The Quarterly Journal of Science, Volume 4John Churchill and Sons, 1867 |
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Page 2
... considered it one of the most popular books , " and certainly one of the most valuable that has appeared since Mr. Playfair's well - known Illustrations of the Huttonian Theory . " " + 6 Perhaps the most graceful allusion to the merits ...
... considered it one of the most popular books , " and certainly one of the most valuable that has appeared since Mr. Playfair's well - known Illustrations of the Huttonian Theory . " " + 6 Perhaps the most graceful allusion to the merits ...
Page 3
... considered geologic that is not represented by rock- masses on some part of the present surface of the globe . No doubt there were pre - Laurentian periods ; but at present we know nothing of them , and they cannot yet be considered to ...
... considered geologic that is not represented by rock- masses on some part of the present surface of the globe . No doubt there were pre - Laurentian periods ; but at present we know nothing of them , and they cannot yet be considered to ...
Page 8
... considered , and if we are supposed to possess a complete knowledge of its geological history , then no doubt all divisions are arbitrary- for there must have been a continuous sequence of deposits . But in the present state of our ...
... considered , and if we are supposed to possess a complete knowledge of its geological history , then no doubt all divisions are arbitrary- for there must have been a continuous sequence of deposits . But in the present state of our ...
Page 12
... considered to have been scooped out by the sea may have been excavated by rain and rivers , or vice versá ; but a multitude of such instances , unless they embrace every possible character of valley and circumstance of occurrence , is ...
... considered to have been scooped out by the sea may have been excavated by rain and rivers , or vice versá ; but a multitude of such instances , unless they embrace every possible character of valley and circumstance of occurrence , is ...
Page 39
... considered to form the best and most convincing of all the various proofs of the former existence of glaciers and icebergs in places where they are not now found .. 5th . BOULDERS AND PERCHED BLOCKS . - As a glacier in its passage down ...
... considered to form the best and most convincing of all the various proofs of the former existence of glaciers and icebergs in places where they are not now found .. 5th . BOULDERS AND PERCHED BLOCKS . - As a glacier in its passage down ...
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Common terms and phrases
action ammonia amongst amount animals Annelids appears atmosphere attention body British Cader Idris carbonic acid Carboniferous causes chemical cholera coal colliery colour considerable containing copper deposits described districts effect electric Eocene evidence Exhibition existence experiments fact favour feet fossil Geological geologists give glaciers heat hydrogen important inches India interesting iron Journal labour lakes light Liverpool Loch Katrine London Manchester matter means metal meteors miles mineral mines Miocene nature nitrogen North notice observations obtained occur organic original oxidation oxygen paper passed period plants Pliocene portion Pratas Island present probably produced Professor published quantity Railway recently referred remarkable render river rocks Royal Royal Geographical Society sanitary sewage Silurian Sir Charles Lyell Sir John Lubbock Society solution species strata supply surface temperature thallium theory tion town valley whilst
Popular passages
Page 157 - The most insignificant insects and reptiles are of much more consequence, and have much more influence in the economy of Nature, than the incurious are aware of; and are mighty in their effect, from their minuteness, which renders them less an object of attention: and from their numbers and fecundity. Earthworms, though in appearance a small and despicable link in the chain of Nature, yet, if lost, would make a lamentable chasm.
Page 604 - SOUND : a Course of Eight Lectures delivered at the Royal Institution of Great Britain. By JOHN TYNDALL, LL.DFRS New Edition, crown 8vo.
Page 395 - The Calculus of Chemical Operations ; ' being a method for the investigation, by means of symbols, of the laws of the distribution of weight in chemical change ; Part I., on the construction of chemical symbols, 'Phil.
Page 121 - I tell you, captain, if you look in the maps of the 'orld, I warrant you shall find, in the comparisons between Macedon and Monmouth, that the situations, look you, is both alike. There is a river in Macedon ; and there is also moreover a river at Monmouth...
Page 494 - The Exhibition of 1851 is to give us a true test and a living picture of the point of development at which the whole of mankind has arrived in this great task, and a new starting point from which all nations will be able to direct their further exertions.
Page 283 - ... -0067 in diameter, by its making a powerful electro-magnet, by its decomposing water, and by other tests. The explanation of these effects is as follows : — The electro-magnet always retains a slight residual magnetism, and is therefore in the condition of a weak permanent magnet ; the motion of the armature occasions feeble currents in alternate directions in the coils thereof, which, after being reduced to the same direction, pass into the coil of the electro-magnet in such...
Page 142 - A General Dictionary of Geography, Descriptive, Physical, Statistical, and Historical ; forming a complete Gazetteer of the World. By A. KEITH JOHNSTON, FRSE 8vo. 31s. 6d. M'Culloch's Dictionary, Geographical, Statistical, and Historical, of the various Countries, Places, and principal Natural Objects in the World.
Page 158 - ... worms seem to be the great promoters of vegetation, which would proceed but lamely without them, by boring, perforating, and loosening the soil, and rendering it pervious to rains and the fibres of plants, by drawing straws and stalks of leaves and twigs into it ; and, most of all, by throwing up such infinite numbers of lumps of earth called worm-casts, which, being their excrement, is a fine manure for grain and grass.
Page 15 - ... type in a great many groups of animals of long-continued geological existence. In these groups there is abundant evidence of variation — none of what is ordinarily understood as progression; and, if the known geological record is to be regarded as even any considerable fragment of the whole, it is inconceivable that any theory of a necessarily progressive development can stand, for the numerous orders and families cited afford no trace of such a process.
Page 481 - A crest of topaz is no better in the struggle for existence than a crest of sapphire. A frill ending in spangles of the emerald is no better in the battle of life than a frill ending in the spangles of the ruby.