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On the contrary, M. E. de Beaumont has judiciously observed that we ought to find in veins those substances which, being least soluble, are not discharged by hot springs or that class of simple and compound bodies which the thermal waters ascending from below would first precipitate on the walls of a fissure, as soon as their temperature began slightly to diminish.
We will arrange for the expedition to start in the early autumn of the year of our Lord 831,800, or about twenty thousand years before the earth shall reach its next superior limit of eccentricity, all of us eager, of course, to brave the climatic vicissitudes of the journey, and to solve the "great problem of the ages," which is, to determine how the gigantic elephantoids of the Eocene period managed to cross the thermal equator, and pass into the present arctic regions of our globe.
A mechanical, a thermal, or a chemical irritant, acting alone, induces a degree of reaction directly proportionate to its physical properties, and so long as it does not completely destroy the vitality of the part involved, the changes in the tissues are chiefly directed towards repairing the damage done to the part, and the inflammatory reaction is not only compatible with the occurrence of ideal repair, but may be looked upon as an integral step in the reparative process.
The thermal waters of Buxton have been celebrated from the time of the Romans. The town is situated in a deep basin, surrounded by bleak hills and barren moors, in strong contrast to the verdant valley in which the village of Matlock lies. The only entrance to and exit from this basin is by a narrow ravine, through which the river Wye flows on its way to join the Derwent toward Bakewell.
Something in the seed we plant avails itself of the heat and the moisture. The relation is not that of a thermometer or hygrometer to the warmth and moisture of the air; it is a vital relation. Life may be called an aquatic phenomenon, because there can be no life without water. It may be called a thermal phenomenon, because there can be no life below or above a certain degree of temperature.
The first seven lectures of the course deal with thermometric heat, expansion, combustion, conduction, specific and latent heat, and the relation of this force to mechanical processes; while the remaining five treat of radiant heat, the law and conditions of its movement, its influence upon matter, its relations to other forces, terrestrial and solar radiation, and the thermal energies of the solar system.
In this way the spectrum discloses a threefold differentiation of that region of force, which up to now we have called simply levity, into activities producing chemical, optical and thermal effects. So far physical investigation is able to lead us, but no further.
At this time o' the year Barbados is about on the thermal equator half-way between the trades. This is a West India cyclone, and we're somewhere around Hatteras. No wonder the port tack drifted us into the center. Storms revolve against the sun north o' the line, and with the sun south of it. Oh, I'm the two ends and the bight of a d d fool! Wear ship!" he added in a thundering roar.
The question, bear in mind, which he was specially called upon to solve, was how the temperate forms north those, for instance, of the warm and cold temperate zones managed to cross the thermal equator, and invade the corresponding zones in the southern hemisphere; just as though there was any more necessity of determining this question than the opposite one, of how the southern forms came to invade the northern hemisphere.
In the following spring, having suffered considerably from the severities of the winter campaign, he found the difficulty in speaking, and in moving his left arm, considerably increased.—On employing the thermal waters of Bourbonne, his speech become freer, but, on his return to Paris, the Palsy was increased, and the arm somewhat wasted.—In the beginning of the next spring he went to Balaruc; when he became affected with involuntary convulsive motions all over the body.
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