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acid Alps analysis ancient angles animals appears atoms beds Bissehir bituminous shale bodies Bohemia bones calcareous carbon character chemical coal codeine coke colour contain copper crania crust crystalline crystals density deposits depth distance earth Edinburgh electricity elevation eocene epoch existing experiments fact feet formation fossil genera geological geologists glaciers globe granite heat improvements inches iodine iron Kumaon less lime limestone lower magnetic mass matter mean metal metres mica miles mineral mountains Naloo nature nearly nitric acid northern nummulitic observations obtained occur organic oxide oxygen pebbles period phenomena polype portion potash present Professor quantity quartzites rain remarkable rocks Roderick Murchison Scotland shale shells shew shewn Silicic Silicic acid Silurian snow snow-line southern species specific gravity specimen spheroidal square prismatic strata striated substance sulphur summit surface syenite temperature tertiary theory thick tion torsion balance Trilobites valleys velocity volcanic
Seite 247 - Thou hast the starry gems, the burning gold, Won from ten thousand royal Argosies. Sweep o'er thy spoils, thou wild and wrathful Main ! Earth claims not these again!
Seite 237 - ... and whoever dwells upon this subject must be convinced, that the present order of things, and the comparatively recent existence of man as the master of the globe, is as certain as the destruction of a former and a different order, and the extinction of a number of living forms which have no types in being.
Seite 186 - Introduction to Conchology ; or Elements of the Natural History of Molluscous Animals. By GEORGE JOHNSTON, MD, LL.D., Fellow of the Royal College of Surgeons of Edinburgh, author of ' A History of the British Zoophytes.
Seite 17 - European forest-trees die out, he would reply that such alterations in the inanimate world might be multiplied indefinitely before he should have reason to anticipate, by reference to any known data, that the existing species of trees in our forests would disappear and give place to others. In a word, the movement of the inorganic world is obvious and palpable, and might be likened to the minute-hand of a clock, the progress of which can be seen and heard, whereas the fluctuations of the living creation...
Seite i - Address delivered at the Anniversary Meeting of the Geological Society of London, on the 15th of February, 1856, by John William Hamilton, Esq., President of the Society.
Seite 164 - Calcutta is about fifteen feet annually, that between the Cape of Good Hope and Calcutta averages in October and November nearly, three quarters of an inch daily ; betwixt 10° and 20° in the Bay of Bengal it was found to exceed an inch daily. Supposing this to be double the average throughout the year, we shall, instead of three, have eighteen feet of evaporation annually...
Seite 268 - Medusabud falls off before its full development, while this is not so with plants. But it is obvious that this is unimportant in its bearing on this subject. It is a consequence of the grand difference in the mode of nutrition in the two kingdoms of nature ; for the plant-bud on separation loses its...
Seite 162 - By felling the trees that cover the tops and the sides of mountains, men in every climate prepare at once two calamities for future generations, the want of fuel and scarcity of water.