Proceedings, American Philosophical Society (vol. 91, no. 1)American Philosophical Society |
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A. V. Hill abbé Raynal Academy of Sciences activities agriculture Amer American Philosophical Society amino acids animals anopheline appeared areas arginine astronomy barberries Benjamin Franklin British Buffon cause century civilization climate colonies Committee Congress Council discovery disseminated earth effect effort epidemic established Europe European existence experience fact field French geophysics human important industry infection institutions interest international cooperation Jefferson knowledge land large number less ment methods minerals National Academy nature North America northern Mexico observations Observatory oceanography organization original papers parasitic races Paris pathogens Pauw Philadelphia physical physicist physiologic Phytopathology plant diseases political population possible present problems produced published Puccinia graminis Raynal Read October regions Royal Society Scientific Unions scientists smut species spores STAKMAN stars stem rust studies Symposium teliospores theory tion tritici tryptophane typhus UNESCO United volumes wheat
Beliebte Passagen
Seite 56 - But though North America is not yet so rich as England, it is much more thriving, and advancing with much greater rapidity to the further acquisition of riches. The most decisive mark of the prosperity of any country is the increase of the number of its inhabitants.
Seite 2 - That one society be formed of virtuosi or ingenious men, residing in the several colonies, to be called The American Philosophical Society, who are to maintain a constant correspondence.
Seite 54 - Let the philosophic observer commence a journey from the savages of the Rocky Mountains, eastwardly towards our seacoast. These he would observe in the earliest stage of association, living under no law but that of nature, subsisting and covering themselves with the flesh and skins of wild beasts. He would next find those on our frontiers, in the pastoral state, raising domestic animals to supply the defects of hunting. Then...
Seite 40 - The great increase of offspring in particular families is not always owing to greater fecundity of nature, but sometimes to examples of industry in the heads, and industrious education ; by which the children are enabled to provide better for themselves, and their marrying early is encouraged from the prospect of good subsistence.
Seite 40 - Land being thus plenty in America, and so cheap, as that a labouring man that understands husbandry, can, in a short time, save money enough to purchase a piece of new land, sufficient for a plantation, whereon he may subsist a family...
Seite 2 - The business and design of the Royal Society is — " To improve the knowledge of naturall things, and all useful Arts, Manufactures, Mechanick practises, Engynes and Inventions by Experiments — (not meddling with Divinity, Metaphysics, Moralls, Politicks, Grammar, Rhetorick, or Logick).
Seite 40 - Were the face of the earth, he says, vacant of other plants, it might be gradually sowed and overspread with one kind only, as for instance with fennel : and were it empty of other inhabitants, it might in a few ages be replenished from one nation only, as for instance with Englishmen...
Seite 55 - Whether it were not wrong to suppose land itself to be wealth ? And whether the industry of the people is not first to be considered as that which constitutes wealth, which makes even land and silver to be wealth, neither of which would have any value but as means and motives to industry ? 39. Whether in the wastes of America a man might not possess twenty miles square of land, and yet want his dinner, or a coat to his back?
Seite 2 - Be it further enacted by the authority aforesaid, that it shall and may be lawful for the said Society, by their proper officers, at all times, whether in peace or war, to correspond with learned societies, as well as individual learned men, of any nation or country; upon matters merely belonging to the business of the said...
Seite 49 - ... the ordinary duration of life in these United States, the chances of life of each epoch thereof, and the ratio of increase of their population; firmly believing that the results will be sensibly different from what is presented by the tables of other countries, by which we are from necessity in the habit of estimating the probabilities of life here.