Nature, Том 7Sir Norman Lockyer Macmillan Journals Limited, 1873 |
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... kind of plateau . The famous eruption of A.D. 79 , which happened unexpectedly after a very long period of repose , entirely changed the form of the mountain . Very little lava seems to have been given forth during that eruption , which ...
... kind of plateau . The famous eruption of A.D. 79 , which happened unexpectedly after a very long period of repose , entirely changed the form of the mountain . Very little lava seems to have been given forth during that eruption , which ...
Стр. 8
... kind , and some fossils have been sent to Sweden and to Zurich . Captain Johnsen explored the east , south - east , and north - east coasts , and so far as his observations went , ice is to be found only on the north coast . The fact of ...
... kind , and some fossils have been sent to Sweden and to Zurich . Captain Johnsen explored the east , south - east , and north - east coasts , and so far as his observations went , ice is to be found only on the north coast . The fact of ...
Стр. 25
... kind , was due the foundation of an Observatory at Brussels , which received its instruments in 1834 ; and with the election of this astronomer at that period to the office of perpetual secretary commenced the era of scientific and ...
... kind , was due the foundation of an Observatory at Brussels , which received its instruments in 1834 ; and with the election of this astronomer at that period to the office of perpetual secretary commenced the era of scientific and ...
Стр. 31
... kind , and the male and female care nothing for their companions , who rush and tumble over , in , and about the flowers , sucking their sweetness , and squabbling FIG . 5. - Stomach Structure of Pupa . tremely fragile , and the pieces ...
... kind , and the male and female care nothing for their companions , who rush and tumble over , in , and about the flowers , sucking their sweetness , and squabbling FIG . 5. - Stomach Structure of Pupa . tremely fragile , and the pieces ...
Стр. 33
... kind is elongate , and narrow at the base , where there is an attachment to the mem- brane , and rounded at the free end ( Fig 3 ) . They are thus more or less club - shaped , and they are formed by a very delicate cell wall , a nucleus ...
... kind is elongate , and narrow at the base , where there is an attachment to the mem- brane , and rounded at the free end ( Fig 3 ) . They are thus more or less club - shaped , and they are formed by a very delicate cell wall , a nucleus ...
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Стр. 219 - Eight Years of Travel and Adventure among the Wildest and most Remarkable Tribes now existing. Containing 360 Coloured Engravings from the Author's original Paintings.
Стр. 320 - ... hands, became the key to the science of electricity. When we observe one body acting on another at a distance, before we assume that this action is direct and immediate, we generally inquire whether there is any material connection between the two bodies; and if we find strings or rods, or mechanism of any kind, capable of accounting for the observed action between the bodies, we prefer to explain the action by means of these intermediate connections, rather than to admit the notion of direct...
Стр. 295 - Those who contend that knowledge results wholly from the experiences of the individual, ignoring as they do the mental evolution which accompanies the autogenous development of the nervous system, fall into an error as great as if they were to ascribe all bodily growth and structure to exercise, forgetting the innate tendency to assume the adult form.
Стр. 321 - That gravity should be innate, inherent, and essential to matter, so that one body may act upon another at a distance, through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man who has in philosophical matters a competent faculty of thinking can ever fall iuto it. Gravity must be caused by an agent acting constantly according to certain laws; but whether this agent...
Стр. 256 - As the solid crust sinks together to follow down after the shrinking nucleus, the work expended in mutual crushing and dislocation of its parts is transformed into heat, by which, at the places where the crushing sufficiently takes place, the material of the rock so crushed and of that adjacent to it are heated even to fusion. The access of water to such points determines volcanic eruption.
Стр. 100 - SYNOPSES OF SUBJECTS taught in the Geological Class, College of Physical Science, Newcastle-on-Tyne, University of Durham. By the Same.
Стр. 342 - Litchfield, whom a dog that was in the house where I lived always attacked. It is the smell of carnage which provokes this, let the animals he has killed be what they may.
Стр. 321 - ... proceeded from hence only, that he found he was not able, from experiment and observation, to give a satisfactory account of this medium, and the manner of its operation in producing the chief phenomena of nature."* The doctrine of direct action at a distance cannot claim for its author the discoverer of universal gravitation.
Стр. 141 - I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number.
Стр. 221 - Aristotle down to Stokes and Kirchhoff, had any practical end in view, according to the ordinary definition of the word "practical." They did not propose to themselves money as an end, and knowledge as a means of obtaining it. For the most part, they nobly reversed this process, made knowledge their end, and such money as they possessed the means of obtaining it. We...