Essay on the Theory of the EarthW. Blackwood, 1827 - 550 pages |
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Common terms and phrases
according alluvial Alps ancient animals antiquity appear beak beds belong bird bottom causes cave cetacea chalk Christ coast commencement composed constellations contain coral covered Ctesias curlew Cuvier deer degree deluge deposited Deucalion dikes discovered earth Egypt Egyptians elephants epoch exist fact feet figure fissures formations fossil fossil remains fragments genera genus globe gypsum height heliacal rising Herodotus hippopotamus horns hyena ibis inhabitants IRISH ELK islands Jura known lakes land lastly length less limestone lithophytes loose blocks Manetho marsches mass mastodons Memoirs monuments mountains mummies naturalists nature observed occur Ogyges origin oviparous pachydermata period petrifactions plants present day preserved primitive produced quadrupeds regard remarkable Researches resemblance revolutions rhinoceros rivers rocks sand sandstone seen shells shew shores side skeleton soil solid solstice species stalactites stone strata supposed surface Tantalus teeth tion valleys vegetation vertebræ zodiac
Popular passages
Page 7 - The lowest and most level parts of the earth, when penetrated to a very great depth, exhibit nothing but horizontal strata composed of various substances, and containing almost all of them innumerable marine productions. Similar strata, with the same kind of productions, compose the hills even to a great height. Sometimes the shells are so numerous as to constitute the entire body of the stratum. They are almost...
Page 389 - Entire trunks of trees, which are carried by the rivers from other countries and islands, find here, at length, a resting-place, after their long wanderings ; with these come some small animals, such as lizards and insects, as the first inhabitants. Even before the trees form a wood, the...
Page 379 - Nothing can be more melancholy, says this traveller, than to walk over villages swallowed up by the sand of the desert, to trample under foot their roofs, to strike against the summits of their minarets, to reflect that yonder were cultivated fields, that there grew trees, that here were even the dwellings of men, and that all has vanished.
Page 387 - ... high as the common tides reach. That elevation surpassed, the future remnants, being rarely covered, lose their adhesive property ; and remaining in a loose state, form what is usually called a key, upon the top of the reef. The new bank is not long in being visited by sea-birds : salt plants take root upon it, and a soil begins to be...
Page 87 - In short, the shape and structure of the teeth regulate the forms of the condyle, of the shoulder-blade, and of the claws, in the same manner as the equation of a curve regulates all its other properties; and, as in regard to any particular curve, all its properties may be ascertained by assuming each separate property as the foundation of a particular equation ; in the same manner a claw, a shoulder-blade, a condyle, a leg or...
Page 379 - Egypt, that summits of the ruins of ancient cities, buried under these sands still appear externally; and that but for a ridge of mountains called the Lybian chain, which borders the left bank of the Nile, and forms, in the parts where it rises, a barrier against the invasion of these sands, the shores of the river, on that side, would long since have ceased to be habitable. " Nothing can be more melancholy...
Page 3 - ... genius and science have burst the limits of space, and a few observations, explained by just reasoning, have unveiled the mechanism of the universe. Would it not also be glorious for man to burst the limits of time, and. by a few observations, to ascertain the history of this world, and the series of events which preceded the birth of the human race?
Page 239 - Dolomieu, in thinking that if anything in Geology be established it is that the surface of our globe has undergone a great and sudden revolution, the date of which cannot be referred to a much earlier period than five or six thousand years ago...