Report of the ... Meeting of the British Association for the Advancement of Science, Volume 94J. Murray, 1925 |
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Página 7
... species of animal . This weakening of the virulence of a micro- organism by passage through another kind of animal is by no means uncommon in nature . Pasteur , following on these lines , conceived the idea of weakening or attenuating ...
... species of animal . This weakening of the virulence of a micro- organism by passage through another kind of animal is by no means uncommon in nature . Pasteur , following on these lines , conceived the idea of weakening or attenuating ...
Página 17
... species of trypanosome . The question of the distribution of sleeping sickness in Uganda was then taken up . This disclosed the remarkable fact that the disease was restricted to the numerous islands in the northern part of the lake and ...
... species of trypanosome . The question of the distribution of sleeping sickness in Uganda was then taken up . This disclosed the remarkable fact that the disease was restricted to the numerous islands in the northern part of the lake and ...
Página 103
... species by ' survival of the fittest ' has again and again occurred . The essence of evolution is unbroken sequence , and when we consider the extraordinary delicacy of the adjustment of life to its physical and organic environment ...
... species by ' survival of the fittest ' has again and again occurred . The essence of evolution is unbroken sequence , and when we consider the extraordinary delicacy of the adjustment of life to its physical and organic environment ...
Página 110
... a stream running through limestone country one can find certain species of Planaria actively engaged in multiplication by this method . Child's work consisted in applying methods of physiological analysis to 110 SECTIONAL ADDRESSES .
... a stream running through limestone country one can find certain species of Planaria actively engaged in multiplication by this method . Child's work consisted in applying methods of physiological analysis to 110 SECTIONAL ADDRESSES .
Página 114
... species if the solutions are above a certain degree of concentration . If very dilute solutions are used , the opposite result is obtained . Immunity is gained more rapidly by the young than by the old . These results may be explained ...
... species if the solutions are above a certain degree of concentration . If very dilute solutions are used , the opposite result is obtained . Immunity is gained more rapidly by the young than by the old . These results may be explained ...
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Palavras e frases frequentes
A. C. Haddon agricultural animals Anthozoa Antiq areas Association atoms atoxyl August August 11 Bessel-Clifford Functions Birds Brachiopoda Brit British Canada carbon cell cent chemical chemists chemotropism coloured Committee crystal disease distribution effect England experiments factors fever Field Gastropoda geological germ-tube haustorium Hist Huronian hypha important increase industry infection interest investigation Irish Nat Journ July June labour Lancs Larvæ Lepidoptera material methods Micros molecules mudstones Nature Nesting observations obtained Ontario Oologists organic parasite Pelecypoda plant possible Pre-Cambrian present problems Proc produced Prof Professor race Report rocks schools scientific Scot Secretary Section Sept soil species specimen stress substances temperature tests tion tissues Toronto Trans trench fever tropical trypanosomes University X-ray
Passagens conhecidas
Página 176 - Consumption is the sole end and purpose of all production ; and the interest of the producer ought to be attended to, only so far as it may be necessary for promoting that of the consumer.
Página 158 - Every individual is continually exerting himself to find out the most advantageous employment for whatever capital he can command. It is his own advantage, indeed, and not that of society, which he has in view. But the study of his own advantage naturally or, rather, necessarily leads him to prefer that employment which is most advantageous to the society.
Página 163 - ... of carrying it on, until the producers have been educated up to the level of those with whom the processes are traditional. A protecting duty, continued for a reasonable time, will sometimes be the least inconvenient mode in which the nation can tax itself for the support of such an experiment.
Página 154 - The rich only select from the heap what is most precious and agreeable. They consume little more than the poor.
Página 176 - Atkinson explained that to buy in the cheapest market and sell in the dearest was to carry out the Golden Rule. I thought it was only a playful extravagance on Atkinson's part, but original. I had not read my Cobden then as I have since had occasion to do. I did not know that the identification which startled Walker out of his politeness forms the concluding paragraph of one of Cobden's great...
Página 176 - In every country it always is and must be the interest of the great body of the people to buy whatever they want of those who sell it cheapest. The proposition is so very manifest, that it seems ridiculous to take any pains to prove it ; nor could it ever have been called in question, had not the interested sophistry of merchants and manufacturers confounded the common sense of mankind. Their interest is, in this respect, directly opposite to that of the great body of the people.
Página 167 - ... natural disinclination which every man has to quit the country of his birth and connexions, and intrust himself with all his habits fixed, to a strange government and new laws, check the emigration of capital. These feelings, which I should be sorry to see weakened, induce most men of property to be satisfied with a low rate of profits in their own country, rather than seek a more advantageous employment for their wealth in foreign nations.
Página 166 - But whether it tends either to increase the general industry of the society, or to give it the most advantageous direction, is not, perhaps, altogether so evident. The general industry of the society never can exceed what the capital of the society can employ. As the number of workmen that can be kept in employment by any particular person must bear a certain proportion to his capital, so the number of those that can be continually employed by all the members of a great society must bear a certain...
Página 159 - ... adopts a line of action — it is only a little group of men chosen in a very hap-hazard way by the majority of us to perform certain services for all of us. The majority do not go about their selection very rationally, and they are almost always disappointed by the results of their own operation. Hence "the State...
Página 163 - The only case in which, on mere principles of political economy, protecting duties can be defensible, is when they are imposed temporarily (especially in a young and rising nation) in hopes of naturalizing a foreign industry, in itself perfectly suitable to the circumstances of the country.