The Canadian Naturalist and Geologist, 3권Dawson., 1858 |
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acid Algæ American amount animals appear Aurora Borealis Auroral Light base beds branches Bryozoa C. C. Str Canada Canadian carbonic Carboniferous cells centre Cetacea character Chenot clay Clear coal collection common containing corallites Crinoids deposits Devonian discovery evaporation exhibited existence facts feet formation fossils frond Gaspé genera genus geological geologists gneiss Graptolites GRAPTOLITHUS Hudson River Hudson River Group inches insects interesting iron island Lake larvæ lime limestone Linn Locality and Formation.-Point lower magnesia margin masses Michaux miles mineral Montreal mountain Natural History naturalists nearly observed obtained occur organic period plants plates portion potash present Prof radicle Rain remains Report rocks salt sandstone scientific serratures shales side silica Silurian Sir W. E. Logan Snow Society soda species specimens strata structure sulphate surface thickness tion upper vegetable whole Zodiacal Light
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377 페이지 - The end of our foundation is the knowledge of causes, and secret motions of things; and the enlarging of the bounds of human empire, to the effecting of all things possible.
201 페이지 - We conceive that the earth's solid crust of anhydrous and primitive igneous rock is everywhere deeply concealed beneath its own ruins, which form a great mass of sedimentary strata, permeated by water. As heat from beneath invades these sediments, it produces in them that change which constitutes normal metamorphism. These rocks, at a sufficient depth, are necessarily in a state of igneo-aqueous fusion, and in the event of fracture of the overlying strata, may rise among them, taking the form of...
113 페이지 - Indiana, during the months of April, May, June, July, August. September and October, of any year: Provided, That nothing in.
227 페이지 - The meeting then proceeded to the election of officers for the ensuing year, and Messrs.
283 페이지 - Professor of the Literature of the Arts of Design" in the educational institution termed the University of New York; but he never delivered a single lecture.
54 페이지 - Peculiar mental powers are associated with this highest form o^ brain, and their consequences wonderfully illustrate the value of the cerebral character ; according to my estimate of which, I am led to regard the genus Homo, as not merely a representative of a distinct order, but of a distinct subclass of the Mammalia, for which I propose the name of ' Arckenctphala,
142 페이지 - ... or of few or many simple or variously bifurcating branches, radiating more or less regularly from a centre, and in the compound forms united towards their base in a continuous thin corneous membrane or disk formed by an expansion of the substance of the branches, and which in the living state may have been in some degree gelatinous. Branches with a single or double series of cellules or serratures, communicating with a common longitudinal canal, affixed by a slender radix or pedicle from the...
383 페이지 - ... for example. It is impossible to foresee the extent to which Chemistry may not ultimately, in the production of things needful, supersede the present vital agencies of nature " by laying under contribution the accumulated forces of past ages, which would thus enable us to obtain in a small manufactory, and in a few days, effects which can be realized from present natural agencies, only when they are exerted upon vast areas of land, and through considerable periods of time...
376 페이지 - With these conditions of life, palaeontology demonstrates that life has been enjoyed during the same countless thousands of years ; and that with life, from the beginning, there has been death.
200 페이지 - ... implicated in volcanic phenomena. It is to Sir John FW Herschel that we owe, so far as I am aware, the first suggestions of the theory of volcanic action which I have here brought forward. In a letter to Sir Charles Lyell, dated February 20, 1836, (Proceedings Geol.