A Memoir of William Maclure, Esq: Late President of the Academy of Natural Sciences of Philadelphia

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Merrihew and Thompson, Printers, 1844 - 33 páginas
 

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Página 28 - Observations on the geology of the United States of America; with some remarks on the effect produced on the nature and fertility of soils, by the decomposition of the different classes of rocks; and an application to the fertility of every state in the Union, in reference to the accompanying geological map.
Página 8 - All inquiry into the nature and properties of rocks, or the relative situation they occupy on the surface of the earth, has been much neglected. It is only since a few years that it has been thought worth the attention of either the learned or unlearned; and even now a great proportion of both treat such investigations with contempt, as beneath their notice.
Página 13 - Europe, embracing nearly fifteen hundred volumes ; among which were six hundred quartos and one hundred and forty-six folios on Natural History, Antiquities, the Fine Arts, Voyages and Travels. " The value of these acquisitions was greatly enhanced by the fact that they were possessed by no other institution on this side of the Atlantic. The Academy therefore derived from this source a prosperity and permanence which, under other circumstances, must have been extremely slow and uncertain ; •while...
Página 1 - Resolved, That the thanks of the Society be tendered to GEO. Ri£EK for his very able and highly interesting address, and that he be requested to furnish a copy of the same for publication.
Página 6 - He went forth with his hammer in his hand and his wallet on his shoulder, pursuing his researches in every direction, often amid pathless tracts and dreary solitudes, until he had crossed and recrossed the Alleghany mountains no less than fifty times. He encountered all the privations of hunger, thirst, fatigue and exposure, month after month, and year after year, until his indomitable spirit had conquered every difficulty, and crowned...
Página 4 - ... intelligence of humanity. Every region is explored, every locality is anxiously searched for new objects of utility, or new sources of study and instruction. In connection with these gratifying facts, it will be reasonably inquired, who were they who fostered the early infancy of Science in our country ? Who were they who stood forth, unmindful of the sneer of ignorance and the frown of prejudice, to unveil the fascinating truths of Nature ? Among the most zealous and efficient of these pioneers...
Página 7 - ... involved in wars with European nations. Maclure's observations, as already noted, were made in almost every State and Territory in the Union, from the river St. Lawrence to the Gulf of Mexico...
Página 6 - At a time when scientific pursuits were little known and still less appreciated in this country, he commenced his herculean task. He went forth with his hammer in his hand and his wallet on his shoulder, pursuing his researches in every direction, often amid pathless tracts and dreary solitudes until he had crossed and re-crossed the Alleghany mountains no less than fifty times. He encountered all the privations of hunger, thirst, fatigue, and exposure, month after month, year after year, until his...
Página 27 - ... Maclure a copy of these resolutions. Mr. Maclure died before he had accomplished all his views in respect to this institution ; for, looking forward, as he did, to renewed personal intercourse with its members, he intended to inquire for himself into the most available modes of extending its usefulness. This, as we have seen, was denied him ; but the spirit of science which was inherent in him, has descended upon his brother and sister ; and to these estimable and enlightened individuals, we...
Página 26 - ... conspicuous trait of his character. Those who knew him in early life, represent him to have been remarkable for personal endowments ; a fact which is evident in the full-length portrait now in possession of his family, and which was painted upwards of forty years ago by the celebrated Northcote. The engraved likeness which accompanies this memoir, is copied from a portrait taken by Mr . Sully, in 1824, at which period Mr. Maclure was about sixty-three years of age. Such was WILLIAM MACLURE, whose...

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