<p>Pressure seems to have played a considerable part in the formation of
carboniferous strata. In fact, it is to its degree of power that are due
the different sorts of coal, of which industry makes use. Thus in the
lowest layers of the coal ground appears the anthracite, which, being
almost destitute of volatile matter, contains the greatest quantity
of carbon. In the higher beds are found, on the contrary, lignite and
fossil wood, substances in which the quantity of carbon is infinitely
less. Between these two beds, according to the degree of pressure to
which they have been subjected, are found veins of graphite and rich or
poor coal. It may be asserted that it is for want of sufficient pressure
that beds of peaty bog have not been completely changed into coal. So
then, the origin of coal mines, in whatever part of the globe they have
been discovered, is this: the absorption through the terrestrial crust
of the great forests of the geological period; then, the mineralization
of the vegetables obtained in the course of time, under the influence of
pressure and heat, and under the action of carbonic acid.</p>
<p>Now, at the time when the events related in this story took place, some
of the most important mines of the Scottish coal beds had been exhausted
by too rapid working. In the region which extends between Edinburgh
and Glasgow, for a distance of ten or twelve miles, lay the Aberfoyle
colliery, of which the engineer, James Starr, had so long directed the
works. For ten years these mines had been abandoned. No new seams had
been discovered, although the soundings had been carried to a depth of
fifteen hundred or even of two thousand feet, and when James Starr had
retired, it was with the full conviction that even the smallest vein had
been completely exhausted.</p>
<p>Under these circumstances, it was plain that the discovery of a new seam
of coal would be an important event. Could Simon Ford's communication
relate to a fact of this nature? This question James Starr could not
cease asking himself. Was he called to make conquest of another corner
of these rich treasure fields? Fain would he hope it was so.</p>
<p>The second letter had for an instant checked his speculations on this
subject, but now he thought of that letter no longer. Besides, the son
of the old overman was there, waiting at the appointed rendezvous. The
anonymous letter was therefore worth nothing.</p>
<p>The moment the engineer set foot on the platform at the end of his
journey, the young man advanced towards him.</p>
<p>"Are you Harry Ford?" asked the engineer quickly.</p>
<p>"Yes, Mr. Starr."</p>
<p>"I should not have known you, my lad. Of course in ten years you have
become a man!"</p>
<p>"I knew you directly, sir," replied the young miner, cap in hand. "You
have not changed. You look just as you did when you bade us good-by in
the Dochart pit. I haven't forgotten that day."</p>
<p>"Put on your cap, Harry," said the engineer. "It's pouring, and
politeness needn't make you catch cold."</p>
<p>"Shall we take shelter anywhere, Mr. Starr?" asked young Ford.</p>
<p>"No, Harry. The weather is settled. It will rain all day, and I am in a
hurry. Let us go on."</p>
<p>"I am at your orders," replied Harry.</p>
<p>"Tell me, Harry, is your father well?"</p>
<p>"Very well, Mr. Starr."</p>
<p>"And your mother?"</p>
<p>"She is well, too."</p>
<p>"Was it your father who wrote telling me to come to the Yarrow shaft?"</p>
<p>"No, it was I."</p>
<p>"Then did Simon Ford send me a second letter to contradict the first?"
asked the engineer quickly.</p>
<p>"No, Mr. Starr," answered the young miner.</p>
<p>"Very well," said Starr, without speaking of the anonymous letter. Then,
continuing, "And can you tell me what you father wants with me?"</p>
<p>"Mr. Starr, my father wishes to tell you himself."</p>
<p>"But you know what it is?"</p>
<p>"I do, sir."</p>
<p>"Well, Harry, I will not ask you more. But let us get on, for I'm
anxious to see Simon Ford. By-the-bye, where does he live?"</p>
<p>"In the mine."</p>
<p>"What! In the Dochart pit?"</p>
<p>"Yes, Mr. Starr," replied Harry.</p>
<p>"Really! has your family never left the old mine since the cessation of
the works?"</p>
<p>"Not a day, Mr. Starr. You know my father. It is there he was born, it
is there he means to die!"</p>
<p>"I can understand that, Harry. I can understand that! His native mine!
He did not like to abandon it! And are you happy there?"</p>
<p>"Yes, Mr. Starr," replied the young miner, "for we love one another, and
we have but few wants."</p>
<p>"Well, Harry," said the engineer, "lead the way."</p>
<p>And walking rapidly through the streets of Callander, in a few minutes
they had left the town behind them.</p>
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