The Canadian Naturalist and Geologist, Volumen1Dawson., 1864 |
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... DAWSON BROTHERS , No. 23 GREAT ST . JAMES STREET ; BAILLIERE BROTHERS , LONDON , PARIS , AND NEW YORK . PRINTED BY JOHN LOVELL , MONTREAL . Price Three Dollars per Annum , in Advance . This Magazine is published bi - monthly , and is.
... DAWSON BROTHERS , No. 23 GREAT ST . JAMES STREET ; BAILLIERE BROTHERS , LONDON , PARIS , AND NEW YORK . PRINTED BY JOHN LOVELL , MONTREAL . Price Three Dollars per Annum , in Advance . This Magazine is published bi - monthly , and is.
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... John C. Schültz , the active Secretary of the Scientific Institute of Rupert's Land , called attention some time ago to the trade which was then being carried on in exporting ginseng Aralia quinquefolia from Minnesota to China . In ...
... John C. Schültz , the active Secretary of the Scientific Institute of Rupert's Land , called attention some time ago to the trade which was then being carried on in exporting ginseng Aralia quinquefolia from Minnesota to China . In ...
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... John Herschel , who sought to explain the origin of metamorphism and of volcanic phenomena by the action of the internal heat of the earth upon deeply buried sediments impreg- nated with water . ( Proc . Geol . Soc . of London , vol ...
... John Herschel , who sought to explain the origin of metamorphism and of volcanic phenomena by the action of the internal heat of the earth upon deeply buried sediments impreg- nated with water . ( Proc . Geol . Soc . of London , vol ...
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... John Leeming , Esq . , and others . The Hall was crowded throughout , many being unable to obtain seats . The fine band of the Royal Artillery was present , by the kind permission of Col. Dunlop , R.A. The introductory address was ...
... John Leeming , Esq . , and others . The Hall was crowded throughout , many being unable to obtain seats . The fine band of the Royal Artillery was present , by the kind permission of Col. Dunlop , R.A. The introductory address was ...
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... John , down the Saguenay and up the north shores of the St. Lawrence , disappearing southward at some point unknown to us . It must have been very interesting to him to note the grad- ual change of the vegetable productions in his ...
... John , down the Saguenay and up the north shores of the St. Lawrence , disappearing southward at some point unknown to us . It must have been very interesting to him to note the grad- ual change of the vegetable productions in his ...
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Pasajes populares
Página 103 - ... The most easy and practical mode of effecting their division is to pour over the bones, in a state of fine powder, half of their weight of sulphuric acid diluted with three or four parts of water, and after they have been digested for some time, to add one hundred parts of water, and sprinkle this mixture over the field before the plough.
Página 17 - Erdkorpers, published in 1834, maintained that all crystalline non-stratified rocks, from granite to lava, are products of the transformation of sedimentary strata, in part very recent, and that there is no well-defined line to be drawn between Neptunian and volcanic rocks, since they pass into each other. Volcanic phenomena, according to him, have their origin not in an igneous fluid centre, nor...
Página 107 - Waterloo, and of the Crimea; already from the catacombs of Sicily she has carried away the skeletons of many successive generations. Annually she removes from the shores of other countries to her own the manurial equivalent of three million and a half of men, whom she takes from us the means of supporting, and squanders down her sewers to the sea.
Página 394 - This increase of bulk, he says, must sometimes give rise to a mechanical force of expansion capable of uplifting the incumbent crust of the earth ; and the same force may act laterally so as to compress, dislocate, and tilt the strata on each side of a mass in which the new chemical changes are developed. The calculations made by this eminent German chemist of the exact amount of...
Página 107 - England is robbing all other countries of the condition of their fertility. Already, in her eagerness for bones, she has turned up the battle-fields of Leipzig, of Waterloo, and of the Crimea; already from the catacombs of Sicily she has carried away the skeletons of many successive generations.
Página 392 - ... and streams of lava which the volcano pours out on the surface. To one who urges such an objection it may be said that the quantity of solid as well as gaseous matter transferred by springs from the interior of the earth to its surface is far more considerable than is commonly imagined. The thermal waters of Bath are far from being conspicuous among European hot springs for the quantity of mineral matter contained in them in proportion to the water which acts as a solvent ; yet...
Página 217 - To Lavoisier belongs the noble initiation of the work; to Davy, its splendid prosecution; to Liebig, its glorious consummation. Embracing in his masterly induction the results of all foregone and contemporary investigation, and supplying its large defects by his own incomparable rc-carches, Liebig has built up on imperishable foundations, as a connected whole, the code of simple general laws on which regenerated agriculture must henceforth for all time repose."— International Exhibition Report,...
Página 395 - Thermal springs, charged with carbonic acid and with hydrofluoric acid (which last is often present in small quantities), are powerful causes of decomposition and chemical reaction in rocks through which they percolate. If, therefore, large bodies of hot water permeate mountain-masses at great depths, they may, in the course of ages, superinduce in them a crystalline structure ; and, in some cases, strata in a lower position and of older date may be comparatively unaltered, retaining their fossil...
Página 395 - ... mountain-masses at great depths, they may, in the course of ages, superinduce in them a crystalline structure ; and, in some cases, strata in a lower position and of older date may be comparatively unaltered, retaining their fossil remains undefaced, while newer rocks are rendered metamorphic. This may happen where the waters, after passing upwards for thousands of feet, meet with some obstruction, as in the case of the Wheal-Clifford spring, causing the same to be laterally diverted so as to...
Página 228 - Nor would I exclude altogether the action of glaciers in eastern America, though I must dissent from any view which would assign to them the principal agency in our glacial phenomena. Under a condition of the continent in which only its higher peaks were above the water, the air would be so moist, and the temperature so low, that permanent ice may have clung about mountains in the temperate latitudes. The striation itself shows that there must have been extensive glaciers, as now, in the extreme...