The Ancient World: Or, Picturesque Sketches of CreationJ. Van Voorst, 1847 - 408 páginas |
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Página 12
... marked by a great change in organic remains , so that we have three sets of beds , which we may call respectively the Ancient , the Mid- dle , and the Modern , and each of these we may con- veniently look upon as denoting a lapse of ...
... marked by a great change in organic remains , so that we have three sets of beds , which we may call respectively the Ancient , the Mid- dle , and the Modern , and each of these we may con- veniently look upon as denoting a lapse of ...
Página 14
... marked by the presence of vege- tables and the first introduction of reptilian animals . ( Permian and Carboniferous . ) 3. The Period of fishes . ( Devonian . ) 2. The Period of invertebrated animals . ( Silurian . ) 1. The Period ...
... marked by the presence of vege- tables and the first introduction of reptilian animals . ( Permian and Carboniferous . ) 3. The Period of fishes . ( Devonian . ) 2. The Period of invertebrated animals . ( Silurian . ) 1. The Period ...
Página 16
... marked by a chaotic state of igneous fusion , and characterised by fre- quent disturbances of the surface consequent upon cooling from such a state . Let us consider for a moment what kind of rocks are exhibited to us when we examine ...
... marked by a chaotic state of igneous fusion , and characterised by fre- quent disturbances of the surface consequent upon cooling from such a state . Let us consider for a moment what kind of rocks are exhibited to us when we examine ...
Página 24
... marked by the presence of sand ob- tained from the quartz of the granite , and also oc- casionally distinguished by the presence of mica . In those parts of England and Wales in which these rocks have been discovered , they have been ...
... marked by the presence of sand ob- tained from the quartz of the granite , and also oc- casionally distinguished by the presence of mica . In those parts of England and Wales in which these rocks have been discovered , they have been ...
Página 27
... marked by the preva- lence of these more highly organized beings . As the animals of the newer differ so little from those of the older portion of the first period , at least in points which admit of general description , I shall not ...
... marked by the preva- lence of these more highly organized beings . As the animals of the newer differ so little from those of the older portion of the first period , at least in points which admit of general description , I shall not ...
Outras edições - Ver tudo
The Ancient World: Or, Picturesque Sketches of Creation David Thomas Ansted Visualização integral - 1847 |
The Ancient World, Or, Picturesque Sketches of Creation David Thomas Ansted Visualização integral - 1847 |
The Ancient World: Or, Picturesque Sketches of Creation David Thomas Ansted Pré-visualização indisponível - 2016 |
Palavras e frases frequentes
abundant adapted ammonite analogies ancient animals appear beds belemnite belonging birds bivalve body bones bony Brachiopoda carboniferous carnivorous Cephalopoda chalk character characteristic chiefly coal Coccosteus condition considerable continent coral covered crocodiles crustaceans deposit distinct districts earth elephant elevation enable encrinites England epoch Europe exhibit existing extended extinct extremities feet fins fishes fossils fragments genus geological gigantic habits head hyæna Ichthyosaurus Iguanodon important indications inhabitants islands kind known land length lias limestone London clay marine marked Megalosaurus nature nautilus nearly allied newer old red sandstone older oolitic peculiarities perhaps plates Plesiosaurus powerful present preserved probably proportions quadrupeds red sandstone remains remarkable represented reptiles reptilian resembling rocks sand scales secondary period sharks shell silurian singular skeleton species specimens strata structure surface tail teeth tertiary thick tion tract trees tribe Trilobites univalve various vast vegetable vertebræ whole
Passagens conhecidas
Página 307 - The head was covered with a dry skin ; one of the ears, well preserved, was furnished with a tuft of hairs.
Página 308 - Covered with reddish wool and black hairs; but the dampness of the spot where it had lain so long had in some degree destroyed the hair. The entire carcase, of which I collected the bones on the spot, was nine feet four inches high, and sixteen feet four inches long, without including the tusks, which measured nine feet six inches along the curve. The distance from the base or root of the tusk to the point is three feet seven inches. The two tusks together weighed three hundred and sixty pounds English...
Página 201 - ... to the form of the body, for the head was totally different, the snout being enormously elongated, and the eyes exceedingly large ; while the organs of flight or wings were even more powerful in proportion, and the legs were probably capable of being used in the water, assisting the animal to swim. Let us now consider a little more in detail some of the peculiarities of structure of this strange monster. In the first place, the skull, far from resembling that of a bat or bird, resembles in its...
Página 376 - And now let us picture to ourselves the massive frame of the Megatherium, convulsed with the mighty wrestling, every vibrating fibre re-acting upon its bony attachment with a force which the...
Página 306 - ... quite free from ice. The summer of 1802 was cold, but in 1803 part of the ice between the earth and the mammoth, for such was the object, having melted more rapidly than the rest, the plane of its support became inclined, and the enormous mass fell by its own weight on a bank of sand.
Página 308 - It is interspersed with a few bristles, about three inches long, of a dark reddish colour. Among the separate parcels of hair are some rather redder than the short hair just mentioned, about four inches long, and some bristles nearly black, much thicker than horse hair, and from twelve to eighteen inches long.
Página 15 - ... of igneous fusion), and that it cooled gradually at the surface, perhaps by exposure in space, contracting in dimensions as it cooled and hardened. In this manner, it may be, a succession of thin solid crusts were formed, each in succession shrinking and cracking, until at length, when a certain balance was arrived at between the thickness of the crust, the rate of cooling, and the amount of internal heat, there would be left a rough uneven surface, having many elevations and depressions, its...
Página 307 - found the Mammoth still in the same place, but altogether mutilated. The prejudices being dissipated because the Tungusian chief had recovered his health, there was no obstacle to prevent approach to the...
Página 234 - ... particles, and turn them back into the ascending stream of animal life. Having converted the dead and decomposing particles into their own living tissues, they themselves become the food of larger Infusoria...
Página 178 - Prowling about at a great depth, where the reptilian structure of its lungs, and the bony apparatus of the ribs would allow it to remain for a long time without coming to the air to breathe, we may fancy we see this strange animal, with its enormous eyes directed upwards, and glaring like globes of fire. Its length is some thirty or forty feet, its head being six or eight feet long ; and it has paddles and a tail like a shark ; its whole energies are fixed on what is going on above, where the' plesiosaurus...