The Encyclopaedia Britannica: A Dictionary of Arts, Sciences and General Literature, Том 24Thomas Spencer Baynes R.S. Peale, 1890 |
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15th century acid Amphioxus animal appears artery auricle Balanoglossus beautiful bishop bladder blood body capillaries capital chief chiefly church colour consists cords cowpox Craniata death developed disease district Dyck early east emperor feet fibres France French function gametophyte Greek heart horse important inches increase Irenæus Italian Italy king known Lake later Latin less London marble ment miles natural natural selection notochord organs origin painted painter palace Paris passed period poem population portion portraits present pressure probably produced province pulmonary region river Roman Rome Russia Russian sculpture smallpox species sporophyte square miles style surface tion tissue town upper Urals vaccination Valentinus valley valves Van Dyck variations various Varro veins Velazquez Venetian Venice ventricle Verona vessels veterinary violin Virgil Vlach Volga Voltaire walls whilst whole
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Страница 79 - It may metaphorically be said that Natural Selection is daily and hourly scrutinizing, throughout the world, the slightest variations; rejecting those that are bad, preserving and adding up all that are good; silently and insensibly working, whenever and wherever opportunity offers, at the improvement of each organic being in relation to its organic and inorganic conditions of life.
Страница 79 - That which we were looking for and could not find was a hypothesis respecting the origin of known organic forms which assumed the operation of no causes but such as could be proved to be actually at work. We wanted, not to pin our faith to that or any other speculation, but to get hold of clear and definite conceptions which could be brought face to face with facts, and have their validity tested. The Origin provided us with the working hypothesis we sought.
Страница 96 - ... it is absolutely necessary to conclude that the blood in the animal body is impelled in a circle, and is in a state of ceaseless motion; that this is the act or function which the heart performs by means of its pulse ; and that it is the sole and only end of the motion and contraction of the heart.
Страница 66 - ... too dangerous a man to let live, if we can honestly put him out of the way.
Страница 45 - Happily, there is nothing in the laws of Value which remains for the present or any future writer to clear up; the theory of the subject is complete...
Страница 78 - At the commencement of my observations it seemed to me probable that a careful study of domesticated animals and of cultivated plants would offer the best chance of making out this obscure problem. Nor have I been disappointed ; in this and in all other perplexing cases I have invariably found that our knowledge, imperfect though it be, of variation under domestication, afforded the best and safest clue. I may venture to express my conviction of the high value of such studies, although they have...
Страница 162 - Place. 425. 1. There shall be no local venue for the trial of any action, except where otherwise provided by Statute.
Страница 79 - If such do occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight, over others, would have the best chance of surviving and of procreating their kind? On the other hand, we may feel sure that any variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural...
Страница 79 - The truth of the principle that the greatest amount of life can be supported by great diversification of structure, is seen under many natural circumstances. In an extremely small area, especially if freely open to immigration, and where the contest between individual and individual must be very severe, we always find great diversity in its inhabitants.
Страница 17 - Thou shalt not lend upon usury to thy brother; usury of money, usury of victuals, usury of any thing that is lent upon usury : unto a stranger thou mayest lend upon usury ; but unto thy brother thou shalt not lend upon usury...