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Some writer tells that "a geologist has estimated that a single windstorm across the Sahara once carried nearly 2,000,000 tons of dust from Africa and deposited it over Italy, Austria, France and Germany." At the end of four months spent in Tripolitania, John Cornwall's contract for a year's service with the Y expired and he asked for transportation to America.

The pebbles in the road are rock; the very mould in our gardens is largely composed of crumbled rock. So the word in its geological sense is a word of wide meaning. Now the business of the geologist is to read the history of the past in these rocks of which the earth's crust is made. This may seem a singular thing to do, and I can assure you it is not an easy task.

Something of the same notion came vaguely to the geologist at the same time; and with a vigor that was quite uncalled for, he urged: "I say, 'safety first. We shouldn't have left the cube unguarded. I propose that one of us, at least, return to the surface while the others attend this meeting or trap, for all we know." "All right," said Billie promptly.

Away from habitations, you know that the fisherman, the geologist, the botanist may have been there, or that the cows have been driven home and that somewhere there are bars and a milk-pail. Even in the midst of houses, the path suggests school-children with their luncheon-baskets, or workmen seeking eagerly the noonday interval or the twilight rest.

If you are a stranger, you will think of it as "Wales" a strange country; if you are Welsh, you will think of it as "Cymru" a land of brothers. The geologist will tell you how Wales was made; the geographer will tell you what it is like now; the historian will tell you what its people have done and what they are. All three will tell you that it is a very interesting country.

And in the distant future, a geologist examining these beds, might be tempted to conclude that the average duration of life of the embedded fossils had been less than that of the glacial period, instead of having been really far greater, that is extending from before the glacial epoch to the present day.

One of these was M. Hoffman, who visited it in 1828. This eminent geologist, while having his legs held by his companions, stretched his head over the precipice, and, looking right down into the mouth of one of the vents of the crater immediately under him, watched the play of liquid lava within it. Its surface resembled molten silver, and was constantly rising and falling at regular intervals.

Pett's; and there, beyond expectation, he did present me with a Japan cane, with a silver head, and his wife sent me by him a ring, with a Woolwich stone; The late Mr. Tennant, the geologist, of the Strand, had a collection of such stones. In the British Museum is a nodule of globular or Egyptian jasper, which, in its fracture, bears a striking resemblance to the well-known portrait of Chaucer.

This hill was one of a range that ran from north to southwest; but in consequence of its standing, as it were, somewhat out of the ranks, its whole appearance and character as a distinct feature of the country were invested with considerable interest to a scientific eye, especially to that of a geologist.

But suppose, now, that an astronomer or a physicist for instance, my friend Sir William Thomson tells me that my geological authority is quite wrong; and that he has weighty evidence to show that life could not possibly have existed upon the surface of the earth 500,000,000 years ago, because the earth would have then been too hot to allow of life, my reply is: "That is not my affair; settle that with the geologist, and when you have come to an agreement among yourselves I will adopt your conclusion."